Added mor specialized decax functions

git-svn-id: svn://svn.cc65.org/cc65/trunk@675 b7a2c559-68d2-44c3-8de9-860c34a00d81
2001-03-26 20:47:12 +00:00
parent c3ec23aed0
commit c6c752ef8b
7 changed files with 114 additions and 0 deletions
--- a/libsrc/runtime/decax8.s
+++ b/libsrc/runtime/decax8.s
@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 8
+;
+
+       	.export	       	decax8
+
+	.macpack	generic
+
+.proc	decax8
+
+    	sub   	#8
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc