60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#include "cartridge.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "bus.h"
|
|
#include "mapper.h"
|
|
|
|
struct Cartridge* createCartridge(struct Bus* parent, const char* filepath)
|
|
{
|
|
struct Cartridge* cartridge = (struct Cartridge*)malloc(sizeof(struct Cartridge));
|
|
if (cartridge == NULL)
|
|
{
|
|
fprintf(stderr, "Failed to create cartridge.\n");
|
|
exit(1);
|
|
}
|
|
|
|
FILE* fp = fopen(filepath, "rb");
|
|
|
|
fread(&cartridge->header, sizeof(cartridge->header), 1, fp);
|
|
|
|
Byte mapperID = (cartridge->header.Flags7.mapper_upper_nibble << 4) | cartridge->header.Flags6.mapper_lower_nibble;
|
|
cartridge->mapper = createMapper(mapperID, cartridge->header.prg_rom_size, cartridge->header.chr_rom_size, fp);
|
|
|
|
cartridge->bus = parent;
|
|
|
|
fclose(fp);
|
|
return cartridge;
|
|
}
|
|
|
|
void destroyCartridge(struct Cartridge* cartridge)
|
|
{
|
|
destroyMapper(cartridge->mapper);
|
|
free(cartridge);
|
|
}
|
|
|
|
Byte readCartridgeCPU(struct Cartridge* cartridge, Word addr)
|
|
{
|
|
return MapperReadCPU(cartridge->mapper, addr);
|
|
}
|
|
|
|
Byte readCartridgePPU(struct Cartridge* cartridge, Word addr)
|
|
{
|
|
return MapperReadPPU(cartridge->mapper, addr);
|
|
}
|
|
|
|
void writeCartridgeCPU(struct Cartridge* cartridge, Word addr, Byte val)
|
|
{
|
|
MapperWriteCPU(cartridge->mapper, addr, val);
|
|
}
|
|
|
|
void writeCartridgePPU(struct Cartridge* cartridge, Word addr, Byte val)
|
|
{
|
|
MapperWritePPU(cartridge->mapper, addr, val);
|
|
}
|
|
|
|
void getPatternTableTexture(struct Cartridge* cartridge, SDL_Texture* texture, int index)
|
|
{
|
|
GetPatternTableTexture(cartridge->mapper, texture, index);
|
|
}
|