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forth: add word "LITS"

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This commit is contained in:
Virgil Dupras 2020-03-21 16:31:53 -04:00
parent 145fdd8e05
commit def4ebd7ea
2 changed files with 13 additions and 3 deletions
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1
forth/dictionary.txt
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@ -145,6 +145,7 @@ NOT f -- f Push the logical opposite of f
*** Strings *** *** Strings ***
LIT< x -- Read following word and write to HERE as a string LIT< x -- Read following word and write to HERE as a string
literal. literal.
LITS a -- Write word at addr a as a atring literal.
SCMP a1 a2 -- n Compare strings a1 and a2. See CMP SCMP a1 a2 -- n Compare strings a1 and a2. See CMP
SLEN a -- n Push length of str at a. SLEN a -- n Push length of str at a.

15
forth/forth.asm
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@ -988,16 +988,15 @@ LITN:
ld (HERE), hl ld (HERE), hl
jp next jp next
.db "LIT<" .db "LITS"
.fill 3 .fill 3
.dw LITN .dw LITN
.db 1 ; IMMEDIATE .db 1 ; IMMEDIATE
LITRD: LITS:
.dw compiledWord .dw compiledWord
.dw NUMBER .dw NUMBER
.dw LIT .dw LIT
.dw WR .dw WR
.dw WORD
.dw .scpy .dw .scpy
.dw EXIT .dw EXIT
@ -1010,6 +1009,16 @@ LITRD:
jp next jp next
.db "LIT<"
.fill 3
.dw LITS
.db 1 ; IMMEDIATE
LITRD:
.dw compiledWord
.dw WORD
.dw LITS
.dw EXIT
.db "(find)" .db "(find)"
.fill 1 .fill 1
.dw LITRD .dw LITRD