Resource centre for ZX Spectrum games
using Manic Miner and Jet Set Willy game engines
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Message: 3972
Author: carlwoffenden
Date: 10/03/2004
Subject: Re: MM/JSW walking and jumping rules
> 1. Do lots of experiments to determine the jumping-rules in aI've been using video grabs for much the same thing. I have a series
> systematic manner (with heavy use of the pause-button).
of jump and move tests and each build had to perform the same.
> 2. Invert all the pixels in the player's sprite-pageAh, I hadn't thought of that one. Thanks!
> 3. (Possibly) Study the game-engine disassembliesThis is the route I've decided to take. I've annotated a good quarter
of the jump routines from MM so far - I'll share the results once I've
finished (and I'll give the same treatment to JSW afterwards).
> 4. Check for conformance with quirky features:I'm hoping that with a pretty straight port of the original code
it'll quite faithfully reproduce most of them without much extra
effort. Possibly!
Carl.
