# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1541048339 25200
# Node ID 3c16613052197c10e9d8e3eadef5b6dc52d297b3
# Parent  dc1eab3ec0923f213d9b2cde4e6189e05467a1f8
Avoid changing VDP status flags when executing debugger commands

diff -r dc1eab3ec092 -r 3c1661305219 vdp.c
--- a/vdp.c	Wed Oct 31 21:58:09 2018 -0700
+++ b/vdp.c	Wed Oct 31 21:58:59 2018 -0700
@@ -528,6 +528,8 @@
 		   context->regs[REG_DMASRC_H],
 		       context->regs[REG_DMASRC_H] << 17 | context->regs[REG_DMASRC_M] << 9 | context->regs[REG_DMASRC_L] << 1,
 			   src_types[context->regs[REG_DMASRC_H] >> 6 & 3]);
+	uint8_t old_flags = context->flags;
+	uint8_t old_flags2 = context->flags2;
 	printf("\n**Internal Group**\n"
 	       "Address: %X\n"
 	       "CD:      %X - %s\n"
@@ -541,8 +543,9 @@
 		   (context->flags & FLAG_PENDING) ? "word" : (context->flags2 & FLAG2_BYTE_PENDING) ? "byte" : "none",
 		   context->vcounter, context->hslot*2, (context->flags2 & FLAG2_VINT_PENDING) ? "true" : "false",
 		   (context->flags2 & FLAG2_HINT_PENDING) ? "true" : "false", vdp_control_port_read(context));
-
-	//TODO: Window Group, DMA Group
+	//restore flags as calling vdp_control_port_read can change them
+	context->flags = old_flags;
+	context->flags2 = old_flags2;
 }
 
 static uint8_t is_active(vdp_context *context)