Maxim-integrated MAXQ7667 Bedienungsanleitung PDF herunterladen (Seite 333)

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MAXQ7667 User’s Guide

OR Acc.<b> Logical OR Carry Flag with Accumulator Bit

Description:

Performs a logical-OR between the Carry (C) status flag and a specified bit of the active accumulator (Acc.<b>)

and returns the result to the Carry.

Status Flags: C

Operation: C ← C OR Acc.<b>

Encoding: 15 0

Example(s): ; Acc = 2345h, C=0 at start

OR Acc.1 ; Acc.1=0

→ C=0

OR Acc.2 ; Acc.2=1

→ C=1

POP dst Pop Word from the Stack

Description:

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

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

C, E (if dst = PSF)

Operation: dst ← @ SP--

Encoding: 15 0

Example(s): ; GR ← 1234h

POP GR ; @DP[0]

← 76h (WBS0=0)

POP @DP[0] ; @DP[0]

← 0876h (WBS0=1)

Stack Data:

← SP (initial)

← SP (after POP GR)

← SP (after POP @DP[0])

1ddd

dddd

0000

1101

xxxxh

1234h

0876h

xxxxh

1010

bbbb

1010

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