Update for latest rust
Clean up some warnings
Restructure makefile
initial experiment with actually doing userspace codegen
WIP
Enough JIT that it can execute code without loops
Nuke the memset because it's a debugger quirk
Nop out blocks to make math easier
Make assertions about isn width
Start moving the assembler out into a module
Move indirect options into x64
Add a note about some hilariously broken functionality
Move call into x64
Move frame size into x64
Move more handling into x64
Start fleshing out loop logic
Zero the tape, just in case
Actually load the tape into rsi (lol)
Pass the program by reference
Setup getc call