DP80390 datasheet(36/84 Pages) DCD

部件名	DP80390

功能描述	Pipelined High Performance Microcontroller Instructions set details ver 3.10

PDF	84 Pages

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制造商	DCD [Digital Core Design]

网页	http://www.digitalcoredesign.com

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DP80390 Instructions set details

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3.11.

DIV

Instruction:

DIV AB

Function:

Divide

Description:

DIV AB divides the unsigned eight-bit integer in the accumulator by the

unsigned eight-bit integer in register B. The accumulator receives the

integer part of the quotient; register B receives the integer remainder.

The carry and OV flags will be cleared.

Exception:

If B had originally contained 00 H, the values returned in the

accumulator and B register will be undefined and the overflow flag will

be set. The carry flag is cleared in any case.

Operation:

(PC)

← (PC) + 1

(A15-8)

← (A) / (B) – result’s bits 15..8

(B7-0)

← (A) / (B) – result’s bits 7..0

Bytes:

Cycles:

Encoding:

DP80390 数据表(PDF) 36 Page - Digital Core Design