[vcf-midatlantic] Format of SAVE'd programs on disk

Dean Notarnicola dnotarnicola at gmail.com
Mon Jan 20 21:45:28 EST 2020


MS GW-BASIC had a “,a” switch to save in ASCII, but I don’t remember if
other MS variants had this. I’m thinking Atari basic may have but I’d have
to research.

On Mon, Jan 20, 2020 at 8:47 PM Bob Applegate via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> I’ve been doing a lot with the Microsoft 6502 source code and one of the
> capabilities I’ve added is being able to SAVE/LOAD from an SD card.  All of
> the variants of that BASIC save and load tokenized programs.  That is, the
> SAVE function saves the current BASIC program exactly as it appears in
> memory, with tokens and some ASCII data.  All of the early versions of MS
> BASIC did not support disk operations directly and any disk code was added
> later by the computer manufacturer who incorporated the MS interpreter into
> their systems.
>
> Jump forward a couple years when Microsoft directly supported CP/M so that
> the underlying disk code could be standardized.  When a SAVE “ABC.BAS”
> command was executed, was the program saved tokenized still, or was it
> saved as all ASCII like the LIST command would produce?  Someone could then
> edit BASIC programs using a text editor and be able to read them back in,
> as opposed to having binary files that could only be edited from within
> BASIC itself.
>
> I’m just wondering if it’s worth my effort to add the capability to
> save/load ASCII or just be happy with my tokenized version.  I’m interested
> to know what Microsoft did in later versions of their interpreter.
>
> Bob
>
>


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