[Coco] VCC help request

Robert Gault robert.gault at worldnet.att.net
Sun Jan 17 12:39:50 EST 2010


Darren A wrote:

> In my experience, the ALT key will work as ALT and the END key works as BREAK.
>
> I ran the following BASIC program on a real CoCo 3 and on VCC to test
> the ALT key.  In both cases, pressing ALT displays 191 as the keyboard
> row value:
>
> 10 POKE&HADEB,&H39  'DISABLE BREAK
> 20 POKE&HFF02,&HF7   ' STROBE ALT COLUMN
> 30 PRINT @0,PEEK(&HFF00):GOTO 30
>
> You have do a Reset to break out of this program.
>
> Darren
>
>

If I run NitrOS-9 under MESS and use the PC left ALT with any other key, 
I see special text characters printed on the screen. Doing the same 
thing with VCC displays nothing and sometimes crashes VCC.



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