[Coco] 'arc' copy command and Stack Overflow (ERROR #207)

[K. Pruitt]

----- Original Message ----- 
From: "Allen Huffman" <alsplace at pobox.com>
To: "Bill Pierce" <ooogalapasooo at aol.com>; "CoCoList for Color Computer 
Enthusiasts" <coco at maltedmedia.com>
Sent: Tuesday, January 27, 2015 9:59 AM
Subject: Re: [Coco] 'arc' copy command and Stack Overflow (ERROR #207)


>> On Jan 27, 2015, at 10:21 AM, Bill Pierce via Coco <coco at maltedmedia.com> 
>> wrote:
>>
>> The C code (or asm) to implement tmode is so simple, I can't figure out 
>> why so many programmer's didn't just make it inline to the program. It's 
>> just one getstat to get the 32 byte buffer, set the needed byte, then one 
>> setstat to write it back. About 12 lines of code in either format.
>
> Yeah, and the code must have been easily available. I don't think I would 
> have figured it out on my own in all my assembly/C programs. I didn't know 
> about it when I wrote my first OS-9 program in BASIC09, though. Maybe when 
> I rev all my programs for Internet Release I can make some tweaks ;-)
>
> Er, do you know how to do it in B09?
>
> -- A
>
>
> -- 

Set up an error trapping routine, try tmode -echo and if that generates an 
error try tmode eko=0

and the other way 'round to turn it back on.