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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/common/words/traverse-wordlist.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/traverse-wordlist.asm')
-rw-r--r--amforth-6.5/common/words/traverse-wordlist.asm49
1 files changed, 49 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/traverse-wordlist.asm b/amforth-6.5/common/words/traverse-wordlist.asm
new file mode 100644
index 0000000..b6c00e0
--- /dev/null
+++ b/amforth-6.5/common/words/traverse-wordlist.asm
@@ -0,0 +1,49 @@
+; ( i*x xt wid -- j*x )
+; Tools Ext (2012)
+; call the xt for every member of the wordlist wid until xt returns false
+
+.if cpu_msp430==1
+ HEADER(XT_TRAVERSEWORDLIST,17,"traverse-wordlist",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_TRAVERSEWORDLIST:
+ .dw $ff11
+ .db "traverse-wordlist",0
+ .dw VE_HEAD
+ .set VE_HEAD = VE_TRAVERSEWORDLIST
+XT_TRAVERSEWORDLIST:
+ .dw DO_COLON
+PFA_TRAVERSEWORDLIST:
+
+.endif
+ .dw XT_FETCHE
+PFA_TRAVERSEWORDLIST1:
+ .dw XT_DUP ; ( -- xt nt nt )
+ .dw XT_DOCONDBRANCH ; ( -- nt ) is nfa = counted string
+ DEST(PFA_TRAVERSEWORDLIST2)
+ .dw XT_2DUP
+ .dw XT_2TO_R
+ .dw XT_SWAP
+ .dw XT_EXECUTE
+ .dw XT_2R_FROM
+ .dw XT_ROT
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_TRAVERSEWORDLIST2)
+ .dw XT_NFA2LFA
+ .dw XT_FETCHI
+ .dw XT_DOBRANCH ; ( -- addr )
+ DEST(PFA_TRAVERSEWORDLIST1) ; ( -- addr )
+PFA_TRAVERSEWORDLIST2:
+ .dw XT_2DROP
+ .dw XT_EXIT
+
+; : traverse-wordlist ( i*x xt wid -- i*x' )
+; begin @ dup
+; while
+; 2dup 2>r
+; swap execute ( i*x nt -- i*x' f )
+; 2r> rot
+; while
+; nfa>lfa @i
+; repeat then 2drop ;