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/*
* serial.h - Serial device implementation.
*
* Written by
* Teemu Rantanen (tvr@cs.hut.fi)
* Andr� Fachat (a.fachat@physik.tu-chemnitz.de)
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#ifndef _SERIAL_H
#define _SERIAL_H
#include "types.h"
#include "traps.h"
#define MAXDEVICES 16
/* Serial Error Codes. */
#define SERIAL_OK 0
#define SERIAL_WRITE_TIMEOUT 1
#define SERIAL_READ_TIMEOUT 2
#define SERIAL_FILE_NOT_FOUND 64
#define SERIAL_NO_DEVICE 128
#define SERIAL_ERROR (2)
#define SERIAL_EOF (64)
/* Device types. */
#define DT_FS 0x0100 /* Filesystem Drive */
#define DT_DISK 0x0200
#define DT_PRINTER 0x0400
#define DT_TAPE 0x0800
#define DT_MASK 0xFF
/* Disk Drives. */
#define DT_1540 0
#define DT_1541 1 /* Default */
#define DT_1542 2
#define DT_1551 3
#define DT_1570 4
#define DT_1571 5
#define DT_1572 6
#define DT_1581 8
#define DT_2031 16
#define DT_2040 17
#define DT_2041 18
#define DT_3040 17 /* Same as 2040 */
#define DT_4031 16 /* Same as 2031 */
/* #define DT_2081 */
#define DT_4040 24
#define DT_8050 32
#define DT_8060 33
#define DT_8061 34
#define DT_SFD1001 48
#define DT_8250 49
#define DT_8280 50
/* Printers. */
#define DT_ASCII 0 /* No printer commands nor graphics */
#define DT_MPS803 1
#define DT_STAR10CCL 2
typedef struct serial_s
{
int inuse;
int isopen[16]; /* isopen flag for each secondary address */
char *info; /* pointer to run-time data */
char *name; /* name of the device */
int (*getf)(void *, BYTE *, int); /* serial read function */
int (*putf)(void *, BYTE, int); /* serial write function */
int (*openf)(void *, char *, int, int); /* serial open function */
int (*closef)(void *, int); /* serial close function */
void (*flushf)(void *, int); /* tell device that write completed */
BYTE nextbyte[16]; /* next byte to send to emulator, per sec. addr. */
char nextok[16]; /* flag if nextbyte is valid */
int nextst[16];
/* The PET hardware emulation can be interrupted while
transferring a byte. Thus we also have to save the byte
and status last sent, to be able to send it again. */
BYTE lastbyte[16];
char lastok[16];
int lastst[16];
} serial_t;
extern int serial_init(const trap_t *trap_list);
extern int serial_install_traps(void);
extern int serial_remove_traps(void);
extern int serial_attach_device(int device, char *var, char *name,
int (*getf)(void *, BYTE *, int),
int (*putf)(void *, BYTE, int),
int (*openf)(void *, char *, int, int),
int (*closef)(void *, int),
void (*flushf)(void *, int));
extern int serial_select_file(int type, int number, const char *file);
extern int serial_remove(int number);
extern char *serial_get_file_name(int number);
extern serial_t *serial_get_device(int number);
extern void serial_reset(void);
extern int parallelattention(int b);
extern int parallelsendbyte(int data);
extern int parallelreceivebyte(BYTE *data, int fake);
extern void serialattention(void);
extern void serialsendbyte(void);
extern void serialreceivebyte(void);
extern void trap_serial_ready(void);
extern void serial_set_eof_callback(void (*func)(void));
extern void serial_set_attention_callback(void (*func)(void));
#endif /* _SERIAL_H */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.