--- np2/bios/bios18.c	2005/02/07 14:46:07	1.40
+++ np2/bios/bios18.c	2005/03/23 08:07:48	1.42
@@ -530,11 +530,12 @@ void bios0x18_42(REG8 mode) {
 		gdcs.disp = (mode >> 4) & 1;
 	}
 	if (!(mode & 0x20)) {
-		gdc.mode1 &= ~0x04;
+		gdc.mode2 &= ~0x04;
 	}
 	else {
 		gdc.mode2 |= 0x04;
 	}
+	gdcs.mode2 = gdc.mode2;
 	gdcs.grphdisp |= GDCSCRN_ALLDRAW2;
 	screenupdate |= 2;
 }