Search found 55 matches

by Tinyfpga
Tue May 18, 2021 10:24 pm
Forum: Software & Programming
Topic: S/SuperBASIC Arrays
Replies: 15
Views: 399

Re: S/SuperBASIC Arrays

Thank you mk79, pjw, tofro and janbredenbeek for your very useful replies. To better understand arrays I have downloaded sysmon, btnclock (configured to show free memory; what ever that is), memorymap and mem_exe only to find they either do not display in a window or they are faulty. In the process ...
by Tinyfpga
Sun May 16, 2021 9:11 pm
Forum: Software & Programming
Topic: S/SuperBASIC Arrays
Replies: 15
Views: 399

Re: S/SuperBASIC Arrays

In trying to find the program "sysmon" in Dilwyn's website so that I can test the effect of resizing large arrays on memory I came across some documentation on Things. Things are described as a "kind of file in RAM that can be accessed by one or more jobs". As files in RAM are dy...
by Tinyfpga
Sun May 16, 2021 6:55 pm
Forum: Software & Programming
Topic: S/SuperBASIC Arrays
Replies: 15
Views: 399

Re: S/SuperBASIC Arrays

Thank you, janbredenbeek, for your explanation. I had not really given any thought to the memory management required to support arrays. I understand why the problem of memory fragmentation is problem for large arrays. I assume that if there wasn't a contiguous block of memory available for an array ...
by Tinyfpga
Sun May 16, 2021 6:31 pm
Forum: Hardware
Topic: 68020 compatible Q68?
Replies: 7
Views: 368

Re: 68020 compatible Q68?

I already see the Q68 as a tinkerer's board and have made two keyboard cases to house the Q68 and a PICAXE micro-controller to assist with tinkering.(see photos below). There are no implementations of SMSQE that are suitable for everyday desktop activities. Even the Raspberry pi400, with the unknown...
by Tinyfpga
Sat May 15, 2021 9:29 pm
Forum: Software & Programming
Topic: S/SuperBASIC Arrays
Replies: 15
Views: 399

Re: S/SuperBASIC Arrays

Whilst trying to understand how to use arrays in basic I quickly discovered that I could use variables as array indices. Great, I thought, this would indicated that SBASIC arrays could be resized dynamically. Sadly this turned out not to be the case when using Qliberator to compile my source code. t...
by Tinyfpga
Mon May 03, 2021 12:21 pm
Forum: QL Emulation
Topic: QL on the Raspberry Pi...?
Replies: 57
Views: 6083

Re: QL on the Raspberry Pi...?

I decided to treat myself to a new 1920 x 1200 monitor. It was on special offer and I had not bought monitor for a very long time. One of the reasons for buying it was to see how SMSQE performed on a PI 400 at high resolutions. I see that Derek Stewart felt that the PI is a bit slow. SMSQE on PI 400...
by Tinyfpga
Sat Mar 27, 2021 11:32 am
Forum: General QL Chat
Topic: m68k.info talk with me
Replies: 33
Views: 2100

Re: m68k.info talk with me

I managed to record (in audio only) over an hour's worth of the talk yesterday. I listened to the first 20 minutes live and then just let the recording continue. When I came back I got the impression that the official talk had ended so I stopped recording but carried on listening to a discussion tha...
by Tinyfpga
Fri Mar 26, 2021 11:36 am
Forum: General QL Chat
Topic: m68k.info talk with me
Replies: 33
Views: 2100

Re: m68k.info talk with me

The documents I posted were written at the time that TT had finished writting the Stella Kernel. As far as I can remember he was trying to develop a novel high level language he was going to call Metalog that would be better suited to writing programs for Stella. I have no idea to whom he sent the d...
by Tinyfpga
Thu Mar 25, 2021 8:56 pm
Forum: General QL Chat
Topic: m68k.info talk with me
Replies: 33
Views: 2100

Re: m68k.info talk with me

I have never heard of Michael A. Jackson, but I am not a programmer so I suppose I might have an excuse. I have just look up the JSP entry in Wikipedia and will try to obtain a copy of his 1975 book, a book that I will probable not understand. Some of the TT's documents are dated 6th October 1992. T...
by Tinyfpga
Thu Mar 25, 2021 8:08 pm
Forum: General QL Chat
Topic: m68k.info talk with me
Replies: 33
Views: 2100

Re: m68k.info talk with me

The notice of mk79 's forthcoming talk prompted me to search through a box of papers that have lain in my loft for nearly thirty years. I remembered that I had filed a number of documents written by Tony Tebby detailing a few of his thoughts on programming systems. It seems clear to me that Tony con...