Guten Tag / Bonjour / Good morning ( or afternoon )
Danke shön Wolfgang.
I know : a file use 1 cluster or more.
The file will be just a part of a larger one. so may be i have to care
about the size.
In fact, i prefer a small size.
I will try the solution with a call.
Best regards
Almas
"Wolfgang Kern" <nowhere@[EMAIL PROTECTED]
> a écrit dans le message de news:
****cus$183$1@[EMAIL PROTECTED]
>
> I posted a bug with this:
>
>> _____________________
>> mov esi,0082h ; I see, you assume a space before the parameters
>> ;cmp byte [esi-2],0 ; a few buyes more, but perhaps useful
>> ;jz error ;if commandline is empty
>> lodsw ;get both bytes at once
>> call convert ;modify AL set carry/NC on error/GOOD
>> jc error
>> shl al,4
>> exch al,ah ;save first and use second yet
>> call convert ;call the same again
>> jc error
>> or al,ah
>> mov offset hexa,AL
>> jmp short display_quit
>>
>> convert:
>> ; cmp al,30h ;I'd put this in
>> ; jc oh_no ;jc == jb
>> cmp al,3ah
>> jc num
>> cmp al,41h
>> jc oh_no
> ***
>> cmp al,46h *** make this CMP AL,47h (error if >=)
> because 46h shall not be an error.
> ***
>> cmc ;invert the carry-bit (error if NoCarry >46h)
>> jc oh_no
>> sub al,07h
>> num:
>> sub al,30h
>> oh_no:
>> ret ;the last SUB will always result in NoCarry
>> ;while any error got a set Carry-flag now.
>> error:
>> ; mov dx,errtxt
>> ; jmp short error_quit
>> display_quit:
>> mov dx,txt
>> error_quit:
>> mov AH,09
>> int 21h
>> ret ;it will work, even I'd always use:
>> ; mov ax,4c00h ;because DOS will restore its stack and
>> ; int21h ;segment-registers on termination then.
>> txt:
>> hexa:
>> errtxt: ...
>> ______________________________
>
> __
> wolfgang
>
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