luxos/SysCore/video/vga03h.c
2021-09-14 18:35:52 +03:00

30 lines
944 B
C

//#include "vga.h"
#include <conio.h>
#include <system.h>
unsigned char* TextVideoRam = (unsigned char*)0xB8000;
void vga03h_cursor(int x, int y)
{
unsigned temp = y*80 + x;
outportb (0x3D4, 14);
outportb (0x3D5, temp >> 8);
outportb (0x3D4, 15);
outportb (0x3D5, temp);
}
void vga03h_putc (int x, int y, unsigned char c) { TextVideoRam[2*(y*80+x)] = c; }
unsigned char vga03h_getc (int x, int y) { return TextVideoRam[2*(y*80+x)]; }
void vga03h_putcolor (int x, int y, unsigned char c) { TextVideoRam[2*(y*80+x)+1] = c; }
unsigned char vga03h_getcolor (int x, int y) { return TextVideoRam[2*(y*80+x)+1]; }
void vga03h_install()
{
ConsoleScreen screen = {
80, 25, 0x07, vga03h_cursor, vga03h_putc, vga03h_getc,
vga03h_putcolor, vga03h_getcolor};
ConsoleInstall (screen);
clrscr();
}