Detect a 'Q'uit sooner in the demo mode.

exec/xbimage.js

@@ -2,6 +2,7 @@
 
 // Utility module for creating and displaying XBin image files.
 
+load('sbbsdefs.js');
 var image_lib = load({}, 'xbimage_lib.js');
 var bmplib = load({}, 'bmp_lib.js');
 var cga = load({}, 'cga_defs.js');
@@ -140,7 +141,10 @@ function demo(filename, delay)
 
 	if(global.name) {
 		print("\1n\1hDemonstration beginning: \1y" + global.name + "\1w (Hit '\1cQ\1w' to abort)");
-		console.inkey(0, delay);
+		var key = console.inkey(K_UPPER, delay);
+		console.line_counter = 0;
+		if(key == 'Q')
+			return true;
 	}
 	if(global.delay === undefined)
 		global.delay = delay;
@@ -173,6 +177,7 @@ function demo(filename, delay)
 	if(global.name) {
 		print("\1n\1hDemonstration concluded: \1y" + global.name);
 		console.inkey(0, delay);
+		console.line_counter = 0;
 	}
 }