WHILE, END WHILE Problem

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ic2

Joined: 19 Jan 2008
Posts: 75

ic2 21 Mar 2008, 23:43

I get invalid value error. How would I write (esi < edi) to fasm syntax. Nothing I tried worked.

Code:

   .while (esi < edi)
      dec edi
      mov al, [esi]
      mov ah, [edi]
      mov [edi], al
      mov [esi], ah
      inc esi
    .endw

Thanks in advance

21 Mar 2008, 23:43

DOS386

Joined: 08 Dec 2006
Posts: 1903

DOS386 22 Mar 2008, 00:20

Move to "Macroinstructions" ... sorry no idea, I don't use "while" Sad

_________________
Bug Nr.: 12345

Title: Hello World program compiles to 100 KB !!!

Status: Closed: NOT a Bug

22 Mar 2008, 00:20

ic2

Joined: 19 Jan 2008
Posts: 75

ic2 22 Mar 2008, 00:38

Got it!!! I didn't use .endw properly when I was playing with it.

Code:

    .while esi<edi
      dec edi
      mov al, [esi]
      mov ah, [edi]
      mov [edi], al
      mov [esi], ah
      inc esi
.endw

22 Mar 2008, 00:38

rugxulo

Joined: 09 Aug 2005
Posts: 2341
Location: Usono (aka, USA)

rugxulo 24 Mar 2008, 03:43

This probably isn't the best example. I mean, it's just a cmp + jae.

24 Mar 2008, 03:43

ic2

Joined: 19 Jan 2008
Posts: 75

ic2 25 Mar 2008, 03:46

It might not be the best but it's my favorite way to code. After I get good at it than I might learn how to write some macros. I just wanted to see WHILE work in fasm before moving on. I use cmp + jnb and it works well... Jump if Above or Equal put a new twist on things. I'm going play with that one for the next few days.

Thanks rugxulo

25 Mar 2008, 03:46

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