[Coco] Basic09 Whats Wrong.

[coco at jechar.ca]

Yes the problem is fixed with that code for a.b09

Do you know if I use an on error command in basic09 and there
is an error if/how I can trap the error number ?

On 2018-10-19 15:13, Wayne Campbell wrote:
> I will look at them more closely this evening, but I can tell you the 
> first
> one errors because you can't pass numbers from the command line as 
> numbers.
> Shell+ treats all parameters as strings. You have to convert the 
> strings to
> numbers before you operate on them.
> 
> PARAM x,y:STRING
> DIM a,b:INTEGER
> 
> a:=VAL(x)
> b:=VAL(y)
> 
> I have to look up the error codes but I think the second is seeing a
> garbage string and can't process it.
> 
> On Fri, Oct 19, 2018, 11:58 AM <coco at jechar.ca> wrote:
> 
>> 
>>   Two simple programs but neither correct
>> 
>>   program a.b089 results in an error 27 when loading is attempted.
>>   program t.b089 results in an error 69 when loading is attempted.
>> 
>>    Code for a.b089 follows:
>> PROCEDURE a
>> PARAMETER a,b:INTEGER
>> PRINT a+b
>> END
>>    Code for t.b089 follows:
>> PROCEDURE t
>> 
>> PARAM x,y:STRING
>> 
>> IF y="" THEN
>>     PRINT"Two parameters required."
>> ENDIF
>> 
>> IF y<>"" THEN
>>     PRINT "X=",x
>> ENDIF
>> 
>> IF y<>"" THEN
>>     PRINT "Y=",y
>> ENDIF
>> 
>> END
>> 
>> Why ?
>> --
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>>