Functions of the terminal control macro instructions

Use the following macro instructions in your Command Processor to control terminal functions and attributes.

macro instruction	Function	Valid under z/OSMF ISPF	Issue in 24-bit addressing mode
GTDEVSIZ	Get device size	x	x
GTSIZE	Get terminal line size	x
GTTERM	Get terminal attributes		x
RTAUTOPT	Restart automatic line numbering or character prompting
SPAUTOPT	Stop automatic line numbering or character prompting
STATTN	Set Attention Simulation		x
STAUTOCP	Start automatic character prompting
STAUTOLN	Set automatic line numbering		x
STBREAK	Set Break		x
STCC	Specify Terminal Control Characters		x
STCLEAR	Set Display Clear Character String		x
STCOM	Set Inter-Terminal Communication		x
STFSMODE	Set full-screen mode		x
STLINENO	Set line number		x
STSIZE	Set terminal line size		x
STTIMEOU	Set Time Out Feature		x
STTMPMD	Set terminal display manager options		x
STTRAN	Set Character Translation		x
TCLEARQ	Clear buffers		x

Except for the GTDEVSIZE, GTSIZE, and GTTERM macros, all terminal control macros will be ignored under z/OSMF ISPF. GTTERM fails with RC 4 to indicate the terminal does not support full screen TPUT. GTDEVSIZE and GTSIZE return the screen size for ISPF.