[Coco] OS9 HEX to DECIMAL conversion.

[James Jones]

PARAM, not PARAMETER.

On Sun, May 20, 2018 at 4:51 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.)
>>>
>>
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