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Power Programmierung
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Power-Programmierung CD 2 (Tewi)(1994).iso
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weitek.txt
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1994-01-18
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2KB
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108 lines
Weitek
W5086
W5186 512K
W5286 1MB
Power 9000 Max 2MB. Not VGA compatible, but VGA chip can be added.
Power 9100 '94 version of 9000 with VGA part built in. can handle 4MB.
W5x86:
3C4h index 5 (W): Control Register 0
3C4h index 6 (W): Control Register 1
3C4h index 11h (R/W): Misc
bit 5 Clear to enable extensions
6 Clear to enable bank addressing
Note to update this register first the it must be read and the value rewritten
twice, then the changed value can be written
3C4h index 12h (R/W): Output Control
bit 5-6 3 for 640x480, 1 for 800x600, 0 else
3C4h index 13h (R/W): Memory Base
bit 0-3 Base Memory address
3CDh (R/W): Bank Register
bit 0-3 Write Bank
4-7 Read bank
3CEh index 0Ch (W): Extended Graphics
bit 1 Clock select bit 2 (Bits 0-1 are in 3C2h/Ch bits 2-3).
3CEh index 0Dh (R/W):
bit 3-4 Display Start Address bit 16-17
3d4h index 19h (R/W): Interlace
3d4h index 1Ah (R/W): Serial Start High
3d4h index 1Bh (R/W): Serial Start Low
3d4h index 1Ch (R/W): Serial Offset
ID Weitek VGA:
old:=rdinx(SEQ,$11);
outp(SEQ+1,old);
outp(SEQ+1,old);
outp(SEQ+1,inp(SEQ+1) or $20);
if not testinx(SEQ,$12) then
begin
x:=rdinx(SEQ,$11);
outp(SEQ+1,old);
outp(SEQ+1,old);
outp(SEQ+1,inp(SEQ+1) and $DF);
if testinx(SEQ,$12) and tstrg($3CD,$FF) then
begin
_Weitek chip_
end;
end;
wrinx(SEQ,$11,old);
Video Modes:
0054h T 132 43
0055h T 132 25
0056h T 132 43 4color
0057h T 132 25 4color
0058h G 800 600 16c PL4
0059h G 800 600 16c PL4
005Ch G 800 600 256c P8
005Dh G 1024 768 16c PL4
005Eh G 1024 768 256c P8
005Fh G 640 480 256c P8
0064h T 132 60
0065h T 132 50
0066h T 132 60 4c
0067h T 132 50 4c
0068h T 80 60
006Ah G 800 600 16c PL4
006Ch G 640 480 32Kc P15
006Dh G 800 600 32Kc P15
006Eh G 640 480 64Kc P16
006Fh G 800 600 64Kc P16
Power 9000:
3CDh (R/W): Bank Register:
bit 0-4 Bank number
5 Set if addressing Video Memory, clear if addressing the memory mapped
registers.
Note: 10h maps the memory mapped registers at A000h, 20h-3Fh maps the
Video Memory at A000h
4386-9h DAC
8386-9h DAC
C386-9h DAC