#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 palette_pc[64];
- uint8 screen[240][256 + 16]; // 2*8 = side margin
- uint8 solid_buf[512];
+ scrntype_t palette_pc[64];
+ uint8_t screen[240][256 + 16]; // 2*8 = side margin
+ uint8_t solid_buf[512];
- uint8* banks[16];
- uint8 header[16];
- uint8 chr_rom[0x2000];
- uint8 name_tables[0x1000];
- uint8 spr_ram[0x100];
- uint8 bg_pal[0x10];
- uint8 spr_pal[0x10];
- uint8 spr_ram_rw_ptr;
+ 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];
+ uint8_t spr_pal[0x10];
+ uint8_t spr_ram_rw_ptr;
- uint8 regs[8];
- uint16 bg_pattern_table_addr;
- uint16 spr_pattern_table_addr;
- uint16 ppu_addr_inc;
- uint8 rgb_bak;
+ uint8_t regs[8];
+ uint16_t bg_pattern_table_addr;
+ uint16_t spr_pattern_table_addr;
+ uint16_t ppu_addr_inc;
+ uint8_t rgb_bak;
bool toggle_2005_2006;
- uint8 read_2007_buffer;
+ uint8_t read_2007_buffer;
- uint16 loopy_v;
- uint16 loopy_t;
- uint8 loopy_x;
+ uint16_t loopy_v;
+ uint16_t loopy_t;
+ uint8_t loopy_x;
void render_scanline(int v);
void render_bg(int v);
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"));
+ }
~PPU() {}
// common functions
void initialize();
+ void release();
void reset();
- void write_data8(uint32 addr, uint32 data);
- uint32 read_data8(uint32 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;
}
- uint8 *get_spr_ram()
+ 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