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Update ClownMDEmu documentation. #1119

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fpscan merged 1 commit into from
Feb 7, 2026
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Update ClownMDEmu documentation. #1119

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21 changes: 13 additions & 8 deletions docs/library/clownmdemu.md
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Expand Up @@ -23,6 +23,7 @@ Content that can be loaded by the ClownMDEmu core have the following file extens
- .gen
- .cue
- .iso
- .chd

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

Expand Down Expand Up @@ -184,29 +185,33 @@ The ClownMDEmu core has the following option(s) that can be tweaked from the cor

Disable the RF5C164's PCM8 channel.

- **TV Standard** [clownmdemu_tv_standard] (**NTSC (59.94Hz)**|PAL (50Hz))
- **Console > TV Standard** [clownmdemu_tv_standard] (**ntsc**|pal)

Which television standard to output in.

- **Console Region** [clownmdemu_overseas_region] (**Overseas (Elsewhere)**|Domestic (Japan))
- **Console > Region** [clownmdemu_overseas_region] (**elsewhere**|japan)

Which region the console is.

- **Tall Interlace Mode 2** [clownmdemu_tall_interlace_mode_2] (**disabled**|enabled)
- **Console > CD Add-on** [clownmdemu_cd_addon] (**disabled**|enabled)

Allow cartridge-only software to utilise features of the emulated Mega CD add-on, such as CD music. This may break some software.

- **Video > Tall Interlace Mode 2** [clownmdemu_tall_interlace_mode_2] (**disabled**|enabled)

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

- **Widescreen Hack** [clownmdemu_widescreen] (**disabled**|enabled)
- **Video > Widescreen Hack** [clownmdemu_widescreen_tiles] (**0**|1|2|3|4|5|6|7|8|9|10|11|12)

Widens the display. Works well with some games, badly with others.

- **Low-Pass Filter** [clownmdemu_lowpass_filter] (**enabled**|disabled)
- **Audio > Low-Pass Filter** [clownmdemu_lowpass_filter] (**enabled**|disabled)

Makes the audio sound 'softer', just like on a real Mega Drive.
Lowers the volume of high frequencies to make the audio 'softer', like a real Mega Drive does. Without this, treble will become louder due to differences in volume balancing.

- **Low-Volume Distortion** [clownmdemu_ladder_effect] (**enabled**|disabled)
- **Audio > 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.
Enables the so-called 'ladder effect' that is present in early Mega Drives. Without this, some quiet sounds will become inaudible.

## Joypad

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