#include <stdint.h>

#define VESA_FRAMEBUFFER 0xf6000000
#define VESA_PITCH 2560
#define VESA_BPP 4

//https://forum.osdev.org/viewtopic.php?t=10018&p=64358
// TODO: what will happen in 24bit mode?

volatile int c;
int delay()
{
    c++;
}
void put_pixel(int x,int y, uint32_t color)
{
    //do not write memory outside the screen buffer, check parameters against the VBE mode info
    //if (x<0 || x>vesaXres|| y<0 || y>vesaYres) return;
    //if (x) x = (x*(VESA_BPP>>3)); // get bytes (divide by 8)
    //if (y) y = (y*VESA_PITCH);
    //uint8_t *cTemp=VbeModeInfoBlock->physbase;

    uint8_t *p=VESA_FRAMEBUFFER+y*VESA_PITCH+x*VESA_BPP;
    uint32_t *pix=p;
    *pix=color;

//    for(int i=0;i<100;i++)delay();
}



void put_pixel_old(int x,int y, int color)
{
    //do not write memory outside the screen buffer, check parameters against the VBE mode info
//    if (x<0 || x>vesaXres|| y<0 || y>vesaYres) return;
    if (x) x = (x*VESA_BPP); // get bytes (divide by 8)
    if (y) y = (y*VESA_PITCH);
    //uint8_t *cTemp=VbeModeInfoBlock->physbase;
    uint8_t *cTemp=VESA_FRAMEBUFFER;

    cTemp[x+y] =  (uint8_t)(color & 0xff);
    cTemp[x+y+1] = (uint8_t)((color>>8) & 0xff);
    cTemp[x+y+2] = (uint8_t)((color>>16) & 0xff);
}