From 8c7f51fd744ac7a2a254c32477c071e8e5cb8835 Mon Sep 17 00:00:00 2001
From: Wayne Warthen <wwarthen@gmail.com>
Date: Wed, 26 Nov 2025 13:02:24 -0800
Subject: [PATCH] Bug Fix for DS5RTC Driver

- The SETBYT routine was broken.  This fixes it.
---
 Source/HBIOS/ds5rtc.asm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/HBIOS/ds5rtc.asm b/Source/HBIOS/ds5rtc.asm
index 1c67d55b..61209709 100644
--- a/Source/HBIOS/ds5rtc.asm
+++ b/Source/HBIOS/ds5rtc.asm
@@ -264,10 +264,10 @@ DS5RTC_SETBYT:
 	LD	A,C			; INDEX TO A
 	ADD	A,$20			; NVRAM STARTS AT REG $20
 	LD	C,A			; BACK TO REG C
+	LD	A,E			; VALUE TO A
 	CALL	DS5RTC_WPOFF		; DISABLE WRITE PROTECT
 	CALL	DS5RTC_PUT		; DO IT
 	CALL	DS5RTC_WPOFF		; ENABLE WRITE PROTECT
-	LD	E,A			; MOVE RESULT TO E
 	XOR	A			; SIGNAL SUCCESS
 	RET				; DONE
 ;