Touchmaster Tablet

From The Dragon Archive

Touchmaster were responsible for creating a self-named graphics tablet for the Dragon, along with a short list of educational titles, under the Touchware label, that were compatible with it. The tablet could be connected to various home computers of the day via different interfaces. The Dragon version used the cartridge port and with an expansion bus duplicated the functionality of the port so that other peripherals such as disk drives could still be used.

The tablet came with its own power supply, a stylus and a graphics program called Multipaint, although the cassette that this was on is simply named 'Graphics Cassette'.


IC Parts List

Touchmaster Tablet IC list (with Datasheets)

Part Number Description Datasheet
6803 Microprocessor (pdf)
6821 Peripheral Interface Adapter (PIA) (pdf)
TMS2516 2KB Eprom (Equivalent to standard 2716) (pdf)
ADC0803LCN 8-Bit µP Compatible A/D Converter (pdf)
SN74LS04N Hex inverters (pdf)
SN74LS373 Octal D-Type transparent latches and edge-triggered flip-flops (pdf)
ICL7621DCPA Dual, Low Power CMOS Operational Amplifiers (pdf)
SN74LS32N Quad 2-input positive-OR gates (pdf)