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Add mapper 557.

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NewRisingSun
2025-09-11 00:03:29 +02:00
parent acdf0b83c1
commit 00b1bd0e9f
5 changed files with 183 additions and 0 deletions
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37
src/boards/557.c Normal file
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@@ -0,0 +1,37 @@
/* FCEUmm - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2020
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
#include "mapinc.h"
#include "asic_n118.h"
#include "wram.h"
static void sync() {
setprg8r(0x10, 0x6000, 0);
N118_syncPRG(0x0F, 0x00);
setchr8(0);
setmirror(N118_getCHRBank(7) &0x20? MI_H: MI_V);
}
void Mapper557_Init(CartInfo *info) {
N118_init(info, sync, NULL, NULL);
WRAM_init(info, 8);
}

108
src/boards/asic_n118.c Normal file
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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mapinc.h"
#include "asic_n118.h"
static void (*N118_cbSync)();
static int (*N118_cbGetPRGBank)(uint8);
static int (*N118_cbGetCHRBank)(uint8);
static uint8 N118_index;
static uint8 N118_reg[8];
static SFORMAT N118_state[] = {
{ N118_reg, 8, "N8RG" },
{&N118_index, 1, "N8IX" },
{ 0 }
};
int N118_getPRGBank (uint8 bank) {
return bank &2? (0xFE | bank &1): N118_reg[6 | bank &1];
}
int N118_getCHRBank (uint8 bank) {
return bank &4? N118_reg[bank -2]: (N118_reg[bank >>1] &~1 | bank &1);
}
void N118_syncPRG (int AND, int OR) {
int bank;
for (bank = 0; bank < 4; bank++) setprg8(0x8000 | bank <<13, N118_cbGetPRGBank(bank) &AND |OR);
}
void N118_syncCHR (int AND, int OR) {
int bank;
for (bank = 0; bank < 8; bank++) setchr1(bank <<10, N118_cbGetCHRBank(bank) &AND |OR);
}
DECLFW(N118_writeReg) {
if (A &1) {
N118_reg[N118_index &7] = V;
N118_cbSync();
} else
N118_index = V;
}
void N118_clear () {
N118_reg[0] = 0; N118_reg[1] = 2; N118_reg[2] = 4; N118_reg[3] = 5; N118_reg[4] = 6; N118_reg[5] = 7; N118_reg[6] = 0; N118_reg[7] = 1;
N118_index = 0;
N118_cbSync();
}
static void N118_setHandlers () {
SetReadHandler (0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW);
SetWriteHandler(0x8000, 0x9FFF, N118_writeReg);
}
static void N118_configure (void (*sync)(), int (*prg)(uint8), int (*chr)(uint8)) {
N118_cbSync = sync;
N118_cbGetPRGBank = prg? prg: N118_getPRGBank;
N118_cbGetCHRBank = chr? chr: N118_getCHRBank;
}
void N118_activate (uint8 clear, void (*sync)(), int (*prg)(uint8), int (*chr)(uint8)) {
N118_configure(sync, prg, chr);
N118_setHandlers();
if (clear)
N118_clear();
else
N118_cbSync();
}
void N118_addExState () {
AddExState(N118_state, ~0, 0, 0);
}
void N118_restore (int version) {
N118_cbSync();
}
void N118_power () {
N118_setHandlers();
N118_clear();
}
void N118_init (CartInfo *info, void (*sync)(), int (*prg)(uint8), int (*chr)(uint8)) {
N118_addExState();
N118_configure(sync, prg, chr);
info->Power = N118_power;
info->Reset = N118_cbSync;
GameStateRestore = N118_restore;
}

36
src/boards/asic_n118.h Normal file
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@@ -0,0 +1,36 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ASIC_N118_H
#define _ASIC_N118_H
int N118_getPRGBank (uint8);
int N118_getCHRBank (uint8);
void N118_syncPRG (int, int);
void N118_syncCHR (int, int);
DECLFW (N118_writeReg);
void N118_clear ();
void N118_activate (uint8, void (*)(), int (*)(uint8), int (*)(uint8));
void N118_addExState();
void N118_restore (int);
void N118_power ();
void N118_init (CartInfo *, void (*)(), int (*)(uint8), int (*)(uint8));
#endif

1
src/ines.c
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@@ -965,6 +965,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "KS-7010", 554, Mapper554_Init )
INES_BOARD( "", 555, Mapper555_Init )
INES_BOARD( "JY-215", 556, Mapper556_Init )
INES_BOARD( "NTDEC 2718", 557, Mapper557_Init )
INES_BOARD( "YC-03-09", 558, Mapper558_Init )
INES_BOARD( "Subor Sango II", 559, Mapper559_Init )
INES_BOARD( "Bung Super Game Doctor", 561, Mapper561_562_Init )

1
src/ines.h
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@@ -432,6 +432,7 @@ void Mapper553_Init(CartInfo *);
void Mapper554_Init(CartInfo *);
void Mapper555_Init(CartInfo *);
void Mapper556_Init(CartInfo *);
void Mapper557_Init(CartInfo *);
void Mapper558_Init(CartInfo *);
void Mapper559_Init(CartInfo *);
void Mapper561_562_Init(CartInfo *);