implement STi instructions
move all unit test to one dir
added JMP instruction
first stage of AS
decode J1Z
redo machine structure - registers in single array
implement Jreg instructions
implement ENTi
implement ENTA
decode all address (48-55) instrs
added ADDRX op; decode DIV
introduce callback from mix machine
rewrite main to register a callback for instruction execution. distribute constness as a result.
distribute constness liberally
merge in constness work
ad mix_machine.c
merge constness from main
merge from MIXas
starting lexer and grammar
first unit tests for assembler