From: Alan Cox <alan@linux.intel.com>
Date: Fri, 10 Aug 2018 23:32:42 +0000 (+0100)
Subject: z80fixedbank-banked: apply the same SP fix as to the main fixedbank code
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0df9fc570cb4990463a12680c81ad7896bdc32e3;p=FUZIX.git

z80fixedbank-banked: apply the same SP fix as to the main fixedbank code
---

diff --git a/Kernel/lib/z80fixedbank-banked.s b/Kernel/lib/z80fixedbank-banked.s
index bd0b4ac2..54a7ecb6 100644
--- a/Kernel/lib/z80fixedbank-banked.s
+++ b/Kernel/lib/z80fixedbank-banked.s
@@ -159,6 +159,11 @@ not_swapped:
 	ldir
 	exx
 
+	; Restore the stack in case we are not swap based so we don't
+	; scribble the bank stack
+
+        ld sp, (U_DATA__U_SP)
+
 	call map_kernel_restore
 
         ; check u_data->u_ptab matches what we wanted
@@ -183,7 +188,6 @@ skip_copyback:
 
         ; restore machine state -- note we may be returning from either
         ; _switchout or _dofork
-        ld sp, (U_DATA__U_SP)
 
 	pop af
         pop iy