collapseos/371 at 223cb94466eb0970520fdc1192499b0d24831d09 - collapseos - SKS Gitea

izaya/collapseos

mirror of https://github.com/hsoft/collapseos.git synced 2024-12-25 16:38:06 +11:00

Virgil Dupras bd38d80f9c Move Cross-compiled core from B390 to B350

and renamed it "Core words". Also, reworded the presentation.

2020-05-15 22:44:49 -04:00

14 lines

361 B

Plaintext

Raw Blame History

 : MOVE ( a1 a2 u -- )
     ( u ) 0 DO ( a1 a2 )
         SWAP C@+ ( a2 a1+1 x )
         ROT C!+ ( a1+1 a2+1 )
     LOOP 2DROP ;
 : MOVE- ( a1 a2 u -- )
     SWAP OVER + 1- ( a1 u a2+u-1 )
     ROT 2 PICK + 1- ( u a2+u-1 a1+u-1 )
     ROT ( u ) 0 DO ( a2 a1 )
         C@- ( a2 a1-1 x )
         ROT C!- ( a1-1 a2-1 ) SWAP ( a2 a1 )
     LOOP 2DROP ;
 : PREV 3 - DUP @ - ;