--- /dev/null
+\r
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ * Copyright (C) 2007 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
+/*\r
+#include "mapinc.h"\r
+\r
+static uint8 chr_cmd, prg_cmd, mirror;\r
+static uint8 chr_reg[6], prg_reg[4];\r
+\r
+static SFORMAT StateRegs[]=\r
+{\r
+ {&chr_cmd, 1, "CHRCMD"},\r
+ {&prg_cmd, 1, "PRGCMD"},\r
+ {&mirror, 1, "MIRR"},\r
+ {chr_reg, 6, "CREGS"},\r
+ {prg_reg, 4, "PREGS"},\r
+ {0}\r
+};\r
+\r
+static void Sync(void)\r
+{\r
+ setprg8(0x8000, prg_reg[0]);\r
+ setprg8(0xA000, prg_reg[1]); \r
+ setprg8(0xC000, prg_reg[2]); \r
+ setprg8(0xE000, prg_reg[3]);\r
+ \r
+ setchr2(0x0000, chr_reg[0]);\r
+ setchr2(0x0800, chr_reg[1]); \r
+ setchr1(0x1000, chr_reg[2]); \r
+ setchr1(0x1400, chr_reg[3]);\r
+ setchr1(0x1800, chr_reg[4]);\r
+ setchr1(0x1c00, chr_reg[5]); \r
+ \r
+ setmirror(mirror);\r
+}\r
+\r
+static DECLFW(UNLA9746Write)\r
+{\r
+ uint8 bits_rev; \r
+// FCEU_printf("write raw %04x:%02x\n",A,V);\r
+ switch (A&0xE003)\r
+ {\r
+// case 0xA000: mirror = V; break;\r
+ case 0x8000: chr_cmd = V; prg_cmd = 0; break;\r
+ case 0x8002: prg_cmd = V; chr_cmd = 0; break;\r
+ case 0x8001: bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r
+// if(prg_cmd>0x23)\r
+// prg_reg[(0x26-prg_cmd)&3] = bits_rev;\r
+ switch(chr_cmd)\r
+ {\r
+ case 0x08: chr_reg[0] = (V << 3); break;\r
+ case 0x09: chr_reg[0] = chr_reg[0]|(V >> 2); break;\r
+ case 0x0e: chr_reg[1] = (V << 3); break;\r
+ case 0x0d: chr_reg[1] = chr_reg[1]|(V >> 2); break;\r
+ case 0x12: chr_reg[2] = (V << 4); break;\r
+ case 0x11: chr_reg[2] = chr_reg[2]|(V >> 1); FCEU_printf("Sync CHR 0x1000:%02x\n",chr_reg[2]); break;\r
+ case 0x16: chr_reg[3] = (V << 4); break;\r
+ case 0x15: chr_reg[3] = chr_reg[3]|(V >> 1); break;\r
+ case 0x1a: chr_reg[4] = (V << 4); break;\r
+ case 0x19: chr_reg[4] = chr_reg[4]|(V >> 1); break;\r
+ case 0x1e: chr_reg[5] = (V << 4); break;\r
+ case 0x1d: chr_reg[5] = chr_reg[5]|(V >> 1); break;\r
+ }\r
+ Sync();\r
+ break;\r
+ }\r
+}\r
+\r
+static void UNLA9746Power(void)\r
+{\r
+ prg_reg[2]=~1;\r
+ prg_reg[3]=~0;\r
+ Sync();\r
+ SetReadHandler(0x8000,0xFFFF,CartBR);\r
+ SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r
+}\r
+\r
+static void StateRestore(int version)\r
+{\r
+ Sync();\r
+}\r
+\r
+void UNLA9746_Init(CartInfo *info)\r
+{\r
+ info->Power=UNLA9746Power;\r
+ AddExState(&StateRegs, ~0, 0, 0);\r
+}\r
+/**/\r
+\r
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ * Copyright (C) 2007 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
+\r
+#include "mapinc.h"\r
+#include "mmc3.h"\r
+\r
+static DECLFW(UNLA9746Write)\r
+{\r
+// FCEU_printf("write raw %04x:%02x\n",A,V);\r
+ switch (A&0xE003)\r
+ {\r
+ case 0x8000: EXPREGS[1]=V; EXPREGS[0]=0; break;\r
+ case 0x8002: EXPREGS[0]=V; EXPREGS[1]=0; break;\r
+ case 0x8001: {\r
+ uint8 bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r
+ switch(EXPREGS[0])\r
+ {\r
+ case 0x26: setprg8(0x8000, bits_rev); break;\r
+ case 0x25: setprg8(0xA000, bits_rev); break; \r
+ case 0x24: setprg8(0xC000, bits_rev); break; \r
+ case 0x23: setprg8(0xE000, bits_rev); break;\r
+ }\r
+ switch(EXPREGS[1])\r
+ {\r
+ case 0x0a:\r
+ case 0x08: EXPREGS[2] = (V << 4); break;\r
+ case 0x09: setchr1(0x0000, EXPREGS[2]|(V >> 1)); break;\r
+ case 0x0b: setchr1(0x0400, EXPREGS[2]|(V >> 1)|1); break;\r
+ case 0x0c:\r
+ case 0x0e: EXPREGS[2] = (V << 4); break;\r
+ case 0x0d: setchr1(0x0800, EXPREGS[2]|(V >> 1)); break;\r
+ case 0x0f: setchr1(0x0c00, EXPREGS[2]|(V >> 1)|1); break;\r
+ case 0x10:\r
+ case 0x12: EXPREGS[2] = (V << 4); break;\r
+ case 0x11: setchr1(0x1000, EXPREGS[2]|(V >> 1)); break;\r
+ case 0x14:\r
+ case 0x16: EXPREGS[2] = (V << 4); break;\r
+ case 0x15: setchr1(0x1400, EXPREGS[2]|(V >> 1)); break;\r
+ case 0x18:\r
+ case 0x1a: EXPREGS[2] = (V << 4); break;\r
+ case 0x19: setchr1(0x1800, EXPREGS[2]|(V >> 1)); break;\r
+ case 0x1c:\r
+ case 0x1e: EXPREGS[2] = (V << 4); break;\r
+ case 0x1d: setchr1(0x1c00, EXPREGS[2]|(V >> 1)); break;\r
+ }\r
+ }\r
+ break;\r
+ }\r
+}\r
+\r
+static void UNLA9746Power(void)\r
+{\r
+ GenMMC3Power();\r
+ SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r
+}\r
+\r
+void UNLA9746_Init(CartInfo *info)\r
+{\r
+ GenMMC3_Init(info, 128, 256, 0, 0);\r
+ info->Power=UNLA9746Power;\r
+ AddExState(EXPREGS, 6, 0, "EXPR");\r
+}\r
+/**/\r
notaz.gp2x.de / fceu.git / blobdiff