| 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 bs,bss; |
| 25 | static uint32 boop; |
| 26 | |
| 27 | static uint8 FP_FASTAPASS(2) Read(int w, uint8 ret) |
| 28 | { |
| 29 | if(w) |
| 30 | { |
| 31 | ret|=(bs&1)<<3; |
| 32 | ret|=(boop&1)<<4; |
| 33 | bs>>=1; |
| 34 | boop>>=1; |
| 35 | // puts("Read"); |
| 36 | } |
| 37 | return(ret); |
| 38 | } |
| 39 | |
| 40 | static void FP_FASTAPASS(1) Write(uint8 V) |
| 41 | { |
| 42 | // if(V&0x2) |
| 43 | bs=bss; |
| 44 | //printf("Write: %02x\n",V); |
| 45 | // boop=0xC0; |
| 46 | } |
| 47 | |
| 48 | static void FP_FASTAPASS(2) Update(void *data, int arg) |
| 49 | { |
| 50 | bss=*(uint8*)data; |
| 51 | bss|=bss<<8; |
| 52 | bss|=bss<<8; |
| 53 | } |
| 54 | |
| 55 | static INPUTCFC TopRider={Read,Write,0,Update,0,0}; |
| 56 | |
| 57 | INPUTCFC *FCEU_InitTopRider(void) |
| 58 | { |
| 59 | |
| 60 | return(&TopRider); |
| 61 | } |
| 62 | |