Y Ddraig reference info
This page contains a collection of datasheets and programming documents for some of the key components of Y Ddraig’s design.
Y Ddraig main board
- Motorola 68000 CPU
- Motorola 68000 Programmers Reference Manual
- Motorola 68230 Parallel Interface/Timer
- Motorola 68681 Dual Asynchronous Receiver/Transmitter
- VT82C42 Keyboard Controller
- RTC-72421 Real-time Clock
Texas Instruments TMS9918
The V9958 datasheet only contains differences to the V9938 so both are needed to get a full understanding of the V9958.