machine.c

/*
 * machine.c - Interface to machine-specific implementations.
 *
 * Written by
 *  Andreas Boose <viceteam@t-online.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 <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

#include "alarm.h"
#include "archdep.h"
#include "attach.h"
#include "autostart.h"
#include "clkguard.h"
#include "cmdline.h"
#include "console.h"
#include "diskimage.h"
#include "drive.h"
#include "event.h"
#include "fliplist.h"
#include "fsdevice.h"
#include "gfxoutput.h"
#include "interrupt.h"
#include "kbdbuf.h"
#include "keyboard.h"
#include "lib.h"
#include "log.h"
#include "machine-video.h"
#include "machine.h"
#include "maincpu.h"
#include "mem.h"
#include "monitor.h"
#ifdef HAVE_NETWORK
#include "monitor_network.h"
#endif
#include "network.h"
#include "printer.h"
#include "resources.h"
#include "romset.h"
#include "sound.h"
#include "sysfile.h"
#include "tape.h"
#include "traps.h"
#include "types.h"
#include "uiapi.h"
#include "video.h"
#include "vsync.h"
#include "zfile.h"

#ifdef HAS_JOYSTICK
#include "joy.h"
#endif

static int ignore_jam;
int machine_keymap_index;


unsigned int machine_jam(const char *format, ...)
{
    char *str;
    va_list ap;
    ui_jam_action_t ret;

    if (ignore_jam > 0)
        return JAM_NONE;

    va_start(ap, format);

    str = lib_mvsprintf(format, ap);
    ret = ui_jam_dialog(str);
    lib_free(str);

    switch (ret) {
      case UI_JAM_RESET:
        return JAM_RESET;
      case UI_JAM_HARD_RESET:
        return JAM_HARD_RESET;
      case UI_JAM_MONITOR:
        return JAM_MONITOR;
      default:
        break;
    }

    ignore_jam = 1;
    return JAM_NONE;
}

static void machine_trigger_reset_internal(const unsigned int mode)
{
    ignore_jam = 0;

    switch (mode) {
      case MACHINE_RESET_MODE_HARD:
        vsync_frame_counter = 0;
        mem_powerup();
        machine_specific_powerup();
        /* Fall through.  */
      case MACHINE_RESET_MODE_SOFT:
        maincpu_trigger_reset();
        break;
    }
}

void machine_trigger_reset(const unsigned int mode)
{
    if (event_playback_active())
        return;

    if (network_connected()) {
        network_event_record(EVENT_RESETCPU, (void *)&mode, sizeof(mode));
    } else {
        event_record(EVENT_RESETCPU, (void *)&mode, sizeof(mode));
        machine_trigger_reset_internal(mode);
    }
}

void machine_reset_event_playback(CLOCK offset, void *data)
{
    machine_trigger_reset_internal(((unsigned int*)data)[0]);
}

void machine_reset(void)
{
    log_message(LOG_DEFAULT, "Main CPU: RESET.");

    /* Do machine-specific initialization.  */
    machine_specific_reset();

    autostart_reset();

    mem_initialize_memory();

    event_reset_ack();

    vsync_suspend_speed_eval();
}

static void machine_maincpu_clk_overflow_callback(CLOCK sub, void *data)
{
    alarm_context_time_warp(maincpu_alarm_context, sub, -1);
    interrupt_cpu_status_time_warp(maincpu_int_status, sub, -1);
}

void machine_maincpu_init(void)
{
    maincpu_init();
    maincpu_monitor_interface = lib_malloc(sizeof(monitor_interface_t));
}

void machine_early_init(void)
{
    maincpu_alarm_context = alarm_context_new("MainCPU");

    maincpu_clk_guard = clk_guard_new(&maincpu_clk, CLOCK_MAX
                                      - CLKGUARD_SUB_MIN);

    clk_guard_add_callback(maincpu_clk_guard,
                           machine_maincpu_clk_overflow_callback, NULL);
}

int machine_init(void)
{
    machine_video_init();

    fsdevice_init();
    file_system_init();

    return machine_specific_init();
}

static void machine_maincpu_shutdown(void)
{
    if (maincpu_alarm_context != NULL)
        alarm_context_destroy(maincpu_alarm_context);
    if (maincpu_clk_guard != NULL)
        clk_guard_destroy(maincpu_clk_guard);

    lib_free(maincpu_monitor_interface);
    maincpu_shutdown();
}

void machine_shutdown(void)
{
    file_system_detach_disk_shutdown();

    machine_specific_shutdown();

    autostart_shutdown();

#ifdef HAS_JOYSTICK
    joystick_close();
#endif

    sound_close();

    printer_shutdown();
    gfxoutput_shutdown();

    fliplist_shutdown();
    file_system_shutdown();
    fsdevice_shutdown();

    tape_shutdown();

    traps_shutdown();

    kbdbuf_shutdown();
    keyboard_shutdown();

    monitor_shutdown();

    console_close_all();

    cmdline_shutdown();

    resources_shutdown();

    drive_shutdown();

    machine_maincpu_shutdown();

    video_shutdown();

    ui_shutdown();

    sysfile_shutdown();

    log_close_all();

    event_shutdown();

    network_shutdown();

    autostart_resources_shutdown();
    fsdevice_resources_shutdown();
    disk_image_resources_shutdown();
    machine_resources_shutdown();
    sysfile_resources_shutdown();
    zfile_shutdown();
    ui_resources_shutdown();
    log_resources_shutdown();
    fliplist_resources_shutdown();
    romset_resources_shutdown();
#ifdef HAVE_NETWORK
    monitor_network_resources_shutdown();
#endif
    archdep_shutdown();

    lib_debug_check();
}