Re: A89: System information
[Prev][Next][Index][Thread]
Re: A89: System information
You have to know quite a lot about how the hardware works to.
A calc isnt just a processor and a bunch of ram. You have a screen and timers
and interrupts, and interruptcontrollers and stuff to..
You need to know how theese work too, to make an accurate emulator.
//Olle
"Edward F. Behn, Jr." wrote:
>
> Not to minimize Rusty Wagner's considerable contribution to TI programming
> but to make an emulator (theoretically I've never even tried) you really
> would only need to know the processor's op-codes and the calc's I/O. You
> could write code to simulate the processor, show the output, and accept
> input through the normal channels.
> -Ed
> PS. I don't really know what I'm talking about here. I could be
> totally off.
>
> -----Original Message-----
> From: owner-assembly-89@lists.ticalc.org
> [mailto:owner-assembly-89@lists.ticalc.org]On Behalf Of Pizza of Hut
> Sent: Thursday, October 07, 1999 9:12 PM
> To: Assembly-89
> Subject: A89: System information
>
> Just out of curiosity, does anyone know where people like Rusty Wagner
> and the Doors team get all their information on the TI-89's system
> routines for use in developing shells?
>
> --
> Pizza of Hut
> http://www.antishrine.sacone.com/
Follow-Ups:
References: