\r
static char *rom_exts[] = { "bin", "gen", "smd", "iso" };\r
\r
+void (*PicoCartUnloadHook)(void) = NULL;\r
+\r
void (*PicoCartLoadProgressCB)(int percent) = NULL;\r
void (*PicoCDLoadProgressCB)(int percent) = NULL; // handled in Pico/cd/cd_file.c\r
\r
+static void PicoCartDetect(void);\r
+\r
/* cso struct */\r
typedef struct _cso_struct\r
{\r
if (f == NULL)\r
goto cso_failed;\r
\r
+ /* we use our own buffering */\r
+ setvbuf(f, NULL, _IONBF, 0);\r
+\r
cso = malloc(sizeof(*cso));\r
if (cso == NULL)\r
goto cso_failed;\r
file->size = ftell(f);\r
file->type = PMT_UNCOMPRESSED;\r
fseek(f, 0, SEEK_SET);\r
+\r
return file;\r
}\r
\r
int alloc_size;\r
unsigned char *rom;\r
\r
- if (PicoMCD & 1) return cd_realloc(NULL, filesize);\r
+ if (PicoAHW & PAHW_MCD) return cd_realloc(NULL, filesize);\r
\r
alloc_size=filesize+0x7ffff;\r
if((filesize&0x3fff)==0x200) alloc_size-=0x200;\r
}\r
\r
// maybe we are loading MegaCD BIOS?\r
- if (!(PicoMCD&1) && size == 0x20000 && (!strncmp((char *)rom+0x124, "BOOT", 4) || !strncmp((char *)rom+0x128, "BOOT", 4))) {\r
- PicoMCD |= 1;\r
+ if (!(PicoAHW & PAHW_MCD) && size == 0x20000 && (!strncmp((char *)rom+0x124, "BOOT", 4) ||\r
+ !strncmp((char *)rom+0x128, "BOOT", 4))) {\r
+ PicoAHW |= PAHW_MCD;\r
rom = cd_realloc(rom, size);\r
}\r
\r
// Check for SMD:\r
- if ((size&0x3fff)==0x200) { DecodeSmd(rom,size); size-=0x200; } // Decode and byteswap SMD\r
+ if (size >= 0x4200 && (size&0x3fff)==0x200 &&\r
+ ((rom[0x2280] == 'S' && rom[0x280] == 'E') || (rom[0x280] == 'S' && rom[0x2281] == 'E'))) {\r
+ DecodeSmd(rom,size); size-=0x200; // Decode and byteswap SMD\r
+ }\r
else Byteswap(rom,size); // Just byteswap\r
\r
if (prom) *prom=rom;\r
return 0;\r
}\r
\r
-// Insert/remove a cartridge:\r
+// Insert a cartridge:\r
int PicoCartInsert(unsigned char *rom,unsigned int romsize)\r
{\r
// notaz: add a 68k "jump one op back" opcode to the end of ROM.\r
// This will hang the emu, but will prevent nasty crashes.\r
// note: 4 bytes are padded to every ROM\r
- if(rom != NULL)\r
+ if (rom != NULL)\r
*(unsigned long *)(rom+romsize) = 0xFFFE4EFA; // 4EFA FFFE byteswapped\r
\r
Pico.rom=rom;\r
Pico.romsize=romsize;\r
\r
- // setup correct memory map for loaded ROM\r
- if (PicoMCD & 1)\r
- PicoMemSetupCD();\r
- else PicoMemSetup();\r
+ if (SRam.data) {\r
+ free(SRam.data);\r
+ SRam.data = NULL;\r
+ }\r
+\r
+ if (PicoCartUnloadHook != NULL) {\r
+ PicoCartUnloadHook();\r
+ PicoCartUnloadHook = NULL;\r
+ }\r
+\r
+ PicoAHW &= PAHW_MCD;\r
+\r
+ PicoMemResetHooks();\r
+ PicoDmaHook = NULL;\r
+ PicoResetHook = NULL;\r
+ PicoLineHook = NULL;\r
+ PicoLoadStateHook = NULL;\r
+ carthw_chunks = NULL;\r
+\r
PicoMemReset();\r
\r
- if (!(PicoMCD & 1))\r
+ if (!(PicoAHW & PAHW_MCD))\r
PicoCartDetect();\r
\r
- return PicoReset(1);\r
+ // setup correct memory map for loaded ROM\r
+ // call PicoMemReset again due to possible memmap change\r
+ switch (PicoAHW) {\r
+ default:\r
+ elprintf(EL_STATUS|EL_ANOMALY, "starting in unknown hw configuration: %x", PicoAHW);\r
+ case 0:\r
+ case PAHW_SVP: PicoMemSetup(); break;\r
+ case PAHW_MCD: PicoMemSetupCD(); break;\r
+ case PAHW_PICO: PicoMemSetupPico(); break;\r
+ }\r
+ PicoMemReset();\r
+\r
+ PicoPower();\r
+ return 0;\r
}\r
\r
-int PicoUnloadCart(unsigned char* romdata)\r
+void PicoCartUnload(void)\r
{\r
- free(romdata);\r
- return 0;\r
+ if (Pico.rom != NULL) {\r
+ SekFinishIdleDet();\r
+ free(Pico.rom);\r
+ Pico.rom=NULL;\r
+ }\r
}\r
\r
static int rom_strcmp(int rom_offset, const char *s1)\r
return rom_strcmp(0x150, name);\r
}\r
\r
-/* various cart-specific things, which can't be handled by generic code */\r
-void PicoCartDetect(void)\r
+/*\r
+ * various cart-specific things, which can't be handled by generic code\r
+ * (maybe I should start using CRC for this stuff?)\r
+ */\r
+static void PicoCartDetect(void)\r
{\r
int sram_size = 0, csum;\r
- if(SRam.data) free(SRam.data); SRam.data=0;\r
Pico.m.sram_reg = 0;\r
\r
csum = PicoRead32(0x18c) & 0xffff;\r
sram_size = 0x004000;\r
}\r
\r
+ // this game actually doesn't have SRAM, but some weird protection\r
+ if (rom_strcmp(0x120, "PUGGSY") == 0)\r
+ {\r
+ SRam.start = SRam.end = sram_size = 0;\r
+ }\r
+\r
if (sram_size)\r
{\r
SRam.data = (unsigned char *) calloc(sram_size, 1);\r
- if(!SRam.data) return;\r
+ if (SRam.data == NULL) return;\r
}\r
SRam.changed = 0;\r
\r
SRam.eeprom_bit_out= 7;\r
}\r
\r
+ // SVP detection\r
+ else if (name_cmp("Virtua Racing") == 0 ||\r
+ name_cmp("VIRTUA RACING") == 0)\r
+ {\r
+ PicoSVPStartup();\r
+ }\r
+\r
+ // Pico\r
+ else if (rom_strcmp(0x100, "SEGA PICO") == 0 ||\r
+ rom_strcmp(0x100, "IMA IKUNOUJYUKU") == 0) // what is that supposed to mean?\r
+ {\r
+ PicoInitPico();\r
+ }\r
+\r
+ // Detect 12-in-1 mapper\r
+ else if ((name_cmp("ROBOCOP 3") == 0 && Pico.romsize == 0x200000) ||\r
+ (rom_strcmp(0x160, "FLICKY") == 0 && Pico.romsize >= 0x200000) ||\r
+ (name_cmp(" SHOVE IT!") == 0 && Pico.romsize >= 0x200000) ||\r
+ (name_cmp("MS PACMAN") == 0 && Pico.romsize >= 0x200000)) // bad dump?\r
+ {\r
+ carthw_12in1_startup();\r
+ }\r
+\r
+ // Realtec mapper\r
+ else if (Pico.romsize == 512*1024 && (\r
+ rom_strcmp(0x94, "THE EARTH DEFEND") == 0 ||\r
+ rom_strcmp(0xfe, "WISEGAME 11-03-1993") == 0 || // Funny World\r
+ rom_strcmp(0x95, "MALLET LEGEND ") == 0)) // Whac-A-Critter\r
+ {\r
+ carthw_realtec_startup();\r
+ }\r
+\r
+ // Radica mapper\r
+ else if (name_cmp("KID CHAMELEON") == 0 && Pico.romsize > 0x100000)\r
+ {\r
+ carthw_radica_startup();\r
+ }\r
+\r
// Some games malfunction if SRAM is not filled with 0xff\r
if (name_cmp("DINO DINI'S SOCCER") == 0 ||\r
name_cmp("MICRO MACHINES II") == 0)\r
+ {\r
memset(SRam.data, 0xff, sram_size);\r
+ }\r
\r
// Unusual region 'code'\r
- if (rom_strcmp(0x1f0, "EUROPE") == 0)\r
+ if (rom_strcmp(0x1f0, "EUROPE") == 0 || rom_strcmp(0x1f0, "Europe") == 0)\r
*(int *) (Pico.rom+0x1f0) = 0x20204520;\r
-\r
- // SVP detection\r
- if (name_cmp("Virtua Racing") == 0)\r
- {\r
- PicoSVPInit();\r
- PicoRead16Hook = PicoSVPRead16;\r
- PicoWrite8Hook = PicoSVPWrite8;\r
- }\r
}\r
\r
notaz.gp2x.de / picodrive.git / blobdiff