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Some work on the seek latency feature

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- temporarily disabled seek latency support for ATAPI command 0x2b until the
  seeking status is implemented correctly
- fix for the MSVC compilation fix (result was always 0.0)
This commit is contained in:
Volker Ruppert 2014-02-23 13:56:23 +00:00
parent c0fc06b433
commit c7f57b5547
1 changed files with 4 additions and 3 deletions
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7
bochs/iodev/harddrv.cc
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@ -1765,7 +1765,9 @@ void bx_hard_drive_c::write(Bit32u address, Bit32u value, unsigned io_len)
break;
}
BX_SELECTED_DRIVE(channel).cdrom.cd->seek(lba);
start_seek(channel);
// start_seek(channel);
atapi_cmd_nop(controller);
raise_interrupt(channel);
}
break;
@ -3466,9 +3468,8 @@ void bx_hard_drive_c::start_seek(Bit8u channel)
max_pos = BX_SELECTED_DRIVE(channel).cdrom.max_lba;
prev_pos = BX_SELECTED_DRIVE(channel).cdrom.curr_lba;
new_pos = BX_SELECTED_DRIVE(channel).cdrom.next_lba;
fSeekTime = 80000.0 * (double)(abs((int)(new_pos - prev_pos + 1)) / (max_pos + 1));
fSeekTime = 80000.0 * (double)abs((int)(new_pos - prev_pos + 1)) / (max_pos + 1);
} else {
max_pos = (BX_SELECTED_DRIVE(channel).hdimage->hd_size / 512) - 1;
// TODO: make HD seek latency variable
fSeekTime = 5000.0;
}