Intermec 6100 Reference Guide
SECTION 6
Conversions and Interfaces
PEN*KEY
R
6100 Computer Programmer’s Reference Guide 6-59
INT 10h, Function AX = 7F30h: Disable Shadow Buffer Updates
VROTATE
Disables the updates to the text shadows buffer. The shadow buffer repaints and
Disables the updates to the text shadows buffer. The shadow buffer repaints and
does some scroll operation, along with normal video BIOS calls to get the characĆ
ter and screen attributes. The effect is disabling the shadow buffer is that a reĆ
paint or other operation is based upon old screen data.
On Entry:
On Entry:
AH = 7Fh
AL = 30h
On Return:
AH = Error code (0 = successful)
AL = 7Fh
INT 10h, Function AX = 7F32h: Disable Rotated Video
VROTATE
Disables the rotated text driver to manage the screen.
On Entry:
Disables the rotated text driver to manage the screen.
On Entry:
AH = 7Fh
AL = 32h
On Return:
AH = Error code (0 = successful)
AL = 7Fh
INT 10h, Function AX = 7F33h: Enable Rotated Video
VROTATE
Enables the rotated text driver to manage the screen.
On Entry:
Enables the rotated text driver to manage the screen.
On Entry:
AH = 7Fh
AL = 33h
On Return:
AH = Error code (0 = successful)
AL = 7Fh
Disk Services: Interrupt 13h
INT 13h, Function AH = 00h: Reset Disk System
BIOS
Unsupported and always returns the carry clear and AH = 0.
On Entry:
Unsupported and always returns the carry clear and AH = 0.
On Entry:
AH = 00h
DL = Drive number
On Return:
Carry = Set (if AH is nonzero)
AH = Disk status
6. Conversions and
Interfaces