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Load ROM from buffer API

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This commit is contained in:
Lior Halphon 2019-07-16 21:04:29 +03:00
parent ce9ce07817
commit 2d7f54a775
2 changed files with 18 additions and 1 deletions
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18
Core/gb.c
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@ -198,13 +198,29 @@ int GB_load_rom(GB_gameboy_t *gb, const char *path)
}
gb->rom = malloc(gb->rom_size);
memset(gb->rom, 0xFF, gb->rom_size); /* Pad with 0xFFs */
fread(gb->rom, gb->rom_size, 1, f);
fread(gb->rom, 1, gb->rom_size, f);
fclose(f);
GB_configure_cart(gb);
return 0;
}
void GB_load_rom_from_buffer(GB_gameboy_t *gb, const uint8_t *buffer, size_t size)
{
gb->rom_size = (size + 0x3fff) & ~0x3fff;
while (gb->rom_size & (gb->rom_size - 1)) {
gb->rom_size |= gb->rom_size >> 1;
gb->rom_size++;
}
if (gb->rom) {
free(gb->rom);
}
gb->rom = malloc(gb->rom_size);
memset(gb->rom, 0xff, gb->rom_size);
memcpy(gb->rom, buffer, size);
GB_configure_cart(gb);
}
typedef struct {
uint8_t seconds;
uint8_t padding1[3];

1
Core/gb.h
View File

@ -667,6 +667,7 @@ void GB_set_user_data(GB_gameboy_t *gb, void *data);
int GB_load_boot_rom(GB_gameboy_t *gb, const char *path);
void GB_load_boot_rom_from_buffer(GB_gameboy_t *gb, const unsigned char *buffer, size_t size);
int GB_load_rom(GB_gameboy_t *gb, const char *path);
void GB_load_rom_from_buffer(GB_gameboy_t *gb, const uint8_t *buffer, size_t size);
int GB_save_battery(GB_gameboy_t *gb, const char *path);
void GB_load_battery(GB_gameboy_t *gb, const char *path);