SECTION 6
Conversions and Interfaces
PEN*KEY
R
6200/6300 Hand-Held Computer Programmer’s Reference Guide 6-47
INT 10h, Function AX = 1130h: Get Font Information
BIOS
On Entry:
AH = 11h
AL = 30h
BH = Font code:
0 = Current INT 1Fh contents
1 = Current INT 43h contents
2 = ROM 8x14 font
3 = ROM 8x8 font (codes 0ć127)
4 = ROM 8x8 font (codes 128ć255)
5 = ROM alternative 9x14 font
6 = ROM 8x16 font
7 = ROM alternative 9x16 font.
On Return:
CX = Bytes per character
DL = Character rows on screen
ES:BP = Pointer to font table
Alternative Settings, Video
INT 10h, Function AH = 12h, BL = 10h: Get Video Configuration Information
BIOS
Returns configuration information for video system. Feature bits are set from
the input status register 0 in response to an output on the specified feature
control register bits:
Feature Bits (CH) Feature Control Output Bit Input Status Bit
0
0
5
1
0
6
2
1
5
3
1
6
4ć7
Not used
ććć
CL Bits 0ć3 indicate the state of VGA dip switches 1ć4.
On Entry:
AH = 12h
BL = 10h
On Return:
BH = Display type:
0 = Color
1 = Monochrome
BL = Memory installed on VGA board:
0 = 64k
1 = 128k
2 = 192k
3 = 256k
CH = Feature bits
CL = Switch settings
6. Conversions and
Interfaces
