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Merge pull request #1950 from shattered/_3aa32de

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misc. fixes exposed by Displaywriter WIP
This commit is contained in:
R. Belmont 2017-01-09 21:35:37 -05:00 committed by GitHub
commit d7dba2bd78
3 changed files with 15 additions and 5 deletions
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5
src/devices/machine/i8255.cpp
View File

@ -473,6 +473,11 @@ uint8_t i8255_device::read_pc()
{
// read data from port
data |= m_in_pc_cb(0) & mask;
if (port_c_upper_mode() == MODE_OUTPUT)
{
// read data from output latch
data |= m_output[PORT_C] & mask;
}
}
return data;

11
src/lib/formats/imd_dsk.cpp
View File

@ -492,10 +492,13 @@ bool imd_format::load(io_generic *io, uint32_t form_factor, floppy_image *image)
}
}
if(fm)
build_pc_track_fm(track, head, image, cell_count, sector_count, sects, gap_3);
else
build_pc_track_mfm(track, head, image, cell_count, sector_count, sects, gap_3);
if(sector_count) {
if(fm) {
build_pc_track_fm(track, head, image, cell_count, sector_count, sects, gap_3);
} else {
build_pc_track_mfm(track, head, image, cell_count, sector_count, sects, gap_3);
}
}
for(int i=0; i<sector_count; i++)
if(sects[i].data && (sects[i].data < &img[0] || sects[i].data >= (&img[0] + size)))

4
src/lib/formats/td0_dsk.cpp
View File

@ -889,7 +889,9 @@ bool td0_format::load(io_generic *io, uint32_t form_factor, floppy_image *image)
else
return false; // single side 3.5?
break;
}
} else
image->set_variant(floppy_image::SSDD);
break;
/* no break */
case 3:
if(head_count == 2)