Intel 8253 - Page 514

XA User Guide 6-114 4/17/98
MOV Rd, #data8
Bytes: 3
Clocks: 3
Operation: (Rd) <-- #data8
Encoding:
byte 3: #data8
MOV Rd, #data16
Bytes: 4
Clocks: 3
Operation: (Rd) <-- #data16
Encoding:
byte 3: upper 8 bits of #data16
byte 4: lower 8 bits of #data16
MOV [Rd], #data8
Bytes: 3
Clocks: 3
Operation: ((WS:Rd)) <-- #data8
Encoding:
byte 3: #data8
MOV [Rd], #data16
Bytes: 4
Clocks: 3
Operation: ((WS:Rd)) <-- #data16
Encoding:
byte 3: upper 8 bits of #data16
byte 4: lower 8 bits of #data16
1 0 0 1 0 0 0 1 d d d d 1 0 0 0
1 0 0 1 1 0 0 1 d d d d 1 0 0 0
1 0 0 1 0 0 1 0 0 d d d 1 0 0 0
1 0 0 1 1 0 1 0 0 d d d 1 0 0 0