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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.
16 lines
547 B
Plaintext
16 lines
547 B
Plaintext
: INTERPRET
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BEGIN
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WORD DUP @ 0x0401 = ( EOT ) IF DROP EXIT THEN
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FIND NOT IF (parse) ELSE EXECUTE THEN
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C<? NOT IF SPC LIT< ok (print) NL THEN
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AGAIN ;
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( Read from BOOT C< PTR and inc it. )
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: (boot<)
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( 2e == BOOT C< PTR )
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0x2e ( BOOT C< PTR ) RAM+ @ DUP C@ ( a c )
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SWAP 1 + 0x2e RAM+ ! ( c ) ;
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( pre-comment for tight LOAD: The 0x08==I check after INTERPRET
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is to check whether we're restoring to "_", the word above.
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if yes, then we're in a nested load. Also, the 1 in 0x06 is
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to avoid tons of "ok" displays. )
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