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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/q-negate.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/q-negate.asm')
-rw-r--r--amforth-6.5/common/words/q-negate.asm22
1 files changed, 22 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/q-negate.asm b/amforth-6.5/common/words/q-negate.asm
new file mode 100644
index 0000000..b6fe534
--- /dev/null
+++ b/amforth-6.5/common/words/q-negate.asm
@@ -0,0 +1,22 @@
+;Z ?NEGATE n1 n2 -- n3 negate n1 if n2 negative
+; 0< IF NEGATE THEN ; ...a common factor
+
+.if cpu_msp430==1
+ HEADER(XT_QNEGATE,7,"?negate",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_QNEGATE:
+ .dw $ff07
+ .db "?negate"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_QNEGATE
+XT_QNEGATE:
+ .dw DO_COLON
+PFA_QNEGATE:
+
+.endif
+ .DW XT_ZEROLESS,XT_DOCONDBRANCH
+ DEST(QNEG1)
+ .DW XT_NEGATE
+QNEG1: .DW XT_EXIT