XINC4            1194 dev/pci/tga.c  			     x += XINC4, xleft -= XINC4) {
XINC4            1233 dev/pci/tga.c  			if (xleft) x += XINC64 - XINC4;
XINC4            1243 dev/pci/tga.c  			     x -= XINC4, xleft -= XINC4) {