[Coco] The early days of Hacking and Coding a CoCo Was: Here's a CoCo 1 ...

Arthur Flexser flexser at fiu.edu
Sat Jan 18 19:53:05 EST 2014


On Sat, Jan 18, 2014 at 12:04 PM, Steve <6809er at srbsoftware.com> wrote:

> And we have a winner!
>
> I just used a common data terminal of the time that had a extra keyboard.
>  (So it setup like a another monitor.)
>
> Datasoft got a early version of the EDTASM cart and I patch the to send
> the CharOut to both the display and the CoCo's serial port.
>
> What most people did not know is that EDTASM had it own display drivers
> that emulate a Terminal.  Why?  Microsoft's EDTASM was design to use a
> terminal to control the cursor for editing a text line.  So, sending the
> CharOut to the terminal worked without modifying anything else in EDTASM.


If you weren't using the terminal's keyboard, I'm not clear on how you were
able to take advantage of those cursor controls in Edtasm.  Wouldn't that
require inputting escape codes to Edtasm?  Or did your keyboard have a
processor inside that generated them?

Art



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