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i8271: unload head after programmed revolutions

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This commit is contained in:
Nigel Barnes 2016-01-31 15:02:47 +00:00
parent f924d4bd42
commit c147c4f953
2 changed files with 21 additions and 0 deletions
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20
src/devices/machine/i8271.cpp
View File

@ -88,6 +88,7 @@ void i8271_device::soft_reset()
flopi[i].live = false;
flopi[i].ready = get_ready(i);
}
hdl_cb(false);
set_irq(false);
set_drq(false);
command_pos = 0;
@ -887,6 +888,7 @@ void i8271_device::command_end(floppy_info &fi, bool data_completion)
{
logerror("%s: command done (%s) - %02x\n", tag(), data_completion ? "data" : "seek", rr);
fi.main_state = fi.sub_state = IDLE;
idle_icnt = 0;
main_phase = PHASE_RESULT;
set_irq(true);
}
@ -981,6 +983,7 @@ void i8271_device::seek_continue(floppy_info &fi)
void i8271_device::read_data_start(floppy_info &fi)
{
fi.main_state = READ_DATA;
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",
@ -1010,6 +1013,7 @@ void i8271_device::read_data_start(floppy_info &fi)
void i8271_device::scan_start(floppy_info &fi)
{
fi.main_state = SCAN_DATA;
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",
@ -1041,6 +1045,7 @@ void i8271_device::scan_start(floppy_info &fi)
void i8271_device::verify_data_start(floppy_info &fi)
{
fi.main_state = VERIFY_DATA;
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",
@ -1098,6 +1103,7 @@ void i8271_device::read_data_continue(floppy_info &fi)
return;
case SEEK_WAIT_STEP_TIME_DONE:
hdl_cb(true);
do {
if(fi.pcn > command[1])
fi.pcn--;
@ -1181,7 +1187,9 @@ void i8271_device::read_data_continue(floppy_info &fi)
void i8271_device::write_data_start(floppy_info &fi)
{
fi.main_state = WRITE_DATA;
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(),
command[0] & 0x04 ? " deleted" : "",
@ -1238,6 +1246,7 @@ void i8271_device::write_data_continue(floppy_info &fi)
return;
case SEEK_WAIT_STEP_TIME_DONE:
hdl_cb(true);
do {
if(fi.pcn > command[1])
fi.pcn--;
@ -1311,6 +1320,7 @@ int i8271_device::calc_sector_size(UINT8 size)
void i8271_device::format_track_start(floppy_info &fi)
{
fi.main_state = FORMAT_TRACK;
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",
@ -1364,6 +1374,7 @@ void i8271_device::format_track_continue(floppy_info &fi)
return;
case SEEK_WAIT_STEP_TIME_DONE:
hdl_cb(true);
do {
if(fi.pcn > command[1])
fi.pcn--;
@ -1402,6 +1413,7 @@ void i8271_device::format_track_continue(floppy_info &fi)
void i8271_device::read_id_start(floppy_info &fi)
{
fi.main_state = READ_ID;
hdl_cb(true);
fi.sub_state = HEAD_LOAD_DONE;
logerror("%s: command read id, rate=%d\n",
@ -1457,6 +1469,7 @@ void i8271_device::read_id_continue(floppy_info &fi)
return;
case SEEK_WAIT_STEP_TIME_DONE:
hdl_cb(true);
do {
if(fi.pcn > command[1])
fi.pcn--;
@ -1553,6 +1566,13 @@ void i8271_device::index_callback(floppy_image_device *floppy, int state)
continue;
}
if (fi.main_state == IDLE) {
idle_icnt++;
if (icnt != 0x0f && idle_icnt >= icnt) {
hdl_cb(false);
}
}
switch(fi.sub_state) {
case IDLE:
case SEEK_MOVE:

1
src/devices/machine/i8271.h
View File

@ -215,6 +215,7 @@ private:
UINT8 srate, hset, icnt, hload;
int sector_size;
int cur_rate;
int idle_icnt;
static std::string tts(attotime t);
std::string ttsn();