1 /* FCE Ultra - NES/Famicom Emulator
\r
3 * Copyright notice for this file:
\r
4 * Copyright (C) 2011 CaH4e3
\r
6 * This program is free software; you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation; either version 2 of the License, or
\r
9 * (at your option) any later version.
\r
11 * This program is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with this program; if not, write to the Free Software
\r
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
\r
26 static uint8 reg[8], mirror;
\r
27 static SFORMAT StateRegs[]=
\r
30 {&mirror, 1, "MIRR"},
\r
34 static void Sync(void)
\r
36 setprg2(0x6000,reg[4]);
\r
37 setprg2(0x6800,reg[5]);
\r
38 setprg2(0x7000,reg[6]);
\r
39 setprg2(0x7800,reg[7]);
\r
40 setprg2(0x8000,reg[0]);
\r
41 setprg2(0x8800,reg[1]);
\r
42 setprg2(0x9000,reg[2]);
\r
43 setprg2(0x9800,reg[3]);
\r
44 setprg8(0xA000,0xd);
\r
50 static DECLFW(UNLKS7057Write)
\r
60 case 0x9003: mirror = V & 1; Sync(); break;
\r
61 case 0xB000: reg[0] = (reg[0] & 0xF0) | (V & 0x0F); Sync(); break;
\r
62 case 0xB001: reg[0] = (reg[0] & 0x0F) | (V << 4); Sync(); break;
\r
63 case 0xB002: reg[1] = (reg[1] & 0xF0) | (V & 0x0F); Sync(); break;
\r
64 case 0xB003: reg[1] = (reg[1] & 0x0F) | (V << 4); Sync(); break;
\r
65 case 0xC000: reg[2] = (reg[2] & 0xF0) | (V & 0x0F); Sync(); break;
\r
66 case 0xC001: reg[2] = (reg[2] & 0x0F) | (V << 4); Sync(); break;
\r
67 case 0xC002: reg[3] = (reg[3] & 0xF0) | (V & 0x0F); Sync(); break;
\r
68 case 0xC003: reg[3] = (reg[3] & 0x0F) | (V << 4); Sync(); break;
\r
69 case 0xD000: reg[4] = (reg[4] & 0xF0) | (V & 0x0F); Sync(); break;
\r
70 case 0xD001: reg[4] = (reg[4] & 0x0F) | (V << 4); Sync(); break;
\r
71 case 0xD002: reg[5] = (reg[5] & 0xF0) | (V & 0x0F); Sync(); break;
\r
72 case 0xD003: reg[5] = (reg[5] & 0x0F) | (V << 4); Sync(); break;
\r
73 case 0xE000: reg[6] = (reg[6] & 0xF0) | (V & 0x0F); Sync(); break;
\r
74 case 0xE001: reg[6] = (reg[6] & 0x0F) | (V << 4); Sync(); break;
\r
75 case 0xE002: reg[7] = (reg[7] & 0xF0) | (V & 0x0F); Sync(); break;
\r
76 case 0xE003: reg[7] = (reg[7] & 0x0F) | (V << 4); Sync(); break;
\r
80 static void UNLKS7057Power(void)
\r
83 SetReadHandler(0x6000,0xFFFF,CartBR);
\r
84 SetWriteHandler(0x8000,0xFFFF,UNLKS7057Write);
\r
87 static void UNLKS7057Reset(void)
\r
92 void UNLKS7057_Init(CartInfo *info)
\r
94 info->Power=UNLKS7057Power;
\r
95 info->Reset=UNLKS7057Reset;
\r
96 AddExState(&StateRegs, ~0, 0, 0);
\r