MSM80C154S/83C154S/85C154HVS

83. ORL C,/bit address (Logical OR complement of bit to carry flag)

 

 

 

7

 

 

 

 

 

 

 

 

0

 

Instruction code

:

 

1

0

1

0

 

 

0

0

0

0

Byte 1

 

 

 

7

 

 

 

 

 

 

 

 

0

 

Bit address

 

 

b7

b6

b5

b4

 

 

b3

b2

b1

b0

Byte 2

Operation

: (C)(C) OR (bit address)

 

 

 

 

Number of bytes

: 2

 

 

 

 

 

 

 

 

 

 

 

Number of cycles

: 2

 

 

 

 

 

 

 

 

 

 

 

Flags

:

 

C

AC

F0

RS1

 

 

RS0

OV

F1

P

 

(PSW)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description

: The logical OR between the carry flag and the complement of

specified bit address content is determined. The result is placed in the carry flag.

Example ORL C,/25H.5

Instruction code

:

7

 

 

 

 

 

 

 

0

 

1

0

1

0

 

0

0

0

0

Byte 1

7

 

 

 

 

 

 

 

0

 

0

0

1

0

 

1

1

0

1

Byte 2

Before execution Carry flag

0

25H

1

0

0

0

 

1

0

1

0

7

 

5

 

 

 

 

 

0

After execution Carry flag

1

25H

1

0

0

0

 

1

0

1

0

7

 

5

 

 

 

 

 

0

342

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Image 349
Sonic Alert msm80154s, msm83c154s, msm85c154hvs user manual 342