Commodore 64 on DE0 Nano

Based on the FPGA64 vhdl description from Peter Wendrich. This realisation uses the DE0 Nano board which has a large FPGA at low cost.

External hardware have to be added :

• SRAM
• IEC interface
• Video DAC
• Audio DAC
• PS/2 keyboard input

Working on DE2 with no external  hardware (except IEC which requires external IEC hardware).

The IEC bus may be connected to a real commodore floppy drive (1541 ...) or to some replacement (µIEC/SD ...).

The FPGA contains 3 roms : KERNAL, BASIC and CHAR (Jiffydos kernal allow for speeding up the IEC bus) and a VHDL SID6581 emulation.

Standalone working from the embed EPCS.