$CPU 8086          ' make compatible with XT systems
$LIB ALL OFF       ' turn off all PowerBASIC libraries
$ERROR ALL OFF     ' turn off all PowerBASIC error checking
$OPTIMIZE SIZE     ' optimize for smaller code
 $COMPILE UNIT      ' compile to a UNIT (.PBU)
'$COMPILE EXE       ' compile to a UNIT (.PBU)

DEFINT A-Z         ' Required for all numeric functions, forces PB to not
                   ' include floating point in UNIT (makes it smaller)
'/*------------------------------------------------------------------*/
DECLARE FUNCTION GETSCREEN() AS STRING
DECLARE SUB PUTSCREEN(BYVAL X AS STRING)
DECLARE SUB MDELAY(COUNT AS WORD)
DECLARE FUNCTION GETVIDEOSEGMENT() AS INTEGER
'/*------------------------------------------------------------------*/
$CODE SEG "MLIB5"
'/*------------------------------------------------------------------*/
' DSCREENC(SCREEN$)
'     Display Screen format C.
'     Display Screen from upper left to lower right.
'     SCREEN$ = Mem (binary) screen to display.
'     Returns old screen.
'     EXAMPLE:  OLD$ = DSCREENC(SCREEN$)
'/*------------------------------------------------------------------*/
FUNCTION DSCREENC(TEMP$) PUBLIC AS STRING
  R$ = GETSCREEN
'/*-12---------------------------------------------------------------*/
  A$=TEMP$
  Row%=CSRLIN
  Col%=POS(0)
  DEF SEG=GETVIDEOSEGMENT
  O$=PEEK$(0,4000)
  I%=0
  DO UNTIL R%=25 AND L%=160
    INCR I%
    R%=0
    DO UNTIL R%=25 OR R%=I%
      Flag%=0
      INCR R%
      IF (I%-(R%-1))*4<=160 THEN
        Flag%=-1
        POKE$ (((R%-1)*160)+1)-1,MID$(A$,(((R%-1)*160)+1),(I%-(R%-1))*4)
      END IF
    LOOP
    IF Flag%=0 THEN EXIT FUNCTION
    CALL MDELAY(1)
  LOOP
  LOCATE Row%,Col%
  FUNCTION = R$
END FUNCTION
'/*------------------------------------------------------------------*/
'   $INCLUDE "C:\CODE\MLIB\MLIB.INC"
'   TD$ = GETMEM("c:\code\mapper\APOGEE.MEM")
'   T2$ = GETMEM("c:\code\mapper\VMESAM.MEM")
'     PUTSCREEN T2$
'     Y$ = GETKEY
'     T$ = DSCREENC(TD$)
'     Y$ = GETKEY
'/*------------------------------------------------------------------*/