Whats the difference between ROMs and Disk Images?
ROM stands for Read-Only Memory. ROM is data held on a chip. It can’t be changed, as can data in RAM, Random-Access Memory, and is therefore read-only. The term ROM has become the common term for a programme, usually a game, which was originally held in ROM but has been extracted to file. These are usually referred to as “ROM files”. The original ROMs were used in the old arcade machines, which you may remember, which only ran a single game over and over. It later became popular to extract the game data to a file which could then be used in a software emulator, such as MAME, on a personal computer. It has since become widespread practice to copy data to files for cross-platform transportation and re-use and the term has become almost universally used to refer to any programme data copied to a format which allows this. An Amiga only uses one ROM, Kickstart, which holds startup and other programme date. Workbench and all other software is supplied and held on disk. The .adf files used by
