Search found 25 matches

by oss003
Fri Jun 29, 2018 8:16 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

Jonathan just released a new editorless version of AGD.

http://arcadegamedesigner.proboards.com ... -version-7

Greetings
Kees
by oss003
Thu Jun 28, 2018 2:38 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

To make it easy to design an AGD game, Jonathan Cauldwell has written a Multi-Platform Arcade Game Designer 0.6 (Windows 64-bit). It uses the same tools as included in my suites but has a lot of features: - Block, object, sprite,screen, map, font and palette editors - Import option to read data from...
by oss003
Wed Jun 27, 2018 8:01 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

I've made a (very) preliminary assessment and I think that the Dragon 32 would have about 17K free for the game (assuming that the size of the 6809 is roughly the same size as the Z80). A 64K model would have, maybe, 49K free! That figure depends on my assumptions being correct, though... I guessed...
by oss003
Wed Jun 27, 2018 7:06 am
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

I had a quick look at the Z80 code, using "apulia" (Apulija-13). Excluding data, there's 5,805 bytes of engine code and 2,378 bytes of game-generated code. Total output: ~32K, which appears to exclude the screen memory, some upper memory buffers and the ROM call to read the keys. The sprites take a...
by oss003
Tue Jun 26, 2018 9:11 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

Something to show your Spanish friends .... ;) Some previews of working AGD games: Nixy: https://www.youtube.com/watch?v=AL6epGPeaCU Ooze: https://www.youtube.com/watch?v=_Wn9pcoXxjE Terrapins: https://www.youtube.com/watch?v=Vh4ykI0H0iE&t=24s Rovr: https://www.youtube.com/watch?v=QpIsNWkf1xQ Mike t...
by oss003
Tue Jun 26, 2018 7:17 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

Thank you for having a look..... Hopefully you will finish your projects soon to join me ...... 8-) I'll start with tweaking my Z80-to-6502 conversion program to make it a Z80-to-6809 conversion program as a start. It would be nice if you want to watch this topic now and then because I will have que...
by oss003
Tue Jun 26, 2018 3:12 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

I think we have to follow these steps: - Convert engine to 6809 code - Add dummy missing labels - Assemble engine - Start with debugging main loop (game) - Debug every called subroutine by calling subroutines with right data - Check output subroutine I didn't use colourmode or sound and added that l...
by oss003
Tue Jun 26, 2018 3:00 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

Here are all the messages from both steps: convert and build AGD Compiler for ZX Spectrum Version 0.7 (C) Jonathan Cauldwell June 2018 Sourcename: FOGGY.agd ENDIF without IF on line 1822: (in fact 1893) ; warning - ENDIF without IF? ENDIF without IF on line 1824: (in fact 1895) ; warning - ENDIF wi...
by oss003
Mon Jun 25, 2018 7:28 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

It's amazing how many more AGD games have been developed since I started this thread! Some of them would be great to have on the Dragon/CoCo. Yes, I noticed your post, it was 6 years old but it's an interesting project. I think it all started when Jonathan Cauldwell wrote an editorless version of A...
by oss003
Mon Jun 25, 2018 7:01 pm
Forum: Dragon General
Topic: Anyone interested in converting AGD to the Dragon/CoCo?
Replies: 69
Views: 74554

Re: Anyone interested in converting AGD to the Dragon/CoCo?

Well I did almost the same. I had the Z80 source code of the AGD engine, luckily well documented by Jonathan Cauldwell, and wrote a kind of script file which replaced the Z80 code with 6502 code. This wasn't optimal but in theory it should work, the converted code looked like this: ; 29.03.05 ld l, ...