4.2.1 Main Subroutines

SLINIT(WXMAX,WYMAX,FACT) Initializes.
SLSIZE(CSIZE) Resets a level-1 frame. (Such as A4, B5)
SLFORM(DXA,DYA) Resets a level-1 frame. (In actual dimensions)
SLDIV(CFORM,IX,IY) Divides a frame.
SLMGN(XL,XR,YB,YT) Sets the margins.
SLRAT(RX,RY) Sets the aspect ratio.
SLSTTL(CTTL,CSIDE,PX,PY,HT,NT) Sets the title.