Amstrad - CPC (CrocoDS)¶

Background¶

Based on Win-CPC. CrocoDS was originally an Amstrad CPC emulator created for the Nintendo DS and was ported to libretro some time after.

Author/License¶

The CrocoDS core has been authored by

RedBug

The CrocoDS core is licensed under

MIT

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

Extensions¶

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

.dsk
.sna
.kcr

Databases¶

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

Amstrad - CPC

Features¶

Frontend-level settings or features that the CrocoDS core respects.

Feature	Supported
Restart	✔
Screenshots	✔
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 CrocoDS core's internal core name is 'crocods'

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

Frontend's State directory

'content-name'.state# (State)

Geometry and timing¶

The CrocoDS core's core provided FPS is 50
The CrocoDS core's core provided sample rate is 44100 Hz
The CrocoDS core's core provided aspect ratio is 1

Core options¶

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

Settings with (Restart) means that core has to be closed for the new setting to be applied on next launch.

Color Monitor [crocods_greenmonitor] (color|green)

Self-explanatory.

Color Monitor - color

Color Monitor - green

Resize [crocods_resize] (Auto|320x200|Overscan)

Self-explanatory.

Resize - 320x200

Resize - Overscan

Speed hack [crocods_hack] (no|yes)

Awaiting description.

Controllers¶

The CrocoDS core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):

User 1 - 2 device types¶

None - Doesn't disable input. There's no reason to switch to this.
RetroPad - Joypad
RetroKeyboard - Joypad - Keyboard inputs are always active. Has keymapper support.

Controller tables¶

Joypad¶

User 1 Remap descriptors	RetroPad Inputs	CrocoDS core inputs
		JOY_FIRE2
		NIL
Pause		SPARE
Start		RETURN
Up		JOY_UP
Down		JOY_DOWN
Left		JOY_LEFT
Right		JOY_RIGHT
		JOY_FIRE1
		NIL
		NIL
		NIL

User 2 Remap descriptors	RetroPad Inputs	CrocoDS core inputs
		SPARE
		NIL
		SPARE
		RETURN
		CURSOR_UP
		CURSOR_DOWN
		CURSOR_LEFT
		CURSOR_RIGHT
		SPARE
		NIL
		NIL
		NIL

Keyboard¶

RetroKeyboard Inputs	CrocoDS core Inputs
Keyboard Backspace	DEL
Keyboard Tab	TAB
Keyboard Return	RETURN
Keyboard Escape	ESC
Keyboard Space	SPARE
Keyboard Comma ,	COMMA
Keyboard Minus -	MINUS
Keyboard Period .	DOT
Keyboard 0	0
Keyboard 1	1
Keyboard 2	2
Keyboard 3	3
Keyboard 4	4
Keyboard 5	5
Keyboard 6	6
Keyboard 7	7
Keyboard 8	8
Keyboard 9	9
Keyboard Semicolon ;	COLON
Keyboard Equals =	HAT
Keyboard Left Bracket [	AT
Keyboard Right Bracket ]	OPEN_SQUARE_BRACKET
Keyboard a	A
Keyboard b	B
Keyboard c	C
Keyboard d	D
Keyboard e	E
Keyboard f	F
Keyboard g	G
Keyboard h	H
Keyboard i	I
Keyboard j	J
Keyboard k	K
Keyboard l	L
Keyboard m	M
Keyboard n	N
Keyboard o	O
Keyboard p	P
Keyboard q	Q
Keyboard r	R
Keyboard s	S
Keyboard t	T
Keyboard u	U
Keyboard v	V
Keyboard w	W
Keyboard x	X
Keyboard y	Y
Keyboard z	Z
Keyboard Delete	JOY_LEFT
Keyboard Keypad 0	F0
Keyboard Keypad 1	F1
Keyboard Keypad 2	F2
Keyboard Keypad 3	F3
Keyboard Keypad 4	F4
Keyboard Keypad 5	F5
Keyboard Keypad 6	F6
Keyboard Keypad 7	F7
Keyboard Keypad 8	F8
Keyboard Keypad 9	F9
Keyboard Keypad Period .	FDOT
Keyboard Keypad Enter	SMALL_ENTER
Keyboard Up	CURSOR_UP
Keyboard Down	CURSOR_DOWN
Keyboard Right	CURSOR_RIGHT
Keyboard Left	CURSOR_LEFT
Keyboard Insert	JOY_FIRE1
Keyboard Home	JOY_UP
Keyboard End	JOY_DOWN
Keyboard Page Up	JOY_FIRE2
Keyboard Page Down	JOY_RIGHT
Keyboard Caps Lock	CAPS_LOCK
Keyboard Right Shift	SHIFT
Keyboard Left Shift	SHIFT
Keyboard Right Control	CONTROL
Keyboard Left Control	CONTROL