Glossary

Mapping Support

is a subsystem that provides a programming interface for communications between the OSC program and the TN3270 terminal.

Physical Map

is a binary file that stores the attributes for each field of maps and information necessary for data conversion.

Symbolic Map

is a COBOL copybook file that contains data structure definitions used by applications.

Map Source Code

is a user-created IBM assembler macro source code.

mscasmc

is a tool to remove assembler macro commands for dump in a map.

mscmapc

is a tool to generate symbolic map and physical map files by compiling a map source code.

Field

is a concept equivalent to each individual item shown on the screen.

Map

is a concept equivalent to one entire screen shown in the terminal.

Mapset

is a logical concept meaning a group of maps. A mapset must have at least one map definition.

DFHMDF

is a macro that declares a field.

DFHMDI

is a macro that declares a map.

DFHMSD

is a macro that declares a mapset.