EMMA 02

CDP18S020 Evaluation Kit

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General Information

The CDP18S020 Evaluation Kit was released as an evaluation tool intended to encourage the application of the RCA 1800 series. All information to build this emulator is based on the manual which can be found via Evaluation Kit Manual for the RCA CDP1802 COSMAC Microprocessor MPM-203

SW included: the UT4 ROM as well as the Cosmac Tiny Basic as is listed in the manual.

Technical specifications

Clock: 2.0 MHz
Memory:
      256 bytes upto 4 KB user RAM
      32 bytes Utility Program RAM
      512 bytes ROM

Screen shot

CDP18S020 running Tiny Basic on a video terminal.

CDP18S020 Tiny Basic

Links

Other information about the CDP18S020 Evaluation Kit:

  • Evaluation Kit Manual for the RCA CDP1802 COSMAC Microprocessor MPM-203
  • RCA UT5 ROM and Microterminal

Main Features CDP18S020 Evaluation Kit Emulator

  • Adjustable speed, boosting the speed of the CDP18S020 beyond 2.0 MHz!
  • Direct CDP18S020 memory access to load and save software from the PC hard disk via intel hex or binary files
  • Terminal simulation (DEC VT-52 and VT-100)
  • Video screen dump to a file (BMP, JPEG, PNG or PCX image)
  • Single step mode, taking one CPU cycle per step