Intermec PENKEY 6100 Programmer's Reference Manual page 189

SECTION 6
INT 10h, Function AH = 12h, Subfunction 36h: Enable/Disable Screen
BIOS, 4000API
On Entry:
On Return:
INT 10h, Function AH = 12h, BL = FAh: Set Physical Display Size
VROTATE
On Entry:
On Return:
INT 10h, Function AH = 12h, BL = FBh: Return Pointer to Current Display
VROTATE
On Entry:
On Return:
INT 10h, Function AH = 12h, BL = FDh: Return Physical Display Size
VROTATE
On Entry:
On Return:
Refresh
Parameters
R
PEN*KEY 6100 Computer Programmer's Reference Guide
Conversions and Interfaces
6-53