[Coco] Printing from Disk Extended Color Basic (via Drivewire)

Barry Nelson barry.nelson at amobiledevice.com
Sat Dec 31 01:14:37 EST 2016


Where can I get a copy of this?
Source code to if possible. Please?

> Robert Gault robert.gault at att.net  <mailto:coco%40maltedmedia.com?Subject=Re%3A%20%5BCoco%5D%20Printing%20from%20Disk%20Extended%20Color%20Basic%20%28via%20Drivewire%29&In-Reply-To=%3C585D86A0.9030602%40att.net%3E>
> Fri Dec 23 15:18:40 EST 2016
> 
> Art,
> 
> I place at $A2BF (start of the line printer code) a JMP Main. There is also at 
> $A30A (print to screen) a JMP TstChg so that I flush the DW4 print buffer if 
> necessary.
> The entire ROM printer routine is bypassed.
> 
> As an update, I have been able to alter my code so that the DW HDBDOS ROM is not 
> required. You can write to Drivewire with a standard disk ROM.
> Of some interest, I had to set the Coco clock to the fast rate $FFD9 before 
> sending to DW4 and back to slow $FFD8 after flushing the DW4 buffer.
> 
> Robert



More information about the Coco mailing list