main() {
unsigned char c;
star_t *st, stars[MAX_STARS];
set_color(15, 1, 1);
// set video mode to screen 2
set_mode(mode_2);
//msx_screen(2);
// set whole screen to color white/black
fill(MODE2_ATTR, 0xf1, MODE2_MAX);
// initialize stars
for (c=0; c < MAX_STARS; c++) {
st = stars + c;
star_randomize(st);
st->z = (rand() & 63) ;
st->addr = 0;
}
// animation loop
while (!get_trigger(0)) {
// calculate star movement
for (st=stars, c=0; c < MAX_STARS; c++, st++)
star_move(st);
// erase previous stars
for (st=stars, c=0; c < MAX_STARS; c++, st++)
vpoke(st->last, 0);
// show new stars
for (st=stars, c=0; c < MAX_STARS; c++, st++)
vmerge(st->addr, st->sub);
}
//set_mode(mode_0);
msx_screen(0);
}
void pset(int x, int y) {
vmerge(map_pixel(x,y), map_subpixel(x));
}
