+/* speakup_acntpc.h - header file for speakups Accent-PC driver. */
+
+#define SYNTH_IO_EXTENT 0x02
+
+#define SYNTH_CLEAR 0x18 /* stops speech */
+
+ /* Port Status Flags */
+#define SYNTH_READABLE 0x01 /* mask for bit which is nonzero if a
+ byte can be read from the data port */
+#define SYNTH_WRITABLE 0x02 /* mask for RDY bit, which when set to
+ 1, indicates the data port is ready
+ to accept a byte of data. */
+#define SYNTH_QUIET 'S' /* synth is not speaking */
+#define SYNTH_FULL 'F' /* synth is full. */
+#define SYNTH_ALMOST_EMPTY 'M' /* synth has less than 2 seconds of text left */
+#define SYNTH_SPEAKING 's' /* synth is speaking and has a fare way to go */