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Switches to proper handling of the motor control and write protection.

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Per Understanding the Apple II the drive looks write protected  while phase 1 is enabled.
This commit is contained in:
Thomas Harte 2018-05-16 21:44:09 -04:00
parent 821d40fe74
commit 4c49963988
2 changed files with 10 additions and 5 deletions
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14
Components/DiskII/DiskII.cpp
View File

@ -36,9 +36,8 @@ void DiskII::set_control(Control control, bool on) {
case Control::P3: stepper_mask_ = (stepper_mask_ & 0x7) | (on ? 0x8 : 0x0); break;
case Control::Motor:
// TODO: does the motor control trigger both motors at once?
drives_[0].set_motor_on(on);
drives_[1].set_motor_on(on);
motor_is_enabled_ = on;
drives_[active_drive_].set_motor_on(on);
break;
}
@ -71,9 +70,14 @@ void DiskII::set_mode(Mode mode) {
void DiskII::select_drive(int drive) {
// printf("Select drive %d\n", drive);
active_drive_ = drive & 1;
if((drive&1) == active_drive_) return;
drives_[active_drive_].set_event_delegate(this);
drives_[active_drive_^1].set_event_delegate(nullptr);
drives_[active_drive_].set_motor_on(false);
active_drive_ = drive & 1;
drives_[active_drive_].set_motor_on(motor_is_enabled_);
}
void DiskII::set_data_register(uint8_t value) {
@ -134,7 +138,7 @@ void DiskII::set_controller_can_sleep() {
}
bool DiskII::is_write_protected() {
return true;
return !!(stepper_mask_ & 2) | drives_[active_drive_].get_is_read_only();
}
void DiskII::set_state_machine(const std::vector<uint8_t> &state_machine) {

1
Components/DiskII/DiskII.hpp
View File

@ -76,6 +76,7 @@ class DiskII:
bool drive_is_sleeping_[2];
bool controller_can_sleep_ = false;
int active_drive_ = 0;
bool motor_is_enabled_ = false;
void set_controller_can_sleep();
};