Zilog Z8F0130 Manual do Utilizador descarregar pdf (Página 270)

eZ8

™

CPU Core

User Manual

UM012820-0810 XOR Instruction

255

(10010011b) in Working Register R4, sets the S flag, and clears the Z

and V flags:

XOR R4, @R13



Object Code: B3 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:

XOR

3Ah

42h

Object Code: B4 42 3A

If Working Register R5 contains the value F0h (11110000b), Register

45h contains the value 3Ah, and Register 3Ah contains the value 7Fh

(

01111111b), the following statement leaves the value 8Fh

(

10001111b) in Working Register R5, sets the S flag, and clears the C

and V flags:

XOR R5, @

45h

Object Code: B5 45 E5

If Register 7Ah contains the value F7h (11110111b), the following state-

ment leaves the value 07h (00000111b) in Register 7Ah and clears the Z,

V, and S flags:

XOR

7Ah

, #

F0h

Object Code: B6 7A F0

If Working Register R3 contains the value 3Eh and Register 3Eh contains

the value

6Ch (01101100b), the following statement leaves the value

69h (01101001b) in Register 3Eh and clears the Z, V, and S flags

XOR @R3, #

05h

Object Code: B7 E3 05

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