Jet Set Willy: Changelog

20221122

20200806

20190607

20181016

Ported the disassembly to SkoolKit 7
Documented a bug: Corrupted nasties (thanks IRF)
In The encroaching rope, added a note about the danger of having a rope defined as the eighth entity in a room (thanks IRF)

20171113

Added trivia entries:
- The flickering clock (thanks Spider)
- Unanimated conveyors
In Guardian or fixture?, added a note about the minimum and maximum pixel y-coordinates
In Don't mind your head, added a note about collecting the item in The Forgotten Abbey (thanks IRF)

20170518

20161105

Added trivia entries:
- Floor ramps (thanks IRF)
- The disrespectful monk (thanks IRF)
- The uneconomical underworld (thanks IRF)
- Underanimated guardians (thanks IRF)
- Ramps v. walls (thanks IRF)
In The one-way saw, added a POKE to make the saw face right when moving in that direction
In Unused room, added a note about the right exit from Tree Root (thanks IRF)
In Very corrupted conveyor, added a note about fixing the appearance of the ramp tile (thanks IRF)
On the Unused addresses page, added a list of unused areas embedded in code and data blocks
Added a glossary entry: Animation frame index mask

20160511

Added trivia entries:
- Double descent (thanks IRF)
- Items and whiteness (thanks IRF)
- The one-way saw
- The most guardians
- The quadridirectional guardian
- Unanimated guardians
- High jump
Documented bugs:
- Very corrupted conveyor (thanks Stuart Brady and IRF)
- From top to bottom (thanks Spider, IRF and jetsetdanny)
- Long distance nasties (thanks IRF)
- Stuck in the wall (thanks IRF)
- Guardian halos
In Guardians need a clear path, added a note about arrows hitting guardians (thanks IRF)
The table of entity definitions now shows every animation frame for each guardian
Made various improvements to the hexadecimal version of the disassembly

20160117

In The music of life, added a POKE to prevent the in-game music from deteriorating as Willy loses lives
In The sticky bed, added a note about using 'right' keys other than 'P' to move Willy off the bed (thanks jetsetdanny)
In The self-collecting item, added a POKE that enables Willy to collect the item himself (thanks Stuart Brady)
In Game over at 1am, added a note about the message that scrolls across the lower part of the title screen
In Corrupted conveyors, added POKEs that fix how conveyors are drawn
In One item behind another, added a POKE that moves one of the items to a different location (thanks Stuart Brady)

20150328

20141114

20140913

The disassembly is now 'complete'.

20140807

Added trivia entries:
Documented a bug: Invalid grid location
Added POKEs:
Added routine titles
Added a description to each game status buffer entry, message entry and data block listing the routines that use it
Added item locations to the entry at 41984
Listed the rooms in which each guardian appears (see 40000, 40064 and 43776)
Listed the rooms in which each entity definition is used (see 40960)
Added the code for each grid location to the entry at 40448

20131102

Included in SkoolKit 3.6.

20130901

Included in SkoolKit 3.5.

20121101

Included in SkoolKit 3.2.

20120501

Included in SkoolKit 3.0.2.

20120411

Initial version, included in SkoolKit 3.0.1.