ST20CX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST20CX

Instruction Set Reference Manual

STMicroelectronics 

div

div

divide

Code: 22 FC

Description: Divide Breg by Areg, with checking for overflow. The result when not

exact is rounded towards zero.

Definition:

if (Areg = 0) or ((Breg = MostNeg) and (Areg = -1))

{

Areg′ ← undefined

IntegerOverflow

}

else

Areg′ ← Breg / Areg

Breg′ ← Creg

Creg′ ← undefined

Error signals:

IntegerOverflow can be signalled.

Comments:

Secondary instruction.

See also: rem

75/212

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