CB , DD , ED , FD are prefix bytes — they change the meaning of the next byte, creating extended MFCs.
Small internal storage units, typically 8 bits wide (e.g., the Accumulator). Manages signals like MFC to coordinate timing. Bus The physical paths (wires) for data and address signals. full eight bit mfc full
: Developers often need to display raw 8-bit buffers in a "Picture Control". CB , DD , ED , FD are
He hits ENTER.
On the screen, blocky green text scrolls: SYSTEM INTEGRITY: 100% MFC MODE: PARTIAL INPUT REQUIRED: AUTHORIZATION CODE typically 8 bits wide (e.g.
