Intermec PENKEY 6100 Programmer's Reference Manual page 191

SECTION 6
INT 10h, Function AH = 12DFh, Subfunction BL = FCh: Disable Invert Mode
VROTATE
On Entry:
On Return:
INT 10h, Function AH = 12E0h, Subfunction BL = FCh: Set Chase Mode
VROTATE
On Entry:
On Return:
INT 10h, Function AH = 12E1h, Subfunction BL = FCh: Set Fixed Mode
VROTATE
On Entry:
On Return:
R
PEN*KEY 6100 Computer Programmer's Reference Guide
Conversions and Interfaces
6-55