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- MX 68010 1MB, 1024x768x26colors
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- 3C4h index A7h (W?): Enable extensions
- bit 0-7 Writing 87h to this register enables the MXIC extensions,
- writing 0 disables them.
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- 3C4h index C2h (R/W):
- bit 2-3 Video RAM installed: 0=256k, 1=512k, 2=1M
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- 3C4h index C3h (R/W):
- bit 7 Bus width?. 0=8 bit, 1=16 bit.
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- 3C4h index C5h (R/W): Bank register
- bit 0-3 Write bank in 64k blocks.
- 4-7 Read bank in 64k blocks
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- Test for MXIC chip:
-
- wrinx($3C4,$A7,0); {Disable extensions}
- if not testinx($3C4,$c5) then
- begin
- wrinx($3C4,$a7,$87);
- if testinx($3C4,$c5) then MXIC!!!;
- end;
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- Video modes:
- 50h T 132 25 16 (8x16)
- 51h T 132 30 16 (8x16)
- 55h G 800 600 16 planar
- 56h G 1024 768 16 planar
- 57h G 640 350 256 packed
- 58h G 640 400 256 packed
- 59h G 640 480 256 packed
- 5Ah G 800 600 256 packed
- 5Bh G 1024 768 256 packed
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