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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/avr8/words/docondbranch.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/avr8/words/docondbranch.asm')
-rw-r--r--amforth-6.5/avr8/words/docondbranch.asm16
1 files changed, 16 insertions, 0 deletions
diff --git a/amforth-6.5/avr8/words/docondbranch.asm b/amforth-6.5/avr8/words/docondbranch.asm
new file mode 100644
index 0000000..64b2e5e
--- /dev/null
+++ b/amforth-6.5/avr8/words/docondbranch.asm
@@ -0,0 +1,16 @@
+; ( f -- )
+; System
+; runtime of ?branch
+;VE_DOCONDBRANCH:
+; .dw $ff09
+; .db "(?branch)"
+; .dw VE_HEAD
+; .set VE_HEAD = VE_DOCONDBRANCH
+XT_DOCONDBRANCH:
+ .dw PFA_DOCONDBRANCH
+PFA_DOCONDBRANCH:
+ or tosh, tosl
+ loadtos
+ brbs 1, PFA_DOBRANCH ; 1 is z flag; if tos is zero (false), do the branch
+ adiw XL, 1
+ jmp_ DO_NEXT