From 7c203b40c8a7e8fcde0ce86966e7c9c6c38a0a92 Mon Sep 17 00:00:00 2001
From: joevt <joevt@shaw.ca>
Date: Sun, 18 Feb 2024 05:05:48 -0800
Subject: [PATCH] appleramdac: Reset comp_index on address change.

---
 devices/video/appleramdac.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/devices/video/appleramdac.cpp b/devices/video/appleramdac.cpp
index 3206f93..06a430b 100644
--- a/devices/video/appleramdac.cpp
+++ b/devices/video/appleramdac.cpp
@@ -60,6 +60,7 @@ void AppleRamdac::iodev_write(uint32_t address, uint16_t value) {
     switch(address) {
     case RamdacRegs::ADDRESS:
         this->dac_addr = value;
+        this->comp_index = 0;
         break;
     case RamdacRegs::CURSOR_CLUT:
         this->clut_color[this->comp_index++] = value;