- rm the unnecessary jnz instruction before the rep stosb in the i8086-msdos startup code, because the rep prefix checks for cx=0 and skips the stosb instruction anyway

git-svn-id: trunk@25638 -
2025-04-20 19:49:31 +02:00 · 2013-10-04 13:36:24 +00:00 · 2013-10-04 13:36:24 +00:00 · 8f8bd8b12d
commit 8f8bd8b12d
parent 6c0581da49
1 changed files with 0 additions and 2 deletions
--- a/rtl/msdos/prt0stm.asm
+++ b/rtl/msdos/prt0stm.asm
@ -48,11 +48,9 @@
        mov di, _edata wrt dgroup
        mov cx, _end wrt dgroup
        sub cx, di
-        jz no_bss
        xor al, al
        cld
        rep stosb
-no_bss:

        ; save the Program Segment Prefix
        push ds