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ap_dsk35: Punt 1.44MB dc42 images to the PC MFM handler, which knows how to read them [R. Belmont]

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arbee 2021-04-10 13:45:08 -04:00
parent e56f56d624
commit 6cea28b066
1 changed files with 8 additions and 0 deletions
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8
src/lib/formats/ap_dsk35.cpp
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@ -1244,6 +1244,14 @@ int dc42_format::identify(io_generic *io, uint32_t form_factor, const std::vecto
uint32_t dsize = (h[0x40] << 24) | (h[0x41] << 16) | (h[0x42] << 8) | h[0x43];
uint32_t tsize = (h[0x44] << 24) | (h[0x45] << 16) | (h[0x46] << 8) | h[0x47];
uint8_t encoding = h[0x50];
uint8_t format = h[0x51];
// if it's a 1.44MB DC42 image, reject it so the generic PC MFM handler picks it up
if ((encoding == 0x03) && (format == 0x02))
{
return 0;
}
return size == 0x54+tsize+dsize && h[0] < 64 && h[0x52] == 1 && h[0x53] == 0 ? 100 : 0;
}