Doc: Add README.md

README.md

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+
+# Build Dependencies
+
+## The assembler - asfv1
+
+build from source: https://github.com/ndf-zz/asfv1
+
+or
+
+`pip install asfv1` 
+
+## The flash-tool - ch341eeprom
+
+https://github.com/command-tab/ch341eeprom
+
+run `make` it should just work, terribly simple program.
+
+## Hex2bin Converter - srecord (optional)
+This is not required when using the asfv1 assembler as it already produces bin files.
+
+`port install srecord`
+
+
+# Build
+
+To build switch into dir `src` to execute the makefile targets   
+
+## Makefile Targets
+
+`make flash` - Build and upload all the 8 programs   
+`make all` - Only compile all the 8 programs   
+`make clean`   
+`make erase`   
+
+The 
+
+
+# Toolchain Setup
+
+`source env.sh` to get the commands
+
+* `fvcompile`
+* `fvhex2bin`
+* `fvflash`
+* `fverase`
+