Re: A86: Re: stop
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Re: A86: Re: stop
Kirk Meyer wrote:
> Okay, alright already I'll tell you. (IY+$24) contains flags for running
> special programs. These programs and there corresponding bits are as
> follows:
> 0: (sqrt)PARSE
> 1: (sqrt)FORM
> 2: (sqrt)EXEC
Hey right in this EXEC column a pword program could be run automatically to
ensure that it be protected even if someone decides to edit out the pword
function in the program. This would be extremely useful for those losers that
like to reset the memory, or fool around with programs. Any help would be
apreciated, thanks.
-Phelan 'Amen' Wolf
> 3: (sqrt)EXPR [I'm not sure about that one... it might be 6,(IY+$23)]
> 4: (sqrt)HOME
> 5: (sqrt)CMDTOK
> 6: (sqrt)KEY
> 7: (sqrt)GRF
> if these bits are set and these programs exist, then they are run whenever
> the specified action occurs. therefore if you move some code into a new
> program called (sqrt)whatever then it will be called every time your
> specified thing happens. in the TI demo it installs #6, (sqrt)KEY and if it
> sees you are at a memory screen (by looking at _CXCURAPP) it does some stuff
> to make sure you don't delete anything. i think, for example, it would be
> possible to make a routine that ran every time you went to the home screen
> (#4), every time you went to the graph screen (#7), every time you enter a
> command must be processed (#0), every time a program is run (#2), etc. i
> haven't tried any of these so feel free to correct me if i'm wrong.
> Kirk
> _@ibm.net
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