| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Ben Parnell |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include "mapinc.h" |
| 22 | |
| 23 | #define CHRRAM (GameMemBlock+16) |
| 24 | |
| 25 | static void DoSuper(void) |
| 26 | { |
| 27 | setprg8r((GameMemBlock[0]&0xC)>>2,0x6000,((GameMemBlock[0]&0x3)<<4)|0xF); |
| 28 | if(GameMemBlock[0]&0x10) |
| 29 | { |
| 30 | setprg16r((GameMemBlock[0]&0xC)>>2,0x8000,((GameMemBlock[0]&0x3)<<3)|(GameMemBlock[1]&7)); |
| 31 | setprg16r((GameMemBlock[0]&0xC)>>2,0xc000,((GameMemBlock[0]&0x3)<<3)|7); |
| 32 | } |
| 33 | else |
| 34 | setprg32r(4,0x8000,0); |
| 35 | |
| 36 | setmirror(((GameMemBlock[0]&0x20)>>5)^1); |
| 37 | X6502_Rebase(); |
| 38 | } |
| 39 | |
| 40 | static DECLFW(SuperWrite) |
| 41 | { |
| 42 | if(!(GameMemBlock[0]&0x10)) |
| 43 | { |
| 44 | GameMemBlock[0]=V; |
| 45 | DoSuper(); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | static DECLFW(SuperHi) |
| 50 | { |
| 51 | GameMemBlock[1]=V; |
| 52 | DoSuper(); |
| 53 | } |
| 54 | |
| 55 | static void SuperReset(void) |
| 56 | { |
| 57 | SetWriteHandler(0x6000,0x7FFF,SuperWrite); |
| 58 | SetWriteHandler(0x8000,0xFFFF,SuperHi); |
| 59 | SetReadHandler(0x6000,0xFFFF,CartBR); |
| 60 | GameMemBlock[0]=GameMemBlock[1]=0; |
| 61 | setprg32r(4,0x8000,0); |
| 62 | setvram8(CHRRAM); |
| 63 | } |
| 64 | |
| 65 | static void SuperRestore(int version) |
| 66 | { |
| 67 | DoSuper(); |
| 68 | } |
| 69 | |
| 70 | void Supervision16_Init(void) |
| 71 | { |
| 72 | AddExState(&GameMemBlock[0], 1, 0,"L1"); |
| 73 | AddExState(&GameMemBlock[1], 1, 0,"L2"); |
| 74 | AddExState(CHRRAM, 8192, 0, "CHRR"); |
| 75 | BoardPower=SuperReset; |
| 76 | GameStateRestore=SuperRestore; |
| 77 | } |