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ci-libretro-fceumm/src/boards/wram.c

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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 "wram.h"
static uint8 *WRAMData = NULL;
uint32 WRAMSize = 0;
void WRAM_close (void) {
if (WRAMData) {
FCEU_gfree(WRAMData);
WRAMData =NULL;
}
}
void WRAM_init (CartInfo *info, uint8 defaultWRAMSizeKiB) {
WRAMSize =info->iNES2? (info->PRGRamSize +info->PRGRamSaveSize): (defaultWRAMSizeKiB *1024);
if (WRAMSize) {
info->Close =WRAM_close;
WRAMData =(uint8*)FCEU_gmalloc(WRAMSize);
SetupCartPRGMapping(0x10, WRAMData, WRAMSize, 1);
AddExState(WRAMData, WRAMSize, 0, "WRAM");
if (info->battery) {
info->SaveGame[0] =WRAMData;
info->SaveGameLen[0] =WRAMSize;
}
}
}