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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 uint8 HSVal,HSValR; |
25 | |
26 | |
27 | static uint8 FP_FASTAPASS(2) HS_Read(int w, uint8 ret) |
28 | { |
29 | if(w) ret|=HSValR; |
30 | |
31 | return(ret); |
32 | } |
33 | |
34 | static void HS_Strobe(void) |
35 | { |
36 | HSValR=HSVal<<1; |
37 | } |
38 | |
39 | static void FP_FASTAPASS(2) HS_Update(void *data, int arg) |
40 | { |
41 | HSVal=*(uint8*)data; |
42 | } |
43 | |
44 | static INPUTCFC HyperShot={HS_Read,0,HS_Strobe,HS_Update,0,0}; |
45 | |
46 | INPUTCFC *FCEU_InitHS(void) |
47 | { |
48 | HSVal=HSValR=0; |
49 | return(&HyperShot); |
50 | } |