TASM -> FASM syntax question_2

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FASMresearcher

Joined: 28 May 2008
Posts: 24

FASMresearcher 07 Jun 2008, 23:17

Hi All! And Good Day for you!
I try to analyse the sign bit in packed BCD value. And then extract the subsequent bytes one by one for transformation each of them to the ASCII form.
This test code compiled using TASM without problems:

Code:

PBCDvalue dt ?

mov al, [offset PBCDvalue + 9] ;Sign extraction.
....
cmp [offset PBCDvalue + byte ptr bx], 0 ;bx - next byte number
....
mov al, [offset PBCDvalue + bx] ; extracts next byte
....

All three lines in no way want to be compiled using FASM (I excluded 'offset '). Sad

.
I think this is the syntax difference. What correct instructions I have to be written?
Question

07 Jun 2008, 23:17

bitRAKE

Joined: 21 Jul 2003
Posts: 4260
Location: vpcmpistri

bitRAKE 08 Jun 2008, 01:44

Code:

PBCDvalue dt ?

mov al,byte[PBCDvalue + 9] ;Sign extraction.
....
cmp byte[PBCDvalue + bx], 0 ;bx - next byte number
....
mov al,byte[PBCDvalue + bx] ; extracts next byte

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¯\(°_o)/¯ AI may [not] have aided with the above reply.

08 Jun 2008, 01:44

FASMresearcher

Joined: 28 May 2008
Posts: 24

FASMresearcher 08 Jun 2008, 09:08

Thanks a lot Smile

08 Jun 2008, 09:08

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