From 7c3fa52a3f9ccd4cae41440556b44ea920cd1d09 Mon Sep 17 00:00:00 2001
From: David Kuder <davidk@thewaffleiron.net>
Date: Sat, 22 Apr 2023 03:47:38 -0400
Subject: [PATCH] monochrome bit test fix

Fix for issue:
https://github.com/V2RetroComputing/analog/issues/15
---
 vga/render_dhgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vga/render_dhgr.c b/vga/render_dhgr.c
index 386291d..ed5d67d 100644
--- a/vga/render_dhgr.c
+++ b/vga/render_dhgr.c
@@ -103,7 +103,7 @@ static void DELAYED_COPY_CODE(render_dhgr_line)(bool p2, uint line) {
         dots |= (line_mema[i] & 0x7f) << 25;
         i++;
 
-        if(soft_switches & SOFTSW_MONOCHROME) {
+        if((soft_switches & SOFTSW_MONOCHROME) || (mono_palette & 0x8)) {
             // Consume 8 pixels (32 subpixel bits)
             for(j = 0; j < 16; j++) {
                 pixeldata = ((dots & 1) ? (text_fore) : (text_back));