PMS164 datasheet(60/74 Pages) PADAUK

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PMS164

12 Touch Keys OTP Controller

Page 60 of 74

PDK-DS-PMS164-EN-V000 – Mar. 25, 2020

xch

Exchange data between ACC and memory

Example:

xch

MEM ;

Resu

lt:

MEM ← a , a ← MEM

Affected flags: 『N』Z

『N』C 『N』AC 『N』OV

pushaf

Move the ACC and flag register to memory that address specified in the stack pointer.

Example:

pushaf;

Result:

[sp] ← {flag, ACC};

sp ← sp + 2 ;

Affected flags: 『N』Z

『N』C 『N』AC 『N』OV

Application Example:

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

.romadr 0x10 ;

// ISR entry address

pushaf ;

// put ACC and flag into stack memory

…

// ISR program

…

// ISR program

popaf ;

// restore ACC and flag from stack memory

reti ;

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

popaf

Restore ACC and flag from the memory which address is specified in the stack pointer.

Example:

popaf;

Result:

sp ← sp - 2 ;

{Flag, ACC} ← [sp] ;

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

7.2. Arithmetic Operation Instructions

add

a, I

Add immediate data with ACC, then put result into ACC

Example:

add

a, 0x0f ;

Result:

a ← a + 0fh

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

add

a, M

Add data in memory with ACC, then put result into ACC

Example:

add

a, MEM ;

Result:

a ← a + MEM

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

add

M, a

Add data in memory with ACC, then put result into memory

Example:

add

MEM, a;

Result:

MEM ← a + MEM

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

addc

a, M

Add data in memory with ACC and carry bit, then put result into ACC

Example:

addc

a, MEM ;

Result:

a ← a + MEM + C

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

addc

M, a

Add data in memory with ACC and carry bit, then put result into memory

Example:

addc

MEM, a ;

Result:

MEM ← a + MEM + C

Affected flags: 『Y』Z

『Y』C 『Y』AC 『Y』OV

PMS164 Datasheet(PDF) 60 Page - PADAUK Technology.

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