Re: A86: detecting running program
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Re: A86: detecting running program
uhhh, hmm...
you're not actually check for being outside of any asm or basic programs,
if you were _ops would be $3fff (ie _opbase). you're check for being in
exactly one asm program. the amount of space used on the op stack should
be the same every time exactly one asm program is running because it
stores the return program name (or some similar value). find out what
_ops is when sqrtKEY is run from the home screen, and check against that
value. or preferably, check to see if the difference between _ops and
_opbase is the same. (_opbase will most likely always be $3fff, but it's
possible that it could change)
better?
-josh
On Fri, 12 Nov 1999 20:20:03 -0800 Cassady Roop <croop@oregontrail.net>
writes:
>
>Um, could you repeat that in another way? I didn't quite get it.
>
>Cassady Roop
>
>Joshua J Seagoe wrote:
>>
>> that wouldn't work if someone copied code to ram page 1 and jumped
>to it,
>> or if there was a basic program running.
>>
>> wait, i know. you're running an asm program (sqrtKEY) check for
>$3fea at
>> _ops ([_opbase]-$0015) or at least the same value every time. the
>same
>> amount should be added for that every time, so it should work.
>>
>> -josh
>>
>> On Fri, 12 Nov 1999 17:35:00 -0800 Chris Phelps
><chicane@reninet.com>
>> writes:
>> >
>> >Cassady Roop wrote:
>> >
>> >> 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
>> >
>> >If you want to make it really complicated, just check the stack
>for
>> >any
>> >values in _asm_exec_ram :o)
>> >
>> >Later,
>> >Chicane
>>
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