Int 62 Fn 006A  u - Fgdriver V4.02 - "fg_loadpcx" - Load .pcx Into Active  [V]

   AX = 006Ah
   ES:BX -> ASCIZ filename for PCX image
   CX = control flags
       bit 0: use current palette, overriding stored .PCX palette
       bit 1: load at current graphics position, not stored position
       bit 2: load image from FG_IMAGEBUF buffer instead of .PCX file

Return: AX = status
       0000h successful
       0001h file not found
       0002h not a .PCX file

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=006Ch,AX=00B9h,AX=00D5h