► General

IDA Pro
The disassembler n1.
It costs a lot but it offers so much. I use it for any RE works.

MAME
If you plan tp hack arcade game, you'll probably use MAME and refer to MAME drivers.
Dev build, driver architecture and cheats

 

► System specific

Amstrad CPC

Atari ST

DOS

NEC PC9800 serie

 

 

Scramble