3b1emu: shortlog

shortlog

fixed bus error handling for real this time (save registers before every instruction and push the saved registers if a bus error occurs, since the instruction may have changed registers before the bus error, and also stop the instruction immediately with longjmp so it won't change memory after the bus error) andrew Wed, 16 Apr 2014 02:20:43 -0600	changeset files
added keyboard mappings for ENTER, CANCL, and EXIT andrew Wed, 16 Apr 2014 02:07:24 -0600	changeset files