sbcv2: fix IY corruption

EtchedPixels · Jun 28, 2024 · 93ef1dd · 93ef1dd
1 parent 6208e6f
commit 93ef1dd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Kernel/platform/platform-sbcv2/tricks.S b/Kernel/platform/platform-sbcv2/tricks.S
@@ -47,6 +47,8 @@
 ;	if your platform has an NMI to handle.
 ;
 bankfork:
+	push ix
+	push iy
 	dec a			; offset by 1 from hardware (see map_*)
 	dec c			; likewise
 	ld (cpatch0 + 1),a	; patch parent into loop
@@ -114,6 +116,8 @@ copy_over:
 	;	Get the stack back
 	;
 	ld sp,(spcache)
+	pop iy
+	pop ix
 	;
 	;	And the correct kernel bank.
 	;