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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.
17 lines
696 B
Plaintext
17 lines
696 B
Plaintext
PC ORG @ 4 + ! ( find )
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( Find the entry corresponding to word name where (HL) points
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to in dictionary having its tip at DE and sets DE to point
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to that entry. Z if found, NZ if not. )
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BC PUSHqq,
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HL PUSHqq,
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( First, figure out string len )
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A (HL) LDrr, A ORr,
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( special case. zero len? we never find anything. )
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IFNZ, ( fail-B296 )
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( Let's do something weird: We'll hold HL by the *tail*.
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Because of our dict structure and because we know our
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lengths, it's easier to compare starting from the end. )
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C A LDrr, B 0 LDrn, ( C holds our length )
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BC ADDHLss, HL INCss, ( HL points to after-last-char )
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( cont . )
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