From 10e29ecc0e8b047b4583df1ad28cb7e905b4684a Mon Sep 17 00:00:00 2001
From: Joshua Bell <inexorabletash@gmail.com>
Date: Tue, 18 Jun 2024 18:28:06 -0700
Subject: [PATCH] ROMX: Fix for IIc+ cache issue

c/o Jeff Mazur
---
 clocks/romx/romxrtc.system.s | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clocks/romx/romxrtc.system.s b/clocks/romx/romxrtc.system.s
index 41d3cb1..1c6dd5b 100644
--- a/clocks/romx/romxrtc.system.s
+++ b/clocks/romx/romxrtc.system.s
@@ -266,10 +266,12 @@ bufloop:
 
         ;; --------------------------------------------------
         ;; Restore what was originally at `RTC_BUF`
+        ;; And fix //c+ cache while we're ad it!
 
         ldx     #0
 :       pla
         sta     RTC_BUF,x
+        lda     $F8F0,x         ; clear cache of $D8F0-D901
         inx
         cpx     #RamStubEnd-RamStub+7+1
         bne     :-