McKlaud76 / Timmy

Timex Computer 2048 clone with 80KB RAM and PSG on board. Bill of Materials is available at

Home Page:http://timmy.fatla.eu

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Timmy

Timex Computer 2048 clone with 80KB RAM on board.

© 2021 KWF

Date: 03/11/2021

Timmy

The clone (v.0.3) includes:

  • Z80A (3.5MHz) CPU,
  • Timex SCLD or its replacement called SCLD Q,
  • 16KB lower RAM,
  • 2 x 32KB upper RAM (bank switching controlled by #FF port),
  • 2 x 16KB ROM (selectable),
  • AY-3-8910 sound chip controlled via SCLD ports (Timex or ZX128K),
  • improved Kempston joystick interface,
  • RGB and composite video outputs,
  • compatible with TC2048 keyboard,
  • RESET button,
  • PCB in dimensions and size of the Timex Computer 2048 board,
  • MH-M18 Bluetooth (BT) audio module for wireless tape loadig.

Changes to previous revision:

  • SCLD footprint corrections,
  • corrected edge connector layout,
  • added BT audio module,
  • added PSG I/O port A connector.

For detailed information visit: Timmy @ speccy.pl

If you are interested in hardware tests watch my YouTube Channel

Photos

Comparision Timmy v0.2 with TC2048 Board: TC2048vsTimmy

Testing setup (v1.1): Testbench

Colour test output (v1.1): Testing Timmy

Warranty

No Warranty of the Project. The Issuer makes no express or implied warranty of any kind whatsoever with respect to the Project.

License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) if not stated otherwise.

About

Timex Computer 2048 clone with 80KB RAM and PSG on board. Bill of Materials is available at

http://timmy.fatla.eu