return ret == 0;
}
-/* cheats - TODO */
+typedef struct patch
+{
+ unsigned int addr;
+ unsigned short data;
+ unsigned char comp;
+} patch;
+
+extern void decode(char *buff, patch *dest);
+extern uint16_t m68k_read16(uint32_t a);
+extern void m68k_write16(uint32_t a, uint16_t d);
void retro_cheat_reset(void)
{
for (i = 0; i < PicoPatchCount; i++)
{
addr = PicoPatches[i].addr;
- if (addr < Pico.romsize)
+ if (addr < Pico.romsize) {
if (PicoPatches[i].active)
*(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old;
- else
+ } else {
if (PicoPatches[i].active)
m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
+ }
}
PicoPatchUnload();
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
- struct patch
- {
- unsigned int addr;
- unsigned short data;
- } pt;
- int array_len = 0;
+ patch pt;
+ int array_len = PicoPatchCount;
+ char codeCopy[256];
char *buff;
- bool multiline=0;
-
- //TODO: Split multi-line codes properly
- if (strstr(code,"+")){
- multiline=1;
- buff = strtok(code,"+");
- } else {
- buff=code;
- }
+
+ if (code=='\0') return;
+ strcpy(codeCopy,code);
+ buff = strtok(codeCopy,"+");
while (buff != NULL)
{
decode(buff, &pt);
- if (pt.addr == (unsigned int)-1 || pt.data == (unsigned short)-1)
+ if (pt.addr == (uint32_t) -1 || pt.data == (uint16_t) -1)
{
log_cb(RETRO_LOG_ERROR,"CHEATS: Invalid code: %s\n",buff);
return;
}
strcpy(PicoPatches[PicoPatchCount].code, buff);
- PicoPatches[PicoPatchCount].name[51] = "";
PicoPatches[PicoPatchCount].active = enabled;
PicoPatches[PicoPatchCount].addr = pt.addr;
PicoPatches[PicoPatchCount].data = pt.data;
+ PicoPatches[PicoPatchCount].comp = pt.comp;
if (PicoPatches[PicoPatchCount].addr < Pico.romsize)
- PicoPatches[PicoPatchCount].data_old = *(unsigned short *)(Pico.rom + PicoPatches[PicoPatchCount].addr);
+ PicoPatches[PicoPatchCount].data_old = *(uint16_t *)(Pico.rom + PicoPatches[PicoPatchCount].addr);
else
- PicoPatches[PicoPatchCount].data_old = (unsigned short) m68k_read16(PicoPatches[PicoPatchCount].addr);
+ PicoPatches[PicoPatchCount].data_old = (uint16_t) m68k_read16(PicoPatches[PicoPatchCount].addr);
PicoPatchCount++;
- if (!multiline)
- break;
+ buff = strtok(NULL,"+");
}
}
break;
case RETRO_MEMORY_SYSTEM_RAM:
if (PicoAHW & PAHW_SMS)
- data = Pico.vramb;
+ data = Pico.zram;
else
data = Pico.ram;
break;
case RETRO_MEMORY_SYSTEM_RAM:
if (PicoAHW & PAHW_SMS)
- return sizeof(Pico.vramb);
+ return 0x2000;
else
return sizeof(Pico.ram);