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Welcome to the Foenix Retro Systems' F256x series Wiki Dedicated to the WDC65C02/WDC65C816 or FNX6809 based F256x series.

Getting Started Getting Started Product Specifications Getting Started Manuals Software Emulation HOWTO Technical Overview Technical Overview Hardware Firmware File Formats Memory Management Kernels System Maintenance System Maintenance FPGA Releases Kernel & SuperBASIC Updates Optional Upgrades ...

Software Development Software Development SuperBASIC C Development Assembly Code Development W65C816 Processor W65C816 Processor 65816 Overview 65816 C Compilers 65816 Assembly Tutorial FNX6809 Processor FNX6809 Processor FNX6809 Overview OS-9