- scroll = line <= 24 ? 0 : line - 24;
- row = line <= 24 ? line : 24;
- sprintf(buf, "line %d (scroll %d [%d])", line, scroll, scroll % 25);
- vga_scroll(scroll);
- if(scroll) {
- vga_clearline(24);
- }
- vga_setcolor(VGA_YELLOW | VGA_BRIGHT, VGA_BLACK);
- drawtext(line & 7, row, buf);