ZX81 Programs


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

ZX81 Program Listing

ps2infmaze (ps2infmaze.p)


SYSTEM VARIABLES

PROG  : 16509
D-FILE: 16740
VARS  : 17533
E-LINE: 17534
STKBOT: 17534
STKEND: 17534


LEGEND

9999 means line number
PRINT means treat as KEYWORD P


PROGRAM LISTING

   1 REM /.*PS2INFMAZE*SLR/2024*
   2 REM LN BRNDLN COS RND/SAVE
TO RETURN
8197 RND/=SCROLL RETURN
10255 ?LN SAVE <UñRNDACS ?COS AT
INT "AT INT COPY ?LCOS ,NOT LN
STR$ RND<"?COS RNDSTR$ VAL ñPòE£
RNDùFOR E:RNDJGOSUB DELETE ?P
ATN GOSUB RNDAT SGN TAN RND7
LOOP DATA ñ5 ùñPòGOSUB Kñ+òE£RND
ù6:RNDTAN
  10 CLS
  20 PRINT USR 16514;"õ³"(RND+1)
;
  30 GOTO 20
 100 SAVE "PS2INFMAZE"
 110 RAND 0
 120 RUN