Added mor specialized decax functions

git-svn-id: svn://svn.cc65.org/cc65/trunk@675 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/runtime/Makefile

@@ -34,6 +34,12 @@ OBJS = 	add.o		\
 	condes.o	\
 	decax1.o	\
 	decax2.o	\
+       	decax3.o	\
+	decax4.o	\
+	decax5.o	\
+	decax6.o	\
+	decax7.o	\
+	decax8.o	\
 	decaxy.o	\
 	decsp1.o	\
        	decsp2.o	\

libsrc/runtime/decax3.s

@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 3
+;
+
+       	.export	       	decax3
+
+	.macpack	generic
+
+.proc	decax3
+
+    	sub	#3
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc

libsrc/runtime/decax4.s

@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 4
+;
+
+       	.export	       	decax4
+
+	.macpack	generic
+
+.proc	decax4
+
+    	sub   	#4
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc

libsrc/runtime/decax5.s

@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 5
+;
+
+       	.export	       	decax5
+
+	.macpack	generic
+
+.proc	decax5
+
+    	sub   	#5
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc

libsrc/runtime/decax6.s

@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 6
+;
+
+       	.export	       	decax6
+
+	.macpack	generic
+
+.proc	decax6
+
+    	sub   	#6
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc

libsrc/runtime/decax7.s

@@ -0,0 +1,18 @@
+;
+; Ullrich von Bassewitz, 26.03.2001
+;
+; CC65 runtime: Decrement ax by 7
+;
+
+       	.export	       	decax7
+
+	.macpack	generic
+
+.proc	decax7
+
+    	sub   	#7
+    	bcs   	@L9
+    	dex
+@L9:	rts
+
+.endproc

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