kraftsim/vga.h at main · ARMCoderBR/kraftsim · 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
35
36
37
38
/*
 * vga.h
 *
 *  Created on: 22 de jan. de 2026
 *      Author: milton
 */

#ifndef VGA_H_
#define VGA_H_

#include <stdint.h>

#include "sdlclient.h"

typedef struct {

    SDL_Texture *fontTexture[256];
    uint16_t dispBufSize;
    uint8_t *displayBuffer;
    SDL_Renderer* renderer;
    uint8_t mode;
    SDL_TimerID vgaTimer;
    int vgaTick;
    uint16_t rdaddr;
    uint16_t wraddr;
    int scrollreg;
    uint8_t cursor;
    int resetmode;
} vga_t;

vga_t *vga_init(SDL_Renderer* renderer);
void vga_refresh(vga_t *vga, int force);
void vga_out(vga_t *vga, uint8_t port, uint8_t value, int wminimized);
uint8_t vga_in(vga_t *vga, uint8_t port);
void vga_reset(vga_t *vga);
void vga_close(vga_t *vga);

#endif /* VGA_H_ */