Changes from version 0.2 to 0.2.1 <aoppelt@theorie3.physik.uni-erlangen.de>:

- removed leading underscores from symbol names in assembly modules so
  it will compile on Linux/ELF systems (will no longer work on a.out)
- can change default location of CP/M filesystem in Makefile (CPMLIBDIR)

Changes from version 0.1 to version 0.2:

- corrected emulation of EX AF,AF' opcode
- corrected emulation of NEG opcode
- corrected disassembler output of RETI opcode
- things I won't tell you
