Re: A86: detecting running program


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Re: A86: detecting running program




that didn't work either.

Cassady Roop

Joshua J Seagoe wrote:
> 
> try [_ops]==[_opbase], not [_ops]==_opbase.
> both should be $3fff if there's nothing on the op stack
> ie:
>  ld hl,[_ops]
>  ld de,[_opbase]
>  or a
>  sbc hl,de
>  jr z,op_stack_empty
> 
> -josh
> 
> On Thu, 11 Nov 1999 20:03:46 -0800 Cassady Roop <croop@oregontrail.net>
> writes:
> >
> >It didn't work.  Even at the homescreen, _ops did not contain
> >_opbase.
> >
> >Rats.
> >
> >Cassady Roop
> >
> >Joshua J Seagoe wrote:
> >>
> >> there may not be such a flag.  maybe you could check the position
> >of
> >> _ops.  if it's at _opbase (i think), there definitely aren't any
> >programs
> >> running.  running either an asm or basic program will push something
> >onto
> >> the op stack.
> >>
> >> -josh
> >>
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