Initial import, 0.1 + pk 0.2.4-B1

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/i386/isa/lptreg.h b/sys/i386/isa/lptreg.h
new file mode 100644
index 0000000..2605fa0
--- /dev/null
+++ b/sys/i386/isa/lptreg.h
@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * %sccs.include.noredist.c%
+ *
+ *      @(#)lptreg.h	1.1 (Berkeley) 12/19/90
+ */
+
+/*
+ * AT Parallel Port (for lineprinter)
+ * Interface port and bit definitions
+ * Written by William Jolitz 12/18/90
+ * Copyright (C) William Jolitz 1990
+ */
+
+#define lpt_data	0	/* Data to/from printer (R/W) */
+
+#define lpt_status	1	/* Status of printer (R) */
+#define	LPS_NERR		0x08	/* printer no error */
+#define	LPS_SEL			0x10	/* printer selected */
+#define	LPS_OUT			0x20	/* printer out of paper */
+#define	LPS_NACK		0x40	/* printer no ack of data */
+#define	LPS_NBSY		0x80	/* printer no ack of data */
+
+#define lpt_control	2	/* Control printer (R/W) */
+#define	LPC_STB			0x01	/* strobe data to printer */
+#define	LPC_AUTOL		0x02	/* automatic linefeed */
+#define	LPC_NINIT		0x04	/* initialize printer */
+#define	LPC_SEL			0x08	/* printer selected */
+#define	LPC_ENA			0x10	/* printer out of paper */