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https://github.com/forth-ev/VolksForth.git
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52 lines
3.1 KiB
Forth
52 lines
3.1 KiB
Forth
\ *** Block No. 0 Hexblock 0
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\\ Undo for the VolksForth command line cas2013apr05
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The tool extends the VolksForth "decode" function
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with an UNDO. If there was a typo in the previous line
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pressing the UNDO key will re-fetch the last entered line so
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that it can be edited
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Published in VD 3/87 by Bernd Pennemann
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\ *** Block No. 1 Hexblock 1
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\ Undo for Atari ST cas2013apr05
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Onlyforth
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| $6100 Constant #undo
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: undoSTdecode ( addr pos1 key -- addr pos2 )
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over 0= if
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#undo case? if at? >r >r
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over #tib @ dup span ! type
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r> r> at exit then then
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STdecode ;
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Input: keyboard STkey STkey? undoSTdecode STexpect ;
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keyboard save
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\ *** Block No. 2 Hexblock 2
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