Z80 System on Chip System on chip, based on T80 core.
Version 0.5-DE1 is designed for Altera DE1 development board.
Version 0.5-S3E is the port for Diligent Spartan 3E.
Both projects provide access to leds, switches, buttons, keyboard and vga.
DE1 version have external SRAM as main ram memory.
S3E version provide memory mapped access to the LCD display.
Both versions have 8 Kb ROM, which can be custom developed and added to the project using the include hex2rom converter.