Add mapper 559.

This commit is contained in:
NewRisingSun
2025-04-10 18:35:30 +02:00
committed by LibretroAdmin
parent c5ff3d7958
commit c23a5c7b5f
4 changed files with 73 additions and 1 deletions

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@@ -41,7 +41,6 @@ DECLFW(UNLAX5705_unscrambleAddress) {
VRC24_writeReg(A &~0x1000 | A <<9 &0x1000, V);
}
void UNLAX5705_power (void) {
VRC24_power();
SetWriteHandler(0x8000, 0xFFFF, UNLAX5705_unscrambleAddress);

71
src/boards/559.c Normal file
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@@ -0,0 +1,71 @@
/* 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 "vrc2and4.h"
static uint8 nt[4];
static uint8 prg;
static SFORMAT stateRegs[] ={
{ nt, 4, "EXPN" },
{ &prg, 1, "PRGC" },
{ 0 }
};
static void sync () {
int bank;
VRC24_syncWRAM(0);
VRC24_syncPRG(0x01F, 0x000);
VRC24_syncCHR(0x1FF, 0x000);
setmirrorw(nt[0] &1, nt[1] &1, nt[2] &1, nt[3] &1);
}
int Mapper559_getPRGBank(int bank) {
return bank ==2? prg: VRC24_getPRGBank(bank);
}
DECLFW(Mapper559_externalSelect) {
if (A &4)
nt[A &3] =V;
else
prg =V;
VRC24_Sync();
}
DECLFW(Mapper559_nibblizeData) {
VRC24_writeReg(A, V >>(A &0x400? 4: 0));
}
void Mapper559_power (void) {
nt[0] =nt[1] =0xE0;
nt[2] =nt[3] =0xE1;
prg =0xFE;
VRC24_power();
SetWriteHandler(0xB000, 0xFFFF, Mapper559_nibblizeData);
}
void Mapper559_Init (CartInfo *info) {
VRC24_init(info, sync, 0x400, 0x800, 1, 1, 0);
info->Power =Mapper559_power;
VRC24_GetPRGBank =Mapper559_getPRGBank;
VRC24_ExternalSelect =Mapper559_externalSelect;
AddExState(stateRegs, ~0, 0, 0);
}

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@@ -895,6 +895,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "JY-215", 556, Mapper556_Init )
INES_BOARD( "", 550, Mapper550_Init )
INES_BOARD( "YC-03-09", 558, Mapper558_Init )
INES_BOARD( "Subor Sango II", 559, Mapper559_Init )
INES_BOARD_END()
static uint32 iNES_get_mapper_id(void)

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@@ -393,5 +393,6 @@ void Mapper554_Init(CartInfo *);
void Mapper555_Init(CartInfo *);
void Mapper556_Init(CartInfo *);
void Mapper558_Init(CartInfo *);
void Mapper559_Init(CartInfo *);
#endif