subport attribute

The subport attribute specifies whether to target the LPT data or control port.

Member of

<port>

Syntax

/ subport = porttype

Parameters

Name

Type

Description

porttype

subportenum

Value	Description
control	Control register.
data	Data register.
status	Status register.

Remarks

The standard PC parallel port contains 2 output registers, the data and control registers. This attribute defines which register to use to send TTL signals.

subport attribute

Member of

Syntax

Parameters

Remarks

Examples