SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 119

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

SPC8104
Function 09h - Write Character/attribute at Cursor Position
Function 0Ah - Write Character Only at Cursor Position
Function 0Bh - Set Color Palette
Function 0Ch - Write Dot
Function 0Dh - Read Dot
412-1.0
Input:
Return:
Destroyed: AX, SI, DI, (and DS if text modes)
Input:
Return:
Destroyed: AX, SI, DI, (and DS if text modes)
Input:
Return:
Input:
Return:
Input:
Return:
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
AH=09h
AL
BL
BH
CX
n/a
AH=0Ah
AL
BH
CX
n/a
AH=0Bh
BH=0
BH=1
n/a
AH=0Ch
AL
BH
CX
DX
n/a
AH=0Dh
BH
CX
DX
AL
Write Character/attribute at Cursor Position
Character to write
Character attribute/color (b7 set for XOR)
Page number (Background color in Mode 13)
Character count
Write Character only at Cursor Position
Character to write
Page number
Character count
Set Color Palette
(selects background color)
BL=0-Fh
(selects palette)
BL=0
BL=1
Write Dot
Color (b7 set for XOR)
Page number
Column
Row
Read Dot
Page number
Column
Row
Dot color
(Green, Red, Brown)
(Cyan, Magenta, White)
Background color
X15-SP-002-03
BIOS Functional Specification
SP2-13