rockbox/apps/plugins/rockboy/lcd.h
Michiel Van Der Kolk ca2e99b4be Grayscale support for rockboy - can't work without markuns patch,
needs rockbox' internal framebuffer in 2 bit (4 pixels / byte) format.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6132 a1c6a512-1295-4272-9138-f99709370657
2005-03-04 11:01:33 +00:00

78 lines
1 KiB
C

#ifndef __LCD_H__
#define __LCD_H__
#include "defs.h"
struct vissprite
{
byte *buf;
int x;
byte pal, pri, pad[6];
};
struct scan
{
int bg[64];
int wnd[64];
#ifdef GRAYSCALE
byte buf[4][256];
#else
byte buf[8][256];
#endif
byte pal1[128];
un16 pal2[64];
un32 pal4[64];
byte pri[256];
struct vissprite vs[16];
int ns, l, x, y, s, t, u, v, wx, wy, wt, wv;
};
struct obj
{
byte y;
byte x;
byte pat;
byte flags;
};
struct lcd
{
byte vbank[2][8192];
union
{
byte mem[256];
struct obj obj[40];
} oam;
byte pal[128];
};
extern struct lcd lcd;
extern struct scan scan;
#endif
void updatepatpix(void) ICODE_ATTR;
void tilebuf(void);
void bg_scan(void);
void wnd_scan(void);
void bg_scan_pri(void);
void wnd_scan_pri(void);
void spr_count(void);
void spr_enum(void);
void spr_scan(void);
void lcd_begin(void);
void lcd_refreshline(void);
void pal_write(int i, byte b);
void pal_write_dmg(int i, int mapnum, byte d);
void vram_write(int a, byte b);
void vram_dirty(void);
void pal_dirty(void);
void lcd_reset(void);