Project:Infotec displays
From London Hackspace Wiki
Donated by Nottinghack, who have a project page with pictures.
Firmware
NEC 27 (25), which is almost identical to a 186, with register bank switching, DMA and a simple buffering (macro) system for interrupts. User manual and with opcodes and with chart.
External bus | 8-bit |
Clock speed | 8MHz? |
DMA channels | 2 |
Serial | built-in |
Timers | 2 |
Internal data area | 256 bytes based at xxe00 |
Special functions | 256 bytes based at xxf00 |
Disassembly at http://github.com/marksteward/Infotec/.