Splitted the dec and inc modules into smaller ones

git-svn-id: svn://svn.cc65.org/cc65/trunk@419 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-10-31 18:42:47 +00:00
parent 0899e279b3
commit e2c2f872c0
14 changed files with 201 additions and 81 deletions
--- a/libsrc/runtime/decaxy.s
+++ b/libsrc/runtime/decaxy.s
@@ -0,0 +1,21 @@
+;
+; Ullrich von Bassewitz, 29.12.1999
+;
+; CC65 runtime: Decrement ax by value in Y
+;
+
+       	.export	       	decaxy
+      	.importzp	tmp1
+
+	.macpack	generic
+
+.proc	decaxy
+
+	sty   	tmp1
+    	sub	tmp1
+    	bcs	@L9
+    	dex
+@L9:	rts
+
+.endproc
+