#include "../../emu.h"
#include "../device.h"
+#define MIRROR_HORIZ 0
+#define MIRROR_VERT 1
+#define MIRROR_4SCREEN 2
+
+namespace FAMILYBASIC {
+ class MEMORY;
+}
+
+namespace FAMILYBASIC {
class PPU : public DEVICE
{
private:
DEVICE *d_cpu;
+ FAMILYBASIC::MEMORY *d_memory;
scrntype_t palette_pc[64];
uint8_t screen[240][256 + 16]; // 2*8 = side margin
uint8_t solid_buf[512];
- uint8_t* banks[16];
- uint8_t header[16];
- uint8_t chr_rom[0x2000];
+ header_t header;
+ uint32_t banks[16];
+ uint8_t* bank_ptr[16];
+// uint8_t chr_rom[0x2000];
+ uint32_t chr_rom_size;
+ uint32_t chr_rom_mask;
+ uint8_t *chr_rom;
uint8_t name_tables[0x1000];
uint8_t spr_ram[0x100];
uint8_t bg_pal[0x10];
void update_palette();
public:
- PPU(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
+ PPU(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
{
set_device_name(_T("PPU"));
}
// common functions
void initialize();
+ void release();
void reset();
- void write_data8(uint32_t addr, uint32_t data);
- uint32_t read_data8(uint32_t addr);
+ void __FASTCALL write_data8(uint32_t addr, uint32_t data);
+ uint32_t __FASTCALL read_data8(uint32_t addr);
void event_vline(int v, int clock);
- void save_state(FILEIO* state_fio);
- bool load_state(FILEIO* state_fio);
+ bool process_state(FILEIO* state_fio, bool loading);
// unique functions
void set_context_cpu(DEVICE* device)
{
d_cpu = device;
}
+ void set_context_memory(FAMILYBASIC::MEMORY* device)
+ {
+ d_memory = device;
+ }
uint8_t *get_spr_ram()
{
return spr_ram;
}
+ uint8_t *get_name_tables()
+ {
+ return name_tables;
+ }
+ bool spr_enabled()
+ {
+ return ((regs[1] & 0x10) != 0);
+ }
+ bool bg_enabled()
+ {
+ return ((regs[1] & 0x08) != 0);
+ }
void load_rom_image(const _TCHAR *file_name);
void draw_screen();
+ void set_ppu_bank(uint8_t bank, uint32_t bank_num);
+ void set_mirroring(int mirror);
+ void set_mirroring(uint32_t nt0, uint32_t nt1, uint32_t nt2, uint32_t nt3);
};
+}
#endif