Added defines to assembler and fixed syntax of the [ORG] directive
Some cleaning in the assembler code

 - Made as many helper functions as possible into gerneric
 - Symbols are linked lists
 - Removed binaries
Finally an update after a long break

 - Removed gschem schematics and symbols
 - Added original design documents
 - Added PCB layouts
 - Updated README
Updated emulator

 - Corrected memory map (1024 byte ROM, 31k shared RAM)