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Add mapper 573.

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NewRisingSun
2025-09-09 00:07:49 +02:00
parent fc816dacf7
commit 297e4f5864
3 changed files with 50 additions and 0 deletions
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48
src/boards/573.c Normal file
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@@ -0,0 +1,48 @@
/* 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_latch.h"
static DECLFR(readOB) {
return X.DB;
}
static void sync () {
if (Latch_address &0x02) {
setprg16(0x8000, Latch_address <<3 &0x10 | Latch_data &0x0F);
setprg16(0xC000, Latch_address <<3 &0x10 | 0x0F);
} else {
setprg16(0x8000, Latch_address <<3 &0x18 | Latch_data &0x07);
setprg16(0xC000, Latch_address <<3 &0x18 | 0x07);
}
SetReadHandler(0x8000, 0xFFFF, Latch_address &0x10 && ROM_size >8? readOB: CartBR);
setchr8(0);
}
static void trapLatchWrite (uint16 *newAddress, uint8 *newValue, uint8 romValue) {
if (Latch_address &0x20) *newAddress = Latch_address; /* Once bit 5 is set, only the inner bank bits can be modified. */
*newValue &= romValue; /* AND-type bus conflicts */
}
void Mapper573_Init (CartInfo *info) {
Latch_init(info, sync, 0x8000, 0xFFFF, trapLatchWrite);
info->Reset = Latch_power;
}

1
src/ines.c
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@@ -951,6 +951,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "Venus Turbo Game Doctor", 562, Mapper561_562_Init )
INES_BOARD( "J-2020", 563, Mapper563_Init )
INES_BOARD( "Top Ten Variety (SF III)", 567, Mapper567_Init )
INES_BOARD( "5068", 573, Mapper573_Init )
INES_BOARD( "T-215", 579, Mapper579_Init )
INES_BOARD( "ET-82", 581, Mapper581_Init )
INES_BOARD( "HN-02", 586, Mapper586_Init )

1
src/ines.h
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@@ -416,6 +416,7 @@ void Mapper559_Init(CartInfo *);
void Mapper561_562_Init(CartInfo *);
void Mapper563_Init(CartInfo *);
void Mapper567_Init(CartInfo *);
void Mapper573_Init(CartInfo *);
void Mapper579_Init(CartInfo *);
void Mapper581_Init(CartInfo *);
void Mapper586_Init(CartInfo *);