Wincor Nixdorf TH180, Programmer'S Manual

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TH180 Programmer’s Guide
73
Commands related to macro functions
GS :
[Designation] Start/end macro definition
[Format] 1DH, 3AH
[Valid limits] ---
[Initial value] Cleared
[Function] (1) Specifies to start or stop a macro definition.
(2) This command specifies to start a macro definition when entered during
ordinary operation. If the command is entered when a macro definition is
already started, it specifies to stop the macro definition.
(3) If an Execute macro (GS ^) command is entered when a macro is being defined,
this command stops defining the macro and the macro definition being made is
cleared.
(4) Initially, no macro is defined.
(5) No macro definition is cleared by the Initialize printer (ESC @) command.
(6) If this command (GS :) is entered twice consecutively, a macro becomes
undefined.
(7) A macro definition can define up to 2048 bytes of data.
Data exceeding 2048 bytes cannot be defined.
(8) The Real-time status transmission (DLE EOT) command cannot be
defined in a macro.
(9) In the case of the following, the macro that I defined is cleared.
a. Print a raster bit image command (GS v 0).
b. Print in NV bit mode image command (FS q).
c. Switch off the printer.
d. Reset command.