PFS154 datasheet(78/91 Pages) PADAUK

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PFS154

8bit MTP Type IO Controller

Page 78 of 91

PDK-DS-PFS154_CN_V105 –Jun. 9, 2020

7.4. Logic Operation Instructions

and

a, I

Perform logic AND on ACC and immediate data, then put result into ACC

Example:

and

a, 0x0f ;

Result:

a ← a & 0fh

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

and

a, M

Perform logic AND on ACC and memory, then put result into ACC

Example:

and

a, RAM10 ;

Result:

a ← a & RAM10

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

and

M, a

Perform logic AND on ACC and memory, then put result into memory

Example:

and

MEM, a ;

Result:

MEM ← a & MEM

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

a, I

Perform logic OR on ACC and immediate data, then put result into ACC

Example:

a, 0x0f ;

Result:

a ← a | 0fh

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

a, M

Perform logic OR on ACC and memory, then put result into ACC

Example:

a, MEM ;

Result:

a ← a | MEM

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

M, a

Perform logic OR on ACC and memory, then put result into memory

Example:

MEM, a ;

Result:

MEM ← a | MEM

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

xor

a, I

Perform logic XOR on ACC and immediate data, then put result into ACC

Example:

xor

a, 0x0f ;

Result:

a ← a ^ 0fh

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

xor

IO, a

Perform logic XOR on ACC and IO register, then put result into IO register

Example:

xor

pa, a ;

Result:

pa ← a ^ pa ;

// pa is the data register of port A

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

xor

a, M

Perform logic XOR on ACC and memory, then put result into ACC

Example:

xor

a, MEM ;

Result:

a ← a ^ RAM10

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

xor

M, a

Perform logic XOR on ACC and memory, then put result into memory

Example:

xor

MEM, a ;

Result:

MEM ← a ^ MEM

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

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