| 1 | \r |
| 2 | /* FCE Ultra - NES/Famicom Emulator\r |
| 3 | *\r |
| 4 | * Copyright notice for this file:\r |
| 5 | * Copyright (C) 2007 CaH4e3\r |
| 6 | *\r |
| 7 | * This program is free software; you can redistribute it and/or modify\r |
| 8 | * it under the terms of the GNU General Public License as published by\r |
| 9 | * the Free Software Foundation; either version 2 of the License, or\r |
| 10 | * (at your option) any later version.\r |
| 11 | *\r |
| 12 | * This program is distributed in the hope that it will be useful,\r |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
| 15 | * GNU General Public License for more details.\r |
| 16 | *\r |
| 17 | * You should have received a copy of the GNU General Public License\r |
| 18 | * along with this program; if not, write to the Free Software\r |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
| 20 | */\r |
| 21 | /*\r |
| 22 | #include "mapinc.h"\r |
| 23 | \r |
| 24 | static uint8 chr_cmd, prg_cmd, mirror;\r |
| 25 | static uint8 chr_reg[6], prg_reg[4];\r |
| 26 | \r |
| 27 | static SFORMAT StateRegs[]=\r |
| 28 | {\r |
| 29 | {&chr_cmd, 1, "CHRCMD"},\r |
| 30 | {&prg_cmd, 1, "PRGCMD"},\r |
| 31 | {&mirror, 1, "MIRR"},\r |
| 32 | {chr_reg, 6, "CREGS"},\r |
| 33 | {prg_reg, 4, "PREGS"},\r |
| 34 | {0}\r |
| 35 | };\r |
| 36 | \r |
| 37 | static void Sync(void)\r |
| 38 | {\r |
| 39 | setprg8(0x8000, prg_reg[0]);\r |
| 40 | setprg8(0xA000, prg_reg[1]); \r |
| 41 | setprg8(0xC000, prg_reg[2]); \r |
| 42 | setprg8(0xE000, prg_reg[3]);\r |
| 43 | \r |
| 44 | setchr2(0x0000, chr_reg[0]);\r |
| 45 | setchr2(0x0800, chr_reg[1]); \r |
| 46 | setchr1(0x1000, chr_reg[2]); \r |
| 47 | setchr1(0x1400, chr_reg[3]);\r |
| 48 | setchr1(0x1800, chr_reg[4]);\r |
| 49 | setchr1(0x1c00, chr_reg[5]); \r |
| 50 | \r |
| 51 | setmirror(mirror);\r |
| 52 | }\r |
| 53 | \r |
| 54 | static DECLFW(UNLA9746Write)\r |
| 55 | {\r |
| 56 | uint8 bits_rev; \r |
| 57 | // FCEU_printf("write raw %04x:%02x\n",A,V);\r |
| 58 | switch (A&0xE003)\r |
| 59 | {\r |
| 60 | // case 0xA000: mirror = V; break;\r |
| 61 | case 0x8000: chr_cmd = V; prg_cmd = 0; break;\r |
| 62 | case 0x8002: prg_cmd = V; chr_cmd = 0; break;\r |
| 63 | case 0x8001: bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r |
| 64 | // if(prg_cmd>0x23)\r |
| 65 | // prg_reg[(0x26-prg_cmd)&3] = bits_rev;\r |
| 66 | switch(chr_cmd)\r |
| 67 | {\r |
| 68 | case 0x08: chr_reg[0] = (V << 3); break;\r |
| 69 | case 0x09: chr_reg[0] = chr_reg[0]|(V >> 2); break;\r |
| 70 | case 0x0e: chr_reg[1] = (V << 3); break;\r |
| 71 | case 0x0d: chr_reg[1] = chr_reg[1]|(V >> 2); break;\r |
| 72 | case 0x12: chr_reg[2] = (V << 4); break;\r |
| 73 | case 0x11: chr_reg[2] = chr_reg[2]|(V >> 1); FCEU_printf("Sync CHR 0x1000:%02x\n",chr_reg[2]); break;\r |
| 74 | case 0x16: chr_reg[3] = (V << 4); break;\r |
| 75 | case 0x15: chr_reg[3] = chr_reg[3]|(V >> 1); break;\r |
| 76 | case 0x1a: chr_reg[4] = (V << 4); break;\r |
| 77 | case 0x19: chr_reg[4] = chr_reg[4]|(V >> 1); break;\r |
| 78 | case 0x1e: chr_reg[5] = (V << 4); break;\r |
| 79 | case 0x1d: chr_reg[5] = chr_reg[5]|(V >> 1); break;\r |
| 80 | }\r |
| 81 | Sync();\r |
| 82 | break;\r |
| 83 | }\r |
| 84 | }\r |
| 85 | \r |
| 86 | static void UNLA9746Power(void)\r |
| 87 | {\r |
| 88 | prg_reg[2]=~1;\r |
| 89 | prg_reg[3]=~0;\r |
| 90 | Sync();\r |
| 91 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
| 92 | SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r |
| 93 | }\r |
| 94 | \r |
| 95 | static void StateRestore(int version)\r |
| 96 | {\r |
| 97 | Sync();\r |
| 98 | }\r |
| 99 | \r |
| 100 | void UNLA9746_Init(CartInfo *info)\r |
| 101 | {\r |
| 102 | info->Power=UNLA9746Power;\r |
| 103 | AddExState(&StateRegs, ~0, 0, 0);\r |
| 104 | }\r |
| 105 | /**/\r |
| 106 | \r |
| 107 | /* FCE Ultra - NES/Famicom Emulator\r |
| 108 | *\r |
| 109 | * Copyright notice for this file:\r |
| 110 | * Copyright (C) 2007 CaH4e3\r |
| 111 | *\r |
| 112 | * This program is free software; you can redistribute it and/or modify\r |
| 113 | * it under the terms of the GNU General Public License as published by\r |
| 114 | * the Free Software Foundation; either version 2 of the License, or\r |
| 115 | * (at your option) any later version.\r |
| 116 | *\r |
| 117 | * This program is distributed in the hope that it will be useful,\r |
| 118 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
| 119 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
| 120 | * GNU General Public License for more details.\r |
| 121 | *\r |
| 122 | * You should have received a copy of the GNU General Public License\r |
| 123 | * along with this program; if not, write to the Free Software\r |
| 124 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
| 125 | */\r |
| 126 | \r |
| 127 | #include "mapinc.h"\r |
| 128 | #include "mmc3.h"\r |
| 129 | \r |
| 130 | static DECLFW(UNLA9746Write)\r |
| 131 | {\r |
| 132 | // FCEU_printf("write raw %04x:%02x\n",A,V);\r |
| 133 | switch (A&0xE003)\r |
| 134 | {\r |
| 135 | case 0x8000: EXPREGS[1]=V; EXPREGS[0]=0; break;\r |
| 136 | case 0x8002: EXPREGS[0]=V; EXPREGS[1]=0; break;\r |
| 137 | case 0x8001: {\r |
| 138 | uint8 bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r |
| 139 | switch(EXPREGS[0])\r |
| 140 | {\r |
| 141 | case 0x26: setprg8(0x8000, bits_rev); break;\r |
| 142 | case 0x25: setprg8(0xA000, bits_rev); break; \r |
| 143 | case 0x24: setprg8(0xC000, bits_rev); break; \r |
| 144 | case 0x23: setprg8(0xE000, bits_rev); break;\r |
| 145 | }\r |
| 146 | switch(EXPREGS[1])\r |
| 147 | {\r |
| 148 | case 0x0a:\r |
| 149 | case 0x08: EXPREGS[2] = (V << 4); break;\r |
| 150 | case 0x09: setchr1(0x0000, EXPREGS[2]|(V >> 1)); break;\r |
| 151 | case 0x0b: setchr1(0x0400, EXPREGS[2]|(V >> 1)|1); break;\r |
| 152 | case 0x0c:\r |
| 153 | case 0x0e: EXPREGS[2] = (V << 4); break;\r |
| 154 | case 0x0d: setchr1(0x0800, EXPREGS[2]|(V >> 1)); break;\r |
| 155 | case 0x0f: setchr1(0x0c00, EXPREGS[2]|(V >> 1)|1); break;\r |
| 156 | case 0x10:\r |
| 157 | case 0x12: EXPREGS[2] = (V << 4); break;\r |
| 158 | case 0x11: setchr1(0x1000, EXPREGS[2]|(V >> 1)); break;\r |
| 159 | case 0x14:\r |
| 160 | case 0x16: EXPREGS[2] = (V << 4); break;\r |
| 161 | case 0x15: setchr1(0x1400, EXPREGS[2]|(V >> 1)); break;\r |
| 162 | case 0x18:\r |
| 163 | case 0x1a: EXPREGS[2] = (V << 4); break;\r |
| 164 | case 0x19: setchr1(0x1800, EXPREGS[2]|(V >> 1)); break;\r |
| 165 | case 0x1c:\r |
| 166 | case 0x1e: EXPREGS[2] = (V << 4); break;\r |
| 167 | case 0x1d: setchr1(0x1c00, EXPREGS[2]|(V >> 1)); break;\r |
| 168 | }\r |
| 169 | }\r |
| 170 | break;\r |
| 171 | }\r |
| 172 | }\r |
| 173 | \r |
| 174 | static void UNLA9746Power(void)\r |
| 175 | {\r |
| 176 | GenMMC3Power();\r |
| 177 | SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r |
| 178 | }\r |
| 179 | \r |
| 180 | void UNLA9746_Init(CartInfo *info)\r |
| 181 | {\r |
| 182 | GenMMC3_Init(info, 128, 256, 0, 0);\r |
| 183 | info->Power=UNLA9746Power;\r |
| 184 | AddExState(EXPREGS, 6, 0, "EXPR");\r |
| 185 | }\r |
| 186 | /**/\r |