private static void XGA_DrawPoint(/*Bitu*/ int x, /*Bitu*/ int y, /*Bitu*/ int c) {
if ((xga.curcommand & 0x1) == 0) return;
if ((xga.curcommand & 0x10) == 0) return;
if (x < xga.scissors.x1) return;
if (x > xga.scissors.x2) return;
if (y < xga.scissors.y1) return;
if (y > xga.scissors.y2) return;
/*Bit32u*/ int memaddr = (y * XGA_SCREEN_WIDTH()) + x;
/* Need to zero out all unused bits in modes that have any (15-bit or "32"-bit -- the last
one is actually 24-bit. Without this step there may be some graphics corruption (mainly,
during windows dragging. */
switch (XGA_COLOR_MODE()) {
case VGA.M_LIN8:
if ((memaddr >= VGA.vga.vmemsize)) break;
RAM.writeb(VGA.vga.mem.linear + memaddr, (short) c);
break;
case VGA.M_LIN15:
if ((memaddr * 2 >= VGA.vga.vmemsize)) break;
RAM.writew(VGA.vga.mem.linear + memaddr * 2, c & 0x7fff);
break;
case VGA.M_LIN16:
if ((memaddr * 2 >= VGA.vga.vmemsize)) break;
RAM.writew(VGA.vga.mem.linear + memaddr * 2, c & 0xffff);
break;
case VGA.M_LIN32:
if ((memaddr * 4 >= VGA.vga.vmemsize)) break;
RAM.writed(VGA.vga.mem.linear + memaddr * 4, c);
break;
default:
break;
}
}
