[Coco] I found an Extended BASIC bug probably everyone knows about already

Rob Rosenbrock bester at adamswells.com
Mon Feb 17 22:03:39 EST 2025


Prophet 5?

Sent from my iPad

> On Feb 17, 2025, at 9:36 PM, Allen Huffman via Coco <coco at maltedmedia.com> wrote:
> 
> On Feb 17, 2025, at 7:59 PM, Juan Castro via Coco <coco at maltedmedia.com> wrote:
>> 
>> Octal constant (Ex.: &O14 = 12 decimal)
>> 
>> It accepts 8 as a digit. D'oh. Try "PRINT &O18" in a CoCo 1 or CoCo 2.
>> 
>> Without having a CoCo3 at hand to check I'll wager it patches that bug. All
>> it has to do is replace a LBHI with a LBHS.
> 
> 
> I doubt many of us know about it. Did anyone here ever have a use for OCTAL?
> 
> Juan, good catch. I will say that I did see Octal in the wild. A synthesizer keyboard I had used banks and patches. The numbers went 1-8, if I recall, so it was Octal :) 1-1 to 8-8.
> 
> Crazy.
> 
> Now I gotta go blog…
> 
> --
> Allen Huffman - PO Box 7634 - Urbandale IA 50323 - 515-999-0227 (vmail/TXT only)
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> 
> 
> 
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