Re: A86: on interrupt
[Prev][Next][Index][Thread]
Re: A86: on interrupt
basic programs aren't run from $d748. you can call them with call $4c47 w/
the name in _op1. all you need to do is turn off that doggoned memory
error!!!! Kirk
-----Original Message-----
From: Dux Gregis <assets@eden.rutgers.edu>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Tuesday, March 31, 1998 11:48 PM
Subject: Re: A86: on interrupt
>
>
>
>Klukan wrote:
>
>> Andy S Johnson wrote:
>>
>> > [original messages snipped, we're trying to run a basic program from
>> > an
>> > interupt or an event handler (sqrtKey), the normal rom call does not
>> > work]
>> >
>> > Has anyone tried loading another asm program using the module idea and
>> >
>> > running the basic program from there?
>>
>> Are you guys loading the program you want to branch to into the correct
>> RAM location? Interrupts are not run in the area of memory designated
>> for ASM programs.
>
>No, but [sqrt] programs are :-) Trust me, that's how I disassembled
>[sqrt]KEY.
>
>> If you try to simply branch to a program, it may be
>> attempting to load it into the interrupt space.
>
>I don't know if basic programs are run from $d748 or not.??
>
>> Just an idea. If this
>> is it, all that has to be done is copy the variable data into the ASM
>> exec space and jump to _exec_asm. That should work. There is no reason
>> why you can't load a program from an interrupt. Rascall uses an
>> interrupt to return to the shell if a program is misbehaving or if the
>> user ends the program by hitting [ON] while the program is running and
>> then selecting the appropriate option on the menu that comes up.
>
>That interrupt doesn't execute basic or manipulate variables, I think it
>just throws an error handler.
>
>> I
>> think this is right, but correct me if I am wrong (about the program
>> loading).
>>
>> -Jeremy
>
>
>
>
Follow-Ups: