SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 208

• Manufacturer Part Number: SPC8106
• Description: LCD/CRT VGA CONTROLLER
• Manufacturer: S-MOS Systems

BIOS Functional Specification
SP2-38
Function FFh - Chip Specific Function
Input:
Return:
Input:
Return:
15 14 13 12 11 10 9 8
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AH=7Fh
AL=FFh
BL=00h
CX
DH
AX
AH=7Fh
AL=FFh
BL=01h
AX=
BH=
BL=
CX=
DH=
SOLLEX Support
Chip Specific Function
Set
Requested State
Graphic expansion line number (if D8 of CX is 1)
Status
SOLLEX Support
Chip Specific Function
Get
Status
Chip Revision Product Code
Chip Revision
Current State
Graphic expansion line number (if D8 of CX is 1)
B i t s
7 6 5 4 3 2 1 0
Table 0-8 Chip Specific Function
X12-SP-002-03.1
IRQ Enable
Reserved
GS Weighting 0=NTSC, 1=Green Only
Reserved
Slow Cursor Enable
Reserved
Graphics Expansion Enable
Allow Simultaneous Display
Allow Simultaneous Display without Error Checking
Reserved
411-1.0
SPC8106