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Mapper 301: This is a duplicate of 242, so make the UNIF 8127 board run as mapper 242, and reassign iNES mapper #301 to new K-3003.

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NewRisingSun
2025-10-25 13:59:36 +02:00
parent 0a4c82155b
commit 65cf86e148
5 changed files with 63 additions and 84 deletions
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59
src/boards/301.c Normal file
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@@ -0,0 +1,59 @@
/* 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 uint8 half;
static uint8 reg;
static void sync () {
setprg16(0x8000, half <<5 &0x20 | reg <<3 &0x18 | Latch_data &0x07);
setprg16(0xC000, half <<5 &0x20 | reg <<3 &0x18 | 0x07);
setchr8(0);
setmirror(reg &0x04? MI_H: MI_V);
}
static DECLFW (writeReg) {
reg = V;
sync();
}
static void power () {
half = 0;
reg = 0;
Latch_power();
SetWriteHandler(0x5000, 0x5FFF, writeReg);
}
static void reset () {
half ^= 1;
reg = 0;
RAM[0x100] =0;
Latch_clear();
}
void Mapper301_Init (CartInfo *info) {
Latch_init(info, sync, 0x8000, 0xFFFF, NULL);
info->Power = power;
info->Reset = reset;
AddExState(&half, 1, 0, "HALF");
AddExState(&reg, 1, 0, "EXPR");
}

81
src/boards/8157.c
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@@ -1,81 +0,0 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2005 CaH4e3
*
* 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
*
* GG1 boards, similar to T-262, with no Data latch
*
*/
#include "mapinc.h"
static uint16 cmdreg;
static uint8 reset;
static SFORMAT StateRegs[] =
{
{ &reset, 1, "REST" },
{ &cmdreg, 2, "CREG" },
{ 0 }
};
static void Sync(void) {
uint32 base = ((cmdreg & 0x060) | ((cmdreg & 0x100) >> 1)) >> 2;
uint32 bank = (cmdreg & 0x01C) >> 2;
uint32 lbank = (cmdreg & 0x200) ? 7 : ((cmdreg & 0x80) ? bank : 0);
setprg16(0x8000, base | bank);
setprg16(0xC000, base | lbank);
setmirror(((cmdreg & 2) >> 1) ^ 1);
}
static DECLFR(UNL8157Read) {
if ((cmdreg & 0x100) && (PRGsize[0] < (1024 * 1024))) {
A = (A & 0xFFF0) + reset;
}
return CartBR(A);
}
static DECLFW(UNL8157Write) {
cmdreg = A;
Sync();
}
static void UNL8157Power(void) {
setchr8(0);
SetWriteHandler(0x8000, 0xFFFF, UNL8157Write);
SetReadHandler(0x8000, 0xFFFF, UNL8157Read);
cmdreg = reset = 0;
Sync();
}
static void UNL8157Reset(void) {
cmdreg = reset = 0;
reset++;
reset &= 0x1F;
Sync();
}
static void UNL8157Restore(int version) {
Sync();
}
void UNL8157_Init(CartInfo *info) {
info->Power = UNL8157Power;
info->Reset = UNL8157Reset;
GameStateRestore = UNL8157Restore;
AddExState(&StateRegs, ~0, 0, 0);
}

2
src/ines.c
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@@ -750,7 +750,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "TF1201", 298, UNLTF1201_Init )
INES_BOARD( "11160", 299, BMC11160_Init )
INES_BOARD( "190in1", 300, BMC190in1_Init )
INES_BOARD( "8157", 301, UNL8157_Init )
INES_BOARD( "K-3003", 301, Mapper301_Init )
INES_BOARD( "KS7057", 302, UNLKS7057_Init )
INES_BOARD( "KS7017", 303, UNLKS7017_Init )
INES_BOARD( "SMB2J", 304, UNLSMB2J_Init )

1
src/ines.h
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@@ -273,6 +273,7 @@ void Mapper288_Init(CartInfo *);
void Mapper293_Init(CartInfo *);
void Mapper294_Init(CartInfo *);
void Mapper297_Init(CartInfo *);
void Mapper301_Init(CartInfo *);
void Mapper310_Init(CartInfo *);
void Mapper319_Init(CartInfo *);
void Mapper321_Init(CartInfo *);

4
src/unif.c
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@@ -430,10 +430,10 @@ static BMAPPING bmap[] = {
{ "43272", 242, Mapper242_Init, 0 },
{ "603-5052", 238, UNL6035052_Init, 0 },
{ "64in1NoRepeat", 314, BMC64in1nr_Init, 0 },
{ "70in1", 236, Mapper236_Init, 0 },
{ "70in1", 236, Mapper236_Init, 0 },
{ "70in1B", 236, Mapper236_Init, 0 },
{ "810544-C-A1", 261, BMC810544CA1_Init, 0 },
{ "8157", 301, UNL8157_Init, 0 },
{ "8157", 242, Mapper242_Init, 0 },
{ "8237", 215, UNL8237_Init, 0 },
{ "8237A", 215, UNL8237A_Init, 0 },
{ "830118C", 348, BMC830118C_Init, 0 },