General Information
The VIS1802 was designed by Robert Armstrong in 2024. The VIS1802 is a stand alone serial ASCII terminal based on the CDP1802 CPU and the RCA CDP1869/1870/1876 VIS chip set.
Technical specifications
Clock: 2.835 Mhz
Memory:
28 KB RAM
32 KB ROM
Video: CDP1869/1870 or CDP1869/1876
Sound: CDP1869
Keyboard: A PS/2 keyboard with an AT89C4051 auxiliary processor to decode the PS/2 prototocol to generate ASCII key codes.
Screen shot
Screen shot on the right is showing a VIS1802 startup screen.
Links
Other information about the VIS1802:
- Bob’s VIS1802 GitHub
Main Features VIS1802 Emulator
- Adjustable speed, boosting the speed of the VIS1802 beyond 2.835 Mhz
- Automated XMODEM support
- Direct VIS1802 memory access to load and save software from the PC hard disk via bin or hex files
- Video screen dump to a file (BMP, JPEG, PNG or PCX image)