powerbasic data segment in inline asm

[edward kaeufer]

Is it possible to load ds with powerbasic's data segment when you
can't assume ds does? Something like a powerbasic internal variable
or inline asm directive?

Thanks,
Ed

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[Clay Clear]

As far as I have seen, PB internally assigns its data segment
to DS, so there is no reason to have to do it explicitly.
IMPORTANT NOTE: before the ASM code in your procedures, make sure
you include ! push ds. Then, be sure to include the corresponding
! pop ds at the end of the ASM stuff.


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[Bob Zale]

Actually, with the memory model we use, SS always equals DS. Therefore, if you ever alter DS, Just...

Push SS
Pop DS

...to restore it, so it points to the main data segment.

Bob Zale
PowerBASIC Inc.


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[Clay Clear]

Ahhhh! Good information to have! Thanks, Bob.


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