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Add mapper 583.

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NewRisingSun
2025-09-09 00:44:10 +02:00
parent a57d1d5955
commit ced209604c
3 changed files with 52 additions and 0 deletions
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50
src/boards/583.c Normal file
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@@ -0,0 +1,50 @@
/* 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 void sync () {
int prg = Latch_address &~0xF | Latch_address <<3 &0x08;
if (Latch_address &0x20) {
setprg32(0x8000, prg >>1 &~7 | Latch_data &7);
setmirror(Latch_data &0x10? MI_1: MI_0);
} else {
if (Latch_address &0x10 && Latch_address &0x08) {
setprg16(0x8000, prg &~0x03 | Latch_data &0x03);
setprg16(0xC000, prg | 0x03);
setmirror(MI_H);
} else {
setprg16(0x8000, prg &~0x07 | Latch_data &0x07);
setprg16(0xC000, prg | 0x07);
setmirror(MI_V);
}
}
setchr8(0);
}
static void trapLatchWrite (uint16 *newAddress, uint8 *newValue, uint8 romValue) { /* The address bits are only updated on a rising edge of A7. */
if (!(~Latch_address &0x80 && *newAddress &0x80)) *newAddress = Latch_address;
}
void Mapper583_Init (CartInfo *info) {
Latch_init(info, sync, 0x8000, 0xFFFF, trapLatchWrite);
info->Reset = Latch_power;
}

1
src/ines.c
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@@ -954,6 +954,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "5068", 573, Mapper573_Init )
INES_BOARD( "T-215", 579, Mapper579_Init )
INES_BOARD( "ET-82", 581, Mapper581_Init )
INES_BOARD( "8203", 583, Mapper583_Init )
INES_BOARD( "HN-02", 586, Mapper586_Init )
INES_BOARD( "ET-81", 588, Mapper588_Init )
INES_BOARD( "810706", 589, Mapper589_Init )

1
src/ines.h
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@@ -419,6 +419,7 @@ void Mapper567_Init(CartInfo *);
void Mapper573_Init(CartInfo *);
void Mapper579_Init(CartInfo *);
void Mapper581_Init(CartInfo *);
void Mapper583_Init(CartInfo *);
void Mapper586_Init(CartInfo *);
void Mapper588_Init(CartInfo *);
void Mapper589_Init(CartInfo *);