Intel 8253 - Page 426

XA User Guide 6-26 4/17/98
OR direct, #data16 Logical OR16-bit immediate data to memory 5 4
RL Rd, #data4 Rotate left register by the 4-bit immediate
value
2 See
Note 1
RLC Rd, #data4 Rotate left register though carry by the 4-bit
immediate value
2 See
Note 1
RR Rd, #data4 Rotate right register by the 4-bit immediate
value
2 See
Note 1
RRC Rd, #data4 Rotate right register though carry by the 4-bit
immediate value
2 See
Note 1
XOR Rd, Rs Logical XOR registers 2 3
XOR Rd, [Rs] Logical XOR register-indirect to register 2 4
XOR [Rd], Rs Logical XOR register to register-indirect 2 4
XOR Rd, [Rs+offset8] Logical XOR register-indirect with 8-bit offset
to register
36
XOR [Rd+offset8], Rs Logical XOR register to register-indirect with
8-bit offset
36
XOR Rd, [Rs+offset16] Logical XOR register-indirect with 16-bit
offset to register
46
XOR [Rd+offset16], Rs Logical XOR register to register-indirect with
16-bit offset
46
XOR Rd, [Rs+] Logical XOR register-indirect with auto
increment to register
25
XOR [Rd+], Rs Logical XOR register-indirect with auto
increment to register
25
XOR direct, Rs Logical XOR register to memory 3 4
XOR Rd, direct Logical XOR memory to register 3 4
XOR Rd, #data8 Logical XOR 8-bit immediate data to register 3 3
XOR Rd, #data16 Logical XOR 16-bit immediate data to register 4 3
XOR [Rd], #data8 Logical XOR 8-bit immediate data to register-
indirect
34
XOR [Rd], #data16 Logical XOR 16-bit immediate data to
register-indirect
44
XOR [Rd+], #data8 Logical XOR 8-bit immediate data to register-
indirect with auto-increment
35
XOR [Rd+], #data16 Logical XOR 16-bit immediate data to
register-indirect with auto-increment
45
Table 6.5
Mnemonic Description Bytes Clocks