https://github.com/studio8502/Sentinel-65X
В качестве видео-акселератора используется FPGA iCE40UP5K
- Designed to minimize BOM and construction costs
- Intended to be a turnkey "fabrication ready" design which anyone can produce and sell for any purpose
- Fully open source hardware designs, released under the CERN OHL (permissive) V2
- 8MHz WDC W65C265S CPU (W65C816S compatible)
- 16MB adress space
- 8 timers
- Multiple priority-encoded interrupts
- Built-in GPIO
- 512KB of on-board static RAM
- 512KB of flash ROM
- RGB video output at 640x480
- Stereo audio output
- SD card slot
- Dual enhanced SNES-compatible controller ports
- Supports SNES controllers & joysticks
- Supports the SNES mouse and clones
- Enhanced with I2C bus support for custom peripherals
- Cartridge/expansion port with full system bus, supporting ROM, RAM, and I/O expansions
- Amiga-inspired "clock port" which also serves as a debug port
Схема финализирована теперь дело только за разводкой печатной платы...