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/2022** (scrollex.p)


SYSTEM VARIABLES

PROG  : 16509
D-FILE: 16650
VARS  : 17443
E-LINE: 17444
STKBOT: 17444
STKEND: 17444


LEGEND

9999 means line number
PRINT means treat as KEYWORD P


PROGRAM LISTING

  10 REM **SCROLLEX**SLR/2022**
  20 FOR X=0 TO 6.3 STEP .3
  30 SCROLL
  40 LET L=15+14*SIN X
  50 PRINT TAB L;"ZX"
  60 NEXT X
  70 RUN
 100 SAVE "SCROLLEX"
 110 RUN