Re: [Ql-Users] Quanta Magazine

[John Gilpin via Ql-Users]

Hi George and others who have also missed the Apr/May issue of QUANTA eMag,

After considerable investigation, it would appear that having sent the 
Apr/May Issue of QUANTA eMag out in two batches, I may have sent the 
same batch out twice! Some time ago, I sent out the eMag out as one 
batch but together with a large .PDF file I was advised by BT that I had 
exceeded some limit that I wasn't aware of and it was suggested that I 
sent the eMag out in two batches.


Of course the error with the recent issue is entirely my fault for which 
I apologise to all affected and both John Southern and I have tried to 
keep pace with the messages received telling us that they had not 
received their eMag. I think that most of you know that I have resigned 
from the QUANTA Committee as treasurer and Membership Secretary with 
effect from the A.G.M. in April and John Southern has taken over from 
me. Good luck John!


However, just in case anyone has still not received their eMag, I have 
decided to send the eMag again to all the members who were on the second 
mailing list. To those who have already received the eMag, I offer my 
sincere apologies for any inconvenience caused by receiving a duplicate 
attachment.


Hopefully having corrected the error, I only have to say thank you to 
all who have helped me with my QLing and should any of you have a 
problem with anything that you think I can answer (or know someone who 
can), please drop me an email and I will endeavor to provide either a 
full answer or perhaps a key from which you can sort out your problem on 
your own.


To you all, I hope that you continue to get a load of pleasure from your 
QL and I look forward to following your activities either through this 
list or through the QUANTA Magazine .


Cheers and kind regards,

John Gilpin.




On 24/07/2017 16:56, George Gwilt wrote:


On 24 Jul 2017, at 16:52, John Gilpin > wrote:


My fault entirely. - See attached


Thank you

George


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[Ql-Users] Subject: Re: PCB Design v7.52

[Michael Bulford via Ql-Users]

Whenever I try to run any new SBASIC code, there is this overlapping problem of 
some variable names used are possibly already installed as resident procedures. 
 The code then either does not work as intended, or can stop with an error 
message.  In these circumstances, I usually have to go through the code and 
rename the variables. 

Compiling into machine code can solve the above mentioned problem.  I first of 
all compiled using Turbo.  There was one REFERENCE statement that had to be 
inserted for the procedure Rotation, which passes back the values x and y to 
the caller, FreeRotate, which by the way is not even called.  There was just 
one expression at line 1230 that had to be re-written, to avoid Turbo using 
integer arithmetic and stopping with an overflow error.  The resulting task 
seems to work as well as the SBASIC version. 

Next I tried Q-Liberator, which compiled the code easily enough.  The resulting 
object file fails to display the x and y coordinates at the bottom of the 
screen. 

Both Turbo and Q-Liberator issued a Warning at line 23030 of .. END IF without 
an IF. 
A few weeks back I made mention about a new proposed update to the Turbo 
parser, which I have almost finished tweaking. I tried this new version on the 
code, and this did not warn of the above condition.  It did however, give 
information messages about how variables are being used - being the difference 
between Interpreted code and Turbo code.  It transpires that if one wants the 
SBASIC code to match exactly what the Turbo version does, then a great deal of 
changes will need to be made. 

I only have one criticism of the program so far.  When the program ends it does 
a NEW.  I may have made some changes or added some REMarks, and before closing 
down I would SAVE the code.  But after a NEW, all the code has gone!  The 
existing file is replaced with a blank one. 

Michael 
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