6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2026-04-25 11:17:26 +00:00
Code Issues Projects Releases Wiki Activity

Strips Controller of all capabilities now housed on the Drive.

Browse Source
This commit is contained in:
Thomas Harte
2017-09-10 19:23:23 -04:00
parent 523e1288fa
commit 0622187ddf
16 changed files with 124 additions and 295 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Components/1770/1770.cpp
+16 -16
View File
@@ -75,7 +75,7 @@ uint8_t WD1770::get_register(int address) {
switch(status_.type) {
case Status::One:
status |=
(get_is_track_zero() ? Flag::TrackZero : 0) |
(get_drive().get_is_track_zero() ? Flag::TrackZero : 0) |
(status_.seek_error ? Flag::SeekError : 0);
// TODO: index hole
break;
@@ -91,11 +91,11 @@ uint8_t WD1770::get_register(int address) {
}
if(!has_motor_on_line()) {
status |= get_drive_is_ready() ? 0 : Flag::NotReady;
status |= get_drive().get_is_ready() ? 0 : Flag::NotReady;
if(status_.type == Status::One)
status |= (head_is_loaded_ ? Flag::HeadLoaded : 0);
} else {
status |= (get_motor_on() ? Flag::MotorOn : 0);
status |= (get_drive().get_motor_on() ? Flag::MotorOn : 0);
if(status_.type == Status::One)
status |= (status_.spin_up ? Flag::SpinUp : 0);
}
@@ -145,7 +145,7 @@ void WD1770::run_for(const Cycles cycles) {
#define LINE_LABEL INDIRECT_CONCATENATE(label, __LINE__)
#define SPIN_UP() \
set_motor_on(true); \
get_drive().set_motor_on(true); \
index_hole_count_ = 0; \
index_hole_count_target_ = 6; \
WAIT_FOR_EVENT(Event1770::IndexHoleTarget); \
@@ -178,7 +178,7 @@ void WD1770::posit_event(int new_event_type) {
// motor power-down
if(index_hole_count_ == 9 && !status_.busy && has_motor_on_line()) {
set_motor_on(false);
get_drive().set_motor_on(false);
}
// head unload
@@ -257,7 +257,7 @@ void WD1770::posit_event(int new_event_type) {
goto test_type1_type;
begin_type1_spin_up:
if((command_&0x08) || get_motor_on()) goto test_type1_type;
if((command_&0x08) || get_drive().get_motor_on()) goto test_type1_type;
SPIN_UP();
test_type1_type:
@@ -280,11 +280,11 @@ void WD1770::posit_event(int new_event_type) {
if(step_direction_) track_++; else track_--;
perform_step:
if(!step_direction_ && get_is_track_zero()) {
if(!step_direction_ && get_drive().get_is_track_zero()) {
track_ = 0;
goto verify;
}
step(step_direction_ ? 1 : -1);
get_drive().step(step_direction_ ? 1 : -1);
unsigned int time_to_wait;
switch(command_ & 3) {
default:
@@ -376,7 +376,7 @@ void WD1770::posit_event(int new_event_type) {
goto test_type2_delay;
begin_type2_spin_up:
if(get_motor_on()) goto test_type2_delay;
if(get_drive().get_motor_on()) goto test_type2_delay;
// Perform spin up.
SPIN_UP();
@@ -386,7 +386,7 @@ void WD1770::posit_event(int new_event_type) {
WAIT_FOR_TIME(30);
test_type2_write_protection:
if(command_&0x20 && get_drive_is_read_only()) {
if(command_&0x20 && get_drive().get_is_read_only()) {
update_status([] (Status &status) {
status.write_protect = true;
});
@@ -541,7 +541,7 @@ void WD1770::posit_event(int new_event_type) {
});
WAIT_FOR_EVENT(Event::DataWritten);
if(status_.data_request) {
end_writing();
get_drive().end_writing();
update_status([] (Status &status) {
status.lost_data = true;
});
@@ -554,7 +554,7 @@ void WD1770::posit_event(int new_event_type) {
write_crc();
write_byte(0xff);
WAIT_FOR_EVENT(Event::DataWritten);
end_writing();
get_drive().end_writing();
if(command_ & 0x10) {
sector_++;
@@ -594,7 +594,7 @@ void WD1770::posit_event(int new_event_type) {
goto type3_test_delay;
begin_type3_spin_up:
if((command_&0x08) || get_motor_on()) goto type3_test_delay;
if((command_&0x08) || get_drive().get_motor_on()) goto type3_test_delay;
SPIN_UP();
type3_test_delay:
@@ -675,7 +675,7 @@ void WD1770::posit_event(int new_event_type) {
});
write_track_test_write_protect:
if(get_drive_is_read_only()) {
if(get_drive().get_is_read_only()) {
update_status([] (Status &status) {
status.write_protect = true;
});
@@ -755,11 +755,11 @@ void WD1770::posit_event(int new_event_type) {
update_status([] (Status &status) {
status.lost_data = true;
});
end_writing();
get_drive().end_writing();
goto wait_for_command;
}
if(index_hole_count_) {
end_writing();
get_drive().end_writing();
goto wait_for_command;
}