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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/msp430/words/n_to_r.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/msp430/words/n_to_r.asm')
-rw-r--r--amforth-6.5/msp430/words/n_to_r.asm15
1 files changed, 15 insertions, 0 deletions
diff --git a/amforth-6.5/msp430/words/n_to_r.asm b/amforth-6.5/msp430/words/n_to_r.asm
new file mode 100644
index 0000000..91807e5
--- /dev/null
+++ b/amforth-6.5/msp430/words/n_to_r.asm
@@ -0,0 +1,15 @@
+; ( x-n .. x-1 n -- ) (R: -- x-n .. x-1 n)
+; Stack
+; move n items from data stack to return stack
+ CODEHEADER(XT_N_TO_R,3,"n>r")
+
+ MOV TOS, X ; save count cell twice
+ MOV TOS, Y
+PFA_N_TO_R1:
+ MOV @PSP+,TOS
+ PUSH TOS
+ SUB #1, X
+ JNZ PFA_N_TO_R1
+ PUSH Y ; old TOS (count)
+ MOV @PSP+,TOS ; get new TOS
+ NEXT \ No newline at end of file