DCL:GRPH1:SWPACK: Machine-Dependent Routines:Explanation of Subroutines: Graphics Routines
Moves by pen-up/pen-down.
wx,wy (R) The workstation coordinates. (i)
- These two routines appear in a primitive an arbitrary number of times, but the routine called immediately after the primitive is opened must be swgmov. There is no certification for proper operation of the program when swgplt is called immediately after swgopn.