... returning to 80's computing
#63b Z80 CPU, serial and clock
August 28th, 2019
The 63 module has been updated. Now with two oscillators, individual adjust speed for CPU and 68B50. The I/O address of 68B50 can be selected, and now working with ROMWBW. Also fixed the blinking LEDs for TX and RX.
#67a Z80 KIO Module
August 27th, 2019
This is the first release, and it is experimental module for the exploration of the KIO chip.
#70a Z180 Micro Module
September 3rd, 2019
This module is a self contained board (SBC) with everything onboard to run full CP/M 2 (using ROMWBW). It contains a Z180 CPU clocked at 18,432Mhz, with 2 serial ports, DMA and CTC. The module contains also 512k RAM and 512k ROM which is fully accessible.
RC2014 is a trademark of RFC2795 Ltd (www.rc2014.co.uk). My modules do not adhere strictly to the "designed for RC2014"labeling scheme, though they are interoperable.
Small Computer Workshop (SCW) and Small Computer Monitor (SCMon) are copyright Steve Cousins (http://scc.me.uk).
ROMWBW is copyright Wayne Warthen (https://github.com/wwarthen)