Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifndef SCREEN_H

#define SCREEN_H

#if CRT_ENABLED

#define RESX 640

#define RESY 480

#define CHAR_WIDTH 8

#define CHAR_HEIGHT 12

#define COLOR_BLACK 0x00

#define COLOR_WHITE 0xFF

#define CHARSX (RESX/CHAR_WIDTH)

#define CHARSY (RESY/CHAR_HEIGHT)

#define CRT_REG        (CRT_BASE_ADDR + 0)

#define CRT_PALLETE    (CRT_BASE_ADDR + 0x400)

#define CRT_BUFFER_REG (CRT_BASE_ADDR + 4)

#define PUT_PIXEL(x, y, color) (*(((unsigned char *)FB_BASE_ADDR) + (y) * RESX + (x)) = (color))

#define SET_PALLETE(i, r, g, b) (*(((unsigned long *)CRT_PALLETE) + (i)) = (((r) >> 3) << 11) | (((g) >> 2) << 5) | (((b) >> 3) << 0))

void put_char_xy (int x, int y, char c);

void put_char (char c);

void put_string (char *s);

void screen_clear (void);

void screen_init (void);

void screen_putc (char);

extern unsigned long fg_color;

extern unsigned long bg_color;

extern int cx;

extern int cy;

#endif /* CRT_ENABLED */

#endif