b0cb75c6e719001b18a3bb142f0101dc

来自「一个完整的设计DE2_project,希望对大家有所帮助」· 代码 · 共 47 行

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <io.h>
#include <fcntl.h>
#include <unistd.h>
#include "altera_avalon_pio_regs.h"
#include "system.h"  
#include "VGA.h"
void main(void)
{ 
  unsigned int i=0;
  unsigned int j=0;
  unsigned int k;
  unsigned int l;
  //int c=0;
  printf("\nstart!");  

    for(i=0;i<258;i++)
  {
   IOWR(VGA_0_BASE,40000+i,(unsigned long)i*4177983);
  }
  IOWR(VGA_0_BASE,40000+1,RGB(255,255,255));
  IOWR(VGA_0_BASE,40000+50,RGB(510,510,510));
  IOWR(VGA_0_BASE,40000+100,RGB(760,760,760));
  IOWR(VGA_0_BASE,40000+150,RGB(1023,1023,1023));
  IOWR(VGA_0_BASE,40000+256,RGB(1023,1023,1023));  

for(k=0;k<20;k++)
{
   IOWR(VGA_0_BASE,40000+k,RGB(51*k,51*k,51*k));  
}
  for(i=0;i<259;i++)
  {
    k=IORD(VGA_0_BASE,40000+i);
    printf("\n%d      %d ",i,k);
  }
 for(k=1;k<20;k++)
  {
      for(i=0;i<200;i++)
      for(j=k*10;j<(k+1)*10;j++)
      Vga_Set_Pixel(VGA_0_BASE,i,j,k);
   }
  printf("\n%d",RGB(51*19,51*19,51*19));


}