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/* * prdevice.c - Printer device. * * 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 <stdlib.h> #include <ctype.h> #include <string.h> #include "resources.h" #include "cmdline.h" #include "drive.h" #include "file.h" #include "charsets.h" #include "utils.h" #include "prdevice.h" #include "print.h" /* * At this time only one printer is supported and it is attached to * device 4. * Secondary address simply switched conversion modes (none of them are * implemented so far, so secondary address is simply ignored. * * The actual printing is done via print services in the arch/x/print.c * file; prototypes are in print.h */ static int prdevice_attach(int); static int prdevice_detach(int); /*********************************************************************** * resource handling */ static int pr4_device; static int pr4_enabled; static int set_pr4_device(resource_value_t v) { pr4_device = (int) v; return 0; } static int set_pr4_enabled(resource_value_t v) { int flag = ((int) v) ? 1 : 0; if(pr4_enabled && !flag) { prdevice_detach(4); } if(flag && !pr4_enabled) { prdevice_attach(4); } pr4_enabled = flag; return 0; } static resource_t resources[] = { { "Printer4", RES_INTEGER, (resource_value_t) 0, (resource_value_t *) &pr4_enabled, set_pr4_enabled }, { "Printer4Dev", RES_INTEGER, (resource_value_t) 0, (resource_value_t *) &pr4_device, set_pr4_device }, { NULL } }; int prdevice_init_resources(void) { return resources_register(resources); } static cmdline_option_t cmdline_options[] = { { "-printer4", SET_RESOURCE, 0, NULL, NULL, "Printer4", (resource_value_t) 1, NULL, "Enable the IEC device #4 printer emulation" }, { "+printer4", SET_RESOURCE, 0, NULL, NULL, "Printer4", (resource_value_t) 0, NULL, "Disable the IEC device #4 printer emulation" }, { "-pr4dev", SET_RESOURCE, 1, NULL, NULL, "Printer4Device", (resource_value_t) 0, "<0-2>", "Specify VICE printer device for IEC printer #4" }, { NULL } }; int prdevice_init_cmdline_options(void) { return cmdline_register_options(cmdline_options); } /***********************************************************************/ static int currfd; static int inuse; static int write_pr(void *var, BYTE byte, int secondary) { /* FIXME: switch(secondary) for code conversion */ if(!inuse) { fprintf(stderr,"prdevice: printing while printer not open!\n"); return -1; } return print_putc(currfd, byte); } static int open_pr(void *var, char *name, int length, int secondary) { if(inuse) { fprintf(stderr, "prdevice: open printer while still open - ignoring\n"); return 0; } currfd = print_open(pr4_device); if(currfd < 0) { fprintf(stderr, "prdevice: Couldn't open device %d\n", pr4_device); return -1; } inuse = 1; return 0; } static int close_pr(void *var, int secondary) { if(!inuse) { fprintf(stderr, "prdevice: close printer while being closed - ignoring\n"); return 0; } print_close(currfd); inuse = 0; return 0; } static void flush_pr(void *var, int secondary) { if(!inuse) { fprintf(stderr, "prdevice: flush printer while being closed - ignoring\n"); return; } print_flush(currfd); } static int fn() { return 0x80; } static int prdevice_attach(int device) { inuse = 0; if (serial_attach_device(device, (char *) NULL, (char *) "Printer device", (int (*)(void *, BYTE *, int))fn, write_pr, open_pr, close_pr, flush_pr)) { return 1; } return 0; } static int prdevice_detach(int device) { fprintf(stderr,"Printer device #4: Don't know how to detach (yet)\n"); return 0; }
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.