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Libretro: Attempt to fix #3202

This commit is contained in:
Vicki Pfau 2024-05-08 17:06:53 -07:00
parent 1ca75446c6
commit e73f302aee
1 changed files with 10 additions and 3 deletions
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13
src/platform/libretro/libretro.c
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@ -744,7 +744,7 @@ static void _setupMaps(struct mCore* core) {
#ifdef M_CORE_GB
if (core->platform(core) == mPLATFORM_GB) {
struct GB* gb = core->board;
struct retro_memory_descriptor descs[11];
struct retro_memory_descriptor descs[12];
struct retro_memory_map mmaps;
memset(descs, 0, sizeof(descs));
@ -814,8 +814,16 @@ static void _setupMaps(struct mCore* core) {
if (savedataSize) {
descs[i].ptr = savedata;
descs[i].start = GB_BASE_EXTERNAL_RAM;
descs[i].len = savedataSize;
descs[i].len = savedataSize < GB_SIZE_EXTERNAL_RAM ? savedataSize : GB_SIZE_EXTERNAL_RAM;
i++;
if ((savedataSize & ~0xFF) > GB_SIZE_EXTERNAL_RAM) {
descs[i].ptr = savedata;
descs[i].offset = GB_SIZE_EXTERNAL_RAM;
descs[i].start = GB_BASE_EXTERNAL_RAM;
descs[i].len = savedataSize - GB_SIZE_EXTERNAL_RAM;
i++;
}
}
if (gb->model >= GB_MODEL_CGB) {
@ -825,7 +833,6 @@ static void _setupMaps(struct mCore* core) {
descs[i].ptr = gb->memory.wram + 0x2000;
descs[i].start = 0x10000;
descs[i].len = GB_SIZE_WORKING_RAM - 0x2000;
descs[i].select = 0xFFFFA000;
i++;
}