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Comment: Layout reviewed for PDF export bugs

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The LPV11 (being a CHAPI component) provides the following configuration parameters, to be specified using the "set" command:

address

Parameteraddress
TypeDescriptionNumericaddress
ValueNumeric

Specifies the CSR address.

This address must be a valid QBUS 22-bit address in an I/O space.

The initial value is 017777514, which is the factory setting for an LPV11.

vector

Parametervector
TypeNumeric
Value

Specifies the interrupt vector.

The initial value is 0200, which is the factory setting for an LPV11.

parameters

Parameterparameters
TypeText String
Value

Specifies the name of the file in which the LPV11 prints the text, the name of a physical printer or a TCPIP port to connect to an external utility, like HOSTPrint, (along with some additional parameters):

ParametersDescription 
"\\.\LPT<N>"

Host port to connect to a physical printer

 
"port"TCP/IP port to connect to an external application 
"application"

An application to run after opening the port.

Note: the name of the application including its own parameters must be framed within ‘ characters (apostrophe).

 
-port

The TCP/IP port the HOSTprint utility will connect to.

 
-fontsizeThe font size to be used for printing. 
-font

The font to be used for printing. The font name must be framed with \ (backslash) symbols.

 

 

It’s possible to load as many LPV11 devices as you wish and the system running on the emulated VAX/PDP-11 allows this to be done. To load LPV11 devices use the standard QBUS parameters: "address" and "vector" to select the correct place on the QBUS.

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