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Add mapper 446 using mapper emulation cores that can be included in other multi-ASIC mappers.

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NewRisingSun
2025-09-01 01:13:46 +02:00
parent 3544ff567e
commit a2fdeee096
57 changed files with 3063 additions and 441 deletions
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89
src/boards/asic_latch.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_latch.h"
static void (*Latch_cbSync)();
static uint16 Latch_from, Latch_to;
static void (*Latch_cbWrite)(uint16*, uint8*, uint8);
uint16 Latch_address;
uint8 Latch_data;
static SFORMAT Latch_state[] = {
{&Latch_address, 2, "LATA" },
{&Latch_data, 1, "LATD" },
{ 0 }
};
DECLFW(Latch_write) {
uint16 newAddress = A &0xFFFF;
if (Latch_cbWrite) Latch_cbWrite(&newAddress, &V, CartBR(A));
Latch_address = A;
Latch_data = V;
Latch_cbSync();
}
static void Latch_clear () {
Latch_address = 0;
Latch_data = 0;
Latch_cbSync();
}
static void Latch_setHandlers() {
SetWriteHandler(Latch_from, Latch_to, Latch_write);
}
static void Latch_configure (void (*sync)(), uint16 from, uint16 to, void (*write)(uint16*, uint8*, uint8)) {
Latch_cbSync = sync;
Latch_from = from;
Latch_to = to;
Latch_cbWrite = write;
}
void Latch_activate (uint8 clear, void (*sync)(), uint16 from, uint16 to, void (*write)(uint16*, uint8*, uint8)) {
Latch_configure(sync, from, to, write);
Latch_setHandlers();
if (clear)
Latch_clear();
else
Latch_cbSync();
}
void Latch_addExState () {
AddExState(Latch_state, ~0, 0, 0);
}
void Latch_restore (int version) {
Latch_cbSync();
}
void Latch_power () {
Latch_setHandlers();
Latch_clear();
}
void Latch_init (CartInfo *info, void (*sync)(), uint16 from, uint16 to, void (*write)(uint16*, uint8*, uint8)) {
Latch_addExState();
Latch_configure(sync, from, to, write);
info->Power = Latch_power;
info->Reset = Latch_cbSync;
GameStateRestore = Latch_restore;
}