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Adds joystick events to the Atari ST.

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This commit is contained in:
Thomas Harte
2019-11-09 18:39:22 -05:00
parent 2c25135d8a
commit 8e9428623e
2 changed files with 61 additions and 4 deletions
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Machines/Atari/ST/IntelligentKeyboard.cpp
+22 -4
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@@ -14,6 +14,10 @@ IntelligentKeyboard::IntelligentKeyboard(Serial::Line &input, Serial::Line &outp
input.set_read_delegate(this, Storage::Time(2, 15625));
output_line_.set_writer_clock_rate(15625);
// Add two joysticks into the mix.
joysticks_.emplace_back(new Joystick);
joysticks_.emplace_back(new Joystick);
mouse_button_state_ = 0;
mouse_movement_[0] = 0;
mouse_movement_[1] = 0;
@@ -40,7 +44,7 @@ ClockingHint::Preference IntelligentKeyboard::preferred_clocking() {
}
void IntelligentKeyboard::run_for(HalfCycles duration) {
// Take this opportunity to check for mouse and keyboard events,
// Take this opportunity to check for joystick, mouse and keyboard events,
// which will have been received asynchronously.
if(mouse_mode_ == MouseMode::Relative) {
const int captured_movement[2] = { mouse_movement_[0].load(), mouse_movement_[1].load() };
@@ -55,7 +59,7 @@ void IntelligentKeyboard::run_for(HalfCycles duration) {
post_relative_mouse_event(captured_movement[0], captured_movement[1]);
}
} else {
// TODO: absolute-mode mouse updates.
}
// Forward key changes; implicit assumption here: mutexs are cheap while there's
@@ -68,6 +72,17 @@ void IntelligentKeyboard::run_for(HalfCycles duration) {
key_queue_.clear();
}
// Check for joystick changes.
for(size_t c = 0; c < 2; ++c) {
const auto joystick = static_cast<Joystick *>(joysticks_[c].get());
if(joystick->has_event()) {
output_bytes({
uint8_t(0xfe | c),
joystick->get_state()
});
}
}
output_line_.advance_writer(duration);
}
@@ -346,9 +361,12 @@ void IntelligentKeyboard::set_joystick_interrogation_mode() {
}
void IntelligentKeyboard::interrogate_joysticks() {
const auto joystick1 = static_cast<Joystick *>(joysticks_[0].get());
const auto joystick2 = static_cast<Joystick *>(joysticks_[1].get());
output_bytes({
0xfd,
0x00,
0x00
joystick1->get_state(),
joystick2->get_state()
});
}