MCS11 datasheet(83/108 Pages) PADAUK

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MCS11

ADC-Type Enhanced FPPA

TM Controller

Page 83 of 108

PDK-DS-MCS11_v020 – Apr. 20, 2018

7-1 Data Transfer Instructions

mov

a, I

Move immediate data into ACC.

Example:

mov

a, 0x0f;

Result:

a ← 0fh;

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

mov

M, a

Move data from ACC into memory

Example:

mov

MEM, a;

Result:

MEM ← a

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

mov

a, M

Move data from memory into ACC

Example:

mov

a, MEM ;

Result:

a ← MEM; Flag Z is set when MEM is zero.

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

mov

a, IO

Move data from IO into ACC

Example:

mov

a, pa ;

Result:

a ← pa; Flag Z is set when pa is zero.

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

mov

IO, a

Move data from ACC into IO

Example:

mov

pb, a;

Result:

pb ← a

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

nmov

M, a

Take the negative logic (2’s complement) of ACC to put on memory

Example:

mov

MEM, a;

Result:

MEM ← 〒a

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

Application Example:

------------------------------------------------------------------------------------------------------------------------

mov

a, 0xf5 ;

// ACC is 0xf5

nmov

ram9, a;

// ram9 is 0x0b, ACC is 0xf5

------------------------------------------------------------------------------------------------------------------------

nmov

a, M

Take the negative logic (2’s complement) of memory to put on ACC

Example:

mov

a, MEM ;

Result:

a ← 〒MEM; Flag Z is set when 〒MEM is zero.

Affected flags: 『Y』Z

『N』C

『N』AC

『N』OV

Application Example:

------------------------------------------------------------------------------------------------------------------------

mov

a, 0xf5 ;

mov

ram9, a ;

// ram9 is 0xf5

nmov

a, ram9 ;

// ram9 is 0xf5, ACC is 0x0b

------------------------------------------------------------------------------------------------------------------------

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