Don't clobber live registers, it's not nice

diff --git a/memdisk/memdisk.asm b/memdisk/memdisk.asm
index fca9aad..6eb8330 100644 (file)
--- a/memdisk/memdisk.asm
+++ b/memdisk/memdisk.asm
@@ -511,9 +511,9 @@ bcopy:
                or al,01h
                mov cr0,eax
 
-               mov ax,16               ; Large flag segment
-               mov ds,ax
-               mov es,ax
+               mov bx,16               ; Large flat segment
+               mov ds,bx
+               mov es,bx
 
                a32 rep movsd