Note: Files larger than available RAM use memory-mapped I/O, reducing system load but slowing random access.
4.1 Core IO and Storage Layer Design choices: helium hex editor
Modifying save files, ROMs (NES, SNES, Game Boy), or game executables often requires precise hex editing. Helium’s multiple cursors allow you to change a common pattern across a wide address range. The bookmarks help document discovered addresses. Note: Files larger than available RAM use memory-mapped