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rename struct Rom to struct rom

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This commit is contained in:
Vineet K 2024-07-21 14:48:29 -04:00
parent 7d148924e2
commit 362341eac3
4 changed files with 8 additions and 10 deletions
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3
cpu.c
View File

@ -36,7 +36,7 @@
#define PULL() \ #define PULL() \
(peek(0x0100 + ++regs.sp)) (peek(0x0100 + ++regs.sp))
struct Rom rom = {0}; struct rom rom = {0};
uint32_t cycles = 0; uint32_t cycles = 0;
bool page_crossed = false; bool page_crossed = false;
@ -1020,6 +1020,7 @@ main(int argc, char *argv[])
parse_rom(buf, buflen, &rom); parse_rom(buf, buflen, &rom);
free(buf); free(buf);
ppu.rom = &rom;
cpu_init(); cpu_init();

5
ppu.h
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@ -11,10 +11,7 @@ struct ppu {
uint8_t vram[2048]; uint8_t vram[2048];
uint8_t palette[16*2]; uint8_t palette[16*2];
uint16_t cycles, scanlines; uint16_t cycles, scanlines;
/* copied from rom */ struct rom *rom;
uint8_t *chr_rom;
size_t chr_rom_size;
enum screen_mirroring mirror;
}; };
extern struct ppu ppu; extern struct ppu ppu;

4
rom.c
View File

@ -6,7 +6,7 @@
#include "rom.h" #include "rom.h"
void void
parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom) parse_rom(const uint8_t *data, size_t data_len, struct rom *rom)
{ {
size_t prg_rom_offset = 16; size_t prg_rom_offset = 16;
size_t chr_rom_offset = 0; size_t chr_rom_offset = 0;
@ -48,7 +48,7 @@ parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom)
} }
void void
free_rom(struct Rom *rom) free_rom(struct rom *rom)
{ {
free(rom->prg_rom); free(rom->prg_rom);
if (rom->chr_rom_size > 0) if (rom->chr_rom_size > 0)

6
rom.h
View File

@ -7,7 +7,7 @@ enum screen_mirroring {
M_FOUR, M_FOUR,
}; };
struct Rom { struct rom {
char *prg_rom; char *prg_rom;
char *chr_rom; char *chr_rom;
size_t prg_rom_size; size_t prg_rom_size;
@ -16,7 +16,7 @@ struct Rom {
enum screen_mirroring mirror; enum screen_mirroring mirror;
}; };
void parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom); void parse_rom(const uint8_t *data, size_t data_len, struct rom *rom);
void free_rom(struct Rom *rom); void free_rom(struct rom *rom);
#endif /* ROM_H */ #endif /* ROM_H */