Maxim-integrated MAXQ7667 Manual do Utilizador descarregar pdf (Página 334)

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MAXQ7667 User’s Guide

POPI dst Pop Word from the Stack Enable Interrupts

Description:

Pops a single word from the stack (@SP) to the specified dst and decrements the stack pointer (SP). Additionally,

POPI returns the interrupt logic to a state in which it can acknowledge additional interrupts.

Status Flags: S, Z (if dst = Acc or AP or APC)

C, E (if dst = PSF)

Operation: dst ← @ SP--

INS

← 0

Encoding: 15 0

Example(s): See POP

PUSH src Push Word to the Stack

Description: Increments the stack pointer (SP) and pushes a single word specified by src to the stack (@SP).

Status Flags: None

Operation: SP ← ++SP

Encoding: 15 0

Example(s): PUSH GR ; GR=0F3Fh

PUSH #40h

Stack Data:

← SP (after PUSH #40h)

← SP (after PUSH GR)

← SP (initial)

1ddd

dddd

1000

1101

f000

1101

ssss

xxxxh

0040h

0F3Fh

xxxxh

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Maxim-integrated MAXQ7667 Manual do Utilizador Página 334

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