| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2003 Xodnizel |
| 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 <string.h> |
| 22 | #include "share.h" |
| 23 | |
| 24 | static uint32 MReal,MRet; |
| 25 | |
| 26 | static uint8 FP_FASTAPASS(2) MJ_Read(int w, uint8 ret) |
| 27 | { |
| 28 | if(w) |
| 29 | { |
| 30 | // ret|=(MRet&1)<<1; |
| 31 | ret|=((MRet&0x80)>>6)&2; |
| 32 | // MRet>>=1; |
| 33 | if(!fceuindbg) |
| 34 | MRet<<=1; |
| 35 | } |
| 36 | return(ret); |
| 37 | } |
| 38 | |
| 39 | static void FP_FASTAPASS(1) MJ_Write(uint8 v) |
| 40 | { |
| 41 | /* 1: I-D7, J-D6, K-D5, L-D4, M-D3, Big Red-D2 |
| 42 | 2: A-D7, B-D6, C-D5, D-D4, E-D3, F-D2, G-D1, H-D0 |
| 43 | 3: Sel-D6, Start-D7, D5, D4, D3, D2, D1 |
| 44 | */ |
| 45 | MRet=0; |
| 46 | |
| 47 | v>>=1; |
| 48 | v&=3; |
| 49 | |
| 50 | if(v==3) |
| 51 | { |
| 52 | MRet=(MReal>>14)&0x7F; |
| 53 | //MRet=((MRet&0x1F) |((MRet&0x40)>>1)|((MRet&0x20)<<1)) <<1; //(MReal>>13)&0x7F; |
| 54 | } |
| 55 | else if(v==2) |
| 56 | { |
| 57 | MRet=MReal&0xFF; |
| 58 | } |
| 59 | else if(v==1) |
| 60 | { |
| 61 | MRet=(MReal>>8)&0x3F; |
| 62 | } |
| 63 | // HSValR=HSVal<<1; |
| 64 | } |
| 65 | |
| 66 | static void FP_FASTAPASS(2) MJ_Update(void *data, int arg) |
| 67 | { |
| 68 | MReal=*(uint32*)data; |
| 69 | //printf("%08x\n",MReal>>13); |
| 70 | //HSVal=*(uint8*)data; |
| 71 | } |
| 72 | |
| 73 | static INPUTCFC Mahjong={MJ_Read,MJ_Write,0,MJ_Update,0,0}; |
| 74 | |
| 75 | INPUTCFC *FCEU_InitMahjong(void) |
| 76 | { |
| 77 | MReal=MRet=0; |
| 78 | return(&Mahjong); |
| 79 | } |