SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 128
SPC8104
Manufacturer Part Number
SPC8104
Description
VGA LCD CONTROLLER
Manufacturer
S-MOS Systems
Datasheet
1.SPC8104.pdf
(306 pages)
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Part Number:
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BIOS Functional Specification
SP2-22
Offsets
Video Hardware Status
Video Data Arena
00h
02h
04h
06h 0Dh x DW
00h
01h
02h
03h
04h
05h 4h x DB
09h
0Ah 19h x DB
23h 14h x DB
37h 9h x DB
40h
42h 4h x DB
00h
01h
02h
04h
06h
08h
18h
1Ah
1Bh
1Dh
1Eh
1Fh
0h
22h
23h
24h
25h
26h
2Ah
2Eh
32h
36h
S-MOS Systems, Inc. • Tel: (408) 922-0200 • Fax: (408) 922-0238 • http://www.smos.com
8h x DW
DW
DW
DW
DB
DB
DB
DB
DB
DB
DW
DB
DB
DW
DW
DW
DW
DB
DW
DB
DB
DB
DW
DB
DB
DB
DB
DD
DD
DD
DD
DD
Offset to the Video Hardware Status buffer
Offset to the Video Data Arena buffer
Offset to the DAC and Color Registers buffer
Reserved (uninitialized)
Sequencer (3C4) index
CRTC (3D4) index
Graphics controller (3CE) index
Attributes controller (3C0) index
Feature control register (3DA) data
Sequencer data
Misc. output register (3C2) data
CRTC data
Attributes controller data
Graphics controller data
CRTC base port
Latch data
EquipLow AND 30h
CRTMode
CRTColumns
VRAMPageLength
VRAMStartAddr
CursorRowCol
CursorType
ActivePage
CRTCAddr
Port3D8Data
Port3D9Data
MaxRow
Points
EGAInfo
DIPInfo
VGAInfo
DCCIndex
SavePtr
Vec05
Vec1D
Vec1F
Vec43
X15-SP-002-03
412-1.0
SPC8104
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