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Merge pull request #410 from negativeExponent/mappers

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add mapper 401
This commit is contained in:
Autechre
2020-11-16 22:50:19 +01:00
committed by GitHub
parent 970509ac47 faa58abe0f
commit 0c99601605
5 changed files with 120 additions and 16 deletions
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37
src/boards/293.c
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@@ -34,44 +34,49 @@ static void Sync(void) {
uint8 bank = ((regs[1] << 5) & 0x20) | ((regs[1] >> 1) & 0x18);
uint8 block = (regs[0] & 7);
switch (mode) {
case 0: /* UNROM */
setprg16(0x8000, bank | block);
setprg16(0xC000, bank | 7);
case 0: /* UNROM */
setprg16(0x8000, bank | block);
setprg16(0xC000, bank | 7);
break;
case 1:
setprg16(0x8000, bank | block & 0xFE);
setprg16(0xC000, bank | 7);
break;
case 2: /* NROM-128 */
case 2: /* NROM-128 */
setprg16(0x8000, bank | block);
setprg16(0xC000, bank | block);
setprg16(0xC000, bank | block);
break;
case 3: /* NROM-256 */
case 3: /* NROM-256 */
setprg32(0x8000, (bank | block) >> 1);
break;
}
setchr8(0);
setmirror(((regs[1] >> 7) & 1) ^ 1);
break;
}
setchr8(0);
setmirror(((regs[1] >> 7) & 1) ^ 1);
}
static DECLFW(M293Write1) {
if (A < 0xA000) regs[0] = V;
regs[0] = V;
regs[1] = V;
Sync();
Sync();
}
static DECLFW(M293Write2) {
if (A < 0xA000) regs[1] = V;
regs[1] = V;
Sync();
}
static DECLFW(M293Write3) {
regs[0] = V;
Sync();
Sync();
}
static void M293Power(void) {
regs[0] = regs[1] = 0;
Sync();
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xBFFF, M293Write1);
SetWriteHandler(0xC000, 0xDFFF, M293Write2);
SetWriteHandler(0x8000, 0x9FFF, M293Write1);
SetWriteHandler(0xA000, 0xBFFF, M293Write2);
SetWriteHandler(0xC000, 0xDFFF, M293Write3);
}
static void StateRestore(int version) {

96
src/boards/401.c Normal file
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@@ -0,0 +1,96 @@
/* 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
*
* NES 2.0 - Mapper 401 (reference from NewRisingSun)
* Super 19-in-1 (VIP19) (crc 0x2F497313)
*
*/
#include "mapinc.h"
#include "mmc3.h"
static uint8 dipswitch = 0;
static void M401CW(uint32 A, uint8 V) {
uint32 mask = (0xFF >> (~EXPREGS[2] &0xF));
uint32 bank = (EXPREGS[0] | ((EXPREGS[2] << 4) &0xF00));
setchr1(A, (V & mask) | bank);
}
static void M401PW(uint32 A, uint8 V) {
if ((dipswitch & 1) && (EXPREGS[1] &0x80)) {
/* openbus */
} else {
uint32 mask = (~EXPREGS[3] & 0x1F);
uint32 bank = (EXPREGS[1] & 0x1F) | (EXPREGS[2] & 0x80) |
((dipswitch & 2) ? (EXPREGS[2] & 0x20) : ((EXPREGS[1] >> 1) & 0x20)) |
((dipswitch & 4) ? (EXPREGS[2] & 0x40) : ((EXPREGS[1] << 1) & 0x40));
setprg8(A, (V & mask) | bank);
}
}
static DECLFR(M401Read) {
if ((dipswitch & 1) && (EXPREGS[1] & 0x80))
return X.DB;
return CartBR(A);
}
static DECLFW(M401Write) {
/* FCEU_printf("Wr A:%04x V:%02x index:%d\n", A, V, EXPREGS[4]); */
if (!(EXPREGS[3] & 0x40)) {
EXPREGS[EXPREGS[4]] = V;
EXPREGS[4] = (EXPREGS[4] + 1) & 3;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
CartBW(A, V);
}
static void M401Reset(void) {
dipswitch = (dipswitch + 1) & 7;
FCEU_printf("dipswitch = %d\n", dipswitch);
EXPREGS[0] = 0x00;
EXPREGS[1] = 0x00;
EXPREGS[2] = 0x0F;
EXPREGS[3] = 0x00;
EXPREGS[4] = 0x00;
MMC3RegReset();
}
static void M401Power(void) {
dipswitch = 7;
EXPREGS[0] = 0x00;
EXPREGS[1] = 0x00;
EXPREGS[2] = 0x0F;
EXPREGS[3] = 0x00;
EXPREGS[4] = 0x00;
GenMMC3Power();
SetReadHandler(0x8000, 0xFFFF, M401Read);
SetWriteHandler(0x6000, 0x7FFF, M401Write);
}
void Mapper401_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 8, 0);
cwrap = M401CW;
pwrap = M401PW;
info->Power = M401Power;
info->Reset = M401Reset;
AddExState(EXPREGS, 5, 0, "EXPR");
AddExState(dipswitch, 1, 0, "DPSW");
}

1
src/ines-correct.h
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@@ -667,6 +667,7 @@
{ 0xdb2d2d88, 369, DEFAULT, DEFAULT, 0, 0x07, DEFAULT, DEFAULT, NOEXTRA }, /* Super Mario Bros. Party.nes */
{ 0x87f83ea2, 380, DEFAULT, DEFAULT, 0, DEFAULT, 0x07, DEFAULT, NOEXTRA }, /* 42 to 80,000 */
{ 0xc4b94bd5, 389, DEFAULT, DEFAULT, 0, DEFAULT, DEFAULT, DEFAULT, NOEXTRA }, /* Caltron - 9 in 1 (USA) (Proto) (Unl).nes */
{ 0x2F497313, 401, DEFAULT, DEFAULT, 0, DEFAULT, DEFAULT, DEFAULT, NOEXTRA }, /* Super 19-in-1 (VIP19) */
/* ines mappers that uses unif boards */

1
src/ines.c
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@@ -705,6 +705,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "Realtec 8031", 390, Mapper390_Init )
INES_BOARD( "NewStar 12-in-1/7-in-1", 293, Mapper293_Init )
INES_BOARD( "Realtec 8210", 395, Mapper395_Init )
INES_BOARD( "BMC Super 19-in-1 (VIP19)", 401, Mapper401_Init )
INES_BOARD( "A88S-1", 411, Mapper411_Init )
INES_BOARD( "Brilliant Com Cocoma Pack", 516, Mapper516_Init )
INES_BOARD( "Sachen 3014", 533, Mapper533_Init )

1
src/ines.h
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@@ -269,6 +269,7 @@ void Mapper382_Init(CartInfo *);
void Mapper389_Init(CartInfo *);
void Mapper390_Init(CartInfo *);
void Mapper395_Init(CartInfo *);
void Mapper401_Init(CartInfo *);
void Mapper411_Init(CartInfo *);
void Mapper516_Init(CartInfo *);
void Mapper533_Init(CartInfo *);