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path: root/amforth-6.5/common/words/search-wordlist.asm
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-rw-r--r--amforth-6.5/common/words/search-wordlist.asm72
1 files changed, 72 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/search-wordlist.asm b/amforth-6.5/common/words/search-wordlist.asm
new file mode 100644
index 0000000..3d82de4
--- /dev/null
+++ b/amforth-6.5/common/words/search-wordlist.asm
@@ -0,0 +1,72 @@
+; ( c-addr len wid -- [ 0 ] | [ xt [-1|1]] )
+; Search Order
+; searches the word list wid for the word at c-addr/len
+
+.if cpu_msp430==1
+ HEADER(XT_SEARCH_WORDLIST,15,"search-wordlist",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_SEARCH_WORDLIST:
+ .dw $ff0f
+ .db "search-wordlist",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_SEARCH_WORDLIST
+XT_SEARCH_WORDLIST:
+ .dw DO_COLON
+PFA_SEARCH_WORDLIST:
+.endif
+ .dw XT_TO_R
+ .dw XT_ZERO
+ .dw XT_DOLITERAL
+ .dw XT_ISWORD
+ .dw XT_R_FROM
+ .dw XT_TRAVERSEWORDLIST
+ .dw XT_DUP
+ .dw XT_ZEROEQUAL
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_SEARCH_WORDLIST1)
+ .dw XT_2DROP
+ .dw XT_DROP
+ .dw XT_ZERO
+ .dw XT_EXIT
+PFA_SEARCH_WORDLIST1:
+ ; ... get the XT ...
+ .dw XT_DUP
+ .dw XT_NFA2CFA
+ ; .. and get the header flag
+ .dw XT_SWAP
+ .dw XT_NAME2FLAGS
+ .dw XT_IMMEDIATEQ
+ .dw XT_EXIT
+
+.if cpu_msp430==1
+ HEADLESS(XT_ISWORD,DOCOLON)
+.endif
+
+.if cpu_avr8==1
+XT_ISWORD:
+ .dw DO_COLON
+PFA_ISWORD:
+.endif
+ ; ( c-addr len 0 nt -- c-addr len 0 true| nt false )
+ .dw XT_TO_R
+ .dw XT_DROP
+ .dw XT_2DUP
+ .dw XT_R_FETCH ; -- addr len addr len nt
+ .dw XT_NAME2STRING
+ .dw XT_ICOMPARE ; (-- addr len f )
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_ISWORD3)
+ ; not now
+ .dw XT_R_FROM
+ .dw XT_DROP
+ .dw XT_ZERO
+ .dw XT_TRUE ; maybe next word
+ .dw XT_EXIT
+PFA_ISWORD3:
+ ; we found the word, now clean up iteration data ...
+ .dw XT_2DROP
+ .dw XT_R_FROM
+ .dw XT_ZERO ; finish traverse-wordlist
+ .dw XT_EXIT