Files
ci-libretro-fceumm/src/boards/549.c
2025-09-12 01:28:11 +02:00

46 lines
1.2 KiB
C

/* 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"
#include "../fds_apu.h"
static void sync () {
setprg8(0x6000, Latch_address >>2 | Latch_address >>3 &0x04);
setprg32(0x8000, 2);
setchr8(0);
}
static void power() {
Latch_power();
FDSSoundPower();
}
static void reset() {
FDSSoundReset();
Latch_clear();
}
void Mapper549_Init (CartInfo *info) {
Latch_init(info, sync, 0x8000, 0xFFFF, NULL);
info->Power = power;
info->Reset = reset;
}