Amstrad CSD - Revision history

Cormacj at 22:50, 5 August 2024

2024-08-05T22:50:49Z

2012-08-01T09:36:37Z

‎The CSD System Cartridge

2012-08-01T09:35:42Z

‎The CSD System Cartridge

2012-08-01T09:28:26Z

‎The CSD System Cartridge

2012-08-01T09:22:04Z

‎Technical

2012-08-01T09:21:29Z

‎Technical

2012-08-01T09:20:13Z

‎Technical

2012-08-01T09:19:18Z

‎The CSD System Cartridge

2012-08-01T09:19:00Z

‎Technical

2012-07-25T17:21:19Z

@@ Line 1: / Line 1: @@
 The Amstrad CSD was a machine that was in-store to demonstrate the hardware of the Amstrad plus.
-It had a system cartridge which contained a menu, and could hold a furthur 12 cartridges.
+It had a system cartridge which contained a menu, and could hold a further 12 cartridges.
 It has additional hardware to allow switching of cartridges.

@@ Line 96: / Line 96: @@
 It is believed the others are for a rolling demonstration mode, and a play mode that is limited.
-The only cartridge to have this header is [[Pang]].
+The only cartridge to have this header is [[Pang (cartridge)|Pang]].
 == Pictures ==

@@ Line 96: / Line 96: @@
 It is believed the others are for a rolling demonstration mode, and a play mode that is limited.
-The following cartridges have this header:
+The only cartridge to have this header is [[Pang]].
-* Pang
 == Pictures ==

← Older revision		Revision as of 09:28, 1 August 2012
Line 95:		Line 95:

	It is believed the others are for a rolling demonstration mode, and a play mode that is limited.		It is believed the others are for a rolling demonstration mode, and a play mode that is limited.
		+
		+	The following cartridges have this header:
		+	* Pang

	== Pictures ==		== Pictures ==

@@ Line 10: / Line 10: @@
 Lots of information is not known at this time.
-It uses ports fbe0-fbe3. The exact decoding of these ports is unknown.
+It uses ports fbe0-fbe3. The exact decoding and operation of these ports is unknown.
   fbe0

@@ Line 12: / Line 12: @@
 It uses ports fbe0-fbe3. The exact decoding of these ports is unknown.
-  fbe0 is read only it seems
+  fbe0
   bits 7..4 seem to be related to the dip switches on the CSD
-  bit 7 seems to be fixed to GND/0v.
+  with bit 7 seems to be fixed to GND/0v.
   bit 6,5 is the timer value. It is the time allowed between choosing next cartridge to play.
-  off off = 8			1 1
+ bit 6, bit 5
-  off on = 16			1 0
-  on off = 24			0 1
+  off off = 8s			1 1
-  on on = 32 			0 0
+  off on = 16s			1 0
   bit 4 seems to be timer on/off for time limited play.
-  fbe0 bits 3..0 are defined by the dial
   bit 3 is ignored.

@@ Line 13: / Line 13: @@
   fbe0 is read only it seems
-bits 7..4 seem to be related to the dip switches on the CSD
+ bits 7..4 seem to be related to the dip switches on the CSD
   bit 7 seems to be fixed to GND/0v.
   bit 6,5 is the timer value. It is the time allowed between choosing next cartridge to play.
-bit 6, bit 5
+ bit 6, bit 5
   off off = 8			1 1
@@ Line 22: / Line 22: @@
   on off = 24			0 1
   on on = 32 			0 0
-−
-bit 4 seems to be timer on/off for time limited play.
+ bit 4 seems to be timer on/off for time limited play.
-fbe0 bits 3..0 are defined by the dial
+ fbe0 bits 3..0 are defined by the dial
-bit 3 is ignored.
+ bit 3 is ignored.
-−
 = forever?
 = 8s,
 = 56s
-−
-fbe2 is read only it seems
+ fbe2 is read only it seems
-bits 7..3 are the currently selected cartridge
+ bits 7..3 are the currently selected cartridge
-bits 3..0 ???
+ bits 3..0 ???
-−
+ fbe1 is writeable
-fbe1 is writeable
+ bits 7,6: ???
-bits 7,6: ???
+ bits 5..0: are cartridge number??
 bits 5..0: are cartridge number??
+ fbe3 is writeable:
-fbe3 is writeable:
+ bits 7..4: are cartridge number
-bits 7..4: are cartridge number
+ bits 3..0: ???
 bits 3..0: ???
 == The CSD System Cartridge ==

@@ Line 78: / Line 78: @@
   out (c),c
   jp start2
-−
   start3:
   ld bc,&7f00

@@ Line 52: / Line 52: @@
 Image:csddaughter.jpg
 </gallery>
 Courtesy of Amstrad.cpc.free.fr
 [[Category:Hardware]][[Category:CPC Plus]][[Category:Amstrad Products]][[Category:Cartridges]][[Category:Expansion ROM]]