From a6ebdca9580fa8c34d4769f36fe69493db83ae09 Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Sat, 26 Dec 2020 16:58:22 +0800
Subject: [PATCH] Update md.asm

---
 Source/HBIOS/md.asm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/HBIOS/md.asm b/Source/HBIOS/md.asm
index c1b80605..e7958d2a 100644
--- a/Source/HBIOS/md.asm
+++ b/Source/HBIOS/md.asm
@@ -938,7 +938,7 @@ MD_I_SZ	.EQU	$-MD_FIDENT_R		; SIZE OF RELOCATABLE CODE BUFFER REQUIRED
 ;
 MD_FERAS_R:				; THIS CODE GETS RELOCATED TO HIGH MEMORY
 ;
-	PUSH	AF			; SAVE CURRENT BANK
+	EX	AF,AF'			; SAVE CURRENT BANK
 	LD	A,B			; SELECT BANK
 	CALL	HBX_BNKSEL		; TO PROGRAM
 ;
@@ -979,7 +979,7 @@ MD_WT4:	LD	A,(HL)			; DO TWO SUCCESSIVE READS
 	JR	MD_WT6
 MD_WT5:	LD	C,L			; SET SUCCESS STATUS
 ;
-MD_WT6:	POP	AF			; RETURN TO ORIGINAL BANK
+MD_WT6:	EX	AF,AF'			; RETURN TO ORIGINAL BANK
 	JP	HBX_BNKSEL		; WHICH IS OUR RAM BIOS COPY
 ;
 ;	RET