mirror of
https://github.com/hsoft/collapseos.git
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bd38d80f9c
and renamed it "Core words". Also, reworded the presentation.
16 lines
478 B
Plaintext
16 lines
478 B
Plaintext
: EMIT
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( 0x53==(emit) override )
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0x53 RAM+ @ DUP IF EXECUTE ELSE DROP (emit) THEN ;
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: (print)
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BEGIN
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C@+ ( a+1 c )
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( exit if null or 0xd )
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DUP 0xd = OVER NOT OR IF 2DROP EXIT THEN
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EMIT ( a )
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AGAIN ;
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: BS 8 EMIT ; : LF 10 EMIT ; : CR 13 EMIT ;
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: CRLF CR LF ; : SPC 32 EMIT ;
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: NL 0x0a RAM+ @ ( NLPTR ) DUP IF EXECUTE ELSE DROP CRLF THEN ;
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: (uflw) LIT" stack underflow" ERR ;
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: (wnf) (print) SPC LIT" word not found" ERR ;
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