kiwi/VDP.h at master · MeharDT/kiwi · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*
 * Megadrive VDP emulation
 */

void draw_cell_pixel(unsigned int cell, int cell_x, int cell_y, int x, int y);
void vdp_render_bg(int line, int priority);
void vdp_render_sprite(int sprite_index, int line);
void vdp_render_sprites(int line, int priority);
void vdp_render_line(int line);

void vdp_set_buffers(unsigned char *screen_buffer, unsigned char *scaled_buffer);
void vdp_debug_status(char *s);

enum ram_type {
    T_VRAM,
    T_CRAM,
    T_VSRAM
};

void vdp_data_write(unsigned int value, enum ram_type type, int dma);
void vdp_data_port_write(unsigned int value);
void vdp_set_reg(int reg, unsigned char value);
unsigned int vdp_get_reg(int reg);
void vdp_control_write(unsigned int value);
void vdp_write(unsigned int address, unsigned int value);
unsigned int vdp_read(unsigned int address);

unsigned int vdp_get_status();
unsigned short vdp_get_cram(int index);

void vdp_set_hblank();
void vdp_clear_hblank();
void vdp_set_vblank();
void vdp_clear_vblank();