F65510 Start Address High Register - Intel Corporation

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F65510

Manufacturer Part Number
F65510
Description
Controllers, Flat Panel VGA Controller
Manufacturer
Intel Corporation
Datasheet
®
START ADDRESS HIGH REGISTER (CR0C)
Read/Write at I/O Address 3B5h/3D5h
Index 0Ch
D7 D6 D5 D4 D3 D2 D1 D0
Display Start Address High
7-0
Display Start Address High
This register contains the upper 8 bits of the
display start address. In CGA / MDA /
Hercules modes, this register wraps around
at the 16K, 32K, and 64Kbyte boundaries
respectively.
START ADDRESS LOW REGISTER (CR0D)
Read/Write at I/O Address 3B5h/3D5h
Index 0Dh
D7 D6 D5 D4 D3 D2 D1 D0
Display Start Address Low
7-0
Display Start Address Low
This register contains the lower 8 bits of the
display start address. The display start
address points to the memory address
corresponding to the top left corner of the
screen.
Revision 0.7
CURSOR LOCATION HIGH REGISTER (CR0E)
Read/Write at I/O Address 3B5h/3D5h
Index 0Eh
D7 D6 D5 D4 D3 D2 D1 D0
(Upper 8 bits)
7-0
CURSOR LOCATION LOW REGISTER (CR0F)
Read/Write at I/O Address 3B5h/3D5h
Index 0Fh
D7 D6 D5 D4 D3 D2 D1 D0
(Lower 8 bits)
7-0
52
CRT Controller Registers
Text Cursor Address
(Upper 8 bits)
Cursor Location High
This register contains the upper 8 bits of the
memory address where the text cursor is
active. In CGA / MDA / Hercules modes,
this register wraps around at 16K, 32K, and
64Kbyte boundaries respectively.
Text Cursor Address
(Lower 8 bits)
Cursor Location Low
This register contains the lower 8 bits of the
memory address where the text cursor is
active. In CGA / MDA / Hercules modes,
this register wraps around at 16K, 32K, and
64Kbyte boundaries respectively.
Preliminary 65510

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