ZX81 Listing for zxscroll.p

*ZX SCROLL**SLR/2022* (zxscroll.p)

An assembly version of the scroll demo. Super fast!

SYSTEM VARIABLES

PROG  : 16509
D-FILE: 16686
VARS  : 17479
E-LINE: 17480
STKBOT: 17485
STKEND: 17485

LEGEND

9999 means line number
PRINT means treat as KEYWORD P

PROGRAM LISTING

   1 REM /-*ZX SCROLL**SLR/2022*
52523 Eúö+VAL 5M LN STEP RNDE£
RND7??ñ5 ùñPòGOSUB KAT 5ùINKEY$-
 ?;F?E£RND;)+ò;YZ?7YX?(INT ?4RND
/SAVE   6 THEN RNDLN VòGC(H??LN
X÷INKEY$?>=£E THEN RNDF?P4 TO
TAN LN VòG4IF TAN ?<*,011./+)$ùõ
óññòô÷"
   2 RAND USR VAL "16514"