Apur-ee.269
net.micro
utcsrgv!utzoo!decvax!pur-ee!mj
Fri Mar 19 03:42:17 1982
ZX81 expansion


	I've been thinking about buying a ZX-81 to help
	a friend learn BASIC, but I think I could get
	the memory cheaper if I built it myself. Do any
	of you ZX-81 users out there know where in the 
	machine's memory space is the expansion module 
	located? I'd hate to just guess, because who 
	knows what kind of partial address decoding 
	and other nasties could be going on inside that LSI chip!
	Please address responses to Mark Johnson at Purdue
	University.

					Thanks,
					Mark Johnson
					pur-ee!mj

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