Emulator IDs - Revision history

FindYWay: Fix markup

2025-10-25T05:00:42Z

Fix markup

2025-10-25T04:44:19Z

CPCEC returns 0xCE like CPCE

2025-01-16T20:55:43Z

‎List of known Emulator-IDs

2025-01-16T14:07:47Z

2025-01-16T14:03:58Z

‎List of known Emulator-IDs

2024-06-26T20:52:16Z

‎List of known Emulator-IDs

2024-05-11T22:25:57Z

2024-05-11T21:33:15Z

2023-11-08T22:12:16Z

2023-07-29T01:53:56Z

‎List of known Emulator-IDs

@@ Line 18: / Line 18: @@
 * #C2: TREX Normal
 * #C3: TREX Turbo
-* #CE: CPCE, CPCEC<ref>[https://github.com/cpcitor/cpcec/blob/e1a8ea4a076de661f03c78058ca8c3adf41bde14/cpcec.c#L2047 source code]</ref>
+* #CE: CPCE, CPCEC([https://github.com/cpcitor/cpcec/blob/e1a8ea4a076de661f03c78058ca8c3adf41bde14/cpcec.c#L2047 source])
 * #FF: Caprice, WinApe, MAME or a real CPC

@@ Line 8: / Line 8: @@
 == List of known Emulator-IDs  ==
-<pre>
-- #78: Amspirit
+* #78: Amspirit
-- #88: VirtualCPC
+* #88: VirtualCPC
-- #99: WinCPC
+* #99: WinCPC
-- #A0: JavaCPC
+* #A0: JavaCPC
-- #AA: PC-CPC
+* #AA: PC-CPC
-- #C0: C-One Normal
+* #C0: C-One Normal
-- #C1: C-One Turbo
+* #C1: C-One Turbo
-- #C2: TREX Normal
+* #C2: TREX Normal
-- #C3: TREX Turbo
+* #C3: TREX Turbo
-- #CE: CPCE
+* #CE: CPCE, CPCEC<ref>[https://github.com/cpcitor/cpcec/blob/e1a8ea4a076de661f03c78058ca8c3adf41bde14/cpcec.c#L2047 source code]</ref>
-- #FF: Caprice, WinApe, MAME or a real CPC
+* #FF: Caprice, WinApe, MAME or a real CPC
-</pre>
 <b>NOTE: It should be noted that the value #FF is just valid on a bare CPC (not plus!) and any extensions connected can change this!</b>

@@ Line 23: / Line 23: @@
 <b>NOTE: It should be noted that the value #FF is just valid on a bare CPC (not plus!) and any extensions connected can change this!</b>
-On a healthy and bare Amstrad CPC, &FF is the value you can usually read on the DATA bus in high impedance state. On a healthy and bare Amstrad Plus, this is usually &78. This property has been used to detect the Plus machines in several productions (and failed on several occasions as this is not a reliable technique) [https://www.grimware.org/doku.php/documentations/devices/io.devices#blind.test Source].
+On a healthy and bare Amstrad CPC, &FF is the value you can usually read on the DATA bus in high impedance state. On a healthy and bare Amstrad Plus, this is usually &78. This property has been used to detect the Plus machines in several productions (and failed on several occasions as this is not a reliable technique). [https://www.grimware.org/doku.php/documentations/devices/io.devices#blind.test Source]
 <b>You should never do anything relying on the value of the DATA bus in High impedance state and expect it to work the same on all machines. It won't!</b>
 [[Category:Emulator]] [[Category:Programming]]

← Older revision		Revision as of 14:07, 16 January 2025
Line 24:		Line 24:

	On a healthy and bare Amstrad CPC, &FF is the value you can usually read on the DATA bus in high impedance state. On a healthy and bare Amstrad Plus, this is usually &78. This property has been used to detect the Plus machines in several productions (and failed on several occasions as this is not a reliable technique) [https://www.grimware.org/doku.php/documentations/devices/io.devices#blind.test Source].		On a healthy and bare Amstrad CPC, &FF is the value you can usually read on the DATA bus in high impedance state. On a healthy and bare Amstrad Plus, this is usually &78. This property has been used to detect the Plus machines in several productions (and failed on several occasions as this is not a reliable technique) [https://www.grimware.org/doku.php/documentations/devices/io.devices#blind.test Source].
		+
		+	<b>You should never do anything relying on the value of the DATA bus in High impedance state and expect it to work the same on all machines. It won't!</b>

	[[Category:Emulator]] [[Category:Programming]]		[[Category:Emulator]] [[Category:Programming]]

@@ Line 22: / Line 22: @@
 </pre>
 <b>NOTE: It should be noted that the value #FF is just valid on a bare CPC (not plus!) and any extensions connected can change this!</b>
 [[Category:Emulator]] [[Category:Programming]]

← Older revision		Revision as of 22:25, 11 May 2024
Line 1:		Line 1:
−	Some CPC emulators use Port &~~amp;~~FEFE to provide a method to identify a specific CPC emulator. CPC programs could use this ID to detect an emulator and change some of their behaviour (e.g. changing graphic ~~effechts~~ which will not work on an emulator or using special emulator-specific features). Reading from this port returns the Emulator-ID or &~~amp;~~FF on the real CPC and on emulators which do not provide this feature.	+	Some CPC emulators use Port &FEFE to provide a method to identify a specific CPC emulator. CPC programs could use this ID to detect an emulator and change some of their behaviour (e.g. changing graphic effects which will not work on an emulator or using special emulator-specific features). Reading from this port returns the Emulator-ID or &FF on the real CPC and on emulators which do not provide this feature.

	== Showing the Emulator-ID ==		== Showing the Emulator-ID ==

← Older revision		Revision as of 21:33, 11 May 2024
Line 1:		Line 1:
	Some CPC emulators use Port &FEFE to provide a method to identify a specific CPC emulator. CPC programs could use this ID to detect an emulator and change some of their behaviour (e.g. changing graphic effechts which will not work on an emulator or using special emulator-specific features). Reading from this port returns the Emulator-ID or &FF on the real CPC and on emulators which do not provide this feature.		Some CPC emulators use Port &FEFE to provide a method to identify a specific CPC emulator. CPC programs could use this ID to detect an emulator and change some of their behaviour (e.g. changing graphic effechts which will not work on an emulator or using special emulator-specific features). Reading from this port returns the Emulator-ID or &FF on the real CPC and on emulators which do not provide this feature.
		+
		+	== Showing the Emulator-ID ==
		+	In Locomotive BASIC, type the following command:
		+	<pre>
		+	PRINT HEX$(INP(&FEFE))
		+	</pre>

	== List of known Emulator-IDs ==		== List of known Emulator-IDs ==