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Docs ยป Sinclair ZX-81 BASIC

sinclair:zx81

Sinclair ZX-81 BASIC

zx81
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$

Environment and usage

Extensions

Curiosities

Related to...

Influenced by

Influence for

Versions and successors

References

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Table of Contents

Table of Contents

  • Sinclair ZX-81 BASIC
    • Where it is/was used
    • Noteworthy characteristics
    • Environment and usage
    • Extensions
    • Curiosities
    • Related to...
      • Influenced by
      • Influence for
    • Versions and successors
    • References

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