isolinux: save a few bytes

Save a few bytes in ISOLINUX.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/core/isolinux.asm b/core/isolinux.asm
index 4833b63..3b97005 100644 (file)
--- a/core/isolinux.asm
+++ b/core/isolinux.asm
@@ -926,8 +926,7 @@ maxtrans:
 getlinsec_cdrom:
                mov si,dapa                     ; Load up the DAPA
                mov [si+4],bx
-               mov bx,es
-               mov [si+6],bx
+               mov [si+6],es
                mov [si+8],eax
 .loop:
                push bp                         ; Sectors left