Y86 Instructions P259 Flgure 4.2 Format(P259) a 1-6 bytes of information read from memory Can determine instruction length from first byte Not as many instruction types, and simpler encoding than with A32 Each accesses and modifies some part(s)of the program state Errata: JXX and call are 5 bytes long. -10 Processor– 10 – Processor Y86 Instructions Format (P259) ◼ 1--6 bytes of information read from memory ⚫ Can determine instruction length from first byte ⚫ Not as many instruction types, and simpler encoding than with IA32 ◼ Each accesses and modifies some part(s) of the program state Errata: JXX and call are 5 bytes long. P259 Figure 4.2