Rethink80

Z80-based 8-bit retro computer that reminds you to rethink "What Computers Can Do".

Power it on, and runs immediately into BASIC Interpreter. so you can code anything you think.

It doesn't attest software security so you can run any software that coded by you, or whoever.

You are free to modify this computer. architecture are fully open. for more information, check docs.

Specifications

CPU Board "Tom"

• Z80 CPU Clocked at 6MHz
• Z80 CTC Timer
• 32KB ROM, 32KB SRAM
• 8255 PIO, 2 Ports for GPIO, 1 Port for System I/O
• 16550 Based UART Serial Interface
• 4 x Debug LEDs, 1 x System Ready Indicator, 1 x Buzzer

AV Board "Jerry"

• 8255 + TTL Based Keyboard Controller
• (TODO) FeRAM Memory Card Interface
• 8255 PIO for GPIO
• (TODO) TMS9918A Video Generator
• 2 x SAA1099 + YM2612(or whatever) Sound Generator