Reference Card for the ZX80, ZX81 and Timex Sinclair 1000

See all articles from Update April 1994

*ZX80 and ZX81 are registered trademarks of Sinclair Research LTD
© 1982, CYBORG SOFTWARE SYSTEMS, INC., and SHIRLEY A. & PAUL P. NANOS

ZX80/ZX81 graphics character codes chart, top codes for ZX81 and bottom codes for ZX80
ZX80/ZX81 graphics character codes chart, top codes for ZX81 and bottom codes for ZX80
Basic statements table (ZX80 only / ZX81 only)
Basic statements table (ZX80 only / ZX81 only)
Basic commands, edit subcommands, cursors and markers table
Basic commands, edit subcommands, cursors and markers table
Basic functions table: character/string, numeric, math, I/O and other functions
Basic functions table: character/string, numeric, math, I/O and other functions
Derived functions table: inverse, hyperbolic and inverse hyperbolic
Derived functions table: inverse, hyperbolic and inverse hyperbolic
ZX81 memory map (system variables 0 to 32767)
ZX81 memory map (system variables 0 to 32767)

Published 1982 by Nanos Systems Corp., P.O. Box 24344, Speedway, IN 46224 (317)244-4078.
Printed in U.S.A.