Re: Tales of mc

[Gaius Mulley]

Benjamin Kowarsch <trijezdci@gmail.com> writes:

> On Sun, 11 Sept 2022 at 11:02, john o goyo <jog37@riddermarkfarm.ca> wrote:
>
>  I know that mc is a boot-strapping tool that does not translate all of 
> Modula-2. 
>
>  How much does it understand?
>
>  [...] I found that SHIFT() is not known to it.
>
> You could use my portable bit operations library.
>
> It has no dependencies, is portable across PIM and ISO dialects, and all 
> Modula-2 compilers.
>
> It provides arithmetic and logical shifting as well as left shifting through 
> carry.
>
> CARDINAL bit operations
>
> https://github.com/m2sf/m2bsk/blob/master/src/lib/CardBitOps.def
> https://github.com/m2sf/m2bsk/blob/master/src/lib/imp/CardBitOps.mod
>
> INTEGER bit operations
>
> https://github.com/m2sf/m2bsk/blob/master/src/lib/IntBitOps.def
> https://github.com/m2sf/m2bsk/blob/master/src/lib/imp/IntBitOps.mod
>
> LONGINT bit operations
>
> https://github.com/m2sf/m2bsk/blob/master/src/lib/LongIntBitOps.def
> https://github.com/m2sf/m2bsk/blob/master/src/lib/imp/LongIntBitOps.mod
>
> I have also implemented a portable 64-bit cardinal type along with bit 
> operations on it.
>
> https://github.com/m2sf/m2bsk/tree/master/src/lib/CARD64
>
> The CARD64 library works with the following memory models:
>
> (a) 16-bit cardinal/32-bit integer
> (b) 32-bit cardinal/32-bit integer
> (c) 32-bit cardinal/64-bit integer
>
> regards
> benjamin

looks like a really clean implementation!

regards,
Gaius