mirror of
https://github.com/dborth/fceugx.git
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134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 CaH4e3
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mapinc.h"
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#define CARD_EXTERNAL_INSERED 0x80
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static uint8 prg_reg;
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static uint8 chr_reg;
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static SFORMAT StateRegs[] =
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{
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{ &prg_reg, 1, "PREG" },
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{ &chr_reg, 1, "CREG" },
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{ 0 }
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};
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/*
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cmd[0] = response on/off
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0x00 - on
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0x80 - off
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cmd[1] = cmd
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_GET_CHALLENGE: .BYTE 0,$B4, 0, 0,$62
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_SELECT_FILE_1_0200: .BYTE 0,$A4, 1, 0, 2, 2, 0
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_SELECT_FILE_2_0201: .BYTE 0,$A4, 2, 0, 2, 2, 1
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_SELECT_FILE_2_0203: .BYTE 0,$A4, 2, 0, 2, 2, 3
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_SELECT_FILE_2_0204: .BYTE 0,$A4, 2, 0, 2, 2, 4
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_SELECT_FILE_2_0205: .BYTE 0,$A4, 2, 0, 2, 2, 5
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_SELECT_FILE_2_3F04: .BYTE 0,$A4, 2, 0, 2,$3F, 4
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_SELECT_FILE_2_4F00: .BYTE 0,$A4, 2, 0, 2,$4F, 0
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_READ_BINARY_5: .BYTE 0,$B0,$85, 0, 2
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_READ_BINARY_6: .BYTE 0,$B0,$86, 0, 4
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_READ_BINARY_6_0: .BYTE 0,$B0,$86, 0,$18
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_READ_BINARY_0: .BYTE 0,$B0, 0, 2, 3
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_READ_BINARY_0_0: .BYTE 0,$B0, 0, 0, 4
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_READ_BINARY_0_1: .BYTE 0,$B0, 0, 0, $C
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_READ_BINARY_0_2: .BYTE 0,$B0, 0, 0,$10
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_UPDATE_BINARY: .BYTE 0,$D6, 0, 0, 4
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_UPDATE_BINARY_0: .BYTE 0,$D6, 0, 0,$10
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_GET_RESPONSE: .BYTE $80,$C0, 2,$A1, 8
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_GET_RESPONSE_0: .BYTE 0,$C0, 0, 0, 2
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_GET_RESPONSE_1: .BYTE 0,$C0, 0, 0, 6
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_GET_RESPONSE_2: .BYTE 0,$C0, 0, 0, 8
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_GET_RESPONSE_3: .BYTE 0,$C0, 0, 0, $C
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_GET_RESPONSE_4: .BYTE 0,$C0, 0, 0,$10
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byte_8C0B: .BYTE $80,$30, 0, 2, $A, 0, 1
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byte_8C48: .BYTE $80,$32, 0, 1, 4
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byte_8C89: .BYTE $80,$34, 0, 0, 8, 0, 0
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byte_8D01: .BYTE $80,$36, 0, 0, $C
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byte_8CA7: .BYTE $80,$38, 0, 2, 4
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byte_8BEC: .BYTE $80,$3A, 0, 3, 0
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byte_89A0: .BYTE 0,$48, 0, 0, 6
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byte_8808: .BYTE 0,$54, 0, 0,$1C
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byte_89BF: .BYTE 0,$58, 0, 0,$1C
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_MANAGE_CHANNEL: .BYTE 0,$70, 0, 0, 8
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byte_8CE5: .BYTE 0,$74, 0, 0,$12
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byte_8C29: .BYTE 0,$76, 0, 0, 8
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byte_8CC6: .BYTE 0,$78, 0, 0,$12
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*/
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static uint8 sim0reset[0x1F] = {
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0x3B, 0xE9, 0x00, 0xFF, 0xC1, 0x10, 0x31, 0xFE,
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0x55, 0xC8, 0x10, 0x20, 0x55, 0x47, 0x4F, 0x53,
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0x56, 0x53, 0x43, 0xAD, 0x10, 0x10, 0x10, 0x10,
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0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10
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};
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static void Sync(void) {
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setprg32(0x8000, prg_reg);
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setchr8(chr_reg);
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}
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static void StateRestore(int version) {
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Sync();
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}
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static DECLFW(M216WriteHi) {
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prg_reg = A & 1;
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chr_reg = (A & 0x0E) >> 1;
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Sync();
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}
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static DECLFW(M216Write5000) {
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// FCEU_printf("WRITE: %04x:%04x (PC=%02x cnt=%02x)\n",A,V,X.PC,sim0bcnt);
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}
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static DECLFR(M216Read5000) {
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// FCEU_printf("READ: %04x PC=%04x out=%02x byte=%02x cnt=%02x bit=%02x\n",A,X.PC,sim0out,sim0byte,sim0bcnt,sim0bit);
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return 0;
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}
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static void Power(void) {
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prg_reg = 0;
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chr_reg = 0;
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Sync();
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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SetWriteHandler(0x8000, 0xFFFF, M216WriteHi);
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SetWriteHandler(0x5000, 0x5000, M216Write5000);
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SetReadHandler(0x5000, 0x5000, M216Read5000);
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}
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void Mapper216_Init(CartInfo *info) {
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info->Power = Power;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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