EMMA 02

RCA APT VP4801 (All Purpose Terminal)

General Information

The VP4801 is an all purpose terminal released by RCA in 1984. All information to build this emulator was based on ROM dumps, an add in BYTE magazine and a photo of the PCB. This is likely not 100% correct and missing information

Technical specifications

Clock: ? MHz
Memory:
      4 KB RAM (Battery backed up), 2 KB Video RAM
      16 KB ROM
Video:

  • SCN2672 Programmable Video Timing Controller with 80 characters x 24 lines or 40 characters x 24 lines
  • CRT8002-018 Video Display-Controller with 5x7 ASCII characters
Keyboard, UART & Sound:
      SCN2671 Programmable Keyboard and Communication Controller

Screen shot

VP4801 startup screen

Links

Other information about the VP4801 TBA... 

VP4801 Startup

Main Features RCA APT VP4801 (All Purpose Terminal) Emulator

  • Adjustable speed, boosting the speed of the RCA VP4801 beyond it's original speed!
  • Direct RCA VP4801 memory access to load and save software from the PC hard disk via intel hex or binary files
  • Video screen dump to a file (BMP, JPEG, PNG or PCX image)