#define CMD_BUFFER_LEN 1024
struct psx_gpu {
- uint16_t vram[1024 * 512];
- uint16_t guard[1024 * 512]; // overdraw guard
uint32_t cmd_buffer[CMD_BUFFER_LEN];
uint32_t regs[16];
+ uint16_t *vram;
union {
uint32_t reg;
struct {
uint32_t pending_fill[3];
} frameskip;
uint16_t *enhancement_bufer;
+ void *(*mmap)(unsigned int size);
+ void (*munmap)(void *ptr, unsigned int size);
};
extern struct psx_gpu gpu;