-/* 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
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * Copyright (C) 2011 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
+ *
+ * Super Game (Sugar Softec) protected mapper
+ * Pocahontas 2 (Unl) [U][!], etc.
+ * TODO: 9in1 LION KING HANGS!
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static uint8 cmdin;
+
+static uint8 regperm[8][8] =
+ {
+ {0, 1, 2, 3, 4, 5, 6, 7},
+ {0, 2, 6, 1, 7, 3, 4, 5},
+ {0, 5, 4, 1, 7, 2, 6, 3}, // unused
+ {0, 6, 3, 7, 5, 2, 4, 1},
+ {0, 2, 5, 3, 6, 1, 7, 4},
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ };
+
+static uint8 adrperm[8][8] =
+ {
+ {0, 1, 2, 3, 4, 5, 6, 7},
+ {3, 2, 0, 4, 1, 5, 6, 7},
+ {0, 1, 2, 3, 4, 5, 6, 7}, // unused
+ {5, 0, 1, 2, 3, 7, 6, 4},
+ {3, 1, 0, 5, 2, 4, 6, 7},
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ {0, 1, 2, 3, 4, 5, 6, 7}, // empty
+ };
+
+static void UNL8237CW(uint32 A, uint8 V)
+{
+ if(EXPREGS[0]&0x40)
+ setchr1(A,((EXPREGS[1]&0xc)<<6)|(V&0x7F)|((EXPREGS[1]&0x20)<<2));
+ else
+ setchr1(A,((EXPREGS[1]&0xc)<<6)|V);
+}
+
+static void UNL8237PW(uint32 A, uint8 V)
+{
+ if(EXPREGS[0]&0x40)
+ {
+ uint8 sbank = (EXPREGS[1]&0x10);
+ if(EXPREGS[0]&0x80)
+ {
+ uint8 bank = ((EXPREGS[1]&3)<<4)|(EXPREGS[0]&0x7)|(sbank>>1);
+ if(EXPREGS[0]&0x20)
+ setprg32(0x8000,bank>>1);
+ else
+ {
+ setprg16(0x8000,bank);
+ setprg16(0xC000,bank);
+ }
+ }
+ else
+ setprg8(A,((EXPREGS[1]&3)<<5)|(V&0x0F)|sbank);
+ }
+ else
+ {
+ if(EXPREGS[0]&0x80)
+ {
+ uint8 bank = ((EXPREGS[1]&3)<<4)|(EXPREGS[0]&0xF);
+ if(EXPREGS[0]&0x20)
+ setprg32(0x8000,bank>>1);
+ else
+ {
+ setprg16(0x8000,bank);
+ setprg16(0xC000,bank);
+ }
+ }
+ else
+ setprg8(A,((EXPREGS[1]&3)<<5)|(V&0x1F));
+ }
+}
+
+static void UNL8237ACW(uint32 A, uint8 V)
+{
+ if(EXPREGS[0]&0x40)
+ setchr1(A,((EXPREGS[1]&0xE)<<7)|(V&0x7F)|((EXPREGS[1]&0x20)<<2));
+ else
+ setchr1(A,((EXPREGS[1]&0xE)<<7)|V);
+}
+
+static void UNL8237APW(uint32 A, uint8 V)
+{
+ if(EXPREGS[0]&0x40)
+ {
+ uint8 sbank = (EXPREGS[1]&0x10);
+ if(EXPREGS[0]&0x80)
+ {
+ uint8 bank = ((EXPREGS[1]&3)<<4)|((EXPREGS[1]&8)<<3)|(EXPREGS[0]&0x7)|(sbank>>1);
+ if(EXPREGS[0]&0x20) {
+// FCEU_printf("8000:%02X\n",bank>>1);
+ setprg32(0x8000,bank>>1);
+ }
+ else
+ {
+// FCEU_printf("8000-C000:%02X\n",bank);
+ setprg16(0x8000,bank);
+ setprg16(0xC000,bank);
+ }
+ }
+ else {
+// FCEU_printf("%04x:%02X\n",A,((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x0F)|sbank);
+ setprg8(A,((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x0F)|sbank);
+ }
+ }
+ else
+ {
+ if(EXPREGS[0]&0x80)
+ {
+ uint8 bank = ((EXPREGS[1]&3)<<4)|((EXPREGS[1]&8)<<3)|(EXPREGS[0]&0xF);
+ if(EXPREGS[0]&0x20) {
+// FCEU_printf("8000:%02X\n",(bank>>1)&0x07);
+ setprg32(0x8000,bank>>1);
+ }
+ else
+ {
+// FCEU_printf("8000-C000:%02X\n",bank&0x0F);
+ setprg16(0x8000,bank);
+ setprg16(0xC000,bank);
+ }
+ }
+ else {
+// FCEU_printf("%04X:%02X\n",A,(((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x1F))&0x1F);
+ setprg8(A,((EXPREGS[1]&3)<<5)|((EXPREGS[1]&8)<<4)|(V&0x1F));
+ }
+ }
+}
+static DECLFW(UNL8237Write)
+{
+ uint8 dat = V;
+ uint8 adr = adrperm[EXPREGS[2]][((A>>12)&6)|(A&1)];
+ uint16 addr = (adr & 1)|((adr & 6)<<12)|0x8000;
+ if(adr < 4)
+ {
+ if(!adr)
+ dat = (dat & 0xC0)|(regperm[EXPREGS[2]][dat & 7]);
+ MMC3_CMDWrite(addr,dat);
+ }
+ else
+ MMC3_IRQWrite(addr,dat);
+}
+
+static DECLFW(UNL8237ExWrite)
+{
+ switch(A)
+ {
+ case 0x5000: EXPREGS[0]=V; FixMMC3PRG(MMC3_cmd); break;
+ case 0x5001: EXPREGS[1]=V; FixMMC3PRG(MMC3_cmd); FixMMC3CHR(MMC3_cmd); break;
+ case 0x5007: EXPREGS[2]=V; break;
+ }
+}
+
+static void UNL8237Power(void)
+{
+ EXPREGS[0]=EXPREGS[2]=0;
+ EXPREGS[1]=3;
+ 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, "CMDI");
+}
+
+void UNL8237A_Init(CartInfo *info)
+{
+ GenMMC3_Init(info, 256, 256, 0, 0);
+ cwrap=UNL8237ACW;
+ pwrap=UNL8237APW;
+ info->Power=UNL8237Power;
+ AddExState(EXPREGS, 3, 0, "EXPR");
+ AddExState(&cmdin, 1, 0, "CMDI");
+}
notaz.gp2x.de / fceu.git / blobdiff