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: 6893
Author: ian.rushforth
Date: 31/05/2016
Subject: Re: "Jet Set Willy: Mind Control" released for the Club members!
Andrew wrote:
"* UPPER-INVALID: the shaft of the arrow is the top pixel-row of its
character-row, so the top pixel-row of the arrow is cut off.
(a) If the arrow is in the bottom half of the playing-area, then
its top pixel-row is permanently drawn onto the top half
(8 character-rows above the arrow)."
Just for the record (because people occasionally refer back to pearls of wisdom such as can be found in posts like these), I would like to point out there is an error/typo in the above: an Upper Invalid Arrow in the bottom half of the playing-area will only draw a TEMPORARY trail across the top half, 8 character-rows above the arrow, rather than a PERMANENT 'Trail of Havoc'.
Although, as Andrew correctly identifies, a Lower Invalid Arrow in the bottom half of the playing-area DOES cause a permanent 'Trail of Havoc' across the top half.
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