ZX81 Programs


Read about, play, run, or list games, animations, and more. These are my programs from the ’80s to today.

ZX81 Program Listing

SCROLLEX**SLR/1998 (scrollex.p)


SYSTEM VARIABLES

PROG  : 16509
D-FILE: 16609
VARS  : 17402
E-LINE: 17427
STKBOT: 17439
STKEND: 17439


LEGEND

9999 means line number
PRINT means treat as KEYWORD P


PROGRAM LISTING

  10 FOR X=0 TO 30 STEP .3
  20 LET L=15+14*SIN X
  30 PRINT TAB L;"ZX"
  40 IF X>6.3 THEN SCROLL
  50 NEXT X