Posted By
MMS
on 2024-04-04
19:01:04
 |  Re: Simple but nice BASIC code examples
@Harry Potter: I am happy to have so many positive feedback on this thread.
Well, in fact I was looking for the Simons' BASIC compilers, when on the C64 Wikipedia page I found that link for the 64'er magazine link.
This is one link to several one, though I do not know if you speak German or not, but pictures and some common words may help.
https://www.retropoly.de/retroforum/viewtopic.php?f=20&t=2166
Intro of the C16 and Plus/4
https://www.retropoly.de/c64er/1985/64er_1985-01.pdf
In fact there were so many great codes released over the last decades, really good source to learn. Those good codes are available not only for C64, but C16 too.
Between 85 and 87 a lot of nice codes were released on our platform too in famous magazines, not only on 64'er but in English and US magazines.
Simons' BASIC is a good candidate for simple conversion, as the logic, the screen resolution, most functions/calculations, the commands are very similar and you can easily find a similar color what C64 / C128 had.
The C64 BASIC 2.0 codes contain a lot of POKE commands just to set color or make sound, so (although I know most of them) I prefer something less close to register level programming 
ZX Spectrum, CPC codes are also very good source (there are literally thousands of good examples), but needs more time to understand and learn the scale of the gfx screens or some special commands we do not have on Commodores.
On Facebook I am also a member of groups "BASIC Programming Languange", "BASIC on the ZX Spectrum", "Commodore 64 BASIC" and "commodore 64/128 programming". sometimes (like the very first Pine tree) some goodies pop up there too.
@George
Very nice spiral code! and thank you for the hints
Litwr also messaged me that he think the Plus/4 ugBASIC compiler is buggy. :-(
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