C02/test/joystick.c02

/*************************************
 * JOYSTICK - Test joystk() function *
 *************************************/

//use -h option on command line
#include <screen.h02>
#include <joystk.h02>

char i,j,r;
char aa,yy,xx;

void prtdir(aa,yy,xx) {
  if (aa & yy) xx = '*';
  putchr(xx);
}

main:
  clrscr();
  if (!#JYSTKS) goto exit;
  for (i=0;i<#JYSTKS;i++) {
    r = i + 1;
    setpos(1,r);
    putchr('J'); prhex(i); putchr(':');
  }
  while() {
    for(i=0; i<#JYSTKS; i++) {
      j = joystk(i);
      r = i + 1;
      setpos(4,r);
      prbyte(j);
      putchr(' ');
      prtdir(j,#JOYUP,'U');
      prtdir(j,#JOYDN,'D');
      prtdir(j,#JOYLF,'L');
      prtdir(j,#JOYRT,'R');
      prtdir(j,#JOYB0,'B');
    }
    if (getkey()==#ESCKEY) break;
  }

goto exit;