small optimization

git-svn-id: svn://kolibrios.org@1229 a494cfbc-eb01-0410-851d-a64ba20cac60
2009-10-23 17:35:26 +00:00
parent 778c4291b7
commit 9aef4d69df
3 changed files with 33 additions and 25 deletions
--- a/kernel/trunk/detect/biosdisk.inc
+++ b/kernel/trunk/detect/biosdisk.inc
@@ -55,7 +55,8 @@ bdds:
        inc     ax
        cmp     word [si], 170h
        jz      @f
-        mov     ax, -1
+	or	ax,-1
+;        mov     ax, -1
@@:
        stosw
        pop     ds
@@ -63,10 +64,14 @@ bdds:
 bddl:
        mov     al, dl
        stosb
-        mov     al, 0
-        stosb
-        mov     ax, -1
-        stosw
+	xor	ax,ax
+	stosb
+	dec	ax
+	stosw
+;        mov     al, 0
+;        stosb
+;        mov     ax, -1
+;        stosw
 bddc2:
        cmp     cl, [es:0x475]
        jae     bdde