DP80390 datasheet(23/84 Pages) DCD

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DP80390 Instructions set details

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3.5.

ANL

Instruction:

ANL <dest-byte>, <src-byte>

Function:

Logical AND for byte operands

Description:

ANL performs the bit wise logical AND operation between the variables

indicated and stores the results in the destination variable. No flags are

affected (except P, if <dest-byte> = A). The two operands allow six

addressing mode combinations. When the destination is a accumulator,

the source can use register, direct, register-indirect, or immediate

addressing; when the destination is a direct address, the source can be

the accumulator or immediate data.

Note:

When this instruction is used to modify an output port, the value used

as the original port data will be read from the output data latch, not the

input pins.

3.5.1. ANL A, RN

Operation:

(PC)

← (PC) + 1

(A)

← (A) and (Rn)

Bytes:

Cycles:

Encoding:

3.5.2. ANL A, DIRECT

Operation:

(PC)

← (PC) + 2

(A)

← (A) and (direct)

Bytes:

Cycles:

Encoding:

direct address

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