diff options
author | Justin T. Gibbs <gibbs@FreeBSD.org> | 1996-01-05 16:11:49 +0000 |
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committer | Justin T. Gibbs <gibbs@FreeBSD.org> | 1996-01-05 16:11:49 +0000 |
commit | a27c063027db72132540215d585c64ec1ff93bbd (patch) | |
tree | d09174493286eec160b34b5eaa1b49e477758276 | |
parent | 28ae0646aa70f70bf239d14e4f78d72319a3550e (diff) |
Notes
-rw-r--r-- | sys/dev/aic7xxx/aic7xxx.seq | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/dev/aic7xxx/aic7xxx.seq b/sys/dev/aic7xxx/aic7xxx.seq index aeddef925a3f..1aa154cdbbda 100644 --- a/sys/dev/aic7xxx/aic7xxx.seq +++ b/sys/dev/aic7xxx/aic7xxx.seq @@ -880,14 +880,22 @@ mk_mesg1: */ inb_next: - mov NONE,SCSIDATL /*dummy read from latch to ACK*/ -inb_first: + call inb_last +inb_next_wait: test SSTAT1,PHASEMIS jnz mesgin_phasemis - test SSTAT0,SPIORDY jz inb_first /* wait for next byte */ + test SSTAT0,SPIORDY jz inb_next_wait /* wait for next byte */ +inb_first: mov DINDEX,SINDEX mov DINDIR,SCSIBUSL ret /*read byte directly from bus*/ inb_last: - mov NONE,SCSIDATL ret /*dummy read from latch to ACK*/ + clr STCNT2 + clr STCNT1 + mvi STCNT0,0x01 + mov NONE,SCSIDATL /*dummy read from latch to ACK*/ +inb_last_wait: + test SSTAT0,SDONE jz inb_last_wait /* Wait for completion */ + ret + mesgin_phasemis: |