Intel 8253 - Page 513

4/17/98 6-113 Addressing Modes and Data Types
MOV direct, Rs
Bytes: 3
Clocks: 4
Operation: (direct) <-- (Rs)
Encoding:
byte 3: lower 8 bits of direct
MOV Rd, direct
Bytes: 3
Clocks: 4
Operation: (Rd) <-- (direct)
Encoding:
byte 3: lower 8 bits of direct
MOV direct, [Rs]
Bytes: 3
Clocks: 4
Operation: (direct) <-- ((WS:Rs))
Encoding:
byte 3: lower 8 bits of direct
MOV [Rd], direct
Bytes: 3
Clocks: 4
Operation: ((WS:Rd)) <-- (direct)
Encoding:
byte 3: lower 8 bits of direct
1 0 0 0 SZ 1 1 0 s s s s 1 direct:3 bits
1 0 0 0 SZ 1 1 0 d d d d 0 direct:3 bits
1 0 1 0 SZ 0 0 0 1 s s s 0 direct:3 bits
1 0 1 0 SZ 0 0 0 0 d d d 0 direct:3 bits