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2d17b4e8ec
I'm not sure why I chose null-terminated initially. Probably because the z80asm version had null-terminated strings. Length-prefixes strings are the traditional form of strings in Forth and it's a bit easier to work with them with traditional forth words when they're under this form.
10 lines
357 B
Plaintext
10 lines
357 B
Plaintext
: EMIT
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( 0x53==(emit) override )
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0x53 RAM+ @ ?DUP IF EXECUTE ELSE (emit) THEN ;
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: (print) C@+ ( a len ) 0 DO C@+ EMIT LOOP DROP ;
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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 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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