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2016-11-24 14:03

thesuperfrog

Registered: Oct 2016
Posts: 3

Script Language

Hi all,

have you ever used a script language to create a game?

I'm very courious to know if it could be possible make the porting the lua on c64.

thanks

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2016-11-26 09:02

El Topo

Registered: Jun 2006
Posts: 43

I don't want to sound like an ass but isn't C64/C128 BASIC a scripting language? :)

2016-11-26 09:37

thesuperfrog

Registered: Oct 2016
Posts: 3

Quote: I don't want to sound like an ass but isn't C64/C128 BASIC a scripting language? :)

But i'm trying to adopt/create someting more modern.

i would like to experiment the idea to use a 16bit opcodes with registers based instructions. I'm thinking to translate this instructions with relative 6010 opcodes. on top use a language like lua.

An evolution of sweet16 but without a vm, just translate in 8bit opcodes.

2016-11-26 14:55

MagerValp

Registered: Dec 2001
Posts: 1078

Quote: http://www.compuphase.com/small.htm ... apparently its called "pawn" now (not sure if that is better to google for... =P)

Thank you. "pawn scripting language" gives plenty of relevant hits, so yes, that was a good name change :)

2016-11-26 15:04

MagerValp

Registered: Dec 2001
Posts: 1078

And as for scripting languages on the C64, I've experimented a bit with it, but in the end I just settled on using C for those parts that don't need the performance of asm. Since projects are limited to a few dozen kB of code you don't really bump into the problems that large C codebases struggle with. The only practical drawback I've found is that, at least cc65, generates code that's a little more bloated than a small VM interpreter or hand written asm.

2016-11-26 17:34

chatGPZ

Registered: Dec 2001
Posts: 11386

why not simply use BASIC for scripting? :)

2016-11-29 15:45

Jammer

Registered: Nov 2002
Posts: 1335

Because its syntax sucks? ;)

2016-11-30 00:51

Martin Piper

Registered: Nov 2007
Posts: 722

And the BASIC interpreter sprays all over large areas of memory, especially zero page.

2016-12-01 14:55

chatGPZ

Registered: Dec 2001
Posts: 11386

easy enough to save/restore that when needed :)