4 ms·
That's actually the onboard monitor ROM doing that. It will hand off to your ROM if it sees that signature. It's analogous to how, say, the Commodore 64 hunted
by classichasclass 3y ago
That's actually the onboard monitor ROM doing that. It will hand off to your ROM if it sees that signature. It's analogous to how, say, the Commodore 64 hunted for cartridges (if it saw "CBM80" at $8004, it used $8000 as a vector and ran the cartridge ROM instead of entering BASIC).