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.