MB86296 Datasheet, PDF (286/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
MDR4 (Mode Register for BLT)
Register
address
DrawBaseAddress + 430H
Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit field name
LOG BM
TE
R/W
Initial value
RW RW
RW
0011 00
0
This register controls the BLT mode.
Bit 1
TE (Transparent Enable)
Sets transparent mode
0: Not perform transparent processing
1: Not draw pixels that corresponds to set transparent color in BLT (transparancy
copy)
Note: Set the blend mode (BM) to normal.
Bit 8 to 7
BM (Blend Mode)
Sets blend mode
00 Normal (source copy)
01 Reserved
10 Drawing with logic operation
11 Reserved
Bit 12 to 9
LOG (Logical operation)
Sets logic operation
0000 CLEAR
0001 AND
0010 AND REVERSE
0011 COPY
0100 AND INVERTED
0101 NOP
0110 XOR
0111 OR
1000 NOR
1001 EQUIV
1010 INVERT
1011 OR REVERSE
1100 COPY INVERTED
1101 OR INVERTED
1110 NAND
1111 SET
MB86296S<Coral-PA>
276
Specification Manual Rev0.1