Set Marker Cell/Push and Set Marker Cell - Syntax

These orders set, or push and set, the value of the current marker cell-size attribute.

Set Marker Cell (GSMC)
X'37' (LEN, CELLX, CELLY, FLAGS, RES)

Push and Set Marker Cell (GPSMC)
X'77' (LEN, CELLX, CELLY, FLAGS, RES)