SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 124

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

BIOS Functional Specification
SP2-18
Function 12h - Miscellaneous Functions
Return:
Input:
Return:
Input:
Return:
Input:
Return:
Input:
Return:
Input:
Return:
Input:
Return:
Input:
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
CX
DL
ES:BP
AH=12h
BL=10h
BL
BH
CL
CH
AH=12h
BL=20h
n/a
AH=12h
AL=30h
AL
AL=12h
AH=12h
BL=31h
AL
AL=12h
AH=12h
BL=32h
AL
AL=12h
AH=12h
BL=33h
AL
AL=12h
AH=12h
1 - Get INT 43 pointer
2 - Get ROM 8x14 pointer
3 - Get ROM 8x8 pointer
4 - Get ROM 8x8 pointer (128-255)
5 - Get 9x14 fudge table pointer
6 - Get ROM 8x16 pointer
7 - Get 9x16 fudge table pointer
(fudge font never used, but
point size returned should be valid)
Points
Rows
Table pointer
Miscellaneous Function
Return EGA information
Memory (0=64K, 1=128K, 2=192K, 3=256K)
0 = color mode active, 1 = mono mode active
Switch settings
Feature bits
Miscellaneous Function
Select EGA print screen routine
Miscellaneous Function
Set alpha mode scan count
0=200, 1=350, 2=400 scans
Miscellaneous Function
Palette load on mode set
0=enable, 1=disable
Miscellaneous Function
Video control
0=enable, 1=disable
Miscellaneous Function
gray-scale summing
0=enable, 1=disable
Miscellaneous Function
(VGA)
X15-SP-002-03
(VGA)
(VGA)
(VGA)
(VGA)
(VGA)
412-1.0
SPC8104