Difference between revisions of "Touchmaster Tablet"
From The Dragon Archive
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+ | == Downloads == |
Revision as of 14:25, 3 May 2014
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'.
Pictures
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) |