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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/sign.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/words/sign.asm')
-rw-r--r--amforth-6.5/common/words/sign.asm26
1 files changed, 26 insertions, 0 deletions
diff --git a/amforth-6.5/common/words/sign.asm b/amforth-6.5/common/words/sign.asm
new file mode 100644
index 0000000..f532bbe
--- /dev/null
+++ b/amforth-6.5/common/words/sign.asm
@@ -0,0 +1,26 @@
+; ( n -- )
+; Numeric IO
+; place a - in HLD if n is negative
+
+.if cpu_msp430==1
+ HEADER(XT_SIGN,4,"sign",DOCOLON)
+.endif
+
+.if cpu_avr8==1
+VE_SIGN:
+ .dw $ff04
+ .db "sign"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_SIGN
+XT_SIGN:
+ .dw DO_COLON
+PFA_SIGN:
+.endif
+ .dw XT_ZEROLESS
+ .dw XT_DOCONDBRANCH
+ DEST(PFA_SIGN1)
+ .dw XT_DOLITERAL
+ .dw 45 ; ascii -
+ .dw XT_HOLD
+PFA_SIGN1:
+ .dw XT_EXIT