Sinclair ZX-81 BASIC

Keywords

Almost all of ZX80 4KB plus:

ACS

ASN

AT

ATN

BREAK

CONT

COPY

COS

EXP

FAST

FUNCTION

GOTO

INKEY$

INT

LEN

LET

LLIST

LN

LPRINT

NOT

PAUSE

PI

PLOT

RAND

SCROLL

SGN

SIN

SLOW

SQR

STEP

TAB

TAN

UNPLOT

VALSTR$

With the better hardware provided by the ZX-81, Sinclair was able to implement a more respectable BASIC than the original ZX80 4KB version.

Where it is/was used

Noteworthy characteristics

The following keywords found in the original version were not implemented in ZX81 BASIC:
- CONTINUE, replaced by CONT
- GO TO made way for GOTO
- RANDOMISE was out, RAND was in
- TL$

Table of Contents

Sinclair ZX-81 BASIC

Keywords

Where it is/was used

Noteworthy characteristics

Environment and usage

Extensions

Curiosities

Related to...

Influenced by

Influence for

Versions and successors

References