How to increase CPU cycles on DOSBOX?

Discussion in 'PS Vita - Hacking & Homebrew' started by megadrixfire, Dec 19, 2015.

  1. megadrixfire
    OP

    megadrixfire Newbie

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    Dec 16, 2015
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    So i managed to install DOSBOX through VHBL on TN-V and it appears to be working fine.
    However i want to run the game Alone In the dark 1 and is VERY slow on the default settings.

    This is the layout of my dosbox.config

    I tried modifying the cpu cycles but still they dont appear to increase , is there any possible way of increasing the cycles?
    thank you!

    [sdl]
    # fullscreen -- Start dosbox directly in fullscreen.
    # fulldouble -- Use double buffering in fullscreen.
    # fullresolution -- What resolution to use for fullscreen: original or fixed size (e.g. 1024x768).
    # windowresolution -- Scale the window to this size IF the output device supports hardware scaling.
    # output -- What to use for output: surface,overlay,opengl,openglnb,ddraw.
    # autolock -- Mouse will automatically lock, if you click on the screen.
    # sensitiviy -- Mouse sensitivity.
    # waitonerror -- Wait before closing the console if dosbox has an error.
    # priority -- Priority levels for dosbox: lowest,lower,normal,higher,highest,pause (when not focussed).
    # Second entry behind the comma is for when dosbox is not focused/minimized.
    # mapperfile -- File used to load/save the key/event mappings from.
    # usescancodes -- Avoid usage of symkeys, might not work on all operating systems.
    # keyhint -- When set to true, the first button press will display a hint about what
    # key you will get with the second button press.
    # If the key you want isn't there you can cancel by pressing cross.

    fullscreen=true
    fulldouble=false
    fullresolution=original
    windowresolution=original
    output=surface
    autolock=true
    sensitivity=35
    waitonerror=true
    priority=higher,normal
    mapperfile=mapper.txt
    usescancodes=true
    keyhint=false

    [dosbox]
    # language -- Select another language file.
    # memsize -- Amount of memory dosbox has in megabytes.
    # machine -- The type of machine tries to emulate:hercules,cga,tandy,pcjr,vga.
    # captures -- Directory where things like wave,midi,screenshot get captured.

    language=
    machine=vga
    captures=capture
    memsize=20

    [render]
    # frameskip 0 -- How many frames dosbox skips before drawing one.
    # aspect -- Do aspect correction, if your output method doesn't support scaling this can slow things down!.
    # scaler -- Scaler used to enlarge/enhance low resolution modes.
    # Supported are none,normal2x,normal3x,advmame2x,advmame3x,hq2x,hq3x,
    # 2xsai,super2xsai,supereagle,advinterp2x,advinterp3x,
    # tv2x,tv3x,rgb2x,rgb3x,scan2x,scan3x.

    frameskip=1
    aspect=false
    scaler=normal2x

    [cpu]
    # core -- CPU Core used in emulation: normal,simple,dynamic,auto.
    # auto switches from normal to dynamic if appropriate.
    # cycles -- Amount of instructions dosbox tries to emulate each millisecond.
    # Setting this value too high results in sound dropouts and lags.
    # You can also let DOSBox guess the correct value by setting it to max.
    # The default setting (auto) switches to max if appropriate.
    # cycleup -- Amount of cycles to increase/decrease with keycombo.
    # cycledown Setting it lower than 100 will be a percentage.

    core=dynamic
    cycles=sync
    cycleup=2500
    cycledown=400
    autocycle=true
    mincycles=600
    maxcycles=3000

    [mixer]
    # nosound -- Enable silent mode, sound is still emulated though.
    # rate -- Mixer sample rate, setting any devices higher than this will
    # probably lower their sound quality.
    # blocksize -- Mixer block size, larger blocks might help sound stuttering
    # but sound will also be more lagged.
    # prebuffer -- How many milliseconds of data to keep on top of the blocksize.

    nosound=false
    rate=22050
    blocksize=2048
    prebuffer=10

    [midi]
    # mpu401 -- Type of MPU-401 to emulate: none, uart or intelligent.
    # device -- Device that will receive the MIDI data from MPU-401.
    # This can be default,alsa,oss,win32,coreaudio,none.
    # config -- Special configuration options for the device. In Windows put
    # the id of the device you want to use. See README for details.

    mpu401=intelligent
    device=default
    config=

    [sblaster]
    # sbtype -- Type of sblaster to emulate:none,sb1,sb2,sbpro1,sbpro2,sb16.
    # sbbase,irq,dma,hdma -- The IO/IRQ/DMA/High DMA address of the soundblaster.
    # mixer -- Allow the soundblaster mixer to modify the dosbox mixer.
    # oplmode -- Type of OPL emulation: auto,cms,opl2,dualopl2,opl3.
    # On auto the mode is determined by sblaster type.
    # All OPL modes are 'Adlib', except for CMS.
    # oplrate -- Sample rate of OPL music emulation.

    sbtype=sb16
    sbbase=220
    irq=5
    dma=1
    hdma=5
    mixer=true
    oplmode=auto
    oplrate=22050

    [gus]
    # gus -- Enable the Gravis Ultrasound emulation.
    # gusbase,irq1,irq2,dma1,dma2 -- The IO/IRQ/DMA addresses of the
    # Gravis Ultrasound. (Same IRQ's and DMA's are OK.)
    # gusrate -- Sample rate of Ultrasound emulation.
    # ultradir -- Path to Ultrasound directory. In this directory
    # there should be a MIDI directory that contains
    # the patch files for GUS playback. Patch sets used
    # with Timidity should work fine.

    gus=false
    gusrate=22050
    gusbase=240
    irq1=5
    irq2=5
    dma1=3
    dma2=3
    ultradir=C:\ULTRASND

    [speaker]
    # pcspeaker -- Enable PC-Speaker emulation.
    # pcrate -- Sample rate of the PC-Speaker sound generation.
    # tandy -- Enable Tandy Sound System emulation (off,on,auto).
    # For auto Tandysound emulation is present only if machine is set to tandy.
    # tandyrate -- Sample rate of the Tandy 3-Voice generation.
    # disney -- Enable Disney Sound Source emulation.

    pcspeaker=false
    pcrate=22050
    tandy=auto
    tandyrate=22050
    disney=true

    [joystick]
    # joysticktype -- Type of joystick to emulate: auto (default), none,
    # 2axis (supports two joysticks), 4axis,
    # fcs (Thrustmaster), ch (CH Flightstick).
    # none disables joystick emulation.
    # auto chooses emulation depending on real joystick(s).
    # timed -- enable timed intervals for axis. (false is old style behaviour).
    # autofire -- continuously fires as long as you keep the button pressed.
    # swap34 -- swap the 3rd and the 4th axis. can be useful for certain joysticks.
    # buttonwrap -- enable button wrapping at the number of emulated buttons.

    joysticktype=2axis
    timed=false
    autofire=false
    swap34=false
    buttonwrap=true

    [serial]
    # serial1-4 -- set type of device connected to com port.
    # Can be disabled, dummy, modem, nullmodem, directserial.
    # Additional parameters must be in the same line in the form of
    # parameter:value. Parameter for all types is irq.
    # for directserial: realport (required), rxdelay (optional).
    # for modem: listenport (optional).
    # for nullmodem: server, rxdelay, txdelay, telnet, usedtr,
    # transparent, port, inhsocket (all optional).
    # Example: serial1=modem listenport:5000

    serial1=dummy
    serial2=dummy
    serial3=disabled
    serial4=disabled

    [dos]
    # xms -- Enable XMS support.
    # ems -- Enable EMS support.
    # umb -- Enable UMB support.
    # keyboardlayout -- Language code of the keyboard layout (or none).

    xms=true
    ems=true
    umb=true
    keyboardlayout=none

    [ipx]
    # ipx -- Enable ipx over UDP/IP emulation.

    ipx=false

    [autoexec]
    # Lines in this section will be run at startup.

    cycles=11000

    INPUTMAP up up
    INPUTMAP right right
    INPUTMAP down down
    INPUTMAP left left
    INPUTMAP triangle d
    INPUTMAP square lshift
    INPUTMAP cross space
    INPUTMAP circle lalt
    INPUTMAP start enter
    INPUTMAP select esc

    mount c ms0:/PSP/VHBL/dosbox/AITD
    c:
    INPUTMAP exec crack
     
    Last edited by megadrixfire, Dec 19, 2015
  2. Santaros

    Santaros GBAtemp Regular

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    Oct 5, 2013
    You could try hitting select in the PSP xmb menu and change the CPU clock for game to 333/166. By default PSP games run @222mhz, I would assume Dosbox already does but maybe not. Is there anything in the options that allows you to change the cpu speed [for PSP], it may be set lower by default to save battery. Other than that increasing the frameskip is probably about all you could do.
     
    Last edited by Santaros, Dec 19, 2015
    megadrixfire likes this.
  3. megadrixfire
    OP

    megadrixfire Newbie

    Newcomer
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    Dec 16, 2015
    United States
    Tried that and played with many more settings and gave up :( it looks like sadly we will have to wait for a native psvita hack inorder to have better speed for emulation, thank you anyway!
     
  4. Santaros

    Santaros GBAtemp Regular

    Member
    197
    66
    Oct 5, 2013