-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- * Copyright (C) 2005 CaH4e3
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "mapinc.h"
-#include "mmc3.h"
-
-static uint8 cmdin;
-static uint8 UNL8237_perm[8] = {0, 2, 6, 1, 7, 3, 4, 5};
-
-static void UNL8237CW(uint32 A, uint8 V)
-{
- setchr1(A,((EXPREGS[1]&4)<<6)|V);
-}
-
-static void UNL8237PW(uint32 A, uint8 V)
-{
- if(EXPREGS[0]&0x80)
- {
- if(EXPREGS[0]&0x20)
- setprg32(0x8000,(EXPREGS[0]&0xF)>>1);
- else
- {
- setprg16(0x8000,(EXPREGS[0]&0x1F));
- setprg16(0xC000,(EXPREGS[0]&0x1F));
- }
- }
- else
- setprg8(A,V&0x3F);
-}
-
-static DECLFW(UNL8237Write)
-{
- if((A&0xF000)==0xF000)
- IRQCount=V;
- else if((A&0xF000)==0xE000)
- X6502_IRQEnd(FCEU_IQEXT);
- else switch(A&0xE001)
- {
- case 0x8000: setmirror(((V|(V>>7))&1)^1); break;
- case 0xA000: MMC3_CMDWrite(0x8000,(V&0xC0)|(UNL8237_perm[V&7])); cmdin=1; break;
- case 0xC000: if(cmdin)
- {
- MMC3_CMDWrite(0x8001,V);
- cmdin=0;
- }
- break;
- }
-}
-
-static DECLFW(UNL8237ExWrite)
-{
- switch(A)
- {
- case 0x5000: EXPREGS[0]=V; FixMMC3PRG(MMC3_cmd); break;
- case 0x5001: EXPREGS[1]=V; FixMMC3CHR(MMC3_cmd); break;
- }
-}
-
-static void UNL8237Power(void)
-{
- IRQa=1;
- EXPREGS[0]=EXPREGS[1]=0;
- GenMMC3Power();
- SetWriteHandler(0x8000,0xFFFF,UNL8237Write);
- SetWriteHandler(0x5000,0x7FFF,UNL8237ExWrite);
-}
-
-void UNL8237_Init(CartInfo *info)
-{
- GenMMC3_Init(info, 256, 256, 0, 0);
- cwrap=UNL8237CW;
- pwrap=UNL8237PW;
- info->Power=UNL8237Power;
- AddExState(EXPREGS, 3, 0, "EXPR");
- AddExState(&cmdin, 1, 0, "CMDIN");
-}
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ * Copyright (C) 2005-2011 CaH4e3\r
+ *\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\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
+ *\r
+ * Super Game (Sugar Softec) protected mapper\r
+ * Pocahontas 2 (Unl) [U][!], etc.\r
+ * TODO: 9in1 LION KING HANGS!\r
+ */\r
+\r
+#include "mapinc.h"\r
+#include "mmc3.h"\r
+\r
+static uint8 cmdin;\r
+\r
+static uint8 regperm[8][8] = \r
+ {\r
+ {0, 1, 2, 3, 4, 5, 6, 7},\r
+ {0, 2, 6, 1, 7, 3, 4, 5},\r
+ {0, 5, 4, 1, 7, 2, 6, 3}, // unused\r
+ {0, 6, 3, 7, 5, 2, 4, 1},\r
+ {0, 2, 5, 3, 6, 1, 7, 4},\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ };\r
+\r
+static uint8 adrperm[8][8] = \r
+ {\r
+ {0, 1, 2, 3, 4, 5, 6, 7},\r
+ {3, 2, 0, 4, 1, 5, 6, 7},\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // unused\r
+ {5, 0, 1, 2, 3, 7, 6, 4},\r
+ {3, 1, 0, 5, 2, 4, 6, 7},\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty\r
+ };\r
+\r
+static void UNL8237CW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[0]&0x40)\r
+ setchr1(A,((EXPREGS[1]&0xc)<<6)|(V&0x7F)|((EXPREGS[1]&0x20)<<2));\r
+ else\r
+ setchr1(A,((EXPREGS[1]&0xc)<<6)|V);\r
+}\r
+\r
+static void UNL8237PW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[0]&0x40)\r
+ {\r
+ uint8 sbank = (EXPREGS[1]&0x10);\r
+ if(EXPREGS[0]&0x80)\r
+ {\r
+ uint8 bank = ((EXPREGS[1]&3)<<4)|(EXPREGS[0]&0x7)|(sbank>>1);\r
+ if(EXPREGS[0]&0x20)\r
+ setprg32(0x8000,bank>>1);\r
+ else\r
+ {\r
+ setprg16(0x8000,bank);\r
+ setprg16(0xC000,bank);\r
+ }\r
+ }\r
+ else\r
+ setprg8(A,((EXPREGS[1]&3)<<5)|(V&0x0F)|sbank);\r
+ }\r
+ else\r
+ {\r
+ if(EXPREGS[0]&0x80)\r
+ {\r
+ uint8 bank = ((EXPREGS[1]&3)<<4)|(EXPREGS[0]&0xF);\r
+ if(EXPREGS[0]&0x20)\r
+ setprg32(0x8000,bank>>1);\r
+ else\r
+ {\r
+ setprg16(0x8000,bank);\r
+ setprg16(0xC000,bank);\r
+ }\r
+ }\r
+ else\r
+ setprg8(A,((EXPREGS[1]&3)<<5)|(V&0x1F));\r
+ }\r
+}\r
+\r
+static void UNL8237ACW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[0]&0x40)\r
+ setchr1(A,((EXPREGS[1]&0xE)<<7)|(V&0x7F)|((EXPREGS[1]&0x20)<<2));\r
+ else\r
+ setchr1(A,((EXPREGS[1]&0xE)<<7)|V);\r
+}\r
+\r
+static void UNL8237APW(uint32 A, uint8 V)\r
+{\r
+ if(EXPREGS[0]&0x40)\r
+ {\r
+ uint8 sbank = (EXPREGS[1]&0x10);\r
+ if(EXPREGS[0]&0x80)\r
+ {\r
+ uint8 bank = ((EXPREGS[1]&3)<<4)|((EXPREGS[1]&8)<<3)|(EXPREGS[0]&0x7)|(sbank>>1);\r
+ if(EXPREGS[0]&0x20)\r
+ setprg32(0x8000,bank>>1);\r
+ else\r
+ {\r
+ setprg16(0x8000,bank);\r
+ setprg16(0xC000,bank);\r
+ }\r
+ }\r
+ else\r
+ setprg8(A,((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x0F)|sbank);\r
+ }\r
+ else\r
+ {\r
+ if(EXPREGS[0]&0x80)\r
+ {\r
+ uint8 bank = ((EXPREGS[1]&3)<<4)|((EXPREGS[1]&8)<<3)|(EXPREGS[0]&0xF);\r
+ if(EXPREGS[0]&0x20)\r
+ setprg32(0x8000,bank>>1);\r
+ else\r
+ {\r
+ setprg16(0x8000,bank);\r
+ setprg16(0xC000,bank);\r
+ }\r
+ }\r
+ else\r
+ setprg8(A,((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x1F));\r
+ }\r
+}\r
+static DECLFW(UNL8237Write)\r
+{\r
+ uint8 dat = V;\r
+ uint8 adr = adrperm[EXPREGS[2]][((A>>12)&6)|(A&1)];\r
+ uint16 addr = (adr & 1)|((adr & 6)<<12)|0x8000;\r
+ if(adr < 4)\r
+ {\r
+ if(!adr)\r
+ dat = (dat & 0xC0)|(regperm[EXPREGS[2]][dat & 7]);\r
+ MMC3_CMDWrite(addr,dat);\r
+ }\r
+ else \r
+ MMC3_IRQWrite(addr,dat);\r
+}\r
+\r
+static DECLFW(UNL8237ExWrite)\r
+{\r
+ switch(A)\r
+ {\r
+ case 0x5000: EXPREGS[0]=V; FixMMC3PRG(MMC3_cmd); break;\r
+ case 0x5001: EXPREGS[1]=V; FixMMC3PRG(MMC3_cmd); FixMMC3CHR(MMC3_cmd); break;\r
+ case 0x5007: EXPREGS[2]=V; break;\r
+ }\r
+}\r
+\r
+static void UNL8237Power(void)\r
+{\r
+ EXPREGS[0]=EXPREGS[2]=0;\r
+ EXPREGS[1]=3;\r
+ GenMMC3Power();\r
+ SetWriteHandler(0x8000,0xFFFF,UNL8237Write);\r
+ SetWriteHandler(0x5000,0x7FFF,UNL8237ExWrite);\r
+}\r
+\r
+void UNL8237_Init(CartInfo *info)\r
+{\r
+ GenMMC3_Init(info, 256, 256, 0, 0);\r
+ cwrap=UNL8237CW;\r
+ pwrap=UNL8237PW;\r
+ info->Power=UNL8237Power;\r
+ AddExState(EXPREGS, 3, 0, "EXPR");\r
+ AddExState(&cmdin, 1, 0, "CMDIN");\r
+}\r
+\r
+void UNL8237A_Init(CartInfo *info)\r
+{\r
+ GenMMC3_Init(info, 256, 256, 0, 0);\r
+ cwrap=UNL8237ACW;\r
+ pwrap=UNL8237APW;\r
+ info->Power=UNL8237Power;\r
+ AddExState(EXPREGS, 3, 0, "EXPR");\r
+ AddExState(&cmdin, 1, 0, "CMDIN");\r
+}\r
notaz.gp2x.de / fceu.git / blobdiff