mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-24 00:38:06 +11:00
17 lines
286 B
Plaintext
17 lines
286 B
Plaintext
( a1 a2 u -- )
|
|
: MOVE
|
|
( u ) 0 DO
|
|
SWAP DUP I + C@ ( a2 a1 x )
|
|
ROT SWAP OVER I + ( a1 a2 x a2 )
|
|
C! ( a1 a2 )
|
|
LOOP
|
|
2DROP
|
|
;
|
|
|
|
: DELW 1- 0 SWAP C! ;
|
|
|
|
: PREV
|
|
3 - DUP @ ( a o )
|
|
- ( a-o )
|
|
;
|