Clean up generating dotted-quad addresses

diff --git a/pxelinux.asm b/pxelinux.asm
index ca07cf6..7b16811 100644 (file)
--- a/pxelinux.asm
+++ b/pxelinux.asm
@@ -2022,25 +2022,25 @@ gendotquad:
                mov cx,4
 .genchar:
                push eax
+               cmp al,100
+               jb .lt100
+
                aam 100
                ; Now AH = 100-digit; AL = remainder
-               cmp ah, 0
-               je .lt100
                add ah,'0'
                mov [es:di],ah
                inc di
-               aam 10
-               ; Now AH = 10-digit; AL = remainder
-               jmp short .tendigit
+
 .lt100:
+               cmp al,10
+               jb .lt10
+
                aam 10
                ; Now AH = 10-digit; AL = remainder
-               cmp ah, 0
-               je .lt10
-.tendigit:
                add ah,'0'
                mov [es:di],ah          
                inc di
+
 .lt10:
                add al,'0'
                stosb