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8.36.3 Parameter

ALTER

Alters the user EBCDIC or ASCII table value at hex position pos to hex value val.
Up to 16 pairs of hex digits may be specified within the parenthesis. ALTER can be
abbreviated as ‘ALT’.

DISPLAY

Displays the user EBCDIC or ASCII codepage table. DISPLAY can be abbreviated
as ‘DIS’ or ‘DSP’.

EXPORT

Exports the contents of the user EBCDIC or ASCII codepage table to file filename.
EXPORT can be abbreviated as ‘EXP’.

IMPORT

Imports the contents of file filename to the user EBCDIC or ASCII codepage table.
IMPORT can be abbreviated as ‘IMP’.

REFERENCE

Copies the specified codepage to the user EBCDIC and ASCII tables. If no code-
page is specified, a list of valid codepages is displayed on the console. ‘REFE-
RENCE’ can be abbreviated as ‘REF’.

RESET

Reset the internal user tables to binary zero.

TEST

Verify that user tables are transparent, i.e. the value at position n in g2h used as an
index into h2g will return a value equal n (g2h<=>h2g, h2g<=>g2h).

EBCDIC

The target for the command is the EBCDIC table. The EBCDIC table refers to the
‘guest to host’ translation. ‘EBCDIC’ can be abbreviated as ‘E’.

ASCII

The target for the command is the ASCII table. The ASCII table refers to the ‘host
to guest’ translation. ‘ASCII’ can be abbreviated as ‘A’.

G2H

This is the same as ‘EBCDIC’.

H2G

This is the same as ‘ASCII’.

pos

Specifies the hex position within the selected table.

val

Specifies the hex value for the selected position.

filename

Specifies the file name of the file to which the specified codepage has to be expor-
ted or from which the codepage table has to be imported.

codepage

Specifies the codepage that has to be copied to the user tables.

8.36.4 Examples

Example 1:

Copy the Hercules default codepage to the user tables.

HHC00013I Herc command: 'cp_updt reference default'

HHC01478I Codepage 'default' copied to 'user'

Figure 73: CP_UPD command (copy codepage to user tables)