/* motor on, active low */
void floppy_image_device::mon_w(int state)
{
if(mon == state)
return;
mon = state;
/* off -> on */
if (!mon && image)
{
revolution_start_time = machine().time();
ready_counter = 2;
index_resync();
}
/* on -> off */
else {
if(image_dirty)
commit_image();
revolution_start_time = attotime::never;
index_timer->adjust(attotime::zero);
if(!ready) {
ready = true;
if(!cur_ready_cb.isnull())
cur_ready_cb(this, ready);
}
}
}
bool floppy_image_device::call_load()
{
io_generic io;
// Do _not_ remove this cast otherwise the pointer will be incorrect when used by the ioprocs.
io.file = (device_image_interface *)this;
io.procs = &image_ioprocs;
io.filler = 0xff;
int best = 0;
floppy_image_format_t *best_format = 0;
for(floppy_image_format_t *format = fif_list; format; format = format->next) {
int score = format->identify(&io, form_factor);
if(score > best) {
best = score;
best_format = format;
}
}
if(!best_format)
return IMAGE_INIT_FAIL;
image = global_alloc(floppy_image(tracks, sides, form_factor));
best_format->load(&io, form_factor, image);
revolution_start_time = attotime::never;
revolution_count = 0;
index_resync();
image_dirty = false;
output_format = 0;
if (!cur_load_cb.isnull())
return cur_load_cb(this);
return IMAGE_INIT_PASS;
}
bool floppy_image_device::call_load()
{
io_generic io;
// Do _not_ remove this cast otherwise the pointer will be incorrect when used by the ioprocs.
io.file = (device_image_interface *)this;
io.procs = &image_ioprocs;
io.filler = 0xff;
int best = 0;
floppy_image_format_t *best_format = 0;
for(floppy_image_format_t *format = fif_list; format; format = format->next) {
int score = format->identify(&io, form_factor);
if(score > best) {
best = score;
best_format = format;
}
}
if(!best_format)
{
seterror(IMAGE_ERROR_INVALIDIMAGE, "Unable to identify the image format");
return IMAGE_INIT_FAIL;
}
image = global_alloc(floppy_image(tracks, sides, form_factor));
best_format->load(&io, form_factor, image);
output_format = is_readonly() ? 0 : best_format;
revolution_start_time = mon ? attotime::never : machine().time();
revolution_count = 0;
index_resync();
image_dirty = false;
wpt = 1; // disk sleeve is covering the sensor
if (!cur_wpt_cb.isnull())
cur_wpt_cb(this, wpt);
wpt = is_readonly() || (output_format == 0);
if (!cur_wpt_cb.isnull())
cur_wpt_cb(this, wpt);
if (!cur_load_cb.isnull())
return cur_load_cb(this);
if(!mon)
ready_counter = 2;
return IMAGE_INIT_PASS;
}
/* motor on, active low */
void floppy_image_device::mon_w(int state)
{
if(mon == state)
return;
mon = state;
/* off -> on */
if (!mon && image)
{
revolution_start_time = machine().time();
index_resync();
}
/* on -> off */
else {
if(image_dirty)
commit_image();
revolution_start_time = attotime::never;
index_timer->adjust(attotime::zero);
}
}
void floppy_image_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
index_resync();
}
