Resource centre for ZX Spectrum games
using Manic Miner and Jet Set Willy game engines
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Manic Miner & Jet Set Willy Yahoo! Group
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Message: 4141
Author: john_elliott_uk
Date: 28/04/2004
Subject: Re: Taxonomy of JSW-engines; JSWibble; Mono
--- In manicminerandjetsetwilly@yahoogroups.com, andrewbroad
> Nice one! Though it would be useful to have an extra column for the
Added.
> number of bytes per room (256, 1024, &c.).
> I would consider adding "Geoff Mode 2" - the engine for _ZX Willy
Added.
> the Bug Slayer_ - to the taxonomy.
> I would add the Manic Miner variants to the taxonomy (you've
already
> included Manic Miner as the basis for JSW48, after all):
Only because it is.
> When does a patch create a noteworthy variant?
The criteria I'm using are:
> - When it edits the operands of instructions?
> - When it replaces instructions without needing code-motion?
> - Substantial extensions, i.e. ones that do entail code-motion?
> - When data-formats are affected?
> - When existing rooms need to be edited to accommodate the patch?
* It affects the size of the room table, guardian table or item table;
* Or it changes the meaning of bytes within these tables.
So the Jet Set Wibble and Mono patches don't qualify under these
criteria. I've now put source for these at
< http://www.seasip.demon.co.uk/Jsw/patches.html >. I will be adding
some of my other patches to this page, such as Black Willy and a new
version of Adjacent Ropes.
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