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SIERRA.TXT
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1996-01-04
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1KB
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85 lines
Sierra superVGAs:
SC15064 Falcon/64
3C4h index 7h
bit 5-7 (R) Chip id. 4: 15064
3C4h index 11h
bit 5 Clear to enable extensions
6-7 Set to 0 to enable access >1Mb, 3 to disable banking?
Note: When unlocking read this register, write it back twice and write bit 5
back as 0.
3C4h index 13h (R/W):
bit 0-7 Linear Frame Buffer Address in units of 1Mb.
3C4h index 14h (R/W):
bit 4-5 CRTC Offset bits 8-9. Bits 0-7 are in 3d4h index 13h
3C4h index 15h (R/W):
bit 0-7 Read Bank in units of 32Kbytes
3CDh (R/W):
bit 0-7 Write Bank in units of 32Kbytes
3CEh index 05h (R/W):
bit 7 Set to enable the Linear Frame Buffer
Note: Bits 0-6 are standard VGA.
3CEh index 0Ch (R/W):
bit 0-1 Set to 3 to enable 16bits/pixel?
3d4h index 1Eh (R/W):
bit 0-3 Display Start Address bits 16-19. Bits 0-15 are in 3d4h index 0Ch,0Dh
Video modes:
58h G 800 600 16color
59h G 1600 1200 16color
5Ah G 1280 1024 16color
5Bh G 1280 1024 256color
5Ch G 800 600 256color
5Dh G 1024 768 16color
5Eh G 1024 768 256color
5Fh G 640 480 256color
60h G 1600 1280 256color
69h G 640 480 16Mcolor
6Eh G 640 480 32Kcolor
6Fh G 800 600 32Kcolor
70h G 800 600 16Mcolor
71h G 1024 768 32Kcolor
73h G 1024 768 16Mcolor
75h G 1280 1024 32Kcolor