X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FCart.c;h=a0d38a0bd91ae2a6a569ea1a7e1c9619856b81c6;hb=d95259bdaaf911218656d8a74b096ff7306034f6;hp=fadf5580eea99093a0c2c2705e8447455d0508e4;hpb=d6114368e1ee2cc4e6f0eb2785a1fce626987897;p=picodrive.git

diff --git a/Pico/Cart.c b/Pico/Cart.c
index fadf558..a0d38a0 100644
--- a/Pico/Cart.c
+++ b/Pico/Cart.c
@@ -137,6 +137,9 @@ zip_failed:
     if (f == NULL)
       goto cso_failed;
 
+    /* we use our own buffering */
+    setvbuf(f, NULL, _IONBF, 0);
+
     cso = malloc(sizeof(*cso));
     if (cso == NULL)
       goto cso_failed;
@@ -415,7 +418,7 @@ static unsigned char *PicoCartAlloc(int filesize)
   int alloc_size;
   unsigned char *rom;
 
-  if (PicoMCD & 1) return cd_realloc(NULL, filesize);
+  if (PicoAHW & PAHW_MCD) return cd_realloc(NULL, filesize);
 
   alloc_size=filesize+0x7ffff;
   if((filesize&0x3fff)==0x200) alloc_size-=0x200;
@@ -471,13 +474,17 @@ int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize)
   }
 
   // maybe we are loading MegaCD BIOS?
-  if (!(PicoMCD&1) && size == 0x20000 && (!strncmp((char *)rom+0x124, "BOOT", 4) || !strncmp((char *)rom+0x128, "BOOT", 4))) {
-    PicoMCD |= 1;
+  if (!(PicoAHW & PAHW_MCD) && size == 0x20000 && (!strncmp((char *)rom+0x124, "BOOT", 4) ||
+       !strncmp((char *)rom+0x128, "BOOT", 4))) {
+    PicoAHW |= PAHW_MCD;
     rom = cd_realloc(rom, size);
   }
 
   // Check for SMD:
-  if ((size&0x3fff)==0x200) { DecodeSmd(rom,size); size-=0x200; } // Decode and byteswap SMD
+  if (size >= 0x4200 && (size&0x3fff)==0x200 &&
+      ((rom[0x2280] == 'S' && rom[0x280] == 'E') || (rom[0x280] == 'S' && rom[0x2281] == 'E'))) {
+    DecodeSmd(rom,size); size-=0x200; // Decode and byteswap SMD
+  }
   else Byteswap(rom,size); // Just byteswap
 
   if (prom)  *prom=rom;
@@ -508,6 +515,8 @@ int PicoCartInsert(unsigned char *rom,unsigned int romsize)
     PicoCartUnloadHook = NULL;
   }
 
+  PicoAHW &= PAHW_MCD;
+
   PicoMemResetHooks();
   PicoDmaHook = NULL;
   PicoResetHook = NULL;
@@ -517,17 +526,23 @@ int PicoCartInsert(unsigned char *rom,unsigned int romsize)
 
   PicoMemReset();
 
-  if (!(PicoMCD & 1))
+  if (!(PicoAHW & PAHW_MCD))
     PicoCartDetect();
 
   // setup correct memory map for loaded ROM
   // call PicoMemReset again due to possible memmap change
-  if (PicoMCD & 1)
-       PicoMemSetupCD();
-  else PicoMemSetup();
+  switch (PicoAHW) {
+    default:
+      elprintf(EL_STATUS|EL_ANOMALY, "starting in unknown hw configuration: %x", PicoAHW);
+    case 0:
+    case PAHW_SVP:  PicoMemSetup(); break;
+    case PAHW_MCD:  PicoMemSetupCD(); break;
+    case PAHW_PICO: PicoMemSetupPico(); break;
+  }
   PicoMemReset();
 
-  return PicoReset(1);
+  PicoPower();
+  return 0;
 }
 
 int PicoCartUnload(void)
@@ -594,6 +609,12 @@ static void PicoCartDetect(void)
     sram_size  = 0x004000;
   }
 
+  // this game actually doesn't have SRAM, but some weird protection
+  if (rom_strcmp(0x120, "PUGGSY") == 0)
+  {
+    SRam.start = SRam.end = sram_size = 0;
+  }
+
   if (sram_size)
   {
     SRam.data = (unsigned char *) calloc(sram_size, 1);
@@ -661,9 +682,18 @@ static void PicoCartDetect(void)
     PicoSVPStartup();
   }
 
+  // Pico
+  else if (rom_strcmp(0x100, "SEGA PICO") == 0 ||
+           rom_strcmp(0x100, "IMA IKUNOUJYUKU") == 0) // what is that supposed to mean?
+  {
+    PicoInitPico();
+  }
+
   // Detect 12-in-1 mapper
   else if ((name_cmp("ROBOCOP 3") == 0 && Pico.romsize == 0x200000) ||
-    (rom_strcmp(0x160, "FLICKY") == 0 && Pico.romsize >= 0x200000))
+    (rom_strcmp(0x160, "FLICKY") == 0 && Pico.romsize >= 0x200000)  ||
+    (name_cmp(" SHOVE IT!") == 0 && Pico.romsize >= 0x200000) ||
+    (name_cmp("MS PACMAN") == 0 && Pico.romsize >= 0x200000)) // bad dump?
   {
     carthw_12in1_startup();
   }
@@ -677,6 +707,12 @@ static void PicoCartDetect(void)
     carthw_realtec_startup();
   }
 
+  // Radica mapper
+  else if (name_cmp("KID CHAMELEON") == 0 && Pico.romsize > 0x100000)
+  {
+    carthw_radica_startup();
+  }
+
   // Some games malfunction if SRAM is not filled with 0xff
   if (name_cmp("DINO DINI'S SOCCER") == 0 ||
       name_cmp("MICRO MACHINES II") == 0)
@@ -685,7 +721,7 @@ static void PicoCartDetect(void)
   }
 
   // Unusual region 'code'
-  if (rom_strcmp(0x1f0, "EUROPE") == 0)
+  if (rom_strcmp(0x1f0, "EUROPE") == 0 || rom_strcmp(0x1f0, "Europe") == 0)
     *(int *) (Pico.rom+0x1f0) = 0x20204520;
 }