SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-51
INT 10h, Function AX = 12E0h, BL = FCh: Set Chase Mode
FONTMAP
Specific to NORAND computers, may not be PC compatible.
Forces the physical screen window to chase" the cursor around the screen.
On Entry:
AH = 12h
AL = 0E0h
BL = 0FCh
On Return:
None
INT 10h, Function AX = 12E1h, BL = FCh: Set Fixed Mode
FONTMAP
Specific to NORAND computers, may not be PC compatible.
Forces the physical screen window to remain fixed over the virtual screen
segment whose upper left corner is specified by the value in DX.
On Entry:
AH = 12h
AL = 0E1h
BL = 0FCh
DH = Row window coordinate
DL = Column window coordinate
On Return:
None
INT 10h, Function AH = 12h, BL = FDh: Return Physical Display Size
FONTMAP
Specific to NORAND computers, may not be PC compatible.
On Entry:
AH = 12h
BL = 0FDh
On Return:
AH = Number of rows
AL = Number of columns
INT10h, Function AH = 12h, BL = 0FEh: Read/Write Contrast
4000API, FONTMAP
Specific to NORAND computers, may not be PC compatible.
Returns or changes the current contrast setting. The range is 0 to 15. 0 is
darkest.
On Entry:
AH = 12h
BL = 0FEh
AL = Request type:
0 = Read
1 = Write
BH = Contrast level, if write request
On Return:
BH = Contrast level, if read request
6. Conversions and
Interfaces
