| ... | ... |
@@ -1,5 +1,4 @@ |
| 1 |
-#ifndef GBAINLINE_H |
|
| 2 |
-#define GBAINLINE_H |
|
| 1 |
+#pragma once |
|
| 3 | 2 |
|
| 4 | 3 |
#include "../common/Port.h" |
| 5 | 4 |
#include "Sound.h" |
| ... | ... |
@@ -8,8 +7,9 @@ extern const uint32_t objTilesAddress[3]; |
| 8 | 7 |
|
| 9 | 8 |
extern bool stopState; |
| 10 | 9 |
extern bool holdState; |
| 11 |
-extern int holdType; |
|
| 12 | 10 |
extern int cpuNextEvent; |
| 11 |
+extern bool cpuDmaHack; |
|
| 12 |
+extern uint32_t cpuDmaLast; |
|
| 13 | 13 |
extern bool timer0On; |
| 14 | 14 |
extern int timer0Ticks; |
| 15 | 15 |
extern int timer0ClockReload; |
| ... | ... |
@@ -24,6 +24,8 @@ extern int timer3Ticks; |
| 24 | 24 |
extern int timer3ClockReload; |
| 25 | 25 |
extern int cpuTotalTicks; |
| 26 | 26 |
|
| 27 |
+inline uint8_t CPUReadByteQuick(uint32_t addr) { return map[addr >> 24].address[addr & map[addr >> 24].mask]; }
|
|
| 28 |
+ |
|
| 27 | 29 |
inline uint16_t CPUReadHalfWordQuick(uint32_t addr) { return READ16LE(&map[addr >> 24].address[addr & map[addr >> 24].mask]); }
|
| 28 | 30 |
|
| 29 | 31 |
inline uint32_t CPUReadMemoryQuick(uint32_t addr) { return READ32LE(&map[addr >> 24].address[addr & map[addr >> 24].mask]); }
|
| ... | ... |
@@ -42,7 +44,7 @@ inline uint32_t CPUReadMemory(uint32_t address) |
| 42 | 44 |
if (reg[15].I >> 24) |
| 43 | 45 |
{
|
| 44 | 46 |
if (address < 0x4000) |
| 45 |
- value = READ32LE(&biosProtected); |
|
| 47 |
+ value = READ32LE(&biosProtected[0]); |
|
| 46 | 48 |
else |
| 47 | 49 |
goto unreadable; |
| 48 | 50 |
} |
| ... | ... |
@@ -92,45 +94,32 @@ inline uint32_t CPUReadMemory(uint32_t address) |
| 92 | 94 |
break; |
| 93 | 95 |
case 13: |
| 94 | 96 |
case 14: |
| 95 |
- return 0; |
|
| 97 |
+ case 15: |
|
| 98 |
+ value = 0; |
|
| 99 |
+ break; |
|
| 96 | 100 |
// default |
| 97 | 101 |
default: |
| 98 | 102 |
unreadable: |
| 99 |
- if (armState) |
|
| 100 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 103 |
+ if (cpuDmaHack) |
|
| 104 |
+ value = cpuDmaLast; |
|
| 101 | 105 |
else |
| 102 |
- return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 106 |
+ {
|
|
| 107 |
+ if (armState) |
|
| 108 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 109 |
+ else |
|
| 110 |
+ return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 111 |
+ } |
|
| 103 | 112 |
} |
| 104 | 113 |
|
| 105 | 114 |
if (oldAddress & 3) |
| 106 | 115 |
{
|
| 107 |
-#ifdef C_CORE |
|
| 108 | 116 |
int shift = (oldAddress & 3) << 3; |
| 109 | 117 |
value = (value >> shift) | (value << (32 - shift)); |
| 110 |
-#else |
|
| 111 |
-# ifdef __GNUC__ |
|
| 112 |
- asm("and $3, %%ecx;"
|
|
| 113 |
- "shl $3 ,%%ecx;" |
|
| 114 |
- "ror %%cl, %0" |
|
| 115 |
- : "=r" (value) |
|
| 116 |
- : "r" (value), "c" (oldAddress)); |
|
| 117 |
-# else |
|
| 118 |
- __asm |
|
| 119 |
- {
|
|
| 120 |
- mov ecx, oldAddress; |
|
| 121 |
- and ecx, 3; |
|
| 122 |
- shl ecx, 3; |
|
| 123 |
- ror [dword ptr value], cl; |
|
| 124 |
- } |
|
| 125 |
-# endif |
|
| 126 |
-#endif |
|
| 127 | 118 |
} |
| 128 | 119 |
|
| 129 | 120 |
return value; |
| 130 | 121 |
} |
| 131 | 122 |
|
| 132 |
-extern uint32_t myROM[]; |
|
| 133 |
- |
|
| 134 | 123 |
inline uint32_t CPUReadHalfWord(uint32_t address) |
| 135 | 124 |
{
|
| 136 | 125 |
uint32_t value; |
| ... | ... |
@@ -174,6 +163,8 @@ inline uint32_t CPUReadHalfWord(uint32_t address) |
| 174 | 163 |
value = 0xFFFF - ((timer3Ticks - cpuTotalTicks) >> timer3ClockReload); |
| 175 | 164 |
} |
| 176 | 165 |
} |
| 166 |
+ else if (address < 0x4000400 && ioReadable[address & 0x3fc]) |
|
| 167 |
+ value = 0; |
|
| 177 | 168 |
else |
| 178 | 169 |
goto unreadable; |
| 179 | 170 |
break; |
| ... | ... |
@@ -204,12 +195,24 @@ inline uint32_t CPUReadHalfWord(uint32_t address) |
| 204 | 195 |
else |
| 205 | 196 |
value = READ16LE(&rom[address & 0x1FFFFFE]); |
| 206 | 197 |
break; |
| 198 |
+ case 13: |
|
| 199 |
+ case 14: |
|
| 200 |
+ case 15: |
|
| 201 |
+ value = 0; |
|
| 202 |
+ break; |
|
| 203 |
+ // default |
|
| 207 | 204 |
default: |
| 208 | 205 |
unreadable: |
| 209 |
- if (armState) |
|
| 210 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 206 |
+ if (cpuDmaHack) |
|
| 207 |
+ value = cpuDmaLast & 0xFFFF; |
|
| 211 | 208 |
else |
| 212 |
- return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 209 |
+ {
|
|
| 210 |
+ if (armState) |
|
| 211 |
+ value = CPUReadHalfWordQuick(reg[15].I + (address & 2)); |
|
| 212 |
+ else |
|
| 213 |
+ value = CPUReadHalfWordQuick(reg[15].I); |
|
| 214 |
+ } |
|
| 215 |
+ return value; |
|
| 213 | 216 |
} |
| 214 | 217 |
|
| 215 | 218 |
if (oldAddress & 1) |
| ... | ... |
@@ -220,13 +223,7 @@ inline uint32_t CPUReadHalfWord(uint32_t address) |
| 220 | 223 |
|
| 221 | 224 |
inline int16_t CPUReadHalfWordSigned(uint32_t address) |
| 222 | 225 |
{
|
| 223 |
- uint32_t oldAddress = address; |
|
| 224 |
- if (address & 1) |
|
| 225 |
- address &= ~0x01; |
|
| 226 |
- int16_t value = static_cast<int16_t>(CPUReadHalfWord(address)); |
|
| 227 |
- if (oldAddress & 1) |
|
| 228 |
- value = static_cast<int8_t>(value); |
|
| 229 |
- return value; |
|
| 226 |
+ return static_cast<int16_t>(CPUReadHalfWord(address)); |
|
| 230 | 227 |
} |
| 231 | 228 |
|
| 232 | 229 |
inline uint8_t CPUReadByte(uint32_t address) |
| ... | ... |
@@ -239,7 +236,7 @@ inline uint8_t CPUReadByte(uint32_t address) |
| 239 | 236 |
if (address < 0x4000) |
| 240 | 237 |
return biosProtected[address & 3]; |
| 241 | 238 |
else |
| 242 |
- goto unreadable; |
|
| 239 |
+ break; |
|
| 243 | 240 |
} |
| 244 | 241 |
return bios[address & 0x3FFF]; |
| 245 | 242 |
case 2: |
| ... | ... |
@@ -250,7 +247,7 @@ inline uint8_t CPUReadByte(uint32_t address) |
| 250 | 247 |
if (address < 0x4000400 && ioReadable[address & 0x3ff]) |
| 251 | 248 |
return ioMem[address & 0x3ff]; |
| 252 | 249 |
else |
| 253 |
- goto unreadable; |
|
| 250 |
+ break; |
|
| 254 | 251 |
case 5: |
| 255 | 252 |
return paletteRAM[address & 0x3ff]; |
| 256 | 253 |
case 6: |
| ... | ... |
@@ -268,12 +265,19 @@ inline uint8_t CPUReadByte(uint32_t address) |
| 268 | 265 |
case 11: |
| 269 | 266 |
case 12: |
| 270 | 267 |
return rom[address & 0x1FFFFFF]; |
| 271 |
- default: |
|
| 272 |
- unreadable: |
|
| 273 |
- if (armState) |
|
| 274 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 275 |
- else |
|
| 276 |
- return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 268 |
+ case 13: |
|
| 269 |
+ case 14: |
|
| 270 |
+ case 15: |
|
| 271 |
+ return 0; |
|
| 272 |
+ } |
|
| 273 |
+ if (cpuDmaHack) |
|
| 274 |
+ return cpuDmaLast & 0xFF; |
|
| 275 |
+ else |
|
| 276 |
+ {
|
|
| 277 |
+ if (armState) |
|
| 278 |
+ return CPUReadByteQuick(reg[15].I + (address & 3)); |
|
| 279 |
+ else |
|
| 280 |
+ return CPUReadByteQuick(reg[15].I + (address & 1)); |
|
| 277 | 281 |
} |
| 278 | 282 |
} |
| 279 | 283 |
|
| ... | ... |
@@ -305,6 +309,7 @@ inline void CPUWriteMemory(uint32_t address, uint32_t value) |
| 305 | 309 |
return; |
| 306 | 310 |
if ((address & 0x18000) == 0x18000) |
| 307 | 311 |
address &= 0x17fff; |
| 312 |
+ |
|
| 308 | 313 |
WRITE32LE(&vram[address], value); |
| 309 | 314 |
break; |
| 310 | 315 |
case 0x07: |
| ... | ... |
@@ -405,7 +410,6 @@ inline void CPUWriteByte(uint32_t address, uint8_t b) |
| 405 | 410 |
if (b == 0x80) |
| 406 | 411 |
stopState = true; |
| 407 | 412 |
holdState = true; |
| 408 |
- holdType = -1; |
|
| 409 | 413 |
cpuNextEvent = cpuTotalTicks; |
| 410 | 414 |
break; |
| 411 | 415 |
default: // every other register |
| ... | ... |
@@ -415,7 +419,6 @@ inline void CPUWriteByte(uint32_t address, uint8_t b) |
| 415 | 419 |
else |
| 416 | 420 |
CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0xFF00) | b); |
| 417 | 421 |
} |
| 418 |
- break; |
|
| 419 | 422 |
} |
| 420 | 423 |
break; |
| 421 | 424 |
case 5: |
| ... | ... |
@@ -441,5 +444,3 @@ inline void CPUWriteByte(uint32_t address, uint8_t b) |
| 441 | 444 |
break; |
| 442 | 445 |
} |
| 443 | 446 |
} |
| 444 |
- |
|
| 445 |
-#endif // GBAINLINE_H |
| ... | ... |
@@ -98,8 +98,8 @@ inline uint32_t CPUReadMemory(uint32_t address) |
| 98 | 98 |
unreadable: |
| 99 | 99 |
if (armState) |
| 100 | 100 |
return CPUReadMemoryQuick(reg[15].I); |
| 101 |
- else |
|
| 102 |
- return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 101 |
+ else |
|
| 102 |
+ return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 103 | 103 |
} |
| 104 | 104 |
|
| 105 | 105 |
if (oldAddress & 3) |
| ... | ... |
@@ -108,13 +108,13 @@ inline uint32_t CPUReadMemory(uint32_t address) |
| 108 | 108 |
int shift = (oldAddress & 3) << 3; |
| 109 | 109 |
value = (value >> shift) | (value << (32 - shift)); |
| 110 | 110 |
#else |
| 111 |
-#ifdef __GNUC__ |
|
| 111 |
+# ifdef __GNUC__ |
|
| 112 | 112 |
asm("and $3, %%ecx;"
|
| 113 | 113 |
"shl $3 ,%%ecx;" |
| 114 | 114 |
"ror %%cl, %0" |
| 115 | 115 |
: "=r" (value) |
| 116 | 116 |
: "r" (value), "c" (oldAddress)); |
| 117 |
-#else |
|
| 117 |
+# else |
|
| 118 | 118 |
__asm |
| 119 | 119 |
{
|
| 120 | 120 |
mov ecx, oldAddress; |
| ... | ... |
@@ -122,7 +122,7 @@ inline uint32_t CPUReadMemory(uint32_t address) |
| 122 | 122 |
shl ecx, 3; |
| 123 | 123 |
ror [dword ptr value], cl; |
| 124 | 124 |
} |
| 125 |
-#endif |
|
| 125 |
+# endif |
|
| 126 | 126 |
#endif |
| 127 | 127 |
} |
| 128 | 128 |
|
| ... | ... |
@@ -204,16 +204,12 @@ inline uint32_t CPUReadHalfWord(uint32_t address) |
| 204 | 204 |
else |
| 205 | 205 |
value = READ16LE(&rom[address & 0x1FFFFFE]); |
| 206 | 206 |
break; |
| 207 |
- case 13: |
|
| 208 |
- case 14: |
|
| 209 |
- return 0; |
|
| 210 |
- // default |
|
| 211 | 207 |
default: |
| 212 | 208 |
unreadable: |
| 213 | 209 |
if (armState) |
| 214 | 210 |
return CPUReadMemoryQuick(reg[15].I); |
| 215 | 211 |
else |
| 216 |
- return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 212 |
+ return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 217 | 213 |
} |
| 218 | 214 |
|
| 219 | 215 |
if (oldAddress & 1) |
| ... | ... |
@@ -272,16 +268,12 @@ inline uint8_t CPUReadByte(uint32_t address) |
| 272 | 268 |
case 11: |
| 273 | 269 |
case 12: |
| 274 | 270 |
return rom[address & 0x1FFFFFF]; |
| 275 |
- case 13: |
|
| 276 |
- case 14: |
|
| 277 |
- return 0; |
|
| 278 |
- // default |
|
| 279 | 271 |
default: |
| 280 | 272 |
unreadable: |
| 281 | 273 |
if (armState) |
| 282 | 274 |
return CPUReadMemoryQuick(reg[15].I); |
| 283 | 275 |
else |
| 284 |
- return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 276 |
+ return CPUReadHalfWordQuick(reg[15].I) | (CPUReadHalfWordQuick(reg[15].I) << 16); |
|
| 285 | 277 |
} |
| 286 | 278 |
} |
| 287 | 279 |
|
(As an aside, blargg's code style makes me go blarg myself.)
| ... | ... |
@@ -1,13 +1,8 @@ |
| 1 | 1 |
#ifndef GBAINLINE_H |
| 2 | 2 |
#define GBAINLINE_H |
| 3 | 3 |
|
| 4 |
-//#include "../System.h" |
|
| 5 | 4 |
#include "../common/Port.h" |
| 6 |
-//#include "RTC.h" |
|
| 7 | 5 |
#include "Sound.h" |
| 8 |
-//#include "agbprint.h" |
|
| 9 |
-#include "GBAcpu.h" |
|
| 10 |
-//#include "GBALink.h" |
|
| 11 | 6 |
|
| 12 | 7 |
extern const uint32_t objTilesAddress[3]; |
| 13 | 8 |
|
| ... | ... |
@@ -15,11 +10,6 @@ extern bool stopState; |
| 15 | 10 |
extern bool holdState; |
| 16 | 11 |
extern int holdType; |
| 17 | 12 |
extern int cpuNextEvent; |
| 18 |
-extern bool cpuSramEnabled; |
|
| 19 |
-extern bool cpuFlashEnabled; |
|
| 20 |
-extern bool cpuEEPROMEnabled; |
|
| 21 |
-extern bool cpuEEPROMSensorEnabled; |
|
| 22 |
-extern uint32_t cpuDmaLast; |
|
| 23 | 13 |
extern bool timer0On; |
| 24 | 14 |
extern int timer0Ticks; |
| 25 | 15 |
extern int timer0ClockReload; |
| ... | ... |
@@ -34,702 +24,430 @@ extern int timer3Ticks; |
| 34 | 24 |
extern int timer3ClockReload; |
| 35 | 25 |
extern int cpuTotalTicks; |
| 36 | 26 |
|
| 37 |
-#define CPUReadByteQuick(addr) \ |
|
| 38 |
- map[(addr)>>24].address[(addr) & map[(addr)>>24].mask] |
|
| 27 |
+inline uint16_t CPUReadHalfWordQuick(uint32_t addr) { return READ16LE(&map[addr >> 24].address[addr & map[addr >> 24].mask]); }
|
|
| 39 | 28 |
|
| 40 |
-#define CPUReadHalfWordQuick(addr) \ |
|
| 41 |
- READ16LE(((uint16_t*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 29 |
+inline uint32_t CPUReadMemoryQuick(uint32_t addr) { return READ32LE(&map[addr >> 24].address[addr & map[addr >> 24].mask]); }
|
|
| 42 | 30 |
|
| 43 |
-#define CPUReadMemoryQuick(addr) \ |
|
| 44 |
- READ32LE(((uint32_t*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 45 |
- |
|
| 46 |
-static inline uint32_t CPUReadMemory(uint32_t address) |
|
| 31 |
+inline uint32_t CPUReadMemory(uint32_t address) |
|
| 47 | 32 |
{
|
| 48 |
- uint32_t value; |
|
| 49 |
- uint32_t oldAddress = address; |
|
| 50 |
- |
|
| 51 |
- if(address & 3) {
|
|
| 52 |
- address &= ~0x03; |
|
| 53 |
- } |
|
| 54 |
- |
|
| 55 |
- switch(address >> 24) {
|
|
| 56 |
- case 0: |
|
| 57 |
- if(reg[15].I >> 24) {
|
|
| 58 |
- if(address < 0x4000) {
|
|
| 59 |
-#ifdef GBA_LOGGING |
|
| 60 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 61 |
- log("Illegal word read from bios: %08x at %08x\n", address, armMode ?
|
|
| 62 |
- armNextPC - 4 : armNextPC - 2); |
|
| 63 |
- } |
|
| 64 |
-#endif |
|
| 65 |
- |
|
| 66 |
- value = READ32LE(((uint32_t *)&biosProtected)); |
|
| 67 |
- } |
|
| 68 |
- else goto unreadable; |
|
| 69 |
- } else |
|
| 70 |
- value = READ32LE(((uint32_t *)&bios[address & 0x3FFC])); |
|
| 71 |
- break; |
|
| 72 |
- case 2: |
|
| 73 |
- value = READ32LE(((uint32_t *)&workRAM[address & 0x3FFFC])); |
|
| 74 |
- break; |
|
| 75 |
- case 3: |
|
| 76 |
- value = READ32LE(((uint32_t *)&internalRAM[address & 0x7ffC])); |
|
| 77 |
- break; |
|
| 78 |
- case 4: |
|
| 79 |
- if((address < 0x4000400) && ioReadable[address & 0x3fc]) {
|
|
| 80 |
- if(ioReadable[(address & 0x3fc) + 2]) {
|
|
| 81 |
- value = READ32LE(((uint32_t *)&ioMem[address & 0x3fC])); |
|
| 82 |
- /*if ((address & 0x3fc) == COMM_JOY_RECV_L) |
|
| 83 |
- UPDATE_REG(COMM_JOYSTAT, READ16LE(&ioMem[COMM_JOYSTAT]) & ~JOYSTAT_RECV);*/ |
|
| 84 |
- } else {
|
|
| 85 |
- value = READ16LE(((uint16_t *)&ioMem[address & 0x3fc])); |
|
| 86 |
- } |
|
| 87 |
- } |
|
| 88 |
- else |
|
| 89 |
- goto unreadable; |
|
| 90 |
- break; |
|
| 91 |
- case 5: |
|
| 92 |
- value = READ32LE(((uint32_t *)&paletteRAM[address & 0x3fC])); |
|
| 93 |
- break; |
|
| 94 |
- case 6: |
|
| 95 |
- address = (address & 0x1fffc); |
|
| 96 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 97 |
- {
|
|
| 98 |
- value = 0; |
|
| 99 |
- break; |
|
| 100 |
- } |
|
| 101 |
- if ((address & 0x18000) == 0x18000) |
|
| 102 |
- address &= 0x17fff; |
|
| 103 |
- value = READ32LE(((uint32_t *)&vram[address])); |
|
| 104 |
- break; |
|
| 105 |
- case 7: |
|
| 106 |
- value = READ32LE(((uint32_t *)&oam[address & 0x3FC])); |
|
| 107 |
- break; |
|
| 108 |
- case 8: |
|
| 109 |
- case 9: |
|
| 110 |
- case 10: |
|
| 111 |
- case 11: |
|
| 112 |
- case 12: |
|
| 113 |
- value = READ32LE(((uint32_t *)&rom[address&0x1FFFFFC])); |
|
| 114 |
- break; |
|
| 115 |
- case 13: |
|
| 116 |
- if(cpuEEPROMEnabled) |
|
| 117 |
- // no need to swap this |
|
| 118 |
- return /*eepromRead(address)*/0; |
|
| 119 |
- goto unreadable; |
|
| 120 |
- case 14: |
|
| 121 |
- if(cpuFlashEnabled | cpuSramEnabled) |
|
| 122 |
- // no need to swap this |
|
| 123 |
- return /*flashRead(address)*/0; |
|
| 124 |
- // default |
|
| 125 |
- default: |
|
| 126 |
-unreadable: |
|
| 127 |
-#ifdef GBA_LOGGING |
|
| 128 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 129 |
- log("Illegal word read: %08x at %08x\n", address, armMode ?
|
|
| 130 |
- armNextPC - 4 : armNextPC - 2); |
|
| 131 |
- } |
|
| 132 |
-#endif |
|
| 133 |
- |
|
| 134 |
- if(armState) {
|
|
| 135 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 136 |
- } else {
|
|
| 137 |
- return CPUReadHalfWordQuick(reg[15].I) | |
|
| 138 |
- CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 139 |
- } |
|
| 140 |
- } |
|
| 141 |
- |
|
| 142 |
- if(oldAddress & 3) {
|
|
| 33 |
+ uint32_t value; |
|
| 34 |
+ uint32_t oldAddress = address; |
|
| 35 |
+ |
|
| 36 |
+ if (address & 3) |
|
| 37 |
+ address &= ~0x03; |
|
| 38 |
+ |
|
| 39 |
+ switch (address >> 24) |
|
| 40 |
+ {
|
|
| 41 |
+ case 0: |
|
| 42 |
+ if (reg[15].I >> 24) |
|
| 43 |
+ {
|
|
| 44 |
+ if (address < 0x4000) |
|
| 45 |
+ value = READ32LE(&biosProtected); |
|
| 46 |
+ else |
|
| 47 |
+ goto unreadable; |
|
| 48 |
+ } |
|
| 49 |
+ else |
|
| 50 |
+ value = READ32LE(&bios[address & 0x3FFC]); |
|
| 51 |
+ break; |
|
| 52 |
+ case 2: |
|
| 53 |
+ value = READ32LE(&workRAM[address & 0x3FFFC]); |
|
| 54 |
+ break; |
|
| 55 |
+ case 3: |
|
| 56 |
+ value = READ32LE(&internalRAM[address & 0x7ffC]); |
|
| 57 |
+ break; |
|
| 58 |
+ case 4: |
|
| 59 |
+ if (address < 0x4000400 && ioReadable[address & 0x3fc]) |
|
| 60 |
+ {
|
|
| 61 |
+ if (ioReadable[(address & 0x3fc) + 2]) |
|
| 62 |
+ value = READ32LE(&ioMem[address & 0x3fC]); |
|
| 63 |
+ else |
|
| 64 |
+ value = READ16LE(&ioMem[address & 0x3fc]); |
|
| 65 |
+ } |
|
| 66 |
+ else |
|
| 67 |
+ goto unreadable; |
|
| 68 |
+ break; |
|
| 69 |
+ case 5: |
|
| 70 |
+ value = READ32LE(&paletteRAM[address & 0x3fC]); |
|
| 71 |
+ break; |
|
| 72 |
+ case 6: |
|
| 73 |
+ address &= 0x1fffc; |
|
| 74 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 75 |
+ {
|
|
| 76 |
+ value = 0; |
|
| 77 |
+ break; |
|
| 78 |
+ } |
|
| 79 |
+ if ((address & 0x18000) == 0x18000) |
|
| 80 |
+ address &= 0x17fff; |
|
| 81 |
+ value = READ32LE(&vram[address]); |
|
| 82 |
+ break; |
|
| 83 |
+ case 7: |
|
| 84 |
+ value = READ32LE(&oam[address & 0x3FC]); |
|
| 85 |
+ break; |
|
| 86 |
+ case 8: |
|
| 87 |
+ case 9: |
|
| 88 |
+ case 10: |
|
| 89 |
+ case 11: |
|
| 90 |
+ case 12: |
|
| 91 |
+ value = READ32LE(&rom[address & 0x1FFFFFC]); |
|
| 92 |
+ break; |
|
| 93 |
+ case 13: |
|
| 94 |
+ case 14: |
|
| 95 |
+ return 0; |
|
| 96 |
+ // default |
|
| 97 |
+ default: |
|
| 98 |
+ unreadable: |
|
| 99 |
+ if (armState) |
|
| 100 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 101 |
+ else |
|
| 102 |
+ return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 103 |
+ } |
|
| 104 |
+ |
|
| 105 |
+ if (oldAddress & 3) |
|
| 106 |
+ {
|
|
| 143 | 107 |
#ifdef C_CORE |
| 144 |
- int shift = (oldAddress & 3) << 3; |
|
| 145 |
- value = (value >> shift) | (value << (32 - shift)); |
|
| 108 |
+ int shift = (oldAddress & 3) << 3; |
|
| 109 |
+ value = (value >> shift) | (value << (32 - shift)); |
|
| 146 | 110 |
#else |
| 147 | 111 |
#ifdef __GNUC__ |
| 148 |
- asm("and $3, %%ecx;"
|
|
| 149 |
- "shl $3 ,%%ecx;" |
|
| 150 |
- "ror %%cl, %0" |
|
| 151 |
- : "=r" (value) |
|
| 152 |
- : "r" (value), "c" (oldAddress)); |
|
| 112 |
+ asm("and $3, %%ecx;"
|
|
| 113 |
+ "shl $3 ,%%ecx;" |
|
| 114 |
+ "ror %%cl, %0" |
|
| 115 |
+ : "=r" (value) |
|
| 116 |
+ : "r" (value), "c" (oldAddress)); |
|
| 153 | 117 |
#else |
| 154 |
- __asm {
|
|
| 155 |
- mov ecx, oldAddress; |
|
| 156 |
- and ecx, 3; |
|
| 157 |
- shl ecx, 3; |
|
| 158 |
- ror [dword ptr value], cl; |
|
| 159 |
- } |
|
| 118 |
+ __asm |
|
| 119 |
+ {
|
|
| 120 |
+ mov ecx, oldAddress; |
|
| 121 |
+ and ecx, 3; |
|
| 122 |
+ shl ecx, 3; |
|
| 123 |
+ ror [dword ptr value], cl; |
|
| 124 |
+ } |
|
| 160 | 125 |
#endif |
| 161 | 126 |
#endif |
| 162 |
- } |
|
| 127 |
+ } |
|
| 163 | 128 |
|
| 164 |
-#ifdef GBA_LOGGING |
|
| 165 |
- if(oldAddress & 3) {
|
|
| 166 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 167 |
- log("Unaligned word read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 168 |
- armNextPC - 4 : armNextPC - 2, value); |
|
| 169 |
- } |
|
| 170 |
- } |
|
| 171 |
-#endif |
|
| 172 |
- return value; |
|
| 129 |
+ return value; |
|
| 173 | 130 |
} |
| 174 | 131 |
|
| 175 | 132 |
extern uint32_t myROM[]; |
| 176 | 133 |
|
| 177 |
-static inline uint32_t CPUReadHalfWord(uint32_t address) |
|
| 134 |
+inline uint32_t CPUReadHalfWord(uint32_t address) |
|
| 178 | 135 |
{
|
| 179 |
- uint32_t value; |
|
| 180 |
- uint32_t oldAddress = address; |
|
| 181 |
- |
|
| 182 |
- if(address & 1) {
|
|
| 183 |
- address &= ~0x01; |
|
| 184 |
- } |
|
| 185 |
- |
|
| 186 |
- switch(address >> 24) {
|
|
| 187 |
- case 0: |
|
| 188 |
- if (reg[15].I >> 24) {
|
|
| 189 |
- if(address < 0x4000) {
|
|
| 190 |
-#ifdef GBA_LOGGING |
|
| 191 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 192 |
- log("Illegal halfword read from bios: %08x at %08x\n", oldAddress, armMode ?
|
|
| 193 |
- armNextPC - 4 : armNextPC - 2); |
|
| 194 |
- } |
|
| 195 |
-#endif |
|
| 196 |
- value = READ16LE(((uint16_t *)&biosProtected[address&2])); |
|
| 197 |
- } else goto unreadable; |
|
| 198 |
- } else |
|
| 199 |
- value = READ16LE(((uint16_t *)&bios[address & 0x3FFE])); |
|
| 200 |
- break; |
|
| 201 |
- case 2: |
|
| 202 |
- value = READ16LE(((uint16_t *)&workRAM[address & 0x3FFFE])); |
|
| 203 |
- break; |
|
| 204 |
- case 3: |
|
| 205 |
- value = READ16LE(((uint16_t *)&internalRAM[address & 0x7ffe])); |
|
| 206 |
- break; |
|
| 207 |
- case 4: |
|
| 208 |
- if((address < 0x4000400) && ioReadable[address & 0x3fe]) |
|
| 209 |
- {
|
|
| 210 |
- value = READ16LE(((uint16_t *)&ioMem[address & 0x3fe])); |
|
| 211 |
- if (((address & 0x3fe)>0xFF) && ((address & 0x3fe)<0x10E)) |
|
| 212 |
- {
|
|
| 213 |
- if (((address & 0x3fe) == 0x100) && timer0On) |
|
| 214 |
- value = 0xFFFF - ((timer0Ticks-cpuTotalTicks) >> timer0ClockReload); |
|
| 215 |
- else |
|
| 216 |
- if (((address & 0x3fe) == 0x104) && timer1On && !(TM1CNT & 4)) |
|
| 217 |
- value = 0xFFFF - ((timer1Ticks-cpuTotalTicks) >> timer1ClockReload); |
|
| 218 |
- else |
|
| 219 |
- if (((address & 0x3fe) == 0x108) && timer2On && !(TM2CNT & 4)) |
|
| 220 |
- value = 0xFFFF - ((timer2Ticks-cpuTotalTicks) >> timer2ClockReload); |
|
| 221 |
- else |
|
| 222 |
- if (((address & 0x3fe) == 0x10C) && timer3On && !(TM3CNT & 4)) |
|
| 223 |
- value = 0xFFFF - ((timer3Ticks-cpuTotalTicks) >> timer3ClockReload); |
|
| 224 |
- } |
|
| 225 |
- } |
|
| 226 |
- else goto unreadable; |
|
| 227 |
- break; |
|
| 228 |
- case 5: |
|
| 229 |
- value = READ16LE(((uint16_t *)&paletteRAM[address & 0x3fe])); |
|
| 230 |
- break; |
|
| 231 |
- case 6: |
|
| 232 |
- address = (address & 0x1fffe); |
|
| 233 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 234 |
- {
|
|
| 235 |
- value = 0; |
|
| 236 |
- break; |
|
| 237 |
- } |
|
| 238 |
- if ((address & 0x18000) == 0x18000) |
|
| 239 |
- address &= 0x17fff; |
|
| 240 |
- value = READ16LE(((uint16_t *)&vram[address])); |
|
| 241 |
- break; |
|
| 242 |
- case 7: |
|
| 243 |
- value = READ16LE(((uint16_t *)&oam[address & 0x3fe])); |
|
| 244 |
- break; |
|
| 245 |
- case 8: |
|
| 246 |
- case 9: |
|
| 247 |
- case 10: |
|
| 248 |
- case 11: |
|
| 249 |
- case 12: |
|
| 250 |
- if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) |
|
| 251 |
- value = /*rtcRead(address)*/0; |
|
| 252 |
- else |
|
| 253 |
- value = READ16LE(((uint16_t *)&rom[address & 0x1FFFFFE])); |
|
| 254 |
- break; |
|
| 255 |
- case 13: |
|
| 256 |
- if(cpuEEPROMEnabled) |
|
| 257 |
- // no need to swap this |
|
| 258 |
- return /*eepromRead(address)*/0; |
|
| 259 |
- goto unreadable; |
|
| 260 |
- case 14: |
|
| 261 |
- if(cpuFlashEnabled | cpuSramEnabled) |
|
| 262 |
- // no need to swap this |
|
| 263 |
- return /*flashRead(address)*/0; |
|
| 264 |
- // default |
|
| 265 |
- default: |
|
| 266 |
-unreadable: |
|
| 267 |
-#ifdef GBA_LOGGING |
|
| 268 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 269 |
- log("Illegal halfword read: %08x at %08x\n", oldAddress, armMode ?
|
|
| 270 |
- armNextPC - 4 : armNextPC - 2); |
|
| 271 |
- } |
|
| 272 |
-#endif |
|
| 273 |
- if(armState) {
|
|
| 274 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 275 |
- } else {
|
|
| 276 |
- return CPUReadHalfWordQuick(reg[15].I) | |
|
| 277 |
- CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 278 |
- } |
|
| 279 |
- } |
|
| 280 |
- |
|
| 281 |
- if(oldAddress & 1) {
|
|
| 282 |
- value = (value >> 8) | (value << 24); |
|
| 283 |
-#ifdef GBA_LOGGING |
|
| 284 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 285 |
- log("Unaligned halfword read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 286 |
- armNextPC - 4 : armNextPC - 2, value); |
|
| 287 |
- } |
|
| 288 |
-#endif |
|
| 289 |
- } |
|
| 290 |
- |
|
| 291 |
- return value; |
|
| 136 |
+ uint32_t value; |
|
| 137 |
+ uint32_t oldAddress = address; |
|
| 138 |
+ |
|
| 139 |
+ if (address & 1) |
|
| 140 |
+ address &= ~0x01; |
|
| 141 |
+ |
|
| 142 |
+ switch (address >> 24) |
|
| 143 |
+ {
|
|
| 144 |
+ case 0: |
|
| 145 |
+ if (reg[15].I >> 24) |
|
| 146 |
+ {
|
|
| 147 |
+ if (address < 0x4000) |
|
| 148 |
+ value = READ16LE(&biosProtected[address & 2]); |
|
| 149 |
+ else |
|
| 150 |
+ goto unreadable; |
|
| 151 |
+ } |
|
| 152 |
+ else |
|
| 153 |
+ value = READ16LE(&bios[address & 0x3FFE]); |
|
| 154 |
+ break; |
|
| 155 |
+ case 2: |
|
| 156 |
+ value = READ16LE(&workRAM[address & 0x3FFFE]); |
|
| 157 |
+ break; |
|
| 158 |
+ case 3: |
|
| 159 |
+ value = READ16LE(&internalRAM[address & 0x7ffe]); |
|
| 160 |
+ break; |
|
| 161 |
+ case 4: |
|
| 162 |
+ if (address < 0x4000400 && ioReadable[address & 0x3fe]) |
|
| 163 |
+ {
|
|
| 164 |
+ value = READ16LE(&ioMem[address & 0x3fe]); |
|
| 165 |
+ if ((address & 0x3fe) > 0xFF && (address & 0x3fe) < 0x10E) |
|
| 166 |
+ {
|
|
| 167 |
+ if ((address & 0x3fe) == 0x100 && timer0On) |
|
| 168 |
+ value = 0xFFFF - ((timer0Ticks - cpuTotalTicks) >> timer0ClockReload); |
|
| 169 |
+ else if ((address & 0x3fe) == 0x104 && timer1On && !(TM1CNT & 4)) |
|
| 170 |
+ value = 0xFFFF - ((timer1Ticks - cpuTotalTicks) >> timer1ClockReload); |
|
| 171 |
+ else if ((address & 0x3fe) == 0x108 && timer2On && !(TM2CNT & 4)) |
|
| 172 |
+ value = 0xFFFF - ((timer2Ticks - cpuTotalTicks) >> timer2ClockReload); |
|
| 173 |
+ else if ((address & 0x3fe) == 0x10C && timer3On && !(TM3CNT & 4)) |
|
| 174 |
+ value = 0xFFFF - ((timer3Ticks - cpuTotalTicks) >> timer3ClockReload); |
|
| 175 |
+ } |
|
| 176 |
+ } |
|
| 177 |
+ else |
|
| 178 |
+ goto unreadable; |
|
| 179 |
+ break; |
|
| 180 |
+ case 5: |
|
| 181 |
+ value = READ16LE(&paletteRAM[address & 0x3fe]); |
|
| 182 |
+ break; |
|
| 183 |
+ case 6: |
|
| 184 |
+ address &= 0x1fffe; |
|
| 185 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 186 |
+ {
|
|
| 187 |
+ value = 0; |
|
| 188 |
+ break; |
|
| 189 |
+ } |
|
| 190 |
+ if ((address & 0x18000) == 0x18000) |
|
| 191 |
+ address &= 0x17fff; |
|
| 192 |
+ value = READ16LE(&vram[address]); |
|
| 193 |
+ break; |
|
| 194 |
+ case 7: |
|
| 195 |
+ value = READ16LE(&oam[address & 0x3fe]); |
|
| 196 |
+ break; |
|
| 197 |
+ case 8: |
|
| 198 |
+ case 9: |
|
| 199 |
+ case 10: |
|
| 200 |
+ case 11: |
|
| 201 |
+ case 12: |
|
| 202 |
+ if (address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) |
|
| 203 |
+ value = 0; |
|
| 204 |
+ else |
|
| 205 |
+ value = READ16LE(&rom[address & 0x1FFFFFE]); |
|
| 206 |
+ break; |
|
| 207 |
+ case 13: |
|
| 208 |
+ case 14: |
|
| 209 |
+ return 0; |
|
| 210 |
+ // default |
|
| 211 |
+ default: |
|
| 212 |
+ unreadable: |
|
| 213 |
+ if (armState) |
|
| 214 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 215 |
+ else |
|
| 216 |
+ return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 217 |
+ } |
|
| 218 |
+ |
|
| 219 |
+ if (oldAddress & 1) |
|
| 220 |
+ value = (value >> 8) | (value << 24); |
|
| 221 |
+ |
|
| 222 |
+ return value; |
|
| 292 | 223 |
} |
| 293 | 224 |
|
| 294 |
-static inline int16_t CPUReadHalfWordSigned(uint32_t address) |
|
| 225 |
+inline int16_t CPUReadHalfWordSigned(uint32_t address) |
|
| 295 | 226 |
{
|
| 296 |
- uint32_t oldAddress = address; |
|
| 297 |
- if(address & 1) {
|
|
| 298 |
- address &= ~0x01; |
|
| 299 |
- } |
|
| 300 |
- int16_t value = (int16_t)CPUReadHalfWord(address); |
|
| 301 |
- if((oldAddress & 1)) |
|
| 302 |
- {
|
|
| 303 |
- value = (int8_t)value; |
|
| 304 |
-#ifdef GBA_LOGGING |
|
| 305 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 306 |
- log("Unaligned signed halfword read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 307 |
- armNextPC - 4 : armNextPC - 2, value); |
|
| 308 |
- } |
|
| 309 |
-#endif |
|
| 310 |
- } |
|
| 311 |
- return value; |
|
| 227 |
+ uint32_t oldAddress = address; |
|
| 228 |
+ if (address & 1) |
|
| 229 |
+ address &= ~0x01; |
|
| 230 |
+ int16_t value = static_cast<int16_t>(CPUReadHalfWord(address)); |
|
| 231 |
+ if (oldAddress & 1) |
|
| 232 |
+ value = static_cast<int8_t>(value); |
|
| 233 |
+ return value; |
|
| 312 | 234 |
} |
| 313 | 235 |
|
| 314 |
-static inline uint8_t CPUReadByte(uint32_t address) |
|
| 236 |
+inline uint8_t CPUReadByte(uint32_t address) |
|
| 315 | 237 |
{
|
| 316 |
- switch(address >> 24) {
|
|
| 317 |
- case 0: |
|
| 318 |
- if (reg[15].I >> 24) {
|
|
| 319 |
- if(address < 0x4000) {
|
|
| 320 |
-#ifdef GBA_LOGGING |
|
| 321 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 322 |
- log("Illegal byte read from bios: %08x at %08x\n", address, armMode ?
|
|
| 323 |
- armNextPC - 4 : armNextPC - 2); |
|
| 324 |
- } |
|
| 325 |
-#endif |
|
| 326 |
- return biosProtected[address & 3]; |
|
| 327 |
- } else goto unreadable; |
|
| 328 |
- } |
|
| 329 |
- return bios[address & 0x3FFF]; |
|
| 330 |
- case 2: |
|
| 331 |
- return workRAM[address & 0x3FFFF]; |
|
| 332 |
- case 3: |
|
| 333 |
- return internalRAM[address & 0x7fff]; |
|
| 334 |
- case 4: |
|
| 335 |
- if((address < 0x4000400) && ioReadable[address & 0x3ff]) |
|
| 336 |
- return ioMem[address & 0x3ff]; |
|
| 337 |
- else goto unreadable; |
|
| 338 |
- case 5: |
|
| 339 |
- return paletteRAM[address & 0x3ff]; |
|
| 340 |
- case 6: |
|
| 341 |
- address = (address & 0x1ffff); |
|
| 342 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 343 |
- return 0; |
|
| 344 |
- if ((address & 0x18000) == 0x18000) |
|
| 345 |
- address &= 0x17fff; |
|
| 346 |
- return vram[address]; |
|
| 347 |
- case 7: |
|
| 348 |
- return oam[address & 0x3ff]; |
|
| 349 |
- case 8: |
|
| 350 |
- case 9: |
|
| 351 |
- case 10: |
|
| 352 |
- case 11: |
|
| 353 |
- case 12: |
|
| 354 |
- return rom[address & 0x1FFFFFF]; |
|
| 355 |
- case 13: |
|
| 356 |
- if(cpuEEPROMEnabled) |
|
| 357 |
- return /*eepromRead(address)*/0; |
|
| 358 |
- goto unreadable; |
|
| 359 |
- case 14: |
|
| 360 |
- if(cpuSramEnabled | cpuFlashEnabled) |
|
| 361 |
- return /*flashRead(address)*/0; |
|
| 362 |
- if(cpuEEPROMSensorEnabled) {
|
|
| 363 |
- switch(address & 0x00008f00) {
|
|
| 364 |
- case 0x8200: |
|
| 365 |
- return /*systemGetSensorX() & 255*/0; |
|
| 366 |
- case 0x8300: |
|
| 367 |
- return /*(systemGetSensorX() >> 8)|0x80*/0; |
|
| 368 |
- case 0x8400: |
|
| 369 |
- return /*systemGetSensorY() & 255*/0; |
|
| 370 |
- case 0x8500: |
|
| 371 |
- return /*systemGetSensorY() >> 8*/0; |
|
| 372 |
- } |
|
| 373 |
- } |
|
| 374 |
- // default |
|
| 375 |
- default: |
|
| 376 |
-unreadable: |
|
| 377 |
-#ifdef GBA_LOGGING |
|
| 378 |
- if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 379 |
- log("Illegal byte read: %08x at %08x\n", address, armMode ?
|
|
| 380 |
- armNextPC - 4 : armNextPC - 2); |
|
| 381 |
- } |
|
| 382 |
-#endif |
|
| 383 |
- if(armState) {
|
|
| 384 |
- return CPUReadMemoryQuick(reg[15].I); |
|
| 385 |
- } else {
|
|
| 386 |
- return CPUReadHalfWordQuick(reg[15].I) | |
|
| 387 |
- CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 388 |
- } |
|
| 389 |
- } |
|
| 238 |
+ switch (address >> 24) |
|
| 239 |
+ {
|
|
| 240 |
+ case 0: |
|
| 241 |
+ if (reg[15].I >> 24) |
|
| 242 |
+ {
|
|
| 243 |
+ if (address < 0x4000) |
|
| 244 |
+ return biosProtected[address & 3]; |
|
| 245 |
+ else |
|
| 246 |
+ goto unreadable; |
|
| 247 |
+ } |
|
| 248 |
+ return bios[address & 0x3FFF]; |
|
| 249 |
+ case 2: |
|
| 250 |
+ return workRAM[address & 0x3FFFF]; |
|
| 251 |
+ case 3: |
|
| 252 |
+ return internalRAM[address & 0x7fff]; |
|
| 253 |
+ case 4: |
|
| 254 |
+ if (address < 0x4000400 && ioReadable[address & 0x3ff]) |
|
| 255 |
+ return ioMem[address & 0x3ff]; |
|
| 256 |
+ else |
|
| 257 |
+ goto unreadable; |
|
| 258 |
+ case 5: |
|
| 259 |
+ return paletteRAM[address & 0x3ff]; |
|
| 260 |
+ case 6: |
|
| 261 |
+ address &= 0x1ffff; |
|
| 262 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 263 |
+ return 0; |
|
| 264 |
+ if ((address & 0x18000) == 0x18000) |
|
| 265 |
+ address &= 0x17fff; |
|
| 266 |
+ return vram[address]; |
|
| 267 |
+ case 7: |
|
| 268 |
+ return oam[address & 0x3ff]; |
|
| 269 |
+ case 8: |
|
| 270 |
+ case 9: |
|
| 271 |
+ case 10: |
|
| 272 |
+ case 11: |
|
| 273 |
+ case 12: |
|
| 274 |
+ return rom[address & 0x1FFFFFF]; |
|
| 275 |
+ case 13: |
|
| 276 |
+ case 14: |
|
| 277 |
+ return 0; |
|
| 278 |
+ // default |
|
| 279 |
+ default: |
|
| 280 |
+ unreadable: |
|
| 281 |
+ if (armState) |
|
| 282 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 283 |
+ else |
|
| 284 |
+ return CPUReadHalfWordQuick(reg[15].I) | CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 285 |
+ } |
|
| 390 | 286 |
} |
| 391 | 287 |
|
| 392 |
-static inline void CPUWriteMemory(uint32_t address, uint32_t value) |
|
| 288 |
+inline void CPUWriteMemory(uint32_t address, uint32_t value) |
|
| 393 | 289 |
{
|
| 394 |
- |
|
| 395 |
-#ifdef GBA_LOGGING |
|
| 396 |
- if(address & 3) {
|
|
| 397 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 398 |
- log("Unaligned word write: %08x to %08x from %08x\n",
|
|
| 399 |
- value, |
|
| 400 |
- address, |
|
| 401 |
- armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 402 |
- } |
|
| 403 |
- } |
|
| 404 |
-#endif |
|
| 405 |
- |
|
| 406 |
- address &= 0xFFFFFFFC; |
|
| 407 |
- |
|
| 408 |
- switch(address >> 24) {
|
|
| 409 |
- case 0x02: |
|
| 410 |
-#ifdef BKPT_SUPPORT |
|
| 411 |
- if(*((uint32_t *)&freezeWorkRAM[address & 0x3FFFC])) |
|
| 412 |
- cheatsWriteMemory(address & 0x203FFFC, |
|
| 413 |
- value); |
|
| 414 |
- else |
|
| 415 |
-#endif |
|
| 416 |
- WRITE32LE(((uint32_t *)&workRAM[address & 0x3FFFC]), value); |
|
| 417 |
- break; |
|
| 418 |
- case 0x03: |
|
| 419 |
-#ifdef BKPT_SUPPORT |
|
| 420 |
- if(*((uint32_t *)&freezeInternalRAM[address & 0x7ffc])) |
|
| 421 |
- cheatsWriteMemory(address & 0x3007FFC, |
|
| 422 |
- value); |
|
| 423 |
- else |
|
| 424 |
-#endif |
|
| 425 |
- WRITE32LE(((uint32_t *)&internalRAM[address & 0x7ffC]), value); |
|
| 426 |
- break; |
|
| 427 |
- case 0x04: |
|
| 428 |
- if(address < 0x4000400) {
|
|
| 429 |
- CPUUpdateRegister((address & 0x3FC), value & 0xFFFF); |
|
| 430 |
- CPUUpdateRegister((address & 0x3FC) + 2, (value >> 16)); |
|
| 431 |
- } else goto unwritable; |
|
| 432 |
- break; |
|
| 433 |
- case 0x05: |
|
| 434 |
-#ifdef BKPT_SUPPORT |
|
| 435 |
- if(*((uint32_t *)&freezePRAM[address & 0x3fc])) |
|
| 436 |
- cheatsWriteMemory(address & 0x70003FC, |
|
| 437 |
- value); |
|
| 438 |
- else |
|
| 439 |
-#endif |
|
| 440 |
- WRITE32LE(((uint32_t *)&paletteRAM[address & 0x3FC]), value); |
|
| 441 |
- break; |
|
| 442 |
- case 0x06: |
|
| 443 |
- address = (address & 0x1fffc); |
|
| 444 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 445 |
- return; |
|
| 446 |
- if ((address & 0x18000) == 0x18000) |
|
| 447 |
- address &= 0x17fff; |
|
| 448 |
- |
|
| 449 |
-#ifdef BKPT_SUPPORT |
|
| 450 |
- if(*((uint32_t *)&freezeVRAM[address])) |
|
| 451 |
- cheatsWriteMemory(address + 0x06000000, value); |
|
| 452 |
- else |
|
| 453 |
-#endif |
|
| 454 |
- |
|
| 455 |
- WRITE32LE(((uint32_t *)&vram[address]), value); |
|
| 456 |
- break; |
|
| 457 |
- case 0x07: |
|
| 458 |
-#ifdef BKPT_SUPPORT |
|
| 459 |
- if(*((uint32_t *)&freezeOAM[address & 0x3fc])) |
|
| 460 |
- cheatsWriteMemory(address & 0x70003FC, |
|
| 461 |
- value); |
|
| 462 |
- else |
|
| 463 |
-#endif |
|
| 464 |
- WRITE32LE(((uint32_t *)&oam[address & 0x3fc]), value); |
|
| 465 |
- break; |
|
| 466 |
- case 0x0D: |
|
| 467 |
- if(cpuEEPROMEnabled) {
|
|
| 468 |
- //eepromWrite(address, value); |
|
| 469 |
- break; |
|
| 470 |
- } |
|
| 471 |
- goto unwritable; |
|
| 472 |
- /*case 0x0E: |
|
| 473 |
- if(*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled) {
|
|
| 474 |
- //(*cpuSaveGameFunc)(address, (u8)value); |
|
| 475 |
- break; |
|
| 476 |
- }*/ |
|
| 477 |
- // default |
|
| 478 |
- default: |
|
| 479 |
-unwritable: |
|
| 480 |
-#ifdef GBA_LOGGING |
|
| 481 |
- if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 482 |
- log("Illegal word write: %08x to %08x from %08x\n",
|
|
| 483 |
- value, |
|
| 484 |
- address, |
|
| 485 |
- armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 486 |
- } |
|
| 487 |
-#endif |
|
| 488 |
- break; |
|
| 489 |
- } |
|
| 290 |
+ address &= 0xFFFFFFFC; |
|
| 291 |
+ |
|
| 292 |
+ switch (address >> 24) |
|
| 293 |
+ {
|
|
| 294 |
+ case 0x02: |
|
| 295 |
+ WRITE32LE(&workRAM[address & 0x3FFFC], value); |
|
| 296 |
+ break; |
|
| 297 |
+ case 0x03: |
|
| 298 |
+ WRITE32LE(&internalRAM[address & 0x7ffC], value); |
|
| 299 |
+ break; |
|
| 300 |
+ case 0x04: |
|
| 301 |
+ if (address < 0x4000400) |
|
| 302 |
+ {
|
|
| 303 |
+ CPUUpdateRegister(address & 0x3FC, value & 0xFFFF); |
|
| 304 |
+ CPUUpdateRegister((address & 0x3FC) + 2, value >> 16); |
|
| 305 |
+ } |
|
| 306 |
+ break; |
|
| 307 |
+ case 0x05: |
|
| 308 |
+ WRITE32LE(&paletteRAM[address & 0x3FC], value); |
|
| 309 |
+ break; |
|
| 310 |
+ case 0x06: |
|
| 311 |
+ address &= 0x1fffc; |
|
| 312 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 313 |
+ return; |
|
| 314 |
+ if ((address & 0x18000) == 0x18000) |
|
| 315 |
+ address &= 0x17fff; |
|
| 316 |
+ WRITE32LE(&vram[address], value); |
|
| 317 |
+ break; |
|
| 318 |
+ case 0x07: |
|
| 319 |
+ WRITE32LE(&oam[address & 0x3fc], value); |
|
| 320 |
+ } |
|
| 490 | 321 |
} |
| 491 | 322 |
|
| 492 |
-static inline void CPUWriteHalfWord(uint32_t address, uint16_t value) |
|
| 323 |
+inline void CPUWriteHalfWord(uint32_t address, uint16_t value) |
|
| 493 | 324 |
{
|
| 494 |
-#ifdef GBA_LOGGING |
|
| 495 |
- if(address & 1) {
|
|
| 496 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 497 |
- log("Unaligned halfword write: %04x to %08x from %08x\n",
|
|
| 498 |
- value, |
|
| 499 |
- address, |
|
| 500 |
- armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 501 |
- } |
|
| 502 |
- } |
|
| 503 |
-#endif |
|
| 504 |
- |
|
| 505 |
- address &= 0xFFFFFFFE; |
|
| 506 |
- |
|
| 507 |
- switch(address >> 24) {
|
|
| 508 |
- case 2: |
|
| 509 |
-#ifdef BKPT_SUPPORT |
|
| 510 |
- if(*((uint16_t *)&freezeWorkRAM[address & 0x3FFFE])) |
|
| 511 |
- cheatsWriteHalfWord(address & 0x203FFFE, |
|
| 512 |
- value); |
|
| 513 |
- else |
|
| 514 |
-#endif |
|
| 515 |
- WRITE16LE(((uint16_t *)&workRAM[address & 0x3FFFE]),value); |
|
| 516 |
- break; |
|
| 517 |
- case 3: |
|
| 518 |
-#ifdef BKPT_SUPPORT |
|
| 519 |
- if(*((uint16_t *)&freezeInternalRAM[address & 0x7ffe])) |
|
| 520 |
- cheatsWriteHalfWord(address & 0x3007ffe, |
|
| 521 |
- value); |
|
| 522 |
- else |
|
| 523 |
-#endif |
|
| 524 |
- WRITE16LE(((uint16_t *)&internalRAM[address & 0x7ffe]), value); |
|
| 525 |
- break; |
|
| 526 |
- case 4: |
|
| 527 |
- if(address < 0x4000400) |
|
| 528 |
- CPUUpdateRegister(address & 0x3fe, value); |
|
| 529 |
- else goto unwritable; |
|
| 530 |
- break; |
|
| 531 |
- case 5: |
|
| 532 |
-#ifdef BKPT_SUPPORT |
|
| 533 |
- if(*((uint16_t *)&freezePRAM[address & 0x03fe])) |
|
| 534 |
- cheatsWriteHalfWord(address & 0x70003fe, |
|
| 535 |
- value); |
|
| 536 |
- else |
|
| 537 |
-#endif |
|
| 538 |
- WRITE16LE(((uint16_t *)&paletteRAM[address & 0x3fe]), value); |
|
| 539 |
- break; |
|
| 540 |
- case 6: |
|
| 541 |
- address = (address & 0x1fffe); |
|
| 542 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 543 |
- return; |
|
| 544 |
- if ((address & 0x18000) == 0x18000) |
|
| 545 |
- address &= 0x17fff; |
|
| 546 |
-#ifdef BKPT_SUPPORT |
|
| 547 |
- if(*((uint16_t *)&freezeVRAM[address])) |
|
| 548 |
- cheatsWriteHalfWord(address + 0x06000000, |
|
| 549 |
- value); |
|
| 550 |
- else |
|
| 551 |
-#endif |
|
| 552 |
- WRITE16LE(((uint16_t *)&vram[address]), value); |
|
| 553 |
- break; |
|
| 554 |
- case 7: |
|
| 555 |
-#ifdef BKPT_SUPPORT |
|
| 556 |
- if(*((uint16_t *)&freezeOAM[address & 0x03fe])) |
|
| 557 |
- cheatsWriteHalfWord(address & 0x70003fe, |
|
| 558 |
- value); |
|
| 559 |
- else |
|
| 560 |
-#endif |
|
| 561 |
- WRITE16LE(((uint16_t *)&oam[address & 0x3fe]), value); |
|
| 562 |
- break; |
|
| 563 |
- case 8: |
|
| 564 |
- case 9: |
|
| 565 |
- /* if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) {
|
|
| 566 |
- if(!rtcWrite(address, value)) |
|
| 567 |
- goto unwritable; |
|
| 568 |
- } else if(!agbPrintWrite(address, value)) goto unwritable;*/ |
|
| 569 |
- break; |
|
| 570 |
- case 13: |
|
| 571 |
- if(cpuEEPROMEnabled) {
|
|
| 572 |
- //eepromWrite(address, (u8)value); |
|
| 573 |
- break; |
|
| 574 |
- } |
|
| 575 |
- goto unwritable; |
|
| 576 |
- /*case 14: |
|
| 577 |
- if(*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled) {
|
|
| 578 |
- //(*cpuSaveGameFunc)(address, (u8)value); |
|
| 579 |
- break; |
|
| 580 |
- } |
|
| 581 |
- goto unwritable;*/ |
|
| 582 |
- default: |
|
| 583 |
-unwritable: |
|
| 584 |
-#ifdef GBA_LOGGING |
|
| 585 |
- if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 586 |
- log("Illegal halfword write: %04x to %08x from %08x\n",
|
|
| 587 |
- value, |
|
| 588 |
- address, |
|
| 589 |
- armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 590 |
- } |
|
| 591 |
-#endif |
|
| 592 |
- break; |
|
| 593 |
- } |
|
| 325 |
+ address &= 0xFFFFFFFE; |
|
| 326 |
+ |
|
| 327 |
+ switch (address >> 24) |
|
| 328 |
+ {
|
|
| 329 |
+ case 2: |
|
| 330 |
+ WRITE16LE(&workRAM[address & 0x3FFFE], value); |
|
| 331 |
+ break; |
|
| 332 |
+ case 3: |
|
| 333 |
+ WRITE16LE(&internalRAM[address & 0x7ffe], value); |
|
| 334 |
+ break; |
|
| 335 |
+ case 4: |
|
| 336 |
+ if (address < 0x4000400) |
|
| 337 |
+ CPUUpdateRegister(address & 0x3fe, value); |
|
| 338 |
+ break; |
|
| 339 |
+ case 5: |
|
| 340 |
+ WRITE16LE(&paletteRAM[address & 0x3fe], value); |
|
| 341 |
+ break; |
|
| 342 |
+ case 6: |
|
| 343 |
+ address &= 0x1fffe; |
|
| 344 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 345 |
+ return; |
|
| 346 |
+ if ((address & 0x18000) == 0x18000) |
|
| 347 |
+ address &= 0x17fff; |
|
| 348 |
+ WRITE16LE(&vram[address], value); |
|
| 349 |
+ break; |
|
| 350 |
+ case 7: |
|
| 351 |
+ WRITE16LE(&oam[address & 0x3fe], value); |
|
| 352 |
+ } |
|
| 594 | 353 |
} |
| 595 | 354 |
|
| 596 |
-static inline void CPUWriteByte(uint32_t address, uint8_t b) |
|
| 355 |
+inline void CPUWriteByte(uint32_t address, uint8_t b) |
|
| 597 | 356 |
{
|
| 598 |
- switch(address >> 24) {
|
|
| 599 |
- case 2: |
|
| 600 |
-#ifdef BKPT_SUPPORT |
|
| 601 |
- if(freezeWorkRAM[address & 0x3FFFF]) |
|
| 602 |
- cheatsWriteByte(address & 0x203FFFF, b); |
|
| 603 |
- else |
|
| 604 |
-#endif |
|
| 605 |
- workRAM[address & 0x3FFFF] = b; |
|
| 606 |
- break; |
|
| 607 |
- case 3: |
|
| 608 |
-#ifdef BKPT_SUPPORT |
|
| 609 |
- if(freezeInternalRAM[address & 0x7fff]) |
|
| 610 |
- cheatsWriteByte(address & 0x3007fff, b); |
|
| 611 |
- else |
|
| 612 |
-#endif |
|
| 613 |
- internalRAM[address & 0x7fff] = b; |
|
| 614 |
- break; |
|
| 615 |
- case 4: |
|
| 616 |
- if(address < 0x4000400) {
|
|
| 617 |
- switch(address & 0x3FF) {
|
|
| 618 |
- case 0x60: |
|
| 619 |
- case 0x61: |
|
| 620 |
- case 0x62: |
|
| 621 |
- case 0x63: |
|
| 622 |
- case 0x64: |
|
| 623 |
- case 0x65: |
|
| 624 |
- case 0x68: |
|
| 625 |
- case 0x69: |
|
| 626 |
- case 0x6c: |
|
| 627 |
- case 0x6d: |
|
| 628 |
- case 0x70: |
|
| 629 |
- case 0x71: |
|
| 630 |
- case 0x72: |
|
| 631 |
- case 0x73: |
|
| 632 |
- case 0x74: |
|
| 633 |
- case 0x75: |
|
| 634 |
- case 0x78: |
|
| 635 |
- case 0x79: |
|
| 636 |
- case 0x7c: |
|
| 637 |
- case 0x7d: |
|
| 638 |
- case 0x80: |
|
| 639 |
- case 0x81: |
|
| 640 |
- case 0x84: |
|
| 641 |
- case 0x85: |
|
| 642 |
- case 0x90: |
|
| 643 |
- case 0x91: |
|
| 644 |
- case 0x92: |
|
| 645 |
- case 0x93: |
|
| 646 |
- case 0x94: |
|
| 647 |
- case 0x95: |
|
| 648 |
- case 0x96: |
|
| 649 |
- case 0x97: |
|
| 650 |
- case 0x98: |
|
| 651 |
- case 0x99: |
|
| 652 |
- case 0x9a: |
|
| 653 |
- case 0x9b: |
|
| 654 |
- case 0x9c: |
|
| 655 |
- case 0x9d: |
|
| 656 |
- case 0x9e: |
|
| 657 |
- case 0x9f: |
|
| 658 |
- soundEvent(address&0xFF, b); |
|
| 659 |
- break; |
|
| 660 |
- case 0x301: // HALTCNT, undocumented |
|
| 661 |
- if(b == 0x80) |
|
| 662 |
- stopState = true; |
|
| 663 |
- holdState = 1; |
|
| 664 |
- holdType = -1; |
|
| 665 |
- cpuNextEvent = cpuTotalTicks; |
|
| 666 |
- break; |
|
| 667 |
- default: // every other register |
|
| 668 |
- uint32_t lowerBits = address & 0x3fe; |
|
| 669 |
- if(address & 1) {
|
|
| 670 |
- CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0x00FF) | (b << 8)); |
|
| 671 |
- } else {
|
|
| 672 |
- CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0xFF00) | b); |
|
| 673 |
- } |
|
| 674 |
- } |
|
| 675 |
- break; |
|
| 676 |
- } else goto unwritable; |
|
| 677 |
- break; |
|
| 678 |
- case 5: |
|
| 679 |
- // no need to switch |
|
| 680 |
- *((uint16_t *)&paletteRAM[address & 0x3FE]) = (b << 8) | b; |
|
| 681 |
- break; |
|
| 682 |
- case 6: |
|
| 683 |
- address = (address & 0x1fffe); |
|
| 684 |
- if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 685 |
- return; |
|
| 686 |
- if ((address & 0x18000) == 0x18000) |
|
| 687 |
- address &= 0x17fff; |
|
| 688 |
- |
|
| 689 |
- // no need to switch |
|
| 690 |
- // byte writes to OBJ VRAM are ignored |
|
| 691 |
- if ((address) < objTilesAddress[((DISPCNT&7)+1)>>2]) |
|
| 692 |
- {
|
|
| 693 |
-#ifdef BKPT_SUPPORT |
|
| 694 |
- if(freezeVRAM[address]) |
|
| 695 |
- cheatsWriteByte(address + 0x06000000, b); |
|
| 696 |
- else |
|
| 697 |
-#endif |
|
| 698 |
- *((uint16_t *)&vram[address]) = (b << 8) | b; |
|
| 699 |
- } |
|
| 700 |
- break; |
|
| 701 |
- case 7: |
|
| 702 |
- // no need to switch |
|
| 703 |
- // byte writes to OAM are ignored |
|
| 704 |
- // *((uint16_t *)&oam[address & 0x3FE]) = (b << 8) | b; |
|
| 705 |
- break; |
|
| 706 |
- case 13: |
|
| 707 |
- if(cpuEEPROMEnabled) {
|
|
| 708 |
- //eepromWrite(address, b); |
|
| 709 |
- break; |
|
| 710 |
- } |
|
| 711 |
- goto unwritable; |
|
| 712 |
- /*case 14: |
|
| 713 |
- if ((saveType != 5) && (*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 714 |
- |
|
| 715 |
- //if(!cpuEEPROMEnabled && (cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 716 |
- |
|
| 717 |
- //(*cpuSaveGameFunc)(address, b); |
|
| 718 |
- break; |
|
| 719 |
- }*/ |
|
| 720 |
- // default |
|
| 721 |
- default: |
|
| 722 |
-unwritable: |
|
| 723 |
-#ifdef GBA_LOGGING |
|
| 724 |
- if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 725 |
- log("Illegal byte write: %02x to %08x from %08x\n",
|
|
| 726 |
- b, |
|
| 727 |
- address, |
|
| 728 |
- armMode ? armNextPC - 4 : armNextPC -2 ); |
|
| 729 |
- } |
|
| 730 |
-#endif |
|
| 731 |
- break; |
|
| 732 |
- } |
|
| 357 |
+ switch (address >> 24) |
|
| 358 |
+ {
|
|
| 359 |
+ case 2: |
|
| 360 |
+ workRAM[address & 0x3FFFF] = b; |
|
| 361 |
+ break; |
|
| 362 |
+ case 3: |
|
| 363 |
+ internalRAM[address & 0x7fff] = b; |
|
| 364 |
+ break; |
|
| 365 |
+ case 4: |
|
| 366 |
+ if (address < 0x4000400) |
|
| 367 |
+ {
|
|
| 368 |
+ switch (address & 0x3FF) |
|
| 369 |
+ {
|
|
| 370 |
+ case 0x60: |
|
| 371 |
+ case 0x61: |
|
| 372 |
+ case 0x62: |
|
| 373 |
+ case 0x63: |
|
| 374 |
+ case 0x64: |
|
| 375 |
+ case 0x65: |
|
| 376 |
+ case 0x68: |
|
| 377 |
+ case 0x69: |
|
| 378 |
+ case 0x6c: |
|
| 379 |
+ case 0x6d: |
|
| 380 |
+ case 0x70: |
|
| 381 |
+ case 0x71: |
|
| 382 |
+ case 0x72: |
|
| 383 |
+ case 0x73: |
|
| 384 |
+ case 0x74: |
|
| 385 |
+ case 0x75: |
|
| 386 |
+ case 0x78: |
|
| 387 |
+ case 0x79: |
|
| 388 |
+ case 0x7c: |
|
| 389 |
+ case 0x7d: |
|
| 390 |
+ case 0x80: |
|
| 391 |
+ case 0x81: |
|
| 392 |
+ case 0x84: |
|
| 393 |
+ case 0x85: |
|
| 394 |
+ case 0x90: |
|
| 395 |
+ case 0x91: |
|
| 396 |
+ case 0x92: |
|
| 397 |
+ case 0x93: |
|
| 398 |
+ case 0x94: |
|
| 399 |
+ case 0x95: |
|
| 400 |
+ case 0x96: |
|
| 401 |
+ case 0x97: |
|
| 402 |
+ case 0x98: |
|
| 403 |
+ case 0x99: |
|
| 404 |
+ case 0x9a: |
|
| 405 |
+ case 0x9b: |
|
| 406 |
+ case 0x9c: |
|
| 407 |
+ case 0x9d: |
|
| 408 |
+ case 0x9e: |
|
| 409 |
+ case 0x9f: |
|
| 410 |
+ soundEvent(address & 0xFF, b); |
|
| 411 |
+ break; |
|
| 412 |
+ case 0x301: // HALTCNT, undocumented |
|
| 413 |
+ if (b == 0x80) |
|
| 414 |
+ stopState = true; |
|
| 415 |
+ holdState = true; |
|
| 416 |
+ holdType = -1; |
|
| 417 |
+ cpuNextEvent = cpuTotalTicks; |
|
| 418 |
+ break; |
|
| 419 |
+ default: // every other register |
|
| 420 |
+ uint32_t lowerBits = address & 0x3fe; |
|
| 421 |
+ if (address & 1) |
|
| 422 |
+ CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0x00FF) | (b << 8)); |
|
| 423 |
+ else |
|
| 424 |
+ CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0xFF00) | b); |
|
| 425 |
+ } |
|
| 426 |
+ break; |
|
| 427 |
+ } |
|
| 428 |
+ break; |
|
| 429 |
+ case 5: |
|
| 430 |
+ // no need to switch |
|
| 431 |
+ *reinterpret_cast<uint16_t *>(&paletteRAM[address & 0x3FE]) = (b << 8) | b; |
|
| 432 |
+ break; |
|
| 433 |
+ case 6: |
|
| 434 |
+ address &= 0x1fffe; |
|
| 435 |
+ if ((DISPCNT & 7) > 2 && (address & 0x1C000) == 0x18000) |
|
| 436 |
+ return; |
|
| 437 |
+ if ((address & 0x18000) == 0x18000) |
|
| 438 |
+ address &= 0x17fff; |
|
| 439 |
+ |
|
| 440 |
+ // no need to switch |
|
| 441 |
+ // byte writes to OBJ VRAM are ignored |
|
| 442 |
+ if (address < objTilesAddress[((DISPCNT & 7) + 1) >> 2]) |
|
| 443 |
+ *reinterpret_cast<uint16_t *>(&vram[address]) = (b << 8) | b; |
|
| 444 |
+ break; |
|
| 445 |
+ case 7: |
|
| 446 |
+ // no need to switch |
|
| 447 |
+ // byte writes to OAM are ignored |
|
| 448 |
+ //*reinterpret_cast<uint16_t *>(&oam[address & 0x3FE]) = (b << 8) | b; |
|
| 449 |
+ break; |
|
| 450 |
+ } |
|
| 733 | 451 |
} |
| 734 | 452 |
|
| 735 | 453 |
#endif // GBAINLINE_H |
| ... | ... |
@@ -9,7 +9,7 @@ |
| 9 | 9 |
#include "GBAcpu.h" |
| 10 | 10 |
//#include "GBALink.h" |
| 11 | 11 |
|
| 12 |
-extern const u32 objTilesAddress[3]; |
|
| 12 |
+extern const uint32_t objTilesAddress[3]; |
|
| 13 | 13 |
|
| 14 | 14 |
extern bool stopState; |
| 15 | 15 |
extern bool holdState; |
| ... | ... |
@@ -19,7 +19,7 @@ extern bool cpuSramEnabled; |
| 19 | 19 |
extern bool cpuFlashEnabled; |
| 20 | 20 |
extern bool cpuEEPROMEnabled; |
| 21 | 21 |
extern bool cpuEEPROMSensorEnabled; |
| 22 |
-extern u32 cpuDmaLast; |
|
| 22 |
+extern uint32_t cpuDmaLast; |
|
| 23 | 23 |
extern bool timer0On; |
| 24 | 24 |
extern int timer0Ticks; |
| 25 | 25 |
extern int timer0ClockReload; |
| ... | ... |
@@ -38,15 +38,15 @@ extern int cpuTotalTicks; |
| 38 | 38 |
map[(addr)>>24].address[(addr) & map[(addr)>>24].mask] |
| 39 | 39 |
|
| 40 | 40 |
#define CPUReadHalfWordQuick(addr) \ |
| 41 |
- READ16LE(((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 41 |
+ READ16LE(((uint16_t*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 42 | 42 |
|
| 43 | 43 |
#define CPUReadMemoryQuick(addr) \ |
| 44 |
- READ32LE(((u32*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 44 |
+ READ32LE(((uint32_t*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 45 | 45 |
|
| 46 |
-static inline u32 CPUReadMemory(u32 address) |
|
| 46 |
+static inline uint32_t CPUReadMemory(uint32_t address) |
|
| 47 | 47 |
{
|
| 48 |
- u32 value; |
|
| 49 |
- u32 oldAddress = address; |
|
| 48 |
+ uint32_t value; |
|
| 49 |
+ uint32_t oldAddress = address; |
|
| 50 | 50 |
|
| 51 | 51 |
if(address & 3) {
|
| 52 | 52 |
address &= ~0x03; |
| ... | ... |
@@ -63,33 +63,33 @@ static inline u32 CPUReadMemory(u32 address) |
| 63 | 63 |
} |
| 64 | 64 |
#endif |
| 65 | 65 |
|
| 66 |
- value = READ32LE(((u32 *)&biosProtected)); |
|
| 66 |
+ value = READ32LE(((uint32_t *)&biosProtected)); |
|
| 67 | 67 |
} |
| 68 | 68 |
else goto unreadable; |
| 69 | 69 |
} else |
| 70 |
- value = READ32LE(((u32 *)&bios[address & 0x3FFC])); |
|
| 70 |
+ value = READ32LE(((uint32_t *)&bios[address & 0x3FFC])); |
|
| 71 | 71 |
break; |
| 72 | 72 |
case 2: |
| 73 |
- value = READ32LE(((u32 *)&workRAM[address & 0x3FFFC])); |
|
| 73 |
+ value = READ32LE(((uint32_t *)&workRAM[address & 0x3FFFC])); |
|
| 74 | 74 |
break; |
| 75 | 75 |
case 3: |
| 76 |
- value = READ32LE(((u32 *)&internalRAM[address & 0x7ffC])); |
|
| 76 |
+ value = READ32LE(((uint32_t *)&internalRAM[address & 0x7ffC])); |
|
| 77 | 77 |
break; |
| 78 | 78 |
case 4: |
| 79 | 79 |
if((address < 0x4000400) && ioReadable[address & 0x3fc]) {
|
| 80 | 80 |
if(ioReadable[(address & 0x3fc) + 2]) {
|
| 81 |
- value = READ32LE(((u32 *)&ioMem[address & 0x3fC])); |
|
| 81 |
+ value = READ32LE(((uint32_t *)&ioMem[address & 0x3fC])); |
|
| 82 | 82 |
/*if ((address & 0x3fc) == COMM_JOY_RECV_L) |
| 83 | 83 |
UPDATE_REG(COMM_JOYSTAT, READ16LE(&ioMem[COMM_JOYSTAT]) & ~JOYSTAT_RECV);*/ |
| 84 | 84 |
} else {
|
| 85 |
- value = READ16LE(((u16 *)&ioMem[address & 0x3fc])); |
|
| 85 |
+ value = READ16LE(((uint16_t *)&ioMem[address & 0x3fc])); |
|
| 86 | 86 |
} |
| 87 | 87 |
} |
| 88 | 88 |
else |
| 89 | 89 |
goto unreadable; |
| 90 | 90 |
break; |
| 91 | 91 |
case 5: |
| 92 |
- value = READ32LE(((u32 *)&paletteRAM[address & 0x3fC])); |
|
| 92 |
+ value = READ32LE(((uint32_t *)&paletteRAM[address & 0x3fC])); |
|
| 93 | 93 |
break; |
| 94 | 94 |
case 6: |
| 95 | 95 |
address = (address & 0x1fffc); |
| ... | ... |
@@ -100,17 +100,17 @@ static inline u32 CPUReadMemory(u32 address) |
| 100 | 100 |
} |
| 101 | 101 |
if ((address & 0x18000) == 0x18000) |
| 102 | 102 |
address &= 0x17fff; |
| 103 |
- value = READ32LE(((u32 *)&vram[address])); |
|
| 103 |
+ value = READ32LE(((uint32_t *)&vram[address])); |
|
| 104 | 104 |
break; |
| 105 | 105 |
case 7: |
| 106 |
- value = READ32LE(((u32 *)&oam[address & 0x3FC])); |
|
| 106 |
+ value = READ32LE(((uint32_t *)&oam[address & 0x3FC])); |
|
| 107 | 107 |
break; |
| 108 | 108 |
case 8: |
| 109 | 109 |
case 9: |
| 110 | 110 |
case 10: |
| 111 | 111 |
case 11: |
| 112 | 112 |
case 12: |
| 113 |
- value = READ32LE(((u32 *)&rom[address&0x1FFFFFC])); |
|
| 113 |
+ value = READ32LE(((uint32_t *)&rom[address&0x1FFFFFC])); |
|
| 114 | 114 |
break; |
| 115 | 115 |
case 13: |
| 116 | 116 |
if(cpuEEPROMEnabled) |
| ... | ... |
@@ -172,12 +172,12 @@ unreadable: |
| 172 | 172 |
return value; |
| 173 | 173 |
} |
| 174 | 174 |
|
| 175 |
-extern u32 myROM[]; |
|
| 175 |
+extern uint32_t myROM[]; |
|
| 176 | 176 |
|
| 177 |
-static inline u32 CPUReadHalfWord(u32 address) |
|
| 177 |
+static inline uint32_t CPUReadHalfWord(uint32_t address) |
|
| 178 | 178 |
{
|
| 179 |
- u32 value; |
|
| 180 |
- u32 oldAddress = address; |
|
| 179 |
+ uint32_t value; |
|
| 180 |
+ uint32_t oldAddress = address; |
|
| 181 | 181 |
|
| 182 | 182 |
if(address & 1) {
|
| 183 | 183 |
address &= ~0x01; |
| ... | ... |
@@ -193,21 +193,21 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 193 | 193 |
armNextPC - 4 : armNextPC - 2); |
| 194 | 194 |
} |
| 195 | 195 |
#endif |
| 196 |
- value = READ16LE(((u16 *)&biosProtected[address&2])); |
|
| 196 |
+ value = READ16LE(((uint16_t *)&biosProtected[address&2])); |
|
| 197 | 197 |
} else goto unreadable; |
| 198 | 198 |
} else |
| 199 |
- value = READ16LE(((u16 *)&bios[address & 0x3FFE])); |
|
| 199 |
+ value = READ16LE(((uint16_t *)&bios[address & 0x3FFE])); |
|
| 200 | 200 |
break; |
| 201 | 201 |
case 2: |
| 202 |
- value = READ16LE(((u16 *)&workRAM[address & 0x3FFFE])); |
|
| 202 |
+ value = READ16LE(((uint16_t *)&workRAM[address & 0x3FFFE])); |
|
| 203 | 203 |
break; |
| 204 | 204 |
case 3: |
| 205 |
- value = READ16LE(((u16 *)&internalRAM[address & 0x7ffe])); |
|
| 205 |
+ value = READ16LE(((uint16_t *)&internalRAM[address & 0x7ffe])); |
|
| 206 | 206 |
break; |
| 207 | 207 |
case 4: |
| 208 | 208 |
if((address < 0x4000400) && ioReadable[address & 0x3fe]) |
| 209 | 209 |
{
|
| 210 |
- value = READ16LE(((u16 *)&ioMem[address & 0x3fe])); |
|
| 210 |
+ value = READ16LE(((uint16_t *)&ioMem[address & 0x3fe])); |
|
| 211 | 211 |
if (((address & 0x3fe)>0xFF) && ((address & 0x3fe)<0x10E)) |
| 212 | 212 |
{
|
| 213 | 213 |
if (((address & 0x3fe) == 0x100) && timer0On) |
| ... | ... |
@@ -226,7 +226,7 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 226 | 226 |
else goto unreadable; |
| 227 | 227 |
break; |
| 228 | 228 |
case 5: |
| 229 |
- value = READ16LE(((u16 *)&paletteRAM[address & 0x3fe])); |
|
| 229 |
+ value = READ16LE(((uint16_t *)&paletteRAM[address & 0x3fe])); |
|
| 230 | 230 |
break; |
| 231 | 231 |
case 6: |
| 232 | 232 |
address = (address & 0x1fffe); |
| ... | ... |
@@ -237,10 +237,10 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 237 | 237 |
} |
| 238 | 238 |
if ((address & 0x18000) == 0x18000) |
| 239 | 239 |
address &= 0x17fff; |
| 240 |
- value = READ16LE(((u16 *)&vram[address])); |
|
| 240 |
+ value = READ16LE(((uint16_t *)&vram[address])); |
|
| 241 | 241 |
break; |
| 242 | 242 |
case 7: |
| 243 |
- value = READ16LE(((u16 *)&oam[address & 0x3fe])); |
|
| 243 |
+ value = READ16LE(((uint16_t *)&oam[address & 0x3fe])); |
|
| 244 | 244 |
break; |
| 245 | 245 |
case 8: |
| 246 | 246 |
case 9: |
| ... | ... |
@@ -250,7 +250,7 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 250 | 250 |
if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) |
| 251 | 251 |
value = /*rtcRead(address)*/0; |
| 252 | 252 |
else |
| 253 |
- value = READ16LE(((u16 *)&rom[address & 0x1FFFFFE])); |
|
| 253 |
+ value = READ16LE(((uint16_t *)&rom[address & 0x1FFFFFE])); |
|
| 254 | 254 |
break; |
| 255 | 255 |
case 13: |
| 256 | 256 |
if(cpuEEPROMEnabled) |
| ... | ... |
@@ -291,16 +291,16 @@ unreadable: |
| 291 | 291 |
return value; |
| 292 | 292 |
} |
| 293 | 293 |
|
| 294 |
-static inline s16 CPUReadHalfWordSigned(u32 address) |
|
| 294 |
+static inline int16_t CPUReadHalfWordSigned(uint32_t address) |
|
| 295 | 295 |
{
|
| 296 |
- u32 oldAddress = address; |
|
| 296 |
+ uint32_t oldAddress = address; |
|
| 297 | 297 |
if(address & 1) {
|
| 298 | 298 |
address &= ~0x01; |
| 299 | 299 |
} |
| 300 |
- s16 value = (s16)CPUReadHalfWord(address); |
|
| 300 |
+ int16_t value = (int16_t)CPUReadHalfWord(address); |
|
| 301 | 301 |
if((oldAddress & 1)) |
| 302 | 302 |
{
|
| 303 |
- value = (s8)value; |
|
| 303 |
+ value = (int8_t)value; |
|
| 304 | 304 |
#ifdef GBA_LOGGING |
| 305 | 305 |
if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
| 306 | 306 |
log("Unaligned signed halfword read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
| ... | ... |
@@ -311,7 +311,7 @@ static inline s16 CPUReadHalfWordSigned(u32 address) |
| 311 | 311 |
return value; |
| 312 | 312 |
} |
| 313 | 313 |
|
| 314 |
-static inline u8 CPUReadByte(u32 address) |
|
| 314 |
+static inline uint8_t CPUReadByte(uint32_t address) |
|
| 315 | 315 |
{
|
| 316 | 316 |
switch(address >> 24) {
|
| 317 | 317 |
case 0: |
| ... | ... |
@@ -389,7 +389,7 @@ unreadable: |
| 389 | 389 |
} |
| 390 | 390 |
} |
| 391 | 391 |
|
| 392 |
-static inline void CPUWriteMemory(u32 address, u32 value) |
|
| 392 |
+static inline void CPUWriteMemory(uint32_t address, uint32_t value) |
|
| 393 | 393 |
{
|
| 394 | 394 |
|
| 395 | 395 |
#ifdef GBA_LOGGING |
| ... | ... |
@@ -408,21 +408,21 @@ static inline void CPUWriteMemory(u32 address, u32 value) |
| 408 | 408 |
switch(address >> 24) {
|
| 409 | 409 |
case 0x02: |
| 410 | 410 |
#ifdef BKPT_SUPPORT |
| 411 |
- if(*((u32 *)&freezeWorkRAM[address & 0x3FFFC])) |
|
| 411 |
+ if(*((uint32_t *)&freezeWorkRAM[address & 0x3FFFC])) |
|
| 412 | 412 |
cheatsWriteMemory(address & 0x203FFFC, |
| 413 | 413 |
value); |
| 414 | 414 |
else |
| 415 | 415 |
#endif |
| 416 |
- WRITE32LE(((u32 *)&workRAM[address & 0x3FFFC]), value); |
|
| 416 |
+ WRITE32LE(((uint32_t *)&workRAM[address & 0x3FFFC]), value); |
|
| 417 | 417 |
break; |
| 418 | 418 |
case 0x03: |
| 419 | 419 |
#ifdef BKPT_SUPPORT |
| 420 |
- if(*((u32 *)&freezeInternalRAM[address & 0x7ffc])) |
|
| 420 |
+ if(*((uint32_t *)&freezeInternalRAM[address & 0x7ffc])) |
|
| 421 | 421 |
cheatsWriteMemory(address & 0x3007FFC, |
| 422 | 422 |
value); |
| 423 | 423 |
else |
| 424 | 424 |
#endif |
| 425 |
- WRITE32LE(((u32 *)&internalRAM[address & 0x7ffC]), value); |
|
| 425 |
+ WRITE32LE(((uint32_t *)&internalRAM[address & 0x7ffC]), value); |
|
| 426 | 426 |
break; |
| 427 | 427 |
case 0x04: |
| 428 | 428 |
if(address < 0x4000400) {
|
| ... | ... |
@@ -432,12 +432,12 @@ static inline void CPUWriteMemory(u32 address, u32 value) |
| 432 | 432 |
break; |
| 433 | 433 |
case 0x05: |
| 434 | 434 |
#ifdef BKPT_SUPPORT |
| 435 |
- if(*((u32 *)&freezePRAM[address & 0x3fc])) |
|
| 435 |
+ if(*((uint32_t *)&freezePRAM[address & 0x3fc])) |
|
| 436 | 436 |
cheatsWriteMemory(address & 0x70003FC, |
| 437 | 437 |
value); |
| 438 | 438 |
else |
| 439 | 439 |
#endif |
| 440 |
- WRITE32LE(((u32 *)&paletteRAM[address & 0x3FC]), value); |
|
| 440 |
+ WRITE32LE(((uint32_t *)&paletteRAM[address & 0x3FC]), value); |
|
| 441 | 441 |
break; |
| 442 | 442 |
case 0x06: |
| 443 | 443 |
address = (address & 0x1fffc); |
| ... | ... |
@@ -447,21 +447,21 @@ static inline void CPUWriteMemory(u32 address, u32 value) |
| 447 | 447 |
address &= 0x17fff; |
| 448 | 448 |
|
| 449 | 449 |
#ifdef BKPT_SUPPORT |
| 450 |
- if(*((u32 *)&freezeVRAM[address])) |
|
| 450 |
+ if(*((uint32_t *)&freezeVRAM[address])) |
|
| 451 | 451 |
cheatsWriteMemory(address + 0x06000000, value); |
| 452 | 452 |
else |
| 453 | 453 |
#endif |
| 454 | 454 |
|
| 455 |
- WRITE32LE(((u32 *)&vram[address]), value); |
|
| 455 |
+ WRITE32LE(((uint32_t *)&vram[address]), value); |
|
| 456 | 456 |
break; |
| 457 | 457 |
case 0x07: |
| 458 | 458 |
#ifdef BKPT_SUPPORT |
| 459 |
- if(*((u32 *)&freezeOAM[address & 0x3fc])) |
|
| 459 |
+ if(*((uint32_t *)&freezeOAM[address & 0x3fc])) |
|
| 460 | 460 |
cheatsWriteMemory(address & 0x70003FC, |
| 461 | 461 |
value); |
| 462 | 462 |
else |
| 463 | 463 |
#endif |
| 464 |
- WRITE32LE(((u32 *)&oam[address & 0x3fc]), value); |
|
| 464 |
+ WRITE32LE(((uint32_t *)&oam[address & 0x3fc]), value); |
|
| 465 | 465 |
break; |
| 466 | 466 |
case 0x0D: |
| 467 | 467 |
if(cpuEEPROMEnabled) {
|
| ... | ... |
@@ -469,11 +469,11 @@ static inline void CPUWriteMemory(u32 address, u32 value) |
| 469 | 469 |
break; |
| 470 | 470 |
} |
| 471 | 471 |
goto unwritable; |
| 472 |
- case 0x0E: |
|
| 473 |
- if(/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled) {
|
|
| 472 |
+ /*case 0x0E: |
|
| 473 |
+ if(*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled) {
|
|
| 474 | 474 |
//(*cpuSaveGameFunc)(address, (u8)value); |
| 475 | 475 |
break; |
| 476 |
- } |
|
| 476 |
+ }*/ |
|
| 477 | 477 |
// default |
| 478 | 478 |
default: |
| 479 | 479 |
unwritable: |
| ... | ... |
@@ -489,7 +489,7 @@ unwritable: |
| 489 | 489 |
} |
| 490 | 490 |
} |
| 491 | 491 |
|
| 492 |
-static inline void CPUWriteHalfWord(u32 address, u16 value) |
|
| 492 |
+static inline void CPUWriteHalfWord(uint32_t address, uint16_t value) |
|
| 493 | 493 |
{
|
| 494 | 494 |
#ifdef GBA_LOGGING |
| 495 | 495 |
if(address & 1) {
|
| ... | ... |
@@ -507,21 +507,21 @@ static inline void CPUWriteHalfWord(u32 address, u16 value) |
| 507 | 507 |
switch(address >> 24) {
|
| 508 | 508 |
case 2: |
| 509 | 509 |
#ifdef BKPT_SUPPORT |
| 510 |
- if(*((u16 *)&freezeWorkRAM[address & 0x3FFFE])) |
|
| 510 |
+ if(*((uint16_t *)&freezeWorkRAM[address & 0x3FFFE])) |
|
| 511 | 511 |
cheatsWriteHalfWord(address & 0x203FFFE, |
| 512 | 512 |
value); |
| 513 | 513 |
else |
| 514 | 514 |
#endif |
| 515 |
- WRITE16LE(((u16 *)&workRAM[address & 0x3FFFE]),value); |
|
| 515 |
+ WRITE16LE(((uint16_t *)&workRAM[address & 0x3FFFE]),value); |
|
| 516 | 516 |
break; |
| 517 | 517 |
case 3: |
| 518 | 518 |
#ifdef BKPT_SUPPORT |
| 519 |
- if(*((u16 *)&freezeInternalRAM[address & 0x7ffe])) |
|
| 519 |
+ if(*((uint16_t *)&freezeInternalRAM[address & 0x7ffe])) |
|
| 520 | 520 |
cheatsWriteHalfWord(address & 0x3007ffe, |
| 521 | 521 |
value); |
| 522 | 522 |
else |
| 523 | 523 |
#endif |
| 524 |
- WRITE16LE(((u16 *)&internalRAM[address & 0x7ffe]), value); |
|
| 524 |
+ WRITE16LE(((uint16_t *)&internalRAM[address & 0x7ffe]), value); |
|
| 525 | 525 |
break; |
| 526 | 526 |
case 4: |
| 527 | 527 |
if(address < 0x4000400) |
| ... | ... |
@@ -530,12 +530,12 @@ static inline void CPUWriteHalfWord(u32 address, u16 value) |
| 530 | 530 |
break; |
| 531 | 531 |
case 5: |
| 532 | 532 |
#ifdef BKPT_SUPPORT |
| 533 |
- if(*((u16 *)&freezePRAM[address & 0x03fe])) |
|
| 533 |
+ if(*((uint16_t *)&freezePRAM[address & 0x03fe])) |
|
| 534 | 534 |
cheatsWriteHalfWord(address & 0x70003fe, |
| 535 | 535 |
value); |
| 536 | 536 |
else |
| 537 | 537 |
#endif |
| 538 |
- WRITE16LE(((u16 *)&paletteRAM[address & 0x3fe]), value); |
|
| 538 |
+ WRITE16LE(((uint16_t *)&paletteRAM[address & 0x3fe]), value); |
|
| 539 | 539 |
break; |
| 540 | 540 |
case 6: |
| 541 | 541 |
address = (address & 0x1fffe); |
| ... | ... |
@@ -544,21 +544,21 @@ static inline void CPUWriteHalfWord(u32 address, u16 value) |
| 544 | 544 |
if ((address & 0x18000) == 0x18000) |
| 545 | 545 |
address &= 0x17fff; |
| 546 | 546 |
#ifdef BKPT_SUPPORT |
| 547 |
- if(*((u16 *)&freezeVRAM[address])) |
|
| 547 |
+ if(*((uint16_t *)&freezeVRAM[address])) |
|
| 548 | 548 |
cheatsWriteHalfWord(address + 0x06000000, |
| 549 | 549 |
value); |
| 550 | 550 |
else |
| 551 | 551 |
#endif |
| 552 |
- WRITE16LE(((u16 *)&vram[address]), value); |
|
| 552 |
+ WRITE16LE(((uint16_t *)&vram[address]), value); |
|
| 553 | 553 |
break; |
| 554 | 554 |
case 7: |
| 555 | 555 |
#ifdef BKPT_SUPPORT |
| 556 |
- if(*((u16 *)&freezeOAM[address & 0x03fe])) |
|
| 556 |
+ if(*((uint16_t *)&freezeOAM[address & 0x03fe])) |
|
| 557 | 557 |
cheatsWriteHalfWord(address & 0x70003fe, |
| 558 | 558 |
value); |
| 559 | 559 |
else |
| 560 | 560 |
#endif |
| 561 |
- WRITE16LE(((u16 *)&oam[address & 0x3fe]), value); |
|
| 561 |
+ WRITE16LE(((uint16_t *)&oam[address & 0x3fe]), value); |
|
| 562 | 562 |
break; |
| 563 | 563 |
case 8: |
| 564 | 564 |
case 9: |
| ... | ... |
@@ -573,12 +573,12 @@ static inline void CPUWriteHalfWord(u32 address, u16 value) |
| 573 | 573 |
break; |
| 574 | 574 |
} |
| 575 | 575 |
goto unwritable; |
| 576 |
- case 14: |
|
| 577 |
- if(/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled) {
|
|
| 576 |
+ /*case 14: |
|
| 577 |
+ if(*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled) {
|
|
| 578 | 578 |
//(*cpuSaveGameFunc)(address, (u8)value); |
| 579 | 579 |
break; |
| 580 | 580 |
} |
| 581 |
- goto unwritable; |
|
| 581 |
+ goto unwritable;*/ |
|
| 582 | 582 |
default: |
| 583 | 583 |
unwritable: |
| 584 | 584 |
#ifdef GBA_LOGGING |
| ... | ... |
@@ -593,7 +593,7 @@ unwritable: |
| 593 | 593 |
} |
| 594 | 594 |
} |
| 595 | 595 |
|
| 596 |
-static inline void CPUWriteByte(u32 address, u8 b) |
|
| 596 |
+static inline void CPUWriteByte(uint32_t address, uint8_t b) |
|
| 597 | 597 |
{
|
| 598 | 598 |
switch(address >> 24) {
|
| 599 | 599 |
case 2: |
| ... | ... |
@@ -665,7 +665,7 @@ static inline void CPUWriteByte(u32 address, u8 b) |
| 665 | 665 |
cpuNextEvent = cpuTotalTicks; |
| 666 | 666 |
break; |
| 667 | 667 |
default: // every other register |
| 668 |
- u32 lowerBits = address & 0x3fe; |
|
| 668 |
+ uint32_t lowerBits = address & 0x3fe; |
|
| 669 | 669 |
if(address & 1) {
|
| 670 | 670 |
CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0x00FF) | (b << 8)); |
| 671 | 671 |
} else {
|
| ... | ... |
@@ -677,7 +677,7 @@ static inline void CPUWriteByte(u32 address, u8 b) |
| 677 | 677 |
break; |
| 678 | 678 |
case 5: |
| 679 | 679 |
// no need to switch |
| 680 |
- *((u16 *)&paletteRAM[address & 0x3FE]) = (b << 8) | b; |
|
| 680 |
+ *((uint16_t *)&paletteRAM[address & 0x3FE]) = (b << 8) | b; |
|
| 681 | 681 |
break; |
| 682 | 682 |
case 6: |
| 683 | 683 |
address = (address & 0x1fffe); |
| ... | ... |
@@ -695,13 +695,13 @@ static inline void CPUWriteByte(u32 address, u8 b) |
| 695 | 695 |
cheatsWriteByte(address + 0x06000000, b); |
| 696 | 696 |
else |
| 697 | 697 |
#endif |
| 698 |
- *((u16 *)&vram[address]) = (b << 8) | b; |
|
| 698 |
+ *((uint16_t *)&vram[address]) = (b << 8) | b; |
|
| 699 | 699 |
} |
| 700 | 700 |
break; |
| 701 | 701 |
case 7: |
| 702 | 702 |
// no need to switch |
| 703 | 703 |
// byte writes to OAM are ignored |
| 704 |
- // *((u16 *)&oam[address & 0x3FE]) = (b << 8) | b; |
|
| 704 |
+ // *((uint16_t *)&oam[address & 0x3FE]) = (b << 8) | b; |
|
| 705 | 705 |
break; |
| 706 | 706 |
case 13: |
| 707 | 707 |
if(cpuEEPROMEnabled) {
|
| ... | ... |
@@ -709,14 +709,14 @@ static inline void CPUWriteByte(u32 address, u8 b) |
| 709 | 709 |
break; |
| 710 | 710 |
} |
| 711 | 711 |
goto unwritable; |
| 712 |
- case 14: |
|
| 713 |
- if ((saveType != 5) && (/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 712 |
+ /*case 14: |
|
| 713 |
+ if ((saveType != 5) && (*//*(!eepromInUse) | *//*cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 714 | 714 |
|
| 715 | 715 |
//if(!cpuEEPROMEnabled && (cpuSramEnabled | cpuFlashEnabled)) {
|
| 716 | 716 |
|
| 717 | 717 |
//(*cpuSaveGameFunc)(address, b); |
| 718 | 718 |
break; |
| 719 |
- } |
|
| 719 |
+ }*/ |
|
| 720 | 720 |
// default |
| 721 | 721 |
default: |
| 722 | 722 |
unwritable: |
| ... | ... |
@@ -19,7 +19,6 @@ extern bool cpuSramEnabled; |
| 19 | 19 |
extern bool cpuFlashEnabled; |
| 20 | 20 |
extern bool cpuEEPROMEnabled; |
| 21 | 21 |
extern bool cpuEEPROMSensorEnabled; |
| 22 |
-extern bool cpuDmaHack; |
|
| 23 | 22 |
extern u32 cpuDmaLast; |
| 24 | 23 |
extern bool timer0On; |
| 25 | 24 |
extern int timer0Ticks; |
| ... | ... |
@@ -46,23 +45,20 @@ extern int cpuTotalTicks; |
| 46 | 45 |
|
| 47 | 46 |
static inline u32 CPUReadMemory(u32 address) |
| 48 | 47 |
{
|
| 49 |
-#ifdef GBA_LOGGING |
|
| 48 |
+ u32 value; |
|
| 49 |
+ u32 oldAddress = address; |
|
| 50 |
+ |
|
| 50 | 51 |
if(address & 3) {
|
| 51 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 52 |
- log("Unaligned word read: %08x at %08x\n", address, armMode ?
|
|
| 53 |
- armNextPC - 4 : armNextPC - 2); |
|
| 54 |
- } |
|
| 52 |
+ address &= ~0x03; |
|
| 55 | 53 |
} |
| 56 |
-#endif |
|
| 57 | 54 |
|
| 58 |
- u32 value; |
|
| 59 | 55 |
switch(address >> 24) {
|
| 60 | 56 |
case 0: |
| 61 | 57 |
if(reg[15].I >> 24) {
|
| 62 | 58 |
if(address < 0x4000) {
|
| 63 | 59 |
#ifdef GBA_LOGGING |
| 64 | 60 |
if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
| 65 |
- log("Illegal word read: %08x at %08x\n", address, armMode ?
|
|
| 61 |
+ log("Illegal word read from bios: %08x at %08x\n", address, armMode ?
|
|
| 66 | 62 |
armNextPC - 4 : armNextPC - 2); |
| 67 | 63 |
} |
| 68 | 64 |
#endif |
| ... | ... |
@@ -135,21 +131,17 @@ unreadable: |
| 135 | 131 |
} |
| 136 | 132 |
#endif |
| 137 | 133 |
|
| 138 |
- if(cpuDmaHack) {
|
|
| 139 |
- value = cpuDmaLast; |
|
| 140 |
- } else {
|
|
| 141 | 134 |
if(armState) {
|
| 142 |
- value = CPUReadMemoryQuick(reg[15].I); |
|
| 135 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 143 | 136 |
} else {
|
| 144 |
- value = CPUReadHalfWordQuick(reg[15].I) | |
|
| 137 |
+ return CPUReadHalfWordQuick(reg[15].I) | |
|
| 145 | 138 |
CPUReadHalfWordQuick(reg[15].I) << 16; |
| 146 | 139 |
} |
| 147 | 140 |
} |
| 148 |
- } |
|
| 149 | 141 |
|
| 150 |
- if(address & 3) {
|
|
| 142 |
+ if(oldAddress & 3) {
|
|
| 151 | 143 |
#ifdef C_CORE |
| 152 |
- int shift = (address & 3) << 3; |
|
| 144 |
+ int shift = (oldAddress & 3) << 3; |
|
| 153 | 145 |
value = (value >> shift) | (value << (32 - shift)); |
| 154 | 146 |
#else |
| 155 | 147 |
#ifdef __GNUC__ |
| ... | ... |
@@ -157,10 +149,10 @@ unreadable: |
| 157 | 149 |
"shl $3 ,%%ecx;" |
| 158 | 150 |
"ror %%cl, %0" |
| 159 | 151 |
: "=r" (value) |
| 160 |
- : "r" (value), "c" (address)); |
|
| 152 |
+ : "r" (value), "c" (oldAddress)); |
|
| 161 | 153 |
#else |
| 162 | 154 |
__asm {
|
| 163 |
- mov ecx, address; |
|
| 155 |
+ mov ecx, oldAddress; |
|
| 164 | 156 |
and ecx, 3; |
| 165 | 157 |
shl ecx, 3; |
| 166 | 158 |
ror [dword ptr value], cl; |
| ... | ... |
@@ -168,6 +160,15 @@ unreadable: |
| 168 | 160 |
#endif |
| 169 | 161 |
#endif |
| 170 | 162 |
} |
| 163 |
+ |
|
| 164 |
+#ifdef GBA_LOGGING |
|
| 165 |
+ if(oldAddress & 3) {
|
|
| 166 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 167 |
+ log("Unaligned word read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 168 |
+ armNextPC - 4 : armNextPC - 2, value); |
|
| 169 |
+ } |
|
| 170 |
+ } |
|
| 171 |
+#endif |
|
| 171 | 172 |
return value; |
| 172 | 173 |
} |
| 173 | 174 |
|
| ... | ... |
@@ -175,16 +176,12 @@ extern u32 myROM[]; |
| 175 | 176 |
|
| 176 | 177 |
static inline u32 CPUReadHalfWord(u32 address) |
| 177 | 178 |
{
|
| 178 |
-#ifdef GBA_LOGGING |
|
| 179 |
+ u32 value; |
|
| 180 |
+ u32 oldAddress = address; |
|
| 181 |
+ |
|
| 179 | 182 |
if(address & 1) {
|
| 180 |
- if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 181 |
- log("Unaligned halfword read: %08x at %08x\n", address, armMode ?
|
|
| 182 |
- armNextPC - 4 : armNextPC - 2); |
|
| 183 |
- } |
|
| 183 |
+ address &= ~0x01; |
|
| 184 | 184 |
} |
| 185 |
-#endif |
|
| 186 |
- |
|
| 187 |
- u32 value; |
|
| 188 | 185 |
|
| 189 | 186 |
switch(address >> 24) {
|
| 190 | 187 |
case 0: |
| ... | ... |
@@ -192,7 +189,7 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 192 | 189 |
if(address < 0x4000) {
|
| 193 | 190 |
#ifdef GBA_LOGGING |
| 194 | 191 |
if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
| 195 |
- log("Illegal halfword read: %08x at %08x\n", address, armMode ?
|
|
| 192 |
+ log("Illegal halfword read from bios: %08x at %08x\n", oldAddress, armMode ?
|
|
| 196 | 193 |
armNextPC - 4 : armNextPC - 2); |
| 197 | 194 |
} |
| 198 | 195 |
#endif |
| ... | ... |
@@ -269,34 +266,48 @@ static inline u32 CPUReadHalfWord(u32 address) |
| 269 | 266 |
unreadable: |
| 270 | 267 |
#ifdef GBA_LOGGING |
| 271 | 268 |
if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
| 272 |
- log("Illegal halfword read: %08x at %08x\n", address, armMode ?
|
|
| 269 |
+ log("Illegal halfword read: %08x at %08x\n", oldAddress, armMode ?
|
|
| 273 | 270 |
armNextPC - 4 : armNextPC - 2); |
| 274 | 271 |
} |
| 275 | 272 |
#endif |
| 276 |
- if(cpuDmaHack) {
|
|
| 277 |
- value = cpuDmaLast & 0xFFFF; |
|
| 278 |
- } else {
|
|
| 279 | 273 |
if(armState) {
|
| 280 |
- value = CPUReadHalfWordQuick(reg[15].I + (address & 2)); |
|
| 274 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 281 | 275 |
} else {
|
| 282 |
- value = CPUReadHalfWordQuick(reg[15].I); |
|
| 276 |
+ return CPUReadHalfWordQuick(reg[15].I) | |
|
| 277 |
+ CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 283 | 278 |
} |
| 284 | 279 |
} |
| 285 |
- break; |
|
| 286 |
- } |
|
| 287 | 280 |
|
| 288 |
- if(address & 1) {
|
|
| 281 |
+ if(oldAddress & 1) {
|
|
| 289 | 282 |
value = (value >> 8) | (value << 24); |
| 283 |
+#ifdef GBA_LOGGING |
|
| 284 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 285 |
+ log("Unaligned halfword read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 286 |
+ armNextPC - 4 : armNextPC - 2, value); |
|
| 287 |
+ } |
|
| 288 |
+#endif |
|
| 290 | 289 |
} |
| 291 | 290 |
|
| 292 | 291 |
return value; |
| 293 | 292 |
} |
| 294 | 293 |
|
| 295 |
-static inline u16 CPUReadHalfWordSigned(u32 address) |
|
| 294 |
+static inline s16 CPUReadHalfWordSigned(u32 address) |
|
| 296 | 295 |
{
|
| 297 |
- u16 value = CPUReadHalfWord(address); |
|
| 298 |
- if((address & 1)) |
|
| 296 |
+ u32 oldAddress = address; |
|
| 297 |
+ if(address & 1) {
|
|
| 298 |
+ address &= ~0x01; |
|
| 299 |
+ } |
|
| 300 |
+ s16 value = (s16)CPUReadHalfWord(address); |
|
| 301 |
+ if((oldAddress & 1)) |
|
| 302 |
+ {
|
|
| 299 | 303 |
value = (s8)value; |
| 304 |
+#ifdef GBA_LOGGING |
|
| 305 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 306 |
+ log("Unaligned signed halfword read from: %08x at %08x (%08x)\n", oldAddress, armMode ?
|
|
| 307 |
+ armNextPC - 4 : armNextPC - 2, value); |
|
| 308 |
+ } |
|
| 309 |
+#endif |
|
| 310 |
+ } |
|
| 300 | 311 |
return value; |
| 301 | 312 |
} |
| 302 | 313 |
|
| ... | ... |
@@ -308,7 +319,7 @@ static inline u8 CPUReadByte(u32 address) |
| 308 | 319 |
if(address < 0x4000) {
|
| 309 | 320 |
#ifdef GBA_LOGGING |
| 310 | 321 |
if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
| 311 |
- log("Illegal byte read: %08x at %08x\n", address, armMode ?
|
|
| 322 |
+ log("Illegal byte read from bios: %08x at %08x\n", address, armMode ?
|
|
| 312 | 323 |
armNextPC - 4 : armNextPC - 2); |
| 313 | 324 |
} |
| 314 | 325 |
#endif |
| ... | ... |
@@ -369,17 +380,13 @@ unreadable: |
| 369 | 380 |
armNextPC - 4 : armNextPC - 2); |
| 370 | 381 |
} |
| 371 | 382 |
#endif |
| 372 |
- if(cpuDmaHack) {
|
|
| 373 |
- return cpuDmaLast & 0xFF; |
|
| 374 |
- } else {
|
|
| 375 | 383 |
if(armState) {
|
| 376 |
- return CPUReadByteQuick(reg[15].I+(address & 3)); |
|
| 384 |
+ return CPUReadMemoryQuick(reg[15].I); |
|
| 377 | 385 |
} else {
|
| 378 |
- return CPUReadByteQuick(reg[15].I+(address & 1)); |
|
| 386 |
+ return CPUReadHalfWordQuick(reg[15].I) | |
|
| 387 |
+ CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 379 | 388 |
} |
| 380 | 389 |
} |
| 381 |
- break; |
|
| 382 |
- } |
|
| 383 | 390 |
} |
| 384 | 391 |
|
| 385 | 392 |
static inline void CPUWriteMemory(u32 address, u32 value) |
| ... | ... |
@@ -396,6 +403,8 @@ static inline void CPUWriteMemory(u32 address, u32 value) |
| 396 | 403 |
} |
| 397 | 404 |
#endif |
| 398 | 405 |
|
| 406 |
+ address &= 0xFFFFFFFC; |
|
| 407 |
+ |
|
| 399 | 408 |
switch(address >> 24) {
|
| 400 | 409 |
case 0x02: |
| 401 | 410 |
#ifdef BKPT_SUPPORT |
| ... | ... |
@@ -493,6 +502,8 @@ static inline void CPUWriteHalfWord(u32 address, u16 value) |
| 493 | 502 |
} |
| 494 | 503 |
#endif |
| 495 | 504 |
|
| 505 |
+ address &= 0xFFFFFFFE; |
|
| 506 |
+ |
|
| 496 | 507 |
switch(address >> 24) {
|
| 497 | 508 |
case 2: |
| 498 | 509 |
#ifdef BKPT_SUPPORT |
| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,724 @@ |
| 1 |
+#ifndef GBAINLINE_H |
|
| 2 |
+#define GBAINLINE_H |
|
| 3 |
+ |
|
| 4 |
+//#include "../System.h" |
|
| 5 |
+#include "../common/Port.h" |
|
| 6 |
+//#include "RTC.h" |
|
| 7 |
+#include "Sound.h" |
|
| 8 |
+//#include "agbprint.h" |
|
| 9 |
+#include "GBAcpu.h" |
|
| 10 |
+//#include "GBALink.h" |
|
| 11 |
+ |
|
| 12 |
+extern const u32 objTilesAddress[3]; |
|
| 13 |
+ |
|
| 14 |
+extern bool stopState; |
|
| 15 |
+extern bool holdState; |
|
| 16 |
+extern int holdType; |
|
| 17 |
+extern int cpuNextEvent; |
|
| 18 |
+extern bool cpuSramEnabled; |
|
| 19 |
+extern bool cpuFlashEnabled; |
|
| 20 |
+extern bool cpuEEPROMEnabled; |
|
| 21 |
+extern bool cpuEEPROMSensorEnabled; |
|
| 22 |
+extern bool cpuDmaHack; |
|
| 23 |
+extern u32 cpuDmaLast; |
|
| 24 |
+extern bool timer0On; |
|
| 25 |
+extern int timer0Ticks; |
|
| 26 |
+extern int timer0ClockReload; |
|
| 27 |
+extern bool timer1On; |
|
| 28 |
+extern int timer1Ticks; |
|
| 29 |
+extern int timer1ClockReload; |
|
| 30 |
+extern bool timer2On; |
|
| 31 |
+extern int timer2Ticks; |
|
| 32 |
+extern int timer2ClockReload; |
|
| 33 |
+extern bool timer3On; |
|
| 34 |
+extern int timer3Ticks; |
|
| 35 |
+extern int timer3ClockReload; |
|
| 36 |
+extern int cpuTotalTicks; |
|
| 37 |
+ |
|
| 38 |
+#define CPUReadByteQuick(addr) \ |
|
| 39 |
+ map[(addr)>>24].address[(addr) & map[(addr)>>24].mask] |
|
| 40 |
+ |
|
| 41 |
+#define CPUReadHalfWordQuick(addr) \ |
|
| 42 |
+ READ16LE(((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 43 |
+ |
|
| 44 |
+#define CPUReadMemoryQuick(addr) \ |
|
| 45 |
+ READ32LE(((u32*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) |
|
| 46 |
+ |
|
| 47 |
+static inline u32 CPUReadMemory(u32 address) |
|
| 48 |
+{
|
|
| 49 |
+#ifdef GBA_LOGGING |
|
| 50 |
+ if(address & 3) {
|
|
| 51 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 52 |
+ log("Unaligned word read: %08x at %08x\n", address, armMode ?
|
|
| 53 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 54 |
+ } |
|
| 55 |
+ } |
|
| 56 |
+#endif |
|
| 57 |
+ |
|
| 58 |
+ u32 value; |
|
| 59 |
+ switch(address >> 24) {
|
|
| 60 |
+ case 0: |
|
| 61 |
+ if(reg[15].I >> 24) {
|
|
| 62 |
+ if(address < 0x4000) {
|
|
| 63 |
+#ifdef GBA_LOGGING |
|
| 64 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 65 |
+ log("Illegal word read: %08x at %08x\n", address, armMode ?
|
|
| 66 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 67 |
+ } |
|
| 68 |
+#endif |
|
| 69 |
+ |
|
| 70 |
+ value = READ32LE(((u32 *)&biosProtected)); |
|
| 71 |
+ } |
|
| 72 |
+ else goto unreadable; |
|
| 73 |
+ } else |
|
| 74 |
+ value = READ32LE(((u32 *)&bios[address & 0x3FFC])); |
|
| 75 |
+ break; |
|
| 76 |
+ case 2: |
|
| 77 |
+ value = READ32LE(((u32 *)&workRAM[address & 0x3FFFC])); |
|
| 78 |
+ break; |
|
| 79 |
+ case 3: |
|
| 80 |
+ value = READ32LE(((u32 *)&internalRAM[address & 0x7ffC])); |
|
| 81 |
+ break; |
|
| 82 |
+ case 4: |
|
| 83 |
+ if((address < 0x4000400) && ioReadable[address & 0x3fc]) {
|
|
| 84 |
+ if(ioReadable[(address & 0x3fc) + 2]) {
|
|
| 85 |
+ value = READ32LE(((u32 *)&ioMem[address & 0x3fC])); |
|
| 86 |
+ /*if ((address & 0x3fc) == COMM_JOY_RECV_L) |
|
| 87 |
+ UPDATE_REG(COMM_JOYSTAT, READ16LE(&ioMem[COMM_JOYSTAT]) & ~JOYSTAT_RECV);*/ |
|
| 88 |
+ } else {
|
|
| 89 |
+ value = READ16LE(((u16 *)&ioMem[address & 0x3fc])); |
|
| 90 |
+ } |
|
| 91 |
+ } |
|
| 92 |
+ else |
|
| 93 |
+ goto unreadable; |
|
| 94 |
+ break; |
|
| 95 |
+ case 5: |
|
| 96 |
+ value = READ32LE(((u32 *)&paletteRAM[address & 0x3fC])); |
|
| 97 |
+ break; |
|
| 98 |
+ case 6: |
|
| 99 |
+ address = (address & 0x1fffc); |
|
| 100 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 101 |
+ {
|
|
| 102 |
+ value = 0; |
|
| 103 |
+ break; |
|
| 104 |
+ } |
|
| 105 |
+ if ((address & 0x18000) == 0x18000) |
|
| 106 |
+ address &= 0x17fff; |
|
| 107 |
+ value = READ32LE(((u32 *)&vram[address])); |
|
| 108 |
+ break; |
|
| 109 |
+ case 7: |
|
| 110 |
+ value = READ32LE(((u32 *)&oam[address & 0x3FC])); |
|
| 111 |
+ break; |
|
| 112 |
+ case 8: |
|
| 113 |
+ case 9: |
|
| 114 |
+ case 10: |
|
| 115 |
+ case 11: |
|
| 116 |
+ case 12: |
|
| 117 |
+ value = READ32LE(((u32 *)&rom[address&0x1FFFFFC])); |
|
| 118 |
+ break; |
|
| 119 |
+ case 13: |
|
| 120 |
+ if(cpuEEPROMEnabled) |
|
| 121 |
+ // no need to swap this |
|
| 122 |
+ return /*eepromRead(address)*/0; |
|
| 123 |
+ goto unreadable; |
|
| 124 |
+ case 14: |
|
| 125 |
+ if(cpuFlashEnabled | cpuSramEnabled) |
|
| 126 |
+ // no need to swap this |
|
| 127 |
+ return /*flashRead(address)*/0; |
|
| 128 |
+ // default |
|
| 129 |
+ default: |
|
| 130 |
+unreadable: |
|
| 131 |
+#ifdef GBA_LOGGING |
|
| 132 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 133 |
+ log("Illegal word read: %08x at %08x\n", address, armMode ?
|
|
| 134 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 135 |
+ } |
|
| 136 |
+#endif |
|
| 137 |
+ |
|
| 138 |
+ if(cpuDmaHack) {
|
|
| 139 |
+ value = cpuDmaLast; |
|
| 140 |
+ } else {
|
|
| 141 |
+ if(armState) {
|
|
| 142 |
+ value = CPUReadMemoryQuick(reg[15].I); |
|
| 143 |
+ } else {
|
|
| 144 |
+ value = CPUReadHalfWordQuick(reg[15].I) | |
|
| 145 |
+ CPUReadHalfWordQuick(reg[15].I) << 16; |
|
| 146 |
+ } |
|
| 147 |
+ } |
|
| 148 |
+ } |
|
| 149 |
+ |
|
| 150 |
+ if(address & 3) {
|
|
| 151 |
+#ifdef C_CORE |
|
| 152 |
+ int shift = (address & 3) << 3; |
|
| 153 |
+ value = (value >> shift) | (value << (32 - shift)); |
|
| 154 |
+#else |
|
| 155 |
+#ifdef __GNUC__ |
|
| 156 |
+ asm("and $3, %%ecx;"
|
|
| 157 |
+ "shl $3 ,%%ecx;" |
|
| 158 |
+ "ror %%cl, %0" |
|
| 159 |
+ : "=r" (value) |
|
| 160 |
+ : "r" (value), "c" (address)); |
|
| 161 |
+#else |
|
| 162 |
+ __asm {
|
|
| 163 |
+ mov ecx, address; |
|
| 164 |
+ and ecx, 3; |
|
| 165 |
+ shl ecx, 3; |
|
| 166 |
+ ror [dword ptr value], cl; |
|
| 167 |
+ } |
|
| 168 |
+#endif |
|
| 169 |
+#endif |
|
| 170 |
+ } |
|
| 171 |
+ return value; |
|
| 172 |
+} |
|
| 173 |
+ |
|
| 174 |
+extern u32 myROM[]; |
|
| 175 |
+ |
|
| 176 |
+static inline u32 CPUReadHalfWord(u32 address) |
|
| 177 |
+{
|
|
| 178 |
+#ifdef GBA_LOGGING |
|
| 179 |
+ if(address & 1) {
|
|
| 180 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 181 |
+ log("Unaligned halfword read: %08x at %08x\n", address, armMode ?
|
|
| 182 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 183 |
+ } |
|
| 184 |
+ } |
|
| 185 |
+#endif |
|
| 186 |
+ |
|
| 187 |
+ u32 value; |
|
| 188 |
+ |
|
| 189 |
+ switch(address >> 24) {
|
|
| 190 |
+ case 0: |
|
| 191 |
+ if (reg[15].I >> 24) {
|
|
| 192 |
+ if(address < 0x4000) {
|
|
| 193 |
+#ifdef GBA_LOGGING |
|
| 194 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 195 |
+ log("Illegal halfword read: %08x at %08x\n", address, armMode ?
|
|
| 196 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 197 |
+ } |
|
| 198 |
+#endif |
|
| 199 |
+ value = READ16LE(((u16 *)&biosProtected[address&2])); |
|
| 200 |
+ } else goto unreadable; |
|
| 201 |
+ } else |
|
| 202 |
+ value = READ16LE(((u16 *)&bios[address & 0x3FFE])); |
|
| 203 |
+ break; |
|
| 204 |
+ case 2: |
|
| 205 |
+ value = READ16LE(((u16 *)&workRAM[address & 0x3FFFE])); |
|
| 206 |
+ break; |
|
| 207 |
+ case 3: |
|
| 208 |
+ value = READ16LE(((u16 *)&internalRAM[address & 0x7ffe])); |
|
| 209 |
+ break; |
|
| 210 |
+ case 4: |
|
| 211 |
+ if((address < 0x4000400) && ioReadable[address & 0x3fe]) |
|
| 212 |
+ {
|
|
| 213 |
+ value = READ16LE(((u16 *)&ioMem[address & 0x3fe])); |
|
| 214 |
+ if (((address & 0x3fe)>0xFF) && ((address & 0x3fe)<0x10E)) |
|
| 215 |
+ {
|
|
| 216 |
+ if (((address & 0x3fe) == 0x100) && timer0On) |
|
| 217 |
+ value = 0xFFFF - ((timer0Ticks-cpuTotalTicks) >> timer0ClockReload); |
|
| 218 |
+ else |
|
| 219 |
+ if (((address & 0x3fe) == 0x104) && timer1On && !(TM1CNT & 4)) |
|
| 220 |
+ value = 0xFFFF - ((timer1Ticks-cpuTotalTicks) >> timer1ClockReload); |
|
| 221 |
+ else |
|
| 222 |
+ if (((address & 0x3fe) == 0x108) && timer2On && !(TM2CNT & 4)) |
|
| 223 |
+ value = 0xFFFF - ((timer2Ticks-cpuTotalTicks) >> timer2ClockReload); |
|
| 224 |
+ else |
|
| 225 |
+ if (((address & 0x3fe) == 0x10C) && timer3On && !(TM3CNT & 4)) |
|
| 226 |
+ value = 0xFFFF - ((timer3Ticks-cpuTotalTicks) >> timer3ClockReload); |
|
| 227 |
+ } |
|
| 228 |
+ } |
|
| 229 |
+ else goto unreadable; |
|
| 230 |
+ break; |
|
| 231 |
+ case 5: |
|
| 232 |
+ value = READ16LE(((u16 *)&paletteRAM[address & 0x3fe])); |
|
| 233 |
+ break; |
|
| 234 |
+ case 6: |
|
| 235 |
+ address = (address & 0x1fffe); |
|
| 236 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 237 |
+ {
|
|
| 238 |
+ value = 0; |
|
| 239 |
+ break; |
|
| 240 |
+ } |
|
| 241 |
+ if ((address & 0x18000) == 0x18000) |
|
| 242 |
+ address &= 0x17fff; |
|
| 243 |
+ value = READ16LE(((u16 *)&vram[address])); |
|
| 244 |
+ break; |
|
| 245 |
+ case 7: |
|
| 246 |
+ value = READ16LE(((u16 *)&oam[address & 0x3fe])); |
|
| 247 |
+ break; |
|
| 248 |
+ case 8: |
|
| 249 |
+ case 9: |
|
| 250 |
+ case 10: |
|
| 251 |
+ case 11: |
|
| 252 |
+ case 12: |
|
| 253 |
+ if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) |
|
| 254 |
+ value = /*rtcRead(address)*/0; |
|
| 255 |
+ else |
|
| 256 |
+ value = READ16LE(((u16 *)&rom[address & 0x1FFFFFE])); |
|
| 257 |
+ break; |
|
| 258 |
+ case 13: |
|
| 259 |
+ if(cpuEEPROMEnabled) |
|
| 260 |
+ // no need to swap this |
|
| 261 |
+ return /*eepromRead(address)*/0; |
|
| 262 |
+ goto unreadable; |
|
| 263 |
+ case 14: |
|
| 264 |
+ if(cpuFlashEnabled | cpuSramEnabled) |
|
| 265 |
+ // no need to swap this |
|
| 266 |
+ return /*flashRead(address)*/0; |
|
| 267 |
+ // default |
|
| 268 |
+ default: |
|
| 269 |
+unreadable: |
|
| 270 |
+#ifdef GBA_LOGGING |
|
| 271 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 272 |
+ log("Illegal halfword read: %08x at %08x\n", address, armMode ?
|
|
| 273 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 274 |
+ } |
|
| 275 |
+#endif |
|
| 276 |
+ if(cpuDmaHack) {
|
|
| 277 |
+ value = cpuDmaLast & 0xFFFF; |
|
| 278 |
+ } else {
|
|
| 279 |
+ if(armState) {
|
|
| 280 |
+ value = CPUReadHalfWordQuick(reg[15].I + (address & 2)); |
|
| 281 |
+ } else {
|
|
| 282 |
+ value = CPUReadHalfWordQuick(reg[15].I); |
|
| 283 |
+ } |
|
| 284 |
+ } |
|
| 285 |
+ break; |
|
| 286 |
+ } |
|
| 287 |
+ |
|
| 288 |
+ if(address & 1) {
|
|
| 289 |
+ value = (value >> 8) | (value << 24); |
|
| 290 |
+ } |
|
| 291 |
+ |
|
| 292 |
+ return value; |
|
| 293 |
+} |
|
| 294 |
+ |
|
| 295 |
+static inline u16 CPUReadHalfWordSigned(u32 address) |
|
| 296 |
+{
|
|
| 297 |
+ u16 value = CPUReadHalfWord(address); |
|
| 298 |
+ if((address & 1)) |
|
| 299 |
+ value = (s8)value; |
|
| 300 |
+ return value; |
|
| 301 |
+} |
|
| 302 |
+ |
|
| 303 |
+static inline u8 CPUReadByte(u32 address) |
|
| 304 |
+{
|
|
| 305 |
+ switch(address >> 24) {
|
|
| 306 |
+ case 0: |
|
| 307 |
+ if (reg[15].I >> 24) {
|
|
| 308 |
+ if(address < 0x4000) {
|
|
| 309 |
+#ifdef GBA_LOGGING |
|
| 310 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 311 |
+ log("Illegal byte read: %08x at %08x\n", address, armMode ?
|
|
| 312 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 313 |
+ } |
|
| 314 |
+#endif |
|
| 315 |
+ return biosProtected[address & 3]; |
|
| 316 |
+ } else goto unreadable; |
|
| 317 |
+ } |
|
| 318 |
+ return bios[address & 0x3FFF]; |
|
| 319 |
+ case 2: |
|
| 320 |
+ return workRAM[address & 0x3FFFF]; |
|
| 321 |
+ case 3: |
|
| 322 |
+ return internalRAM[address & 0x7fff]; |
|
| 323 |
+ case 4: |
|
| 324 |
+ if((address < 0x4000400) && ioReadable[address & 0x3ff]) |
|
| 325 |
+ return ioMem[address & 0x3ff]; |
|
| 326 |
+ else goto unreadable; |
|
| 327 |
+ case 5: |
|
| 328 |
+ return paletteRAM[address & 0x3ff]; |
|
| 329 |
+ case 6: |
|
| 330 |
+ address = (address & 0x1ffff); |
|
| 331 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 332 |
+ return 0; |
|
| 333 |
+ if ((address & 0x18000) == 0x18000) |
|
| 334 |
+ address &= 0x17fff; |
|
| 335 |
+ return vram[address]; |
|
| 336 |
+ case 7: |
|
| 337 |
+ return oam[address & 0x3ff]; |
|
| 338 |
+ case 8: |
|
| 339 |
+ case 9: |
|
| 340 |
+ case 10: |
|
| 341 |
+ case 11: |
|
| 342 |
+ case 12: |
|
| 343 |
+ return rom[address & 0x1FFFFFF]; |
|
| 344 |
+ case 13: |
|
| 345 |
+ if(cpuEEPROMEnabled) |
|
| 346 |
+ return /*eepromRead(address)*/0; |
|
| 347 |
+ goto unreadable; |
|
| 348 |
+ case 14: |
|
| 349 |
+ if(cpuSramEnabled | cpuFlashEnabled) |
|
| 350 |
+ return /*flashRead(address)*/0; |
|
| 351 |
+ if(cpuEEPROMSensorEnabled) {
|
|
| 352 |
+ switch(address & 0x00008f00) {
|
|
| 353 |
+ case 0x8200: |
|
| 354 |
+ return /*systemGetSensorX() & 255*/0; |
|
| 355 |
+ case 0x8300: |
|
| 356 |
+ return /*(systemGetSensorX() >> 8)|0x80*/0; |
|
| 357 |
+ case 0x8400: |
|
| 358 |
+ return /*systemGetSensorY() & 255*/0; |
|
| 359 |
+ case 0x8500: |
|
| 360 |
+ return /*systemGetSensorY() >> 8*/0; |
|
| 361 |
+ } |
|
| 362 |
+ } |
|
| 363 |
+ // default |
|
| 364 |
+ default: |
|
| 365 |
+unreadable: |
|
| 366 |
+#ifdef GBA_LOGGING |
|
| 367 |
+ if(systemVerbose & VERBOSE_ILLEGAL_READ) {
|
|
| 368 |
+ log("Illegal byte read: %08x at %08x\n", address, armMode ?
|
|
| 369 |
+ armNextPC - 4 : armNextPC - 2); |
|
| 370 |
+ } |
|
| 371 |
+#endif |
|
| 372 |
+ if(cpuDmaHack) {
|
|
| 373 |
+ return cpuDmaLast & 0xFF; |
|
| 374 |
+ } else {
|
|
| 375 |
+ if(armState) {
|
|
| 376 |
+ return CPUReadByteQuick(reg[15].I+(address & 3)); |
|
| 377 |
+ } else {
|
|
| 378 |
+ return CPUReadByteQuick(reg[15].I+(address & 1)); |
|
| 379 |
+ } |
|
| 380 |
+ } |
|
| 381 |
+ break; |
|
| 382 |
+ } |
|
| 383 |
+} |
|
| 384 |
+ |
|
| 385 |
+static inline void CPUWriteMemory(u32 address, u32 value) |
|
| 386 |
+{
|
|
| 387 |
+ |
|
| 388 |
+#ifdef GBA_LOGGING |
|
| 389 |
+ if(address & 3) {
|
|
| 390 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 391 |
+ log("Unaligned word write: %08x to %08x from %08x\n",
|
|
| 392 |
+ value, |
|
| 393 |
+ address, |
|
| 394 |
+ armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 395 |
+ } |
|
| 396 |
+ } |
|
| 397 |
+#endif |
|
| 398 |
+ |
|
| 399 |
+ switch(address >> 24) {
|
|
| 400 |
+ case 0x02: |
|
| 401 |
+#ifdef BKPT_SUPPORT |
|
| 402 |
+ if(*((u32 *)&freezeWorkRAM[address & 0x3FFFC])) |
|
| 403 |
+ cheatsWriteMemory(address & 0x203FFFC, |
|
| 404 |
+ value); |
|
| 405 |
+ else |
|
| 406 |
+#endif |
|
| 407 |
+ WRITE32LE(((u32 *)&workRAM[address & 0x3FFFC]), value); |
|
| 408 |
+ break; |
|
| 409 |
+ case 0x03: |
|
| 410 |
+#ifdef BKPT_SUPPORT |
|
| 411 |
+ if(*((u32 *)&freezeInternalRAM[address & 0x7ffc])) |
|
| 412 |
+ cheatsWriteMemory(address & 0x3007FFC, |
|
| 413 |
+ value); |
|
| 414 |
+ else |
|
| 415 |
+#endif |
|
| 416 |
+ WRITE32LE(((u32 *)&internalRAM[address & 0x7ffC]), value); |
|
| 417 |
+ break; |
|
| 418 |
+ case 0x04: |
|
| 419 |
+ if(address < 0x4000400) {
|
|
| 420 |
+ CPUUpdateRegister((address & 0x3FC), value & 0xFFFF); |
|
| 421 |
+ CPUUpdateRegister((address & 0x3FC) + 2, (value >> 16)); |
|
| 422 |
+ } else goto unwritable; |
|
| 423 |
+ break; |
|
| 424 |
+ case 0x05: |
|
| 425 |
+#ifdef BKPT_SUPPORT |
|
| 426 |
+ if(*((u32 *)&freezePRAM[address & 0x3fc])) |
|
| 427 |
+ cheatsWriteMemory(address & 0x70003FC, |
|
| 428 |
+ value); |
|
| 429 |
+ else |
|
| 430 |
+#endif |
|
| 431 |
+ WRITE32LE(((u32 *)&paletteRAM[address & 0x3FC]), value); |
|
| 432 |
+ break; |
|
| 433 |
+ case 0x06: |
|
| 434 |
+ address = (address & 0x1fffc); |
|
| 435 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 436 |
+ return; |
|
| 437 |
+ if ((address & 0x18000) == 0x18000) |
|
| 438 |
+ address &= 0x17fff; |
|
| 439 |
+ |
|
| 440 |
+#ifdef BKPT_SUPPORT |
|
| 441 |
+ if(*((u32 *)&freezeVRAM[address])) |
|
| 442 |
+ cheatsWriteMemory(address + 0x06000000, value); |
|
| 443 |
+ else |
|
| 444 |
+#endif |
|
| 445 |
+ |
|
| 446 |
+ WRITE32LE(((u32 *)&vram[address]), value); |
|
| 447 |
+ break; |
|
| 448 |
+ case 0x07: |
|
| 449 |
+#ifdef BKPT_SUPPORT |
|
| 450 |
+ if(*((u32 *)&freezeOAM[address & 0x3fc])) |
|
| 451 |
+ cheatsWriteMemory(address & 0x70003FC, |
|
| 452 |
+ value); |
|
| 453 |
+ else |
|
| 454 |
+#endif |
|
| 455 |
+ WRITE32LE(((u32 *)&oam[address & 0x3fc]), value); |
|
| 456 |
+ break; |
|
| 457 |
+ case 0x0D: |
|
| 458 |
+ if(cpuEEPROMEnabled) {
|
|
| 459 |
+ //eepromWrite(address, value); |
|
| 460 |
+ break; |
|
| 461 |
+ } |
|
| 462 |
+ goto unwritable; |
|
| 463 |
+ case 0x0E: |
|
| 464 |
+ if(/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled) {
|
|
| 465 |
+ //(*cpuSaveGameFunc)(address, (u8)value); |
|
| 466 |
+ break; |
|
| 467 |
+ } |
|
| 468 |
+ // default |
|
| 469 |
+ default: |
|
| 470 |
+unwritable: |
|
| 471 |
+#ifdef GBA_LOGGING |
|
| 472 |
+ if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 473 |
+ log("Illegal word write: %08x to %08x from %08x\n",
|
|
| 474 |
+ value, |
|
| 475 |
+ address, |
|
| 476 |
+ armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 477 |
+ } |
|
| 478 |
+#endif |
|
| 479 |
+ break; |
|
| 480 |
+ } |
|
| 481 |
+} |
|
| 482 |
+ |
|
| 483 |
+static inline void CPUWriteHalfWord(u32 address, u16 value) |
|
| 484 |
+{
|
|
| 485 |
+#ifdef GBA_LOGGING |
|
| 486 |
+ if(address & 1) {
|
|
| 487 |
+ if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) {
|
|
| 488 |
+ log("Unaligned halfword write: %04x to %08x from %08x\n",
|
|
| 489 |
+ value, |
|
| 490 |
+ address, |
|
| 491 |
+ armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 492 |
+ } |
|
| 493 |
+ } |
|
| 494 |
+#endif |
|
| 495 |
+ |
|
| 496 |
+ switch(address >> 24) {
|
|
| 497 |
+ case 2: |
|
| 498 |
+#ifdef BKPT_SUPPORT |
|
| 499 |
+ if(*((u16 *)&freezeWorkRAM[address & 0x3FFFE])) |
|
| 500 |
+ cheatsWriteHalfWord(address & 0x203FFFE, |
|
| 501 |
+ value); |
|
| 502 |
+ else |
|
| 503 |
+#endif |
|
| 504 |
+ WRITE16LE(((u16 *)&workRAM[address & 0x3FFFE]),value); |
|
| 505 |
+ break; |
|
| 506 |
+ case 3: |
|
| 507 |
+#ifdef BKPT_SUPPORT |
|
| 508 |
+ if(*((u16 *)&freezeInternalRAM[address & 0x7ffe])) |
|
| 509 |
+ cheatsWriteHalfWord(address & 0x3007ffe, |
|
| 510 |
+ value); |
|
| 511 |
+ else |
|
| 512 |
+#endif |
|
| 513 |
+ WRITE16LE(((u16 *)&internalRAM[address & 0x7ffe]), value); |
|
| 514 |
+ break; |
|
| 515 |
+ case 4: |
|
| 516 |
+ if(address < 0x4000400) |
|
| 517 |
+ CPUUpdateRegister(address & 0x3fe, value); |
|
| 518 |
+ else goto unwritable; |
|
| 519 |
+ break; |
|
| 520 |
+ case 5: |
|
| 521 |
+#ifdef BKPT_SUPPORT |
|
| 522 |
+ if(*((u16 *)&freezePRAM[address & 0x03fe])) |
|
| 523 |
+ cheatsWriteHalfWord(address & 0x70003fe, |
|
| 524 |
+ value); |
|
| 525 |
+ else |
|
| 526 |
+#endif |
|
| 527 |
+ WRITE16LE(((u16 *)&paletteRAM[address & 0x3fe]), value); |
|
| 528 |
+ break; |
|
| 529 |
+ case 6: |
|
| 530 |
+ address = (address & 0x1fffe); |
|
| 531 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 532 |
+ return; |
|
| 533 |
+ if ((address & 0x18000) == 0x18000) |
|
| 534 |
+ address &= 0x17fff; |
|
| 535 |
+#ifdef BKPT_SUPPORT |
|
| 536 |
+ if(*((u16 *)&freezeVRAM[address])) |
|
| 537 |
+ cheatsWriteHalfWord(address + 0x06000000, |
|
| 538 |
+ value); |
|
| 539 |
+ else |
|
| 540 |
+#endif |
|
| 541 |
+ WRITE16LE(((u16 *)&vram[address]), value); |
|
| 542 |
+ break; |
|
| 543 |
+ case 7: |
|
| 544 |
+#ifdef BKPT_SUPPORT |
|
| 545 |
+ if(*((u16 *)&freezeOAM[address & 0x03fe])) |
|
| 546 |
+ cheatsWriteHalfWord(address & 0x70003fe, |
|
| 547 |
+ value); |
|
| 548 |
+ else |
|
| 549 |
+#endif |
|
| 550 |
+ WRITE16LE(((u16 *)&oam[address & 0x3fe]), value); |
|
| 551 |
+ break; |
|
| 552 |
+ case 8: |
|
| 553 |
+ case 9: |
|
| 554 |
+ /* if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) {
|
|
| 555 |
+ if(!rtcWrite(address, value)) |
|
| 556 |
+ goto unwritable; |
|
| 557 |
+ } else if(!agbPrintWrite(address, value)) goto unwritable;*/ |
|
| 558 |
+ break; |
|
| 559 |
+ case 13: |
|
| 560 |
+ if(cpuEEPROMEnabled) {
|
|
| 561 |
+ //eepromWrite(address, (u8)value); |
|
| 562 |
+ break; |
|
| 563 |
+ } |
|
| 564 |
+ goto unwritable; |
|
| 565 |
+ case 14: |
|
| 566 |
+ if(/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled) {
|
|
| 567 |
+ //(*cpuSaveGameFunc)(address, (u8)value); |
|
| 568 |
+ break; |
|
| 569 |
+ } |
|
| 570 |
+ goto unwritable; |
|
| 571 |
+ default: |
|
| 572 |
+unwritable: |
|
| 573 |
+#ifdef GBA_LOGGING |
|
| 574 |
+ if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 575 |
+ log("Illegal halfword write: %04x to %08x from %08x\n",
|
|
| 576 |
+ value, |
|
| 577 |
+ address, |
|
| 578 |
+ armMode ? armNextPC - 4 : armNextPC - 2); |
|
| 579 |
+ } |
|
| 580 |
+#endif |
|
| 581 |
+ break; |
|
| 582 |
+ } |
|
| 583 |
+} |
|
| 584 |
+ |
|
| 585 |
+static inline void CPUWriteByte(u32 address, u8 b) |
|
| 586 |
+{
|
|
| 587 |
+ switch(address >> 24) {
|
|
| 588 |
+ case 2: |
|
| 589 |
+#ifdef BKPT_SUPPORT |
|
| 590 |
+ if(freezeWorkRAM[address & 0x3FFFF]) |
|
| 591 |
+ cheatsWriteByte(address & 0x203FFFF, b); |
|
| 592 |
+ else |
|
| 593 |
+#endif |
|
| 594 |
+ workRAM[address & 0x3FFFF] = b; |
|
| 595 |
+ break; |
|
| 596 |
+ case 3: |
|
| 597 |
+#ifdef BKPT_SUPPORT |
|
| 598 |
+ if(freezeInternalRAM[address & 0x7fff]) |
|
| 599 |
+ cheatsWriteByte(address & 0x3007fff, b); |
|
| 600 |
+ else |
|
| 601 |
+#endif |
|
| 602 |
+ internalRAM[address & 0x7fff] = b; |
|
| 603 |
+ break; |
|
| 604 |
+ case 4: |
|
| 605 |
+ if(address < 0x4000400) {
|
|
| 606 |
+ switch(address & 0x3FF) {
|
|
| 607 |
+ case 0x60: |
|
| 608 |
+ case 0x61: |
|
| 609 |
+ case 0x62: |
|
| 610 |
+ case 0x63: |
|
| 611 |
+ case 0x64: |
|
| 612 |
+ case 0x65: |
|
| 613 |
+ case 0x68: |
|
| 614 |
+ case 0x69: |
|
| 615 |
+ case 0x6c: |
|
| 616 |
+ case 0x6d: |
|
| 617 |
+ case 0x70: |
|
| 618 |
+ case 0x71: |
|
| 619 |
+ case 0x72: |
|
| 620 |
+ case 0x73: |
|
| 621 |
+ case 0x74: |
|
| 622 |
+ case 0x75: |
|
| 623 |
+ case 0x78: |
|
| 624 |
+ case 0x79: |
|
| 625 |
+ case 0x7c: |
|
| 626 |
+ case 0x7d: |
|
| 627 |
+ case 0x80: |
|
| 628 |
+ case 0x81: |
|
| 629 |
+ case 0x84: |
|
| 630 |
+ case 0x85: |
|
| 631 |
+ case 0x90: |
|
| 632 |
+ case 0x91: |
|
| 633 |
+ case 0x92: |
|
| 634 |
+ case 0x93: |
|
| 635 |
+ case 0x94: |
|
| 636 |
+ case 0x95: |
|
| 637 |
+ case 0x96: |
|
| 638 |
+ case 0x97: |
|
| 639 |
+ case 0x98: |
|
| 640 |
+ case 0x99: |
|
| 641 |
+ case 0x9a: |
|
| 642 |
+ case 0x9b: |
|
| 643 |
+ case 0x9c: |
|
| 644 |
+ case 0x9d: |
|
| 645 |
+ case 0x9e: |
|
| 646 |
+ case 0x9f: |
|
| 647 |
+ soundEvent(address&0xFF, b); |
|
| 648 |
+ break; |
|
| 649 |
+ case 0x301: // HALTCNT, undocumented |
|
| 650 |
+ if(b == 0x80) |
|
| 651 |
+ stopState = true; |
|
| 652 |
+ holdState = 1; |
|
| 653 |
+ holdType = -1; |
|
| 654 |
+ cpuNextEvent = cpuTotalTicks; |
|
| 655 |
+ break; |
|
| 656 |
+ default: // every other register |
|
| 657 |
+ u32 lowerBits = address & 0x3fe; |
|
| 658 |
+ if(address & 1) {
|
|
| 659 |
+ CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0x00FF) | (b << 8)); |
|
| 660 |
+ } else {
|
|
| 661 |
+ CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0xFF00) | b); |
|
| 662 |
+ } |
|
| 663 |
+ } |
|
| 664 |
+ break; |
|
| 665 |
+ } else goto unwritable; |
|
| 666 |
+ break; |
|
| 667 |
+ case 5: |
|
| 668 |
+ // no need to switch |
|
| 669 |
+ *((u16 *)&paletteRAM[address & 0x3FE]) = (b << 8) | b; |
|
| 670 |
+ break; |
|
| 671 |
+ case 6: |
|
| 672 |
+ address = (address & 0x1fffe); |
|
| 673 |
+ if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) |
|
| 674 |
+ return; |
|
| 675 |
+ if ((address & 0x18000) == 0x18000) |
|
| 676 |
+ address &= 0x17fff; |
|
| 677 |
+ |
|
| 678 |
+ // no need to switch |
|
| 679 |
+ // byte writes to OBJ VRAM are ignored |
|
| 680 |
+ if ((address) < objTilesAddress[((DISPCNT&7)+1)>>2]) |
|
| 681 |
+ {
|
|
| 682 |
+#ifdef BKPT_SUPPORT |
|
| 683 |
+ if(freezeVRAM[address]) |
|
| 684 |
+ cheatsWriteByte(address + 0x06000000, b); |
|
| 685 |
+ else |
|
| 686 |
+#endif |
|
| 687 |
+ *((u16 *)&vram[address]) = (b << 8) | b; |
|
| 688 |
+ } |
|
| 689 |
+ break; |
|
| 690 |
+ case 7: |
|
| 691 |
+ // no need to switch |
|
| 692 |
+ // byte writes to OAM are ignored |
|
| 693 |
+ // *((u16 *)&oam[address & 0x3FE]) = (b << 8) | b; |
|
| 694 |
+ break; |
|
| 695 |
+ case 13: |
|
| 696 |
+ if(cpuEEPROMEnabled) {
|
|
| 697 |
+ //eepromWrite(address, b); |
|
| 698 |
+ break; |
|
| 699 |
+ } |
|
| 700 |
+ goto unwritable; |
|
| 701 |
+ case 14: |
|
| 702 |
+ if ((saveType != 5) && (/*(!eepromInUse) | */cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 703 |
+ |
|
| 704 |
+ //if(!cpuEEPROMEnabled && (cpuSramEnabled | cpuFlashEnabled)) {
|
|
| 705 |
+ |
|
| 706 |
+ //(*cpuSaveGameFunc)(address, b); |
|
| 707 |
+ break; |
|
| 708 |
+ } |
|
| 709 |
+ // default |
|
| 710 |
+ default: |
|
| 711 |
+unwritable: |
|
| 712 |
+#ifdef GBA_LOGGING |
|
| 713 |
+ if(systemVerbose & VERBOSE_ILLEGAL_WRITE) {
|
|
| 714 |
+ log("Illegal byte write: %02x to %08x from %08x\n",
|
|
| 715 |
+ b, |
|
| 716 |
+ address, |
|
| 717 |
+ armMode ? armNextPC - 4 : armNextPC -2 ); |
|
| 718 |
+ } |
|
| 719 |
+#endif |
|
| 720 |
+ break; |
|
| 721 |
+ } |
|
| 722 |
+} |
|
| 723 |
+ |
|
| 724 |
+#endif // GBAINLINE_H |