/*
 * cbinst - cbios install program for
 * Morrow Designs micro decision
 *
 *	Lenny Edmondson
 * 	for Morrow Designs
 *
 *	    1982
 *
 *	Micro decision utilities
 */
	

# include <stdio.h>


# define MAXTERM	100

# define NCONTROL	6	/* number of control chars. */
# define RESETDISK	13
# define NESCAPE	9	/* number of esc. seqs. */

/*
 * the Morrow standard set of Control and escape seq's.
 */

# define	HOME		0x1e
# define	CLRSCREEN	0x1a
# define	CLEAR		CLRSCREEN
# define	ALTCLEAR	'*'
# define	CLREOS		'Y'
# define	CEOS		CLREOS
# define	CLREOL		'T'
# define	CEOL		CLREOL
# define	CURLEFT		'\b'
# define	LEFT		CURLEFT
# define	CURRIGHT	0xc
# define	RIGHT		CURRIGHT
# define	CURUP		0xb
# define	UP		CURUP
# define	CURDOWN		0xa
# define	DOWN		CURDOWN
# define	INSLINE		'E'
# define	INSCHAR		'Q'
# define	DELLINE		'R'
# define	DELCHAR		'W'

# define	HION		'('
# define	HI		HION
# define 	LOW		')'
# define	HIOFF		LOW
# define	LO		LOW
# define	LEVEL		1
# define	CURSOR		2

# define NSPECS 6
# define HIBYTE 0xff00
# define COLWIDTH 26
# define EXIT 0
# define GETC 1
# define PUTC 2
# define WIDTH 80

# define PUTC	2


# define NCOL 3

# define BYTEMASK	0377
# define BIOSSIZE	2560
# define BIOSREC	20		/* 20 records, 128 bytes each */
# define RECSIZE	128
# define BIOSTRACK	1
# define BIOSSTART	13	/* first rec. of BIOS */
# define BIOSEND	(BIOSSTART + BIOSREC)
# define DCAOFFSET	0x50


# define NORMAL		0
# define FLIPPED	1
# define ASCII		2
	
# define BYTE		'b'
# define SECTOR		's'
# define GETDISK 	25
# define SETDISK 	14
# define SETDRV 	0x1b
# define SECTRAN 	0x30
# define SETTRK 	0x1e
# define SETSEC 	0x21
# define SETDMA 	0x24
# define BIORED		0x27
# define BIOWRT		0x2a
# define HIGHBIT	0x8000
# define NOFILE		0xe5
# define END		0xff		/* indicates the end of the map */
# define BADUSER	15
# define ATT		(1 << 7)	/* the attribute byte */
# define RECSIZE	128
# define K		1024
# define K16		(K * 16)
# define EPR		4
# define NPOINT		8

/*
 * values for "code" in the xlt structure
 *
 */





# define TRANTAB	0xfe		/* This is the char translate tab. */
# define ENDTAB		0xff		/* This is the end of the table */

/*
 * Micro Decision BIOS label addresses
 */

# define RAMDATY	0x42

struct token 
	{
	char *name, value;
	};

struct xlt
	{
	unsigned char code;
	unsigned int length;
	};


# define MAXCUR 6

struct dca	/* direct cursor addressing */
	{
	char	start [MAXCUR],
		mid [MAXCUR],
		end [MAXCUR],
		esclevel,
		offset1,
		offset2,
		order;
	};

struct ctrans
	{
	char from, *to;
	};

struct	terminal
	{
	char	*name,		/* name of the terminal */
		**message,
		level;

	struct dca dca;		/* direct cursor addressing */

	struct ctrans
		control [NCONTROL],
		escape  [NESCAPE];
	};

struct mtab
	{
	char	motor,
		phys,
		ontime,
		settle,
		srt,
		hut,
		eot,
		gpl,
		curtrack;
	};

char	drive,		/* drive on which the BIOS is found */
	*biosbuf,
	ndrives;

unsigned
	term,		/* the index number of the terminal */
	nterm;		/* number of terminals */

struct terminal terminal [];