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Add mapper 370 and 395, update mapper 221

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Add support for mapper 395
Add support for mapper 370
Update mapper 221 for 2MB bank support
This commit is contained in:
negativeExponent
2020-10-26 09:22:11 +08:00
parent 0e173120c3
commit 344c12301f
5 changed files with 177 additions and 10 deletions
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67
src/boards/395.c Normal file
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/* FCEUmm - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2020 negativeExponent
*
* 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
*/
/* Mapper 395 - Realtec 8210
* Super Card 12-in-1 (SPC002)
* Super Card 13-in-1 (SPC003)
* Super Card 14-in-1 (King006)
* Super Card 14-in-1 (King007)
*/
#include "mapinc.h"
#include "mmc3.h"
static void M395CW(uint32 A, uint8 V) {
uint8 mask = EXPREGS[1] & 0x40 ? 0x7F : 0xFF;
setchr1(A, (V & mask) | ((EXPREGS[1] & 0x10) << 3) | ((EXPREGS[0] & 0x30) << 4) | ((EXPREGS[1] & 0x20) << 5));
}
static void M395PW(uint32 A, uint8 V) {
uint8 mask = EXPREGS[1] & 8 ? 0x0F : 0x1F;
setprg8(A, (V & mask) | ((EXPREGS[0] & 0x30) << 1) | ((EXPREGS[0] & 8) << 4) | ((EXPREGS[1] & 1) << 4));
}
static DECLFW(M395Write) {
if (!(EXPREGS[1] & 0x80)) {
EXPREGS[(A >> 4) & 1] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
}
static void M395Reset(void) {
EXPREGS[0] = EXPREGS[1] = 0;
MMC3RegReset();
}
static void M395Power(void) {
EXPREGS[0] = EXPREGS[1] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, M395Write);
}
void Mapper395_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 0, 0);
cwrap = M395CW;
pwrap = M395PW;
info->Power = M395Power;
info->Reset = M395Reset;
AddExState(EXPREGS, 2, 0, "EXPR");
}