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DIV

DIV - Divide

Unsigned binary division of accumulator by source. If the source divisor is a byte value then AX is divided by “src” and the quotient is placed in AL and the remainder in AH. If source operand is a word value, then DX:AX is divided by “src” and the quotient is stored in AX and the remainder in DX.

(AF,CF,OF,PF,SF,ZF undefined)

Usage:

	DIV	src

Modifies flags:

CF OF

	Clocks				Size
Operands	808x	286	386	486	Bytes
reg8	80-98	13	9-14	13-18	2
reg16	128-154	21	9-22	13-26	2
reg32	-	-	9-38	13-41	2
mem8	86-104	16	12-17	13-18	2-4
mem16	134-160	24	12-25	13-26	2-4
mem32	-	-	12-21	13-42	2-4

see Instructions list, Instruction Timing, 8086 Architecture, CPU

2023/01/05 22:53 · frater

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