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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/byteswap.asm
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/avr8/words/byteswap.asm')
-rw-r--r--amforth-6.5/avr8/words/byteswap.asm15
1 files changed, 15 insertions, 0 deletions
diff --git a/amforth-6.5/avr8/words/byteswap.asm b/amforth-6.5/avr8/words/byteswap.asm
new file mode 100644
index 0000000..b49cd2f
--- /dev/null
+++ b/amforth-6.5/avr8/words/byteswap.asm
@@ -0,0 +1,15 @@
+; ( n1 -- n2 )
+; Arithmetics
+; exchange the bytes of the TOS
+VE_BYTESWAP:
+ .dw $ff02
+ .db "><"
+ .dw VE_HEAD
+ .set VE_HEAD = VE_BYTESWAP
+XT_BYTESWAP:
+ .dw PFA_BYTESWAP
+PFA_BYTESWAP:
+ mov temp0, tosh
+ mov tosh, tosl
+ mov tosl, temp0
+ jmp_ DO_NEXT