Intermec PENKEY 6100 Programmer's Reference Manual page 188

Conversions and Interfaces
INT 10h, Function AH = 12h, Subfunction 31h: Enable/Disable Default Palette
BIOS
On Entry:
On Return:
INT 10h, Function AH = 12h, Subfunction 32h: Enable/Disable Video
BIOS
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INT 10h, Function AH = 12h, Subfunction 33h: Enable/Disable Gray Scale
BIOS
On Entry:
On Return:
INT 10h, Function AH = 12h, Subfunction 34h: Enable/Disable Cursor
BIOS
On Entry:
On Return:
R
6-52 PEN*KEY 6100 Computer Programmer's Reference Guide
On Entry:
On Return:
SECTION 6
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Summing
Emulation