Zilog Z8F0130 - Manual (Page 209)

eZ8
™
CPU Core
User Manual
UM012820-0810 OR Instruction
194
( 11111011b ) in Working Register R4, sets the S flag, and clears the Z
and V flags:
OR R4, @R13

Object Code: 43 4D
If Register 3Ah contains the value F5h ( 11110101b ) and Register 42h
contains the value 0Ah ( 00001010b ), the following statement leaves the
value FFh ( 11111111b ) in Register 3Ah , sets the S flag, and clears the Z
and V flags:
OR 3Ah, 42h

Object Code: 44 42 3A
If Working Register R5 contains 70h ( 01110000b ), Register 45h con-
tains the value 3Ah , and Register 3Ah contains the value 7Fh
( 01111111b ), the following statement leaves the value 7Fh
( 01111111b ) in Working Register R5 and clears the Z, V, and S flags:
OR R5, @45h

Object Code: 45 45 E5
If Register 7Ah contains the value F7h ( 11110111b ), the following state-
ment leaves the value F7h ( 11110111b ) in Register 7Ah , sets the S flag,
and clears the Z and V flags:
OR 7Ah, #F0h

Object Code: 46 7A F0
If Working Register R3 contains the value 3Eh and Register 3Eh contains
the value 0Ch ( 00001100b ), the following statement leaves the value
0Dh ( 00001101b ) in Register 3Eh and clears the Z, V, and S flags:
OR @R3, #05h

Object Code: 47 E3 05