I worked with IDA pro ver 4.04 that supports 8051,it is a complete comercial disassembler and I think it is the best.
I have a problem when I disasseble a hex file (the hex file generated by k*/**e*i*l compiler .the tables and constants that are stored in flash memory can not be disassembled ,the disasm can not recognize it ,is it opcodes or it is data????
What do you want to disassemble?
sometimes industrials mix the adress lines so you cannot disassemble
the firmware without making the correct translation.
sometimes they use PLD to hide this mix.
anyway as for me I would advise you to use XDASM from
Data Sync Engineering,
MB.
OK thanks for the suggestions.
I am trying to disassemble the code of a car ECU.
I have been recommended a program called DASMX which is free, so I will try this first.