Add original unix v6

2018-01-27 22:35:41 +09:00
commit 2c7099ee50
664 changed files with 106254 additions and 0 deletions
@@ -0,0 +1,84 @@
+/*
+ * A clist structure is the head
+ * of a linked list queue of characters.
+ * The characters are stored in 4-word
+ * blocks containing a link and 6 characters.
+ * The routines getc and putc (m45.s or m40.s)
+ * manipulate these structures.
+ */
+struct clist
+{
+	int	c_cc;		/* character count */
+	int	c_cf;		/* pointer to first block */
+	int	c_cl;		/* pointer to last block */
+};
+
+/*
+ * A tty structure is needed for
+ * each UNIX character device that
+ * is used for normal terminal IO.
+ * The routines in tty.c handle the
+ * common code associated with
+ * these structures.
+ * The definition and device dependent
+ * code is in each driver. (kl.c dc.c dh.c)
+ */
+struct tty
+{
+	struct	clist t_rawq;	/* input chars right off device */
+	struct	clist t_canq;	/* input chars after erase and kill */
+	struct	clist t_outq;	/* output list to device */
+	int	t_flags;	/* mode, settable by stty call */
+	int	*t_addr;	/* device address (register or startup fcn) */
+	char	t_delct;	/* number of delimiters in raw q */
+	char	t_col;		/* printing column of device */
+	char	t_erase;	/* erase character */
+	char	t_kill;		/* kill character */
+	char	t_state;	/* internal state, not visible externally */
+	char	t_char;		/* character temporary */
+	int	t_speeds;	/* output+input line speed */
+	int	t_dev;		/* device name */
+};
+
+char partab[];			/* ASCII table: parity, character class */
+
+#define	TTIPRI	10
+#define	TTOPRI	20
+
+#define	CERASE	'#'		/* default special characters */
+#define	CEOT	004
+#define	CKILL	'@'
+#define	CQUIT	034		/* FS, cntl shift L */
+#define	CINTR	0177		/* DEL */
+
+/* limits */
+#define	TTHIWAT	50
+#define	TTLOWAT	30
+#define	TTYHOG	256
+
+/* modes */
+#define	HUPCL	01
+#define	XTABS	02
+#define	LCASE	04
+#define	ECHO	010
+#define	CRMOD	020
+#define	RAW	040
+#define	ODDP	0100
+#define	EVENP	0200
+#define	NLDELAY	001400
+#define	TBDELAY	006000
+#define	CRDELAY	030000
+#define	VTDELAY	040000
+
+/* Hardware bits */
+#define	DONE	0200
+#define	IENABLE	0100
+
+/* Internal state bits */
+#define	TIMEOUT	01		/* Delay timeout in progress */
+#define	WOPEN	02		/* Waiting for open to complete */
+#define	ISOPEN	04		/* Device is open */
+#define	SSTART	010		/* Has special start routine at addr */
+#define	CARR_ON	020		/* Software copy of carrier-present */
+#define	BUSY	040		/* Output in progress */
+#define	ASLEEP	0100		/* Wakeup when output done */