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i8271: Invert signal to seek/step when writing to drive control port. Fixes MT07674 [crazyc]

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This commit is contained in:
Nigel Barnes 2020-06-15 13:30:32 +01:00
parent 469e50bc20
commit c6b0a57f4f
1 changed files with 15 additions and 24 deletions
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39
src/devices/machine/i8271.cpp
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@ -787,9 +787,8 @@ void i8271_device::start_command(int cmd)
break;
}
case C_SPECIFY:
logerror("%s: command specify %02x %02x %02x %02x\n",
tag(), command[1],
command[2], command[3], command[4]);
logerror("command specify %02x %02x %02x %02x\n",
command[1], command[2], command[3], command[4]);
switch(command[1]) {
case 0x0d:
srate = command[2];
@ -894,7 +893,7 @@ void i8271_device::start_command(int cmd)
floppy_info &fi = flopi[BIT(command[0], 7)];
if (fi.dev) {
fi.dev->dir_w(BIT(command[2], 2));
fi.dev->stp_w(BIT(command[2], 1));
fi.dev->stp_w(!BIT(command[2], 1));
}
opt_cb(BIT(command[2], 5));
hdl_cb(BIT(command[2], 3));
@ -912,7 +911,7 @@ void i8271_device::start_command(int cmd)
void i8271_device::command_end(floppy_info &fi, bool data_completion)
{
logerror("%s: command done (%s) - %02x\n", tag(), data_completion ? "data" : "seek", rr);
logerror("command done (%s) - %02x\n", data_completion ? "data" : "seek", rr);
fi.main_state = fi.sub_state = IDLE;
idle_icnt = 0;
main_phase = PHASE_RESULT;
@ -921,7 +920,7 @@ void i8271_device::command_end(floppy_info &fi, bool data_completion)
void i8271_device::recalibrate_start(floppy_info &fi)
{
logerror("%s: command recalibrate\n", tag());
logerror("command recalibrate\n");
fi.main_state = RECALIBRATE;
fi.sub_state = SEEK_WAIT_STEP_TIME_DONE;
fi.dir = 1;
@ -931,7 +930,7 @@ void i8271_device::recalibrate_start(floppy_info &fi)
void i8271_device::seek_start(floppy_info &fi)
{
logerror("%s: command seek %d\n", tag(), command[1]);
logerror("command seek %d\n", command[1]);
fi.main_state = SEEK;
fi.sub_state = SEEK_WAIT_STEP_TIME_DONE;
fi.dir = fi.pcn > command[1] ? 1 : 0;
@ -1012,8 +1011,7 @@ void i8271_device::read_data_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command read%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
tag(),
logerror("command read%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
command[0] & 0x04 ? " deleted" : "",
command[0] & 0x01 ? " multi" : "",
command[0],
@ -1042,8 +1040,7 @@ void i8271_device::scan_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command scan%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
tag(),
logerror("command scan%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
command[0] & 0x04 ? " deleted" : "",
command[0] & 0x01 ? " multi" : "",
command[0],
@ -1074,8 +1071,7 @@ void i8271_device::verify_data_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command verify%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
tag(),
logerror("command verify%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
command[0] & 0x04 ? " deleted" : "",
command[0] & 0x01 ? " multi" : "",
command[0],
@ -1160,8 +1156,7 @@ void i8271_device::read_data_continue(floppy_info &fi)
live_start(fi, SEARCH_ADDRESS_MARK_HEADER);
return;
}
logerror("%s: reading sector %02x %02x %02x %02x\n",
tag(),
logerror("reading sector %02x %02x %02x %02x\n",
cur_live.idbuf[0],
cur_live.idbuf[1],
cur_live.idbuf[2],
@ -1216,8 +1211,7 @@ void i8271_device::write_data_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command write%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
tag(),
logerror("command write%s data%s cmd=%02x crn=(%d, %d, %d) len=%02x rate=%d\n",
command[0] & 0x04 ? " deleted" : "",
command[0] & 0x01 ? " multi" : "",
command[0],
@ -1349,8 +1343,7 @@ void i8271_device::format_track_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command format track c=%02x n=%02x sc=%02x gap3=%02x gap5=%02x gap1=%02x\n",
tag(),
logerror("command format track c=%02x n=%02x sc=%02x gap3=%02x gap5=%02x gap1=%02x\n",
command[1], command[3] >> 5, command[3] & 0x1f, command[2], command[4], command[5]);
rr = ERR_NONE;
@ -1418,7 +1411,7 @@ void i8271_device::format_track_continue(floppy_info &fi)
return;
case WAIT_INDEX_DONE:
logerror("%s: index found, writing track\n", tag());
logerror("index found, writing track\n");
fi.sub_state = TRACK_DONE;
cur_live.pll.start_writing(machine().time());
set_drq(true);
@ -1442,9 +1435,7 @@ void i8271_device::read_id_start(floppy_info &fi)
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command read id, rate=%d\n",
tag(),
cur_rate);
logerror("command read id, rate=%d\n", cur_rate);
rr = ERR_NONE;
@ -1734,7 +1725,7 @@ void i8271_device::live_write_fm(uint8_t fm)
bool i8271_device::sector_matches() const
{
if(0)
logerror("%s: matching %02x %02x %02x - %02x %02x %02x\n", tag(),
logerror("matching %02x %02x %02x - %02x %02x %02x\n",
cur_live.idbuf[0], cur_live.idbuf[2], cur_live.idbuf[3],
command[1], command[2], command[3] >> 5);
return