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fdc: fix relative seek

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Pavel Hrdina 2012-07-16 15:48:26 +02:00 committed by Kevin Wolf
parent 2f24e8fb8d
commit 6d013772c0
1 changed files with 6 additions and 4 deletions
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10
hw/fdc.c
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@ -1802,7 +1802,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct
}
}
static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
{
FDrive *cur_drv;
@ -1812,14 +1812,15 @@ static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
fd_seek(cur_drv, cur_drv->head, cur_drv->max_track - 1,
cur_drv->sect, 1);
} else {
fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1);
fd_seek(cur_drv, cur_drv->head,
cur_drv->track + fdctrl->fifo[2], cur_drv->sect, 1);
}
fdctrl_reset_fifo(fdctrl);
/* Raise Interrupt */
fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
}
static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
{
FDrive *cur_drv;
@ -1828,7 +1829,8 @@ static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
if (fdctrl->fifo[2] > cur_drv->track) {
fd_seek(cur_drv, cur_drv->head, 0, cur_drv->sect, 1);
} else {
fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1);
fd_seek(cur_drv, cur_drv->head,
cur_drv->track - fdctrl->fifo[2], cur_drv->sect, 1);
}
fdctrl_reset_fifo(fdctrl);
/* Raise Interrupt */