Difference between revisions of "Spectre Comms Serial Interface"

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* [[Media:CageCommsRom11.zip]] - Cage Comms ROM-image (v1.1, Dec 1987)
 
* [[Media:CageCommsRom11.zip]] - Cage Comms ROM-image (v1.1, Dec 1987)
  
  [[Category:Peripherals]] [[Category:Serial_interfaces]]
+
  [[Category:Peripherals]] [[Category:Serial_interfaces]][[Category:Expansion ROM]]

Revision as of 01:48, 14 March 2012

Rare serial interface for the Amstrad CPC, manufactured by Spectre Communications Ltd.

The Spectre Comms Pack was also advertised for the ZX Spectrum, typically together with a QMOD modem.

The CPC version uses Cage Comms software in ROM. For whatever reason, the manual refers to Propak by Telemap. The Cage/Propak software is written by David Gorski and Ian Hoare.

Technical

I/O Ports are compatible with the Amstrad Serial Interface:

 FADCh Amstrad RS323 Z8470 (Z80 DART) Channel A Data             (R/W)
 FADDh Amstrad RS323 Z8470 (Z80 DART) Channel A Control/Status   (R/W)
 FADEh Amstrad RS323 Z8470 (Z80 DART) Channel B Data             (R/W)
 FADFh Amstrad RS323 Z8470 (Z80 DART) Channel B Control/Status   (R/W)
 FBDCh Amstrad RS323 8253 Baudrate Timer 0 Channel A TX Clock    (R/W)
 FBDDh Amstrad RS323 8253 Baudrate Timer 1 Channel A RX Clock    (R/W)
 FBDEh Amstrad RS323 8253 Baudrate Timer 2 Channel B RX/TX Clock (R/W)
 FBDFh Amstrad RS323 8253 Baudrate Timer 0-2 Control Registers   (W)

Pictures

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