Fixed disass command to handle the zero argument case and disassemble at the current pc address
Fixed disass command to handle the zero argument case and disassemble at the current pc address

git-svn-id: dd14d189f2554b0b3f4c2209a95c13d2029e3fe8@1070 96dfbd92-d197-e211-9ca9-00110a534b34

RyuKojiro/v6502