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36 lines
796 B
Forth
36 lines
796 B
Forth
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( ----- 000 )
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\\ Circular String Buffer cas 27jul20
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Wil Baden, Costa Mesa, California
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Forth Dimensions July 1996
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( ----- 001 )
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\ CSB load screen cas 27jul20
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1 3 +thru
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.( Circular Ring Buffer loaded. )
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( ----- 002 )
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\ Get-Buf >PAD cas 27jul20
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1000 CONSTANT /CSB
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CREATE CSB 0 , /CSB ALLOT
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: GET-BUF ( n -- c_addr )
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DUP CSB @ > IF /CSB CSB ! THEN
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NEGATE CSB +!
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CSB 2+ CSB @ + ;
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: >PAD ( a u -- 'a u )
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DUP GET-BUF SWAP
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2DUP >R >R MOVE R> R> ;
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( ----- 003 )
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\ S" cas 27jul20
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: S" ( "ccc<quote>" -- | c_addr u )
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ASCII " PARSE
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STATE @ IF
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POSTPONE SLITERAL
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ELSE
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>PAD
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THEN ; IMMEDIATE
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