JSW Taxonomy

JSW Version Based on Rooms Guardian class tables Guardian instances per room Bytes per room Block types Notes
JSW48 (original) Manic Miner 64 1 8 256 4
Softricks JSW48 62 2 8 256 4 Various other changes.
Ian Collier's "avoid infinite death" hack JSW48 64 1 8 256 4 Room definition includes safe start position
Andrew Mode JSW48 64 1 8 256 4 Sprite set in room definition.
Geoff Mode JSW48 64 1 8 256 4 Patch vector in each room
Geoff Mode II JSW48 64 2 8 256 4 Memory rearranged and extra guardian types
JGH Mode JSW48 72+ 1 8 256 4 Allows rooms to be put in the 8000h-BFFFh range.
Erix1 Mode Softricks 62 2 8 256 ? Extensively modified.
Henry's Hoard JSW48 51 1 8 256 4 This was actually sold commercially.

JSW128 JSW48 256 1-13 8 256 4
JSW128 + Softricks Softricks 256 1-12 8 256 4

JSW64 V JSW128 * 128 N/A 13 512 8
JSW64 W JSW128 * 128 N/A 8 512 13
JSW64 X JSW128 * 64 N/A 13 1024 8
JSW64 Y JSW128 * 64 N/A 8 1024 13
JSW64 Z JSW128 * 64 N/A 8 1024 256
JSW64 [ JSW128 * 64 N/A 4 1024 16

*: Although JSW64 shares a lot of code with JSW128, not all of it is in the same place.


John Elliott 18-4-2004