clarify PicoDrive's license

[picodrive.git] / pico / 32x / pwm.c

diff --git a/pico/32x/pwm.c b/pico/32x/pwm.c
index 8e36589..018a200 100644 (file)
--- a/pico/32x/pwm.c
+++ b/pico/32x/pwm.c
@@ -1,3 +1,10 @@
+/*
+ * PicoDrive
+ * (C) notaz, 2009,2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 #include "../pico_int.h"
 
 static int pwm_line_samples;
@@ -145,7 +152,6 @@ void p32x_pwm_write16(unsigned int a, unsigned int d)
 
 void p32x_pwm_update(int *buf32, int length, int stereo)
 {
-  extern int pwm_ptr;
   short *pwmb;
   int step;
   int p = 0;