== Technical ==
The hardware simply conists consists of an external cassette input:
Port F0E0h - Draysoft Doubler External Tape Data Input (Bit5) (Read Only)
* [[Media:Doubler Eagle.zip|Doubler (Eagle).zip]] (Doubler files for Eagle)
== Links Weblinks ==
* [http://www.cpc-power.com/index.php?page=detail&num=6370 ''Doubler'' from CPC-Power]
* [http://cpcrulez.fr/hardware-interface_debug-draysoft_doubler_speedcop.htm ''Doubler'' from CPCrulez]
[[Category:Peripherals]] [[Category:Manual]]