M69030 Asiliant Technologies, M69030 Datasheet - Page 160
M69030
Manufacturer Part Number
M69030
Description
Manufacturer
Asiliant Technologies
Datasheet
1.M69030.pdf
(387 pages)
Specifications of M69030
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Rad Hardened
No
Lead Free Status / Rohs Status
Supplier Unconfirmed
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M69030
Manufacturer:
CHIPS
Quantity:
20 000
Part Number:
M69030P
Manufacturer:
MIT
Quantity:
20 000
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11-4
GR03
read/write at I/O address 3CFh with index at address 3CEh set to 03h
shared by both pipelines A and B
7-5
4-3
2-0
`efmp
A
&
B
Reserved
Function Select
Rotate Count
69030 Databook
7
Data Rotate Register
These bits specify the logical function (if any) to be performed on data that is meant to be
written to the frame buffer (using the contents of the memory read latch) just before it is
actually stored in the frame buffer at the intended address location.
These bits specify the number of bits to the right to rotate any data that is meant to be
written to the frame buffer just before it is actually stored in the frame buffer at the intended
address location.
4 5
0 0
0 1
1 0
1 1
Bit
Reserved
6
Data being written to the frame buffer remains unchanged, and is simply
stored in the frame buffer.
Data being written to the frame buffer is logically ANDed with the data in
the memory read latch before it is actually stored in the frame buffer.
Data being written to the frame buffer is logically ORed with the data in
the memory read latch before it is actually stored in the frame buffer.
Data being written to the frame buffer is logically XORed with the data in
the memory read latch before it is actually stored in the frame buffer.
5
Graphics Controller Registers
4
Function Select
Result
3
2
Rotate Count
Revision 1.3 11/24/99
1
0
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