3 If it looks confusing to you, check this tutorial first:
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4 http://notaz.atspace.com/pico_tut/
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6 There are no default settings.
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7 When you start key configuration mode, black screen with dark-red squares will
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8 appear. Also there will be little 'control' on the top with the function
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9 name in it, and arrows on the corners of it. You can tap on these corners to
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10 select a function. You can also tap on these squares to bind that function to
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11 them. This way you can associate touchpad areas with game-controls or functions.
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12 I also made a small square in every corner of the screen to be used as a virtual
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13 button for some function, like save state. You can bind it as you like. To
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14 bind phone buttons, simply select the function you need, and press a button
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15 you want. To unbind any key or touchpad area, simply push or tap it again.
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17 When finished, select 'done' and press any key. You can also press 'Power'
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20 You need to bind 'pause emu' function to be able exit game when ROM is loaded.
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21 It is bound to 'back' button by default.
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25 Here you can set the orientation of screen and the drawing mode. The "fit"
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26 option will scale the image so it better fits in the screen, but some detail
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27 will be lost. "center" displays the game at the center of the screen, but
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28 non-fitting parts are not visible then. "fit2" is simmilar to "fit" but is
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29 a bit more stretched (fit modes are only meaningful in 0 or 180 rotation
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32 "Fast renderer" enables faster rendering method, but it works only with some
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33 games (some other have serious glitches or even hang).
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35 "Accurate timing" is needed for some games to run (like Red Zone). It should
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36 be kept off for all other games, because it slows emulation down. Some games
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37 also need this option for proper sound, so enable this if game has any
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40 "Accurate sprites" fixes sprite priority problems, for example if game
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41 character is in front of or behind some object it should not be, this option
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42 should fix it. This option does not work in "Fast renderer" mode.
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44 "Show FPS" shows game frames per second in format XX/YY, where XX is the
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45 number of frames shown per previous second, and YY is the number of frames
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46 emulated, but not necessarily shown. By calculating YY-XX you get the number
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47 of skipped frames per second.
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51 Sound emulation is very picky on CPU power (in most cases sound alone uses
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52 more CPU power than everything else altogether), but it is still possible to
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53 play some games. When using sound, the recommended display modes are "fit 0"
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54 and "fit 180", because these are the fastest ones. Also try "Alternative
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55 renderer", but it might cause graphical glitches. You must use auto frameskip
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56 when using sound, or else you will get stuttering sound. Also, it is
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57 recommended to exit all other non-vital apps (you can use SMan for this),
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58 disable bluetooth and any other devices your phone may have. I also noticed
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59 that simply connecting the phone battery charger strangely slows everything
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62 "Enable sound" tries to enable sound output on your device, but that alone is
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63 not enough to get sound. You need to enable the sound chips below:
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64 "Z80" is secondary CPU in genesis and is mostly used to control the other 2
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65 sound chips. So if you disable Z80, sound will be lost in most games, with
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66 some exceptions like Sonic1. It is possible to use Z80 for other things,
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67 some games do that and Z80 must be enabled to run them at all.
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69 "YM2612" is a fairly complex Frequency Modulation (FM) sound synthesis chip.
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70 It was the main sound output device in genesis and is horrible CPU hog when
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71 is tried to be emulated in software. Disabling it gives large speed
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72 improvement, but most of the sound is lost.
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74 "SN76496" is programmable sound generator (PSG) chip, used for various sound
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75 effects and music elements.
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77 Note: if you change sound settings AFTER loading a ROM, you may need to reset
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78 game to get sound. This is because most games initialize sound chips on
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79 startup, and this data is lost when sound chips are being enabled/disabled.
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83 "6 button pad" will enable 6 button gamepad emulation and will add additional
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84 X, Y, Z and MODE actions to key configuration.
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85 Note: if you enable this, games may detect that and use different button
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86 configuration, for example A ("high punch") will change to "low punch" in
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87 Mortal Kombat and you will need to bind X for "high punch".
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89 "gzip save states" enables gzip (similar to ordinary zip, but a little
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90 different) compression on your save states to save space. The compression
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91 ratio is 50-90%, so it's worth to enable this.
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93 "Use SRAM saves" option enables emulation of batery-backed save RAM some game
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94 cartridges had. RPG games used it alot, but there were some others too, like
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95 Sonic 3. If this is enabled, <ROMname>.srm files are generated when you exit
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96 the emulator or load another ROM. Format is compatible with other popular
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97 emulators (like Gens and Fusion).
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99 "Region" lets you set the region of emulated genesis machine.
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104 "Auto" option tries to run the game in it's original speed by skipping next
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105 frame if the previous was rendered too slow.
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106 "0" displays every frame, thus game runs very slow, sound skips.
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107 "1" skips every other frame. Use this for a game which is smoother, but a bit
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108 too slow (actually depends on display mode you use).
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109 "2" also makes the game smoother, but it will be too fast in most areas.
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110 "4","8" similar to above, but skips more frames and often becomes choppy.
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notaz.gp2x.de / picodrive.git / blob