Added fast(), slow() and c64mode()

git-svn-id: svn://svn.cc65.org/cc65/trunk@1982 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-02-13 21:29:12 +00:00
parent 332c37fa04
commit 8c7400c26e
6 changed files with 74 additions and 1 deletions
--- a/libsrc/c128/fast.s
+++ b/libsrc/c128/fast.s
@@ -0,0 +1,23 @@
+;
+; Ullrich von Bassewitz, 2003-02-13
+;
+; void fast (void);
+; /* Switch the CPU into 2MHz mode. Note: This will disable video when in
+;  * 40 column mode.
+;  */
+;
+
+	.export		_fast
+
+	.include	"c128.inc"
+
+
+.proc	_fast
+
+	lda	#$01
+	sta	VIC_CLK_128
+	rts
+
+.endproc
+
+