On Sun, 03 Jan 2021 18:38:44 +0000, Joe wrote:

>
>  "If you need to use floating-point arithmetic in FORTH, you do not
>  fully understand your application"
>
> Not sure if it was Charles Moore or Leo Brodie who said that.

PICAXE BASIC is a little more limited than that: variables may be 8 or 16
bit and they are all UNSIGNED, which, I would suggest is a bit more
limiting than doing without floating point. This is the only computer
language I've used that doesn't support signed integer values.

A fairly rapid web search failed to discover whether unsigned arithmetic
is a feature of the BASIC or if the PIC micro-controller only works with
unsigned values. I found several low level architecture descriptions,
which all mention stuff like data storage and register lengths, but since
none of them mentioned signed arithmetic, it seems that it isn't
supported.


--
--
Martin    | martin at
Gregorie  | gregorie dot org

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