/* * iec-ieee488-shared.c - Common resources/options for IEC and IEEE-488 * * Written by * Olaf 'Rhialto' Seibert * * 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. * */ /* * This file defines resources and command line options that are shared * between IEC and IEEE-488 buses. * * On machines where both are present at the same time (such as C64 or * VIC-20 with IEEE-488 cartridge), these are used for both at the same * time. * * When there is only one bus, we use the same unified name for the * resourcs and options. * * To avoid that this file refers to (and makes the linker include) a * bus type that is not used on a particular emulator, the callbacks are * not referenced directly, but are provided as function pointers. * A fancy name for this is "dependency injection". * * The possible concrete callbacks can be: * - set_iec_device_enable() in serial/serial-iec-device.c * - set_ieee_device_enable() in parallel/parallel.c */ #include "vice.h" #include "cmdline.h" #include "iec-ieee488-shared.h" #include "iecbus.h" #ifdef DEBUG_IECEE #define DBG(x) log_printf x #else #define DBG(x) #endif #define MAX_CALLBACKS 2 static resource_set_func_int_t *callbacks[MAX_CALLBACKS]; int iec_ieee_device_enabled[IECBUS_NUM]; static int indirect_callback(int enable, void *param) { int i; int ret = 0; unsigned int unit; unit = vice_ptr_to_uint(param); DBG(("indirect_callback: enable: %d, unit: %u", enable, unit)); if ((unit < 4 || unit >= IECBUS_NUM)) { return -1; } iec_ieee_device_enabled[unit] = enable ? 1 : 0; for (i = 0; i < MAX_CALLBACKS; i++) { if (callbacks[i] != NULL) { ret |= (*callbacks[i])(enable, param); } } return ret; } static const resource_int_t resources_int[] = { { "BusDevice4", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[4], indirect_callback, (void *)4 }, { "BusDevice5", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[5], indirect_callback, (void *)5 }, { "BusDevice6", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[6], indirect_callback, (void *)6 }, { "BusDevice7", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[7], indirect_callback, (void *)7 }, { "BusDevice8", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[8], indirect_callback, (void *)8 }, { "BusDevice9", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[9], indirect_callback, (void *)9 }, { "BusDevice10", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[10], indirect_callback, (void *)10 }, { "BusDevice11", 0, RES_EVENT_SAME, NULL, &iec_ieee_device_enabled[11], indirect_callback, (void *)11 }, RESOURCE_INT_LIST_END }; int iec_ieee_device_resources_init(resource_set_func_int_t *callback) { int i; DBG(("iec_ieee_device_resources_init")); for (i = 0; i < MAX_CALLBACKS; i++) { if (callbacks[i] == NULL) { callbacks[i] = callback; break; } if (callbacks[i] == callback) { break; } } if (!resources_exists(resources_int[0].name)) { return resources_register_int(resources_int); } return 0; } static const cmdline_option_t cmdline_options[] = { { "-busdevice4", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice4", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #4" }, { "+busdevice4", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice4", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #4" }, { "-busdevice5", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice5", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #5" }, { "+busdevice5", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice5", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #5" }, { "-busdevice6", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice6", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #6" }, { "+busdevice6", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice6", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #6" }, { "-busdevice7", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice7", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #7" }, { "+busdevice7", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice7", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #7" }, { "-busdevice8", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice8", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #8" }, { "+busdevice8", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice8", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #8" }, { "-busdevice9", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice9", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #9" }, { "+busdevice9", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice9", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #9" }, { "-busdevice10", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice10", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #10" }, { "+busdevice10", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice10", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #10" }, { "-busdevice11", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice11", (resource_value_t)1, NULL, "Enable IEC/IEEE-488 device emulation for device #11" }, { "+busdevice11", SET_RESOURCE, CMDLINE_ATTRIB_NONE, NULL, NULL, "BusDevice11", (resource_value_t)0, NULL, "Disable IEC/IEEE-488 device emulation for device #11" }, CMDLINE_LIST_END }; int iec_ieee_device_cmdline_options_init(void) { DBG(("iec_ieee_device_cmdline_options_init")); if (!cmdline_option_exists(cmdline_options[0].name)) { return cmdline_register_options(cmdline_options); } return 0; }