SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-29
Table 6Ć3 (Continued)
FONTMAP Interrupts Supported
INT #
Register Values
FONTMAP Interrupts
Return Pointer to Current Display Parameters
AH=12h BL=FBh
Return Invert Mode
AX=12DDh BL=FCh
Enable Invert Mode
AX=12DEh BL=FCh
Disable Invert Mode
AX=12DFh BL=FCh
Set Chase Mode
AX=12E0h BL=FCh
Set Fixed Mode
AH=12E1h BL=FCh
Return Physical Display Size
AH=12h BL=FDh
Read/Write Contrast
AH=12h BL=FEh
Backlight Off/On
AH=12h BL=FFh
Load User Font
AX=1400h
Load System Default Font
AX=1401h
Unsupported 4000 Series Video Interrupts
The following functions remain unimplemented within FONTMAP.EXE:
"
Function AX = 12E2h: Set 16Ćline display parameter packet
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Function AX = 12E3h: Set Graphics Mode
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Function AH = 12h, Subfunction BL = 0FDh: Return Physical Display Size
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Function AH = 0FEh: Get Video Buffer Address
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Function AX = 0FFh: Refresh the Screen
6. Conversions and
Interfaces
