コード例 #1
0
ファイル: emu.c プロジェクト: gillotte/gxgeo
void main_loop(void)
{
    int neo_emu_done = 0;
    int m68k_overclk=CF_VAL(cf_get_item_by_name("68kclock"));
    int z80_overclk=CF_VAL(cf_get_item_by_name("z80clock"));
    int nb_frames=0;

    Uint32 cpu_68k_timeslice = (m68k_overclk==0?200000:200000+(m68k_overclk*200000/100.0));
    Uint32 cpu_68k_timeslice_scanline = cpu_68k_timeslice/262.0;
    Uint32 cpu_z80_timeslice = (z80_overclk==0?73333:73333+(z80_overclk*73333/100.0));
    Uint32 tm_cycle=0;

    Uint32 cpu_z80_timeslice_interlace = cpu_z80_timeslice / (float) nb_interlace;
    char ksym_code[5];
    Uint16 scancode, i, a;
    char input_buf[20];
    Uint8 show_keysym=0;
    int invert_joy=CF_BOOL(cf_get_item_by_name("invertjoy"));
    int x, y;
    for (x = 0; x < 2; x++) {
        for (y = 0; y < BUTTON_MAX; y++) {
            joy_button[x][y] = 0;
        }
    }

    reset_frame_skip();
    my_timer();
    /*
      printf("\tCpuspeed: %d\n",cpu_68k_timeslice);
      printf("\t%s\n",&memory.cpu[0x100]);
      printf("\tNGH = %04x\n",READ_WORD(&memory.cpu[0x108]));
      printf("\tSSN = %04x\n",READ_WORD(&memory.cpu[0x114]));
    */
    int loop_count = 0;
    while (!neo_emu_done) {
        if (conf.test_switch == 1) conf.test_switch = 0;

        neo_emu_done = read_input(joy_button, 0);

        // update the internal representation of keyslot
        update_p1_key();
        update_p2_key();
        update_start();
        update_coin();

        if (slow_motion) usleep(100);
        if (conf.sound) {
            /* run z80 */
            for (i = 0; i < nb_interlace; i++) {
                cpu_z80_run(cpu_z80_timeslice_interlace);
                my_timer();
            }
        }
        if (!conf.debug) {
            /* run m68k */
            if (conf.raster) {
                for (i = 0; i < 261; i++) {
                    tm_cycle=cpu_68k_run(cpu_68k_timeslice_scanline-tm_cycle);
                    if (update_scanline()) {
                        cpu_68k_interrupt(2);
                    }
                }
                tm_cycle=cpu_68k_run(cpu_68k_timeslice_scanline-tm_cycle);
                state_handling(pending_save_state,pending_load_state);

                update_screen();
                cpu_68k_interrupt(1);
            } else {
                tm_cycle=cpu_68k_run(cpu_68k_timeslice-tm_cycle);
                a = neo_interrupt();

                /* state handling (we save/load before interrupt) */
                state_handling(pending_save_state,pending_load_state);
                if (a) cpu_68k_interrupt(a);
            }
            ogc_update_stream();
        } else {
            /* we are in debug mode -> we are just here for event handling */
            neo_emu_done=1;
        }
    }
    ogc_close_audio();
}
コード例 #2
0
ファイル: emu.c プロジェクト: tredpath/GnGeo-pb
void main_loop(void)
{
    int neo_emu_done = 0;
    int overclk=CF_VAL(cf_get_item_by_name("overclock"));

    Uint32 cpu_68k_timeslice = (overclk==0?200000:200000+(overclk*200000/100.0));
    Uint32 cpu_68k_timeslice_scanline = cpu_68k_timeslice/262.0;
//    Uint32 cpu_z80_timeslice = 100000;
    Uint32 cpu_z80_timeslice = 73333;
    Uint32 tm_cycle=0;

    /*    Uint32 cpu_z80_timeslice=66666; // is it 4Mhz or 6Mhz ???? 4 seems to work fine....
       UPDATE: it's clear now that it's 6Mhz -> kof96 presentation */

    Uint32 cpu_z80_timeslice_interlace = cpu_z80_timeslice / (float) nb_interlace;
    char ksym_code[5];
    SDL_Event event;
    Uint16 scancode, i, a;
    char input_buf[20];
    Uint8 show_keysym=0;
    CONF_ITEM* item = cf_get_item_by_name("invertjoy");
    int invert_joy = 0;
    if (item)
    	invert_joy=CF_BOOL(item);

    reset_frame_skip();
    my_timer();
    //printf("Cpuspeed: %d\n",cpu_68k_timeslice);
/*
    printf("%s\n",&memory.cpu[0x100]);
    printf("NGH = %04x\n",READ_WORD(&memory.cpu[0x108]));
    printf("SSN = %04x\n",READ_WORD(&memory.cpu[0x114]));
*/

    while (!neo_emu_done) {
	if (conf.test_switch == 1)
	    conf.test_switch = 0;


	while (SDL_PollEvent(&event)) {
	    switch (event.type) {
	    case SDL_JOYAXISMOTION:
		joy_axe[event.jaxis.which][event.jaxis.axis] = event.jaxis.value;
		if (show_keysym) {
		    sprintf(ksym_code, "%d", event.jaxis.axis);
		    draw_message(ksym_code);
		}
		break;

	    case SDL_JOYHATMOTION:
		    switch (event.jhat.value) {
		    case SDL_HAT_CENTERED:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 0;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 0;
			    break;
			    
		    case SDL_HAT_UP:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = -32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 0;
			    break;
			    
		    case SDL_HAT_DOWN:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 0;
			    break;
			    
		    case SDL_HAT_LEFT:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = -32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 0;
			    break;
			    
		    case SDL_HAT_RIGHT:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 0;
			    break;
			    
		    case SDL_HAT_RIGHTUP:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = -32767;
			    break;
			    
		    case SDL_HAT_RIGHTDOWN:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = 32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 32767;
			    break;
			    
		    case SDL_HAT_LEFTUP:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = -32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = -32767;
			    break;
			    
		    case SDL_HAT_LEFTDOWN:
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which]] = -32767;
			    joy_axe[event.jhat.which][(event.jhat.hat * 2) + joy_numaxes[event.jhat.which] + 1] = 32767;
			    break;
			    
		    }
		    
		    if (show_keysym) {
			    sprintf(ksym_code, "%d", event.jhat.hat);
			    draw_message(ksym_code);
		    }
		    break;


	    case SDL_JOYBUTTONDOWN:
		joy_button[event.jbutton.which][event.jbutton.button] = 1;
		
		if (show_keysym) {
		    sprintf(ksym_code, "%d", event.jbutton.button);
		    draw_message(ksym_code);
		}
		break;
	    case SDL_JOYBUTTONUP:
		joy_button[event.jbutton.which][event.jbutton.button] = 0;
		break;

	    case SDL_KEYUP:
		if (player)
		{
			switch(event.key.keysym.sym)
			{
			case 273:
				key[264] = 0;
				break;
			case 275:
				key[274] = 0;
				break;
			case 274:
				key[261] = 0;
				break;
			case 276:
				key[260] = 0;
				break;
			case 122:
				key[108] = 0;
				break;
			case 120:
				key[59] = 0;
				break;
			case 97:
				key[111] = 0;
				break;
			case 115:
				key[112] = 0;
				break;
			case 49:
				key[50] = 0;
				break;
			case 51:
				key[52] = 0;
				break;
			default:
				key[event.key.keysym.sym] = 0;
				break;
			}
		}
		else
			key[event.key.keysym.sym] = 0;
		break;
	    case SDL_KEYDOWN:
		scancode = event.key.keysym.sym;
		if (show_keysym) {
		    sprintf(ksym_code, "%d", scancode);
		    draw_message(ksym_code);
		}
		if (player)
		{
			switch(scancode)
			{
			case 273:
				key[264] = 1;
				break;
			case 275:
				key[274] = 1;
				break;
			case 274:
				key[261] = 1;
				break;
			case 276:
				key[260] = 1;
				break;
			case 122:
				key[108] = 1;
				break;
			case 120:
				key[59] = 1;
				break;
			case 97:
				key[111] = 1;
				break;
			case 115:
				key[112] = 1;
				break;
			case 49:
				key[50] = 1;
				break;
			case 51:
				key[52] = 1;
				break;
			default:
				key[scancode] = 1;
				break;
			}
		}
		else
			key[scancode] = 1;

		switch (scancode) {
		case SDLK_ESCAPE:
		    neo_emu_done = 1;
#ifdef __QNXNTO__
		    shutdown = 1;
#endif
		    break;	// ESC
/*
		case SDLK_TAB:
		    main_gngeo_gui();
		    break;
*/
		case SDLK_F1:
		    draw_message("Reset");
		    //neogeo_init();
		    cpu_68k_reset();
		    break;
		case SDLK_F2:
		    take_screenshot();
		    draw_message("Screenshot saved");
		    break;
		case SDLK_F3:
		    draw_message("Test Switch ON");
		    conf.test_switch = 1;
		    break;
		case SDLK_F5:
		    show_fps ^= SDL_TRUE;
		    break;
		case SDLK_F4:
		    show_keysym = 1 - show_keysym;
		    if (show_keysym)
			draw_message("Show keysym code : ON");
		    else
			draw_message("Show keysym code : OFF");
		    break;
		case SDLK_F6:
		    slow_motion = 1 - slow_motion;
		    if (slow_motion)
			draw_message("SlowMotion : ON");
		    else {
			draw_message("SlowMotion : OFF");
			reset_frame_skip();
		    }
		    break;
		case SDLK_F7:
		    //screen_set_effect("scanline");
		    if (conf.debug) {
			dbg_step = 1;
		    }
		    break;
		case SDLK_F8: 
		{
		    int val;
		    char *endptr;
		    text_input("Save to slot [0-999]? ",16,227,input_buf,3);
		    val=strtol(input_buf,&endptr,10);
		    if (input_buf != endptr) {
			pending_save_state=val+1;
		    }
		}
		break;
		case SDLK_F9:
		{
		    int val;
		    char *endptr;
		    text_input("Load from slot [0-999]? ",16,227,input_buf,3);
		    val=strtol(input_buf,&endptr,10);
		    if (input_buf != endptr) {
			pending_load_state=val+1;
		    }
		}
		break; 
		case SDLK_F10:
		    autoframeskip ^= SDL_TRUE;
		    if (autoframeskip) {
			reset_frame_skip();
			draw_message("AutoFrameSkip : ON");
		    } else
			draw_message("AutoFrameSkip : OFF");
		    break;
		case SDLK_F11:
		    sleep_idle ^= SDL_TRUE;
		    if (sleep_idle)
			draw_message("Sleep idle : ON");
		    else
			draw_message("Sleep idle : OFF");
		    break;
		case SDLK_F12:
		    screen_fullscreen();
		    break;
#ifdef __QNXNTO__
		case SDLK_F13:
			neo_emu_done = 1;
			break;
		case SDLK_F14:
			if (player)
			{
				key[52] = 0;
				key[50] = 0;
				key[112] = 0;
				key[111] = 0;
				key[59] = 0;
				key[108] = 0;
				key[260] = 0;
				key[261] = 0;
				key[274] = 0;
				key[264] = 0;
			}
			player = !player;
			break;
#endif
		}
		break;
	    case SDL_VIDEORESIZE:
		conf.res_x=event.resize.w;
		conf.res_y=event.resize.h;
		screen_resize(event.resize.w, event.resize.h);
		break;
		case SDL_ACTIVEEVENT:
			if (event.active.state & SDL_APPINPUTFOCUS)
			{
				if (!event.active.gain)
				{
					int J;
					SDL_PauseAudio(1);
					while (1)
					{
						usleep(10000);
						if (SDL_PollEvent(&event))
						{
							if (event.type == SDL_ACTIVEEVENT)
							{
								if (event.active.state & SDL_APPINPUTFOCUS)
								{
									if (event.active.gain)
										break;
								}
							}
							else if (event.type == SDL_QUIT)
							{
								neo_emu_done = 1;
								break;
							}
						}
					}
					SDL_PauseAudio(0);
				    reset_frame_skip();
				}
			}
			break;
		case SDL_USEREVENT:
			reset_frame_skip();
			break;
	    case SDL_QUIT:
		neo_emu_done = 1;
#ifdef __QNXNTO__
		shutdown = 1;
#endif
		break;
	    default:
		break;
	    }
	}

	/* update the internal representation of keyslot */
	update_p1_key();
	update_p2_key();
	update_start();
	update_coin();

	if (slow_motion)
	    SDL_Delay(100);

	if (conf.sound) {
	    PROFILER_START(PROF_Z80);
	    for (i = 0; i < nb_interlace; i++) {
		cpu_z80_run(cpu_z80_timeslice_interlace);
		my_timer();
	    }
	    PROFILER_STOP(PROF_Z80);
	} /*
	    else
	    my_timer();*/

	if (!conf.debug) {
	    if (conf.raster) {
		for (i = 0; i < 261; i++) {
		    tm_cycle=cpu_68k_run(cpu_68k_timeslice_scanline-tm_cycle);
		    if (update_scanline())
			cpu_68k_interrupt(2);
		}
		tm_cycle=cpu_68k_run(cpu_68k_timeslice_scanline-tm_cycle);
		state_handling(pending_save_state,pending_load_state);
		
		update_screen();
		cpu_68k_interrupt(1);
	    } else {
		PROFILER_START(PROF_68K);
		tm_cycle=cpu_68k_run(cpu_68k_timeslice-tm_cycle);
		PROFILER_STOP(PROF_68K);
		a = neo_interrupt();
		
		/* state handling (we save/load before interrupt) */
		state_handling(pending_save_state,pending_load_state);
		
		if (a) {
		    cpu_68k_interrupt(a);
		}
	    }
	} else {
	    /* we arre in debug mode -> we are just here for event handling */
	    neo_emu_done=1;
	}
#ifdef ENABLE_PROFILER
	profiler_show_stat();
#endif
	PROFILER_START(PROF_ALL);
    }
}