More module splits

git-svn-id: svn://svn.cc65.org/cc65/trunk@393 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-10-25 19:53:22 +00:00
parent e3a8e6bbe4
commit dd0ddc94e3
25 changed files with 552 additions and 231 deletions
--- a/libsrc/runtime/decsp2.s
+++ b/libsrc/runtime/decsp2.s
@@ -0,0 +1,31 @@
+;
+; Ullrich von Bassewitz, 25.10.2000
+;
+; CC65 runtime: Decrement the stackpointer by 2
+;
+
+       	.export	  	decsp2
+	.importzp	sp
+
+.proc	decsp2
+
+	ldy	sp
+       	beq	@L1
+       	dey
+       	beq	@L2
+       	dey
+       	sty	sp
+       	rts
+
+@L1:	dey
+@L2:    dey
+       	sty	sp
+       	dec	sp+1
+	rts
+
+.endproc
+	
+
+
+
+