From 6664d8b323f609ce2d1add38b93a7368e7b95270 Mon Sep 17 00:00:00 2001
From: Jorj Bauer <jorj@jorj.org>
Date: Mon, 27 Feb 2017 06:34:33 -0500
Subject: [PATCH] graphics error: don't clear HIRES when we enter TEXT mode

---
 apple/applemmu.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/apple/applemmu.cpp b/apple/applemmu.cpp
index fae52da..c14b212 100644
--- a/apple/applemmu.cpp
+++ b/apple/applemmu.cpp
@@ -113,8 +113,8 @@ void AppleMMU::write(uint16_t address, uint8_t v)
   if (address >= 0x400 &&
       address <= 0x7FF) {
 
-    // If it's mixed mode, or if it's not HIRES mode, then force a redraw
-    if (!(switches & S_HIRES) || (switches & S_MIXED)) {
+    // If it's text mode, or mixed mode, or lores graphics mode, then update.
+    if ((switches & S_TEXT) || (switches & S_MIXED) || (!(switches & S_HIRES))) {
       // Force a redraw
       display->modeChange();
     }
@@ -393,8 +393,6 @@ uint8_t AppleMMU::readSwitches(uint16_t address)
   case 0xC051: // SETTEXT
     if (!(switches & S_TEXT)) {
       switches |= S_TEXT;
-      // also make sure we're *out* of HIRES mode.
-      switches &= ~S_HIRES;
       resetDisplay();
     }
     return FLOATING;