Fix to XF2MAIN macro. Protect 3ED/3EE !

2022-11-27 20:05:53 -05:00 · 2022-11-27 20:05:53 -05:00 · 2ddf2c3b66
parent e24b7bb96e
commit 2ddf2c3b66
1 changed files with 1 additions and 1 deletions
--- a/applecorn.s
+++ b/applecorn.s
@ -169,11 +169,11 @@ XF2AUX      MAC
 * Called by code running in aux mem to invoke a
 * routine in main memory
 XF2MAIN     MAC
+            SEI               ; Disable IRQ before XFER
            LDX   #<]1
            STX   STRTL
            LDX   #>]1
            STX   STRTH
-            SEI               ; Disable IRQ before XFER
            TSX
            STX   $0101       ; Save alt SP
            LDX   $0100       ; Load main SP into X