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1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
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4 | * Copyright (C) 2002 Xodnizel |
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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 | |
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23 | static int ay; |
24 | static DECLFW(Mapper59_write) |
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25 | { |
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26 | //printf("$%04x:$%02x\n",A,V); |
27 | setprg32(0x8000,(A&0x70)>>4); |
28 | setchr8(A&0x7); |
29 | //if(A&0x100) |
30 | // setprg32r(0x10,0x8000,0); |
31 | ay=A; |
32 | MIRROR_SET2((A&0x8)>>3); |
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33 | } |
34 | |
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35 | static DECLFR(m59rd) |
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36 | { |
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37 | if(ay&0x100) return(0); |
38 | else |
39 | return(CartBR(A)); |
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40 | } |
41 | |
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42 | void Mapper59_init(void) |
43 | { |
44 | setprg32(0x8000,0); |
45 | SetReadHandler(0x8000,0xffff,m59rd); |
46 | SetWriteHandler(0x8000,0xffff,Mapper59_write); |
47 | } |