# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1578637640 28800
# Node ID 59a83c21d9d2b005e704334273cbdf69272ce3aa
# Parent  c157a535ceebfe5d1061bd40b35f1824af4bbd5e
Fix crash in 68K debugger from forced VDP frame update when framebuffer is not acquired

diff -r c157a535ceeb -r 59a83c21d9d2 vdp.c
--- a/vdp.c	Tue Jan 07 22:52:27 2020 -0800
+++ b/vdp.c	Thu Jan 09 22:27:20 2020 -0800
@@ -2071,6 +2071,9 @@
 
 void vdp_force_update_framebuffer(vdp_context *context)
 {
+	if (!context->fb) {
+		return;
+	}
 	uint16_t lines_max = context->inactive_start + context->border_bot + context->border_top;
 			
 	uint16_t to_fill = lines_max - context->output_lines;