[Coco] OS9 HEX to DECIMAL conversion.

[Gene Heskett]

On Monday 21 May 2018 11:34:12 coco at jechar.ca wrote:

> So based on what you said I tryed
>
> PROCEDURE add
> PRAM as:STRING
> PRAM bs:STRING
> a=VAL(as)
> b=VAL(bs)
> print a+b
> END
>
Whats a PRAM?  last time I heard its was limey slang for a baby carriage.

What you want is the keyword PARAM.

> Still dosn't work what is the PRECISE syntax for PARAM
> and when I call the routine will
>
> basic09 add 5 8
>
> be okay or do I need to call as
>
> basic09 add "5" "8"
>
> On 2018-05-20 20:33, Wayne Campbell wrote:
> > As the first response to your email says the key word is PARAM, not
> > PARAMETER. Also, if you're using nitros9 and shell+, the parameters
> > will be
> > passed as strings. You will have to use string parameters to receive
> > the
> > numbers and then convert those strings to actual numbers. Also
> > again, DIMing parameters or variables requires the use of type
> > identifiers. These
> > are Atomic types, unless you have defined a complex type. Atomic
> > types are:
> >
> > REAL
> > INTEGER
> > BOOLEAN
> > BYTE
> > STRING
> > USER DEFINED (COMPLEX TYPE)
> >
> > STRING without a length modifier defaults to 32 characters. Use
> > STRING[size] to set a length from 1 to 32767 (max length).
> >
> > On Sun, May 20, 2018, 2:51 PM <coco at jechar.ca> wrote:
> >> Thanks for the Info.
> >>
> >> For my problem with HEX calculations I have found a solution
> >> Involving breaking the number into 2 sets of three Hex digits and
> >> using
> >> FLOAT and FIX to convert to REAL for the Math and then back to
> >> Integer to PRINT USING H3.
> >>
> >> I an ready to go on to the next step where I want to pass
> >> parameters from the command line to my program, so not having
> >> written basic09 code in 15 years I looked for a sample program from
> >>  the manual.
> >>
> >> The program I found I have listed below.
> >>
> >> PROCEDURE add
> >> PARAMETER a,b
> >> PRINT a+b
> >> END
> >>
> >> This is exactly as I wrote it as I used list add>/p
> >> to send it to a file on my PC and then cut and pasted it into
> >> this email.
> >>
> >> But something is wrong as I get these errors.
> >>
> >> add
> >> PARAMETER a,b
> >>            ^
> >> ERROR #027
> >> ERROR #051
> >> Ready
> >> B:
> >>
> >>
> >> Help Please!
> >>
> >> On 2018-05-19 20:39, L. Curtis Boyle wrote:
> >> > Discord is an app (available for multiple platforms, or through a
> >> > web browser), which you can get here:
> >> > https://discordapp.com
> >> >
> >> > Then, find the server “TRS-80 CoCo TALK”.
> >> >
> >> > L. Curtis Boyle
> >> > curtisboyle at sasktel.net
> >> >
> >> >> On May 19, 2018, at 3:30 PM, coco at jechar.ca wrote:
> >> >>
> >> >> Thanks for the Info it is giving me some ideas about what I may
> >> >> have to do to deal with these calculations.
> >> >>
> >> >> What URL is "Discord" at ?
> >> >>
> >> >> On 2018-05-16 14:41, L. Curtis Boyle wrote:
> >> >> Your error is due to pushing beyond the signed 16 bit limits of
> >> >> the hex routines in BASIC09. It does work fine within 16 bit
> >> >> signed values
> >> >> (I put some screenshots of test source code, and a sample run,
> >> >> in the
> >> >> BASIC09 section on Discord).
> >> >> On May 16, 2018, at 12:19 PM, James Jones
> >> >> <jejones3141 at gmail.com> wrote:
> >> >> Tried it out. VAL("$61A80") gives an error 67, "illegal
> >> >> argument". VAL("A80") prints as 2688., so VAL() returns a REAL,
> >> >> which I guess it has
> >> >> to for consistency with other BASICs. Hex PRINT USING output
> >> >> claims to be
> >> >> fine with printing a REAL, but perhaps the VAL() code for hex
> >> >> doesn't
> >> >> handle values that won't fit in an INTEGER. (What's 61A80?
> >> >> 400000 in hex.)
> >>
> >> --
> >> Coco mailing list
> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco



-- 
Cheers, Gene Heskett
--
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