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Add word WIPE

This commit is contained in:
Virgil Dupras 2020-04-27 21:28:34 -04:00
parent 2b2ccad96c
commit b8ea515612
3 changed files with 6 additions and 4 deletions

View File

@ -5,7 +5,7 @@ LIST n -- Prints the contents of the block n on screen
in the form of 16 lines of 64 columns.
LOAD n -- Interprets Forth code from block n
LOADR n1 n2 -- Load block range between n1 and n2, inclusive.
WIPE -- Empties current block

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@ -3,9 +3,9 @@
and ABORT on mismatch. )
: AT28! ( n a -- )
2DUP C!
( as long as writing operation is running, IO/6 will toggle at each
read attempt. We know that write is finished when we read the same
value twice. )
( as long as writing operation is running, IO/6 will toggle
at each read attempt. We know that write is finished when
we read the same value twice. )
BEGIN ( n1 a )
DUP C@ ( n1 a n2 )
OVER C@ ( n1 a n2 n3 )

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@ -1,2 +1,4 @@
( b1 b2 -- )
: LOADR 1+ SWAP DO I DUP . CRLF LOAD LOOP ;
: WIPE BLK( 1024 0 FILL BLK!! ;