2 Nintendo Family BASIC Emulator 'eFamilyBASIC'
5 Author : Takeda.Toshiya
15 #include "../../emu.h"
16 #include "../device.h"
18 #define MIRROR_HORIZ 0
20 #define MIRROR_4SCREEN 2
22 class FAMILYBASIC_MEMORY;
24 class PPU : public DEVICE
28 FAMILYBASIC_MEMORY *d_memory;
30 scrntype_t palette_pc[64];
31 uint8_t screen[240][256 + 16]; // 2*8 = side margin
32 uint8_t solid_buf[512];
36 uint8_t* bank_ptr[16];
37 // uint8_t chr_rom[0x2000];
38 uint32_t chr_rom_size;
39 uint32_t chr_rom_mask;
41 uint8_t name_tables[0x1000];
42 uint8_t spr_ram[0x100];
44 uint8_t spr_pal[0x10];
45 uint8_t spr_ram_rw_ptr;
48 uint16_t bg_pattern_table_addr;
49 uint16_t spr_pattern_table_addr;
50 uint16_t ppu_addr_inc;
52 bool toggle_2005_2006;
53 uint8_t read_2007_buffer;
59 void render_scanline(int v);
60 void render_bg(int v);
61 void render_spr(int v);
62 void update_palette();
65 PPU(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
67 set_device_name(_T("PPU"));
75 void write_data8(uint32_t addr, uint32_t data);
76 uint32_t read_data8(uint32_t addr);
77 void event_vline(int v, int clock);
78 bool process_state(FILEIO* state_fio, bool loading);
81 void set_context_cpu(DEVICE* device)
85 void set_context_memory(FAMILYBASIC_MEMORY* device)
89 uint8_t *get_spr_ram()
93 uint8_t *get_name_tables()
99 return ((regs[1] & 0x10) != 0);
103 return ((regs[1] & 0x08) != 0);
105 void load_rom_image(const _TCHAR *file_name);
107 void set_ppu_bank(uint8_t bank, uint32_t bank_num);
108 void set_mirroring(int mirror);
109 void set_mirroring(uint32_t nt0, uint32_t nt1, uint32_t nt2, uint32_t nt3);