aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/common/words/q-dnegate.asm
diff options
context:
space:
mode:
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-dnegate.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/q-dnegate.asm')
-rw-r--r--amforth-6.5/common/words/q-dnegate.asm21
1 files changed, 21 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/q-dnegate.asm b/amforth-6.5/common/words/q-dnegate.asm
new file mode 100644
index 0000000..a9938c6
--- /dev/null
+++ b/amforth-6.5/common/words/q-dnegate.asm
@@ -0,0 +1,21 @@
+;Z ?DNEGATE d1 n -- d2 negate d1 if n negative
+; 0< IF DNEGATE THEN ; ...a common factor
+
+.if cpu_msp430==1
+ HEADER(XT_QDNEGATE,8,"?dnegate",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_QDNEGATE:
+ .dw $ff08
+ .db "?dnegate"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_QDNEGATE
+XT_QDNEGATE:
+ .dw DO_COLON
+PFA_QDNEGATE:
+.endif
+ .DW XT_ZEROLESS,XT_DOCONDBRANCH
+ DEST(DNEG1)
+ .DW XT_DNEGATE
+DNEG1: .DW XT_EXIT