*\r
* You should have received a copy of the GNU General Public License\r
* along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
* Panda prince pirate.\r
- * MK4, MK6, A9711 board, MAPPER 187 the same!\r
- * UNL6035052_Init seems to be the same too, but with prot array in reverse\r
+ * MK4, MK6, A9711 board\r
+ * 6035052 seems to be the same too, but with prot array in reverse\r
+ * A9746 seems to be the same too, check\r
+ * 187 seems to be the same too, check (A98402 board)\r
+ *\r
*/\r
\r
#include "mapinc.h"\r
#include "mmc3.h"\r
\r
-static uint8 readbyte = 0;\r
-\r
-static DECLFW(M121Write)\r
+static void Sync()\r
{\r
-// FCEU_printf("write: %04x:%04x\n",A&0xE003,V);\r
- if((A&0xF003)==0x8003)\r
+ switch(EXPREGS[5]&0x3F)\r
{\r
-// FCEU_printf(" prot write");\r
-// FCEU_printf("write: %04x:%04x\n",A,V);\r
- if (V==0xAB) setprg8(0xE000,7);\r
- else if(V==0x26) setprg8(0xE000,8);\r
-// else if(V==0x26) setprg8(0xE000,1); // MK3\r
-// else if(V==0x26) setprg8(0xE000,0x15); // sonic 3D blast, 8003 - command (0x26), 8001 - data 0x2A (<<1 = 0x15)\r
- else if(V==0xFF) setprg8(0xE000,9);\r
- else if(V==0x28) setprg8(0xC000,0xC);\r
- else if(V==0xEC) setprg8(0xE000,0xD); \r
-// else if(V==0xEC) setprg8(0xE000,0xC);//MK3\r
- else if(V==0xEF) setprg8(0xE000,0xD); // damn mess, need real hardware to figure out bankswitching\r
- else if(V==0x2A) setprg8(0xA000,0x0E);\r
-// else if(V==0x2A) setprg8(0xE000,0x0C); // MK3\r
- else if(V==0x20) setprg8(0xE000,0x13);\r
- else if(V==0x29) setprg8(0xE000,0x1B);\r
- else \r
- {\r
-// FCEU_printf(" unknown");\r
- FixMMC3PRG(MMC3_cmd);\r
- MMC3_CMDWrite(A,V);\r
- }\r
-// FCEU_printf("\n");\r
+ case 0x20: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x29: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x26: EXPREGS[7] = 0; EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x2B: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x2C: EXPREGS[7] = 1; if(EXPREGS[6]) EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x3F: EXPREGS[7] = 1; EXPREGS[0]=EXPREGS[6]; break;\r
+ case 0x28: EXPREGS[7] = 0; EXPREGS[1]=EXPREGS[6]; break;\r
+ case 0x2A: EXPREGS[7] = 0; EXPREGS[2]=EXPREGS[6]; break;\r
+ case 0x2F: break;\r
+ default: EXPREGS[5] = 0; break;\r
}\r
+}\r
+\r
+static void M121CW(uint32 A, uint8 V)\r
+{\r
+ if((A&0x1000)==((MMC3_cmd&0x80)<<5))\r
+ setchr1(A,V|0x100);\r
+ else\r
+ setchr1(A,V);\r
+}\r
+\r
+static void M121PW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[5]&0x3F)\r
+ {\r
+// FCEU_printf("prot banks: %02x %02x %02x %02x\n",V,EXPREGS[2],EXPREGS[1],EXPREGS[0]);\r
+ setprg8(A,V&0x3F);\r
+ setprg8(0xE000,EXPREGS[0]);\r
+ setprg8(0xC000,EXPREGS[1]);\r
+ setprg8(0xA000,EXPREGS[2]);\r
+ } \r
else\r
{\r
-// FixMMC3PRG(MMC3_cmd);\r
- MMC3_CMDWrite(A,V);\r
+// FCEU_printf("gen banks: %04x %02x\n",A,V);\r
+ setprg8(A,V&0x3F);\r
+ }\r
+}\r
+\r
+static DECLFW(M121Write)\r
+{\r
+// FCEU_printf("write: %04x:%04x\n",A&0xE003,V);\r
+ switch(A&0xE003)\r
+ {\r
+ case 0x8000: //EXPREGS[5] = 0;\r
+// FCEU_printf("gen: %02x\n",V);\r
+ MMC3_CMDWrite(A,V);\r
+ FixMMC3PRG(MMC3_cmd);\r
+ break;\r
+ case 0x8001: EXPREGS[6] = ((V&1)<<5)|((V&2)<<3)|((V&4)<<1)|((V&8)>>1)|((V&0x10)>>3)|((V&0x20)>>5);\r
+// FCEU_printf("bank: %02x (%02x)\n",V,EXPREGS[6]);\r
+ if(!EXPREGS[7]) Sync();\r
+ MMC3_CMDWrite(A,V);\r
+ FixMMC3PRG(MMC3_cmd);\r
+ break;\r
+ case 0x8003: EXPREGS[5] = V;\r
+// EXPREGS[7] = 0;\r
+// FCEU_printf("prot: %02x\n",EXPREGS[5]);\r
+ Sync();\r
+ MMC3_CMDWrite(0x8000,V);\r
+ FixMMC3PRG(MMC3_cmd);\r
+ break;\r
}\r
}\r
\r
static uint8 prot_array[16] = { 0x83, 0x83, 0x42, 0x00 };\r
static DECLFW(M121LoWrite)\r
{\r
- EXPREGS[0] = prot_array[V&3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter)\r
+ EXPREGS[4] = prot_array[V&3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter)\r
// FCEU_printf("write: %04x:%04x\n",A,V);\r
}\r
\r
static DECLFR(M121Read)\r
{ \r
-// FCEU_printf("read: %04x\n",A);\r
- return EXPREGS[0];\r
+// FCEU_printf("read: %04x->\n",A,EXPREGS[0]);\r
+ return EXPREGS[4];\r
}\r
\r
static void M121Power(void)\r
{\r
+ EXPREGS[5] = 0;\r
GenMMC3Power();\r
-// Write_IRQFM(0x4017,0x40);\r
SetReadHandler(0x5000,0x5FFF,M121Read);\r
SetWriteHandler(0x5000,0x5FFF,M121LoWrite);\r
SetWriteHandler(0x8000,0x9FFF,M121Write);\r
void Mapper121_Init(CartInfo *info)\r
{\r
GenMMC3_Init(info, 128, 256, 8, 0);\r
+ pwrap=M121PW;\r
+ cwrap=M121CW;\r
info->Power=M121Power;\r
- AddExState(EXPREGS, 2, 0, "EXPR");\r
+ AddExState(EXPREGS, 8, 0, "EXPR");\r
}\r
notaz.gp2x.de / fceu.git / blobdiff