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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 | |
24 | |
25 | DECLFW(Mapper80_write) |
26 | { |
27 | switch(A) |
28 | { |
29 | case 0x7ef0: VROM_BANK1(0x000,V);VROM_BANK1(0x400,(V+1));break; |
30 | case 0x7ef1: VROM_BANK1(0x800,V);VROM_BANK1(0xC00,(V+1));break; |
31 | |
32 | case 0x7ef2: VROM_BANK1(0x1000,V);break; |
33 | case 0x7ef3: VROM_BANK1(0x1400,V);break; |
34 | case 0x7ef4: VROM_BANK1(0x1800,V);break; |
35 | case 0x7ef5: VROM_BANK1(0x1c00,V);break; |
36 | case 0x7efa: |
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37 | case 0x7efb: ROM_BANK8(0x8000,V); |
38 | X6502_Rebase();break; |
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39 | case 0x7efd: |
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40 | case 0x7efc: ROM_BANK8(0xA000,V); |
41 | X6502_Rebase();break; |
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42 | case 0x7efe: |
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43 | case 0x7eff: ROM_BANK8(0xC000,V); |
44 | X6502_Rebase();break; |
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45 | } |
46 | } |
47 | |
48 | void Mapper80_init(void) |
49 | { |
50 | SetWriteHandler(0x4020,0x7fff,Mapper80_write); |
51 | } |
52 | |