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ClownMDEmu

Background

A highly-portable Sega Mega Drive emulator that aims to be as fast as possible without sacrificing accuracy.

The ClownMDEmu core has been authored by:

  • Clownacy

The ClownMDEmu core is licensed under:

A summary of the licenses behind RetroArch and its cores can be found here.

Extensions

Content that can be loaded by the ClownMDEmu core have the following file extensions:

  • .bin
  • .md
  • .gen
  • .cue
  • .iso

RetroArch database(s) that are associated with the ClownMDEmu core:

Features

Frontend-level settings or features that the ClownMDEmu core respects:

Feature Supported
Restart ✔
Saves ✔
States ✔
Rewind ✔
Netplay ✔
Core Options ✔
RetroAchievements ✕
RetroArch Cheats ✕
Native Cheats ✕
Controls ✔
Remapping ✔
Multi-Mouse ✕
Rumble ✕
Sensors ✕
Camera ✕
Location ✕
Subsystem ✕
Softpatching ✔
Disk Control ✕
Username ✕
Language ✕
Crop Overscan ✕
LEDs ✕

Directories

The ClownMDEmu core's library name is 'ClownMDEmu'.

The ClownMDEmu core saves/loads to/from these directories.

Frontend's Save directory

File Description
*.srm Mega Drive/Genesis save data
*.brm Mega CD/Sega CD save data

Frontend's State directory

File Description
*.state# State

Geometry and timing

  • The ClownMDEmu core's core-provided FPS is 59.94 for NTSC games and 50 for PAL games
  • The ClownMDEmu core's core-provided sample rate is 223721.5625 Hz
  • The ClownMDEmu core's base width is 320 (though this varies depending on the loaded content)
  • The ClownMDEmu core's base height is 224 (though this varies depending on the loaded content)
  • The ClownMDEmu core's max width is 320
  • The ClownMDEmu core's max height is 480
  • The ClownMDEmu core's core-provided aspect ratio is typically 10:7 (though this varies depending on the loaded content)

Core options

The ClownMDEmu core has the following option(s) that can be tweaked from the core options menu. The default setting is bolded.

  • Debug > Disable Sprite Plane [clownmdemu_disable_sprite_plane] (disabled|enabled)

    Disable the VDP's Sprite Plane.

  • Debug > Disable Window Plane [clownmdemu_disable_window_plane] (disabled|enabled)

    Disable the VDP's Window Plane.

  • Debug > Disable Plane A [clownmdemu_disable_plane_a] (disabled|enabled)

    Disable the VDP's Plane A.

  • Debug > Disable Plane B [clownmdemu_disable_plane_b] (disabled|enabled)

    Disable the VDP's Plane B.

  • Debug > Disable FM1 [clownmdemu_disable_fm1] (disabled|enabled)

    Disable the YM2612's FM1 channel.

  • Debug > Disable FM2 [clownmdemu_disable_fm2] (disabled|enabled)

    Disable the YM2612's FM2 channel.

  • Debug > Disable FM3 [clownmdemu_disable_fm3] (disabled|enabled)

    Disable the YM2612's FM3 channel.

  • Debug > Disable FM4 [clownmdemu_disable_fm4] (disabled|enabled)

    Disable the YM2612's FM4 channel.

  • Debug > Disable FM5 [clownmdemu_disable_fm5] (disabled|enabled)

    Disable the YM2612's FM5 channel.

  • Debug > Disable FM6 [clownmdemu_disable_fm6] (disabled|enabled)

    Disable the YM2612's FM6 channel.

  • Debug > Disable DAC [clownmdemu_disable_dac] (disabled|enabled)

    Disable the YM2612's DAC channel.

  • Debug > Disable PSG1 [clownmdemu_disable_psg1] (disabled|enabled)

    Disable the SN76496's PSG1 channel.

  • Debug > Disable PSG2 [clownmdemu_disable_psg2] (disabled|enabled)

    Disable the SN76496's PSG2 channel.

  • Debug > Disable PSG3 [clownmdemu_disable_psg3] (disabled|enabled)

    Disable the SN76496's PSG3 channel.

  • Debug > Disable PSG Noise [clownmdemu_disable_psg_noise] (disabled|enabled)

    Disable the SN76496's PSG Noise channel.

  • Debug > Disable PCM1 [clownmdemu_disable_pcm1] (disabled|enabled)

    Disable the RF5C164's PCM1 channel.

  • Debug > Disable PCM2 [clownmdemu_disable_pcm2] (disabled|enabled)

    Disable the RF5C164's PCM2 channel.

  • Debug > Disable PCM3 [clownmdemu_disable_pcm3] (disabled|enabled)

    Disable the RF5C164's PCM3 channel.

  • Debug > Disable PCM4 [clownmdemu_disable_pcm4] (disabled|enabled)

    Disable the RF5C164's PCM4 channel.

  • Debug > Disable PCM5 [clownmdemu_disable_pcm5] (disabled|enabled)

    Disable the RF5C164's PCM5 channel.

  • Debug > Disable PCM6 [clownmdemu_disable_pcm6] (disabled|enabled)

    Disable the RF5C164's PCM6 channel.

  • Debug > Disable PCM7 [clownmdemu_disable_pcm7] (disabled|enabled)

    Disable the RF5C164's PCM7 channel.

  • Debug > Disable PCM8 [clownmdemu_disable_pcm8] (disabled|enabled)

    Disable the RF5C164's PCM8 channel.

  • TV Standard [clownmdemu_tv_standard] (NTSC (59.94Hz)|PAL (50Hz))

    Which television standard to output in.

  • Console Region [clownmdemu_overseas_region] (Overseas (Elsewhere)|Domestic (Japan))

    Which region the console is.

  • Tall Interlace Mode 2 [clownmdemu_tall_interlace_mode_2] (disabled|enabled)

    Makes games that use Interlace Mode 2 for split-screen not appear squashed.

  • Low-Pass Filter [clownmdemu_lowpass_filter] (enabled|disabled)

    Makes the audio sound 'softer', just like on a real Mega Drive.

  • Low-Volume Distortion [clownmdemu_ladder_effect] (enabled|disabled)

    Approximates the so-called 'ladder effect' that is present in early Mega Drives. Without this, certain sounds in some games will be too quiet.

Joypad

RetroPad Inputs User 1 - 2 input descriptors
B
A
Mode
Start
Up
Down
Left
Right
C
Y
X
Z

Sega Mega Drive/Genesis cores