📄 iopoke-command.html
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><H1
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>iopoke</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN1049"
></A
><H2
>Name</H2
>iopoke -- Write I/O location</DIV
><DIV
CLASS="REFSYNOPSISDIV"
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></A
><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>iopoke</B
> [-b <TT
CLASS="REPLACEABLE"
><I
> location</I
></TT
>] [-1 | -2 | -4] [-v <TT
CLASS="REPLACEABLE"
><I
> value</I
></TT
>]</P
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><H2
>Arguments</H2
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><TH
>Name</TH
><TH
>Type</TH
><TH
>Description</TH
><TH
>Default</TH
></TR
></THEAD
><TBODY
><TR
><TD
>-b <TT
CLASS="REPLACEABLE"
><I
>location</I
></TT
></TD
><TD
>I/O address</TD
><TD
>I/O Location.</TD
><TD
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>none</I
></SPAN
></TD
></TR
><TR
><TD
>-1</TD
><TD
> </TD
><TD
>Access a one byte (8 bit) I/O location.
Only the 8 least significant bits of value will be used</TD
><TD
>-1</TD
></TR
><TR
><TD
>-2</TD
><TD
> </TD
><TD
>Access a two byte (16 bit) I/O location.
Only the 16 least significant bits of value will be used</TD
><TD
>-1</TD
></TR
><TR
><TD
>-4</TD
><TD
> </TD
><TD
>Access a one word (32 bit) I/O location.</TD
><TD
>-1</TD
></TR
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><P
></P
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><DIV
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><A
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></A
><H2
>Description</H2
><P
>Writes a value to the I/O address space.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1103"
></A
><H2
>Examples</H2
><P
>Write 0x0123 to 16 bit I/O location 0x200.
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>
RedBoot> <KBD
CLASS="USERINPUT"
>iopoke -b 0x200 -v 0x123 -2</KBD
></PRE
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