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/*
* pruser.c - Printer device for userport.
*
* Written by
* André 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.
*
*/
#include "vice.h"
#include <stdio.h>
#include "types.h"
#include "print.h"
#include "pruser.h"
#include "resources.h"
#include "cmdline.h"
static BYTE value; /* userport value */
static int strobe;
static int fd;
/***********************************************************************
* resource handling
*/
static int userport_printer_enabled = 0;
static int userport_printer_device;
static int set_up_enabled(resource_value_t v)
{
int newval = ((int) v) ? 1 : 0;
if (newval && !userport_printer_enabled) {
/* switch printer on */
fd = print_open(userport_printer_device);
if (fd>=0) {
userport_printer_enabled = 1;
}
}
if (userport_printer_enabled && !newval) {
print_close(fd);
userport_printer_enabled = 0;
}
return 0;
}
static int set_up_device(resource_value_t v) {
userport_printer_device = (int) v;
return 0;
}
static resource_t resources[] = {
{ "PrUser", RES_INTEGER, (resource_value_t) 0,
(resource_value_t *) &userport_printer_enabled, set_up_enabled },
{ "PrUserDev", RES_INTEGER, (resource_value_t) 0,
(resource_value_t *) &userport_printer_device, set_up_device },
{ NULL }
};
int pruser_init_resources(void)
{
return resources_register(resources);
}
static cmdline_option_t cmdline_options[] = {
{ "-pruser", SET_RESOURCE, 0, NULL, NULL, "PrUser",
(resource_value_t) 1, NULL,
"Enable the userport printer emulation" },
{ "+pruser", SET_RESOURCE, 0, NULL, NULL, "PrUser",
(resource_value_t) 0, NULL,
"Disable the userport printer emulation" },
{ "-pruserdev", SET_RESOURCE, 1, NULL, NULL, "PrUserDevice",
(resource_value_t) 0,
"<0-2>", "Specify VICE printer device for userport" },
{ NULL }
};
int pruser_init_cmdline_options(void)
{
return cmdline_register_options(cmdline_options);
}
/*********************************************************************/
void userport_printer_write_data(BYTE b)
{
value = b;
}
void userport_printer_write_strobe(int s)
{
if (userport_printer_enabled && strobe && !s) { /* hi->lo on strobe */
print_putc(fd, value);
userport_printer_set_busy(1); /* signal lo->hi */
userport_printer_set_busy(0); /* signal hi->lo */
}
strobe = s;
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.