Added macro for ssc slot selection.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4527 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/include/apple2.h b/include/apple2.h
index af7d92f7314c7f89e1802ec0ed5707fe2c64385f..15fb8bacaf486f5a82897de866dff7162a1ecf78 100644 (file)
--- a/include/apple2.h
+++ b/include/apple2.h
@@ -143,6 +143,11 @@ unsigned char get_ostype (void);
 void rebootafterexit (void);
 /* Reboot machine after program termination has completed. */
 
+#define ser_apple2_slot(num)    ser_ioctl (0, (void *) (num))
+/* Select a slot number from 1 to 7 prior to ser_open.
+ * The default slot number is 2.
+ */
+
 #define tgi_apple2_mix(onoff)   tgi_ioctl (0, (void *) (onoff))
 /* If onoff is 1, graphics/text mixed mode is enabled.
  * If onoff is 0, graphics/text mixed mode is disabled.