Debug: o (output)

Sends the value of a byte to an output port.

Syntax

o port byte-value

Parameters

port : Required. Specifies the output port by address. The port address can be a 16-bit value.

byte-value : Required. Specifies the byte value you want to direct to port.

?: Displays a list of debug subcommands.

Remarks

Windows XP does not use this command. It is accepted only for compatibility with MS-DOS files. 

For information about reading the value of a byte from an input port by using i (input) subcommand, see Related Topics.

Examples

To send the byte value 4Fh to the output port at address 2F8h, type:

o2f8 4f

Formatting legend

FormatMeaning

Italic

Information that the user must supply

Bold

Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

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Code or program output

Debug subcommands

Debug

Command-line reference A-Z



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