6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-06-25 18:30:07 +00:00
Code Issues Projects Releases Wiki Activity

Support reset.

Browse Source
This commit is contained in:
Thomas Harte 2024-02-14 22:22:42 -05:00
parent 0103761b7b
commit be11f31d5d
3 changed files with 24 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Components/AY38910/AY38910.cpp
View File

@ -376,6 +376,19 @@ void AY38910SampleSource<is_stereo>::set_control_lines(ControlLines control_line
update_bus(); update_bus();
} }
template <bool is_stereo>
void AY38910SampleSource<is_stereo>::reset() {
// TODO: the below is a guess. Look up real answers.
selected_register_ = 0;
std::fill(registers_, registers_ + 16, 0);
task_queue_.enqueue([&] {
std::fill(output_registers_, output_registers_ + 16, 0);
evaluate_output_volume();
});
}
template <bool is_stereo> template <bool is_stereo>
void AY38910SampleSource<is_stereo>::update_bus() { void AY38910SampleSource<is_stereo>::update_bus() {
// Assume no output, unless this turns out to be a read. // Assume no output, unless this turns out to be a read.

13
Components/AY38910/AY38910.hpp
View File

@ -81,6 +81,9 @@ template <bool stereo> class AY38910SampleSource {
/// Sets the current control line state, as a bit field. /// Sets the current control line state, as a bit field.
void set_control_lines(ControlLines control_lines); void set_control_lines(ControlLines control_lines);
/// Strobes the reset line.
void reset();
/*! /*!
Gets the value that would appear on the requested interface port if it were in output mode. Gets the value that would appear on the requested interface port if it were in output mode.
@parameter port_b @c true to get the value for Port B, @c false to get the value for Port A. @parameter port_b @c true to get the value for Port B, @c false to get the value for Port A.
@ -116,12 +119,12 @@ template <bool stereo> class AY38910SampleSource {
Concurrency::AsyncTaskQueue<false> &task_queue_; Concurrency::AsyncTaskQueue<false> &task_queue_;
int selected_register_ = 0; int selected_register_ = 0;
uint8_t registers_[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; uint8_t registers_[16]{};
uint8_t output_registers_[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; uint8_t output_registers_[16]{};
int tone_periods_[3] = {0, 0, 0}; int tone_periods_[3]{};
int tone_counters_[3] = {0, 0, 0}; int tone_counters_[3]{};
int tone_outputs_[3] = {0, 0, 0}; int tone_outputs_[3]{};
int noise_period_ = 0; int noise_period_ = 0;
int noise_counter_ = 0; int noise_counter_ = 0;

5
Machines/Apple/AppleII/Mockingboard.hpp
View File

@ -107,8 +107,9 @@ class Mockingboard: public Card {
) )
); );
// TODO: all lines disabled sees to map to reset? Possibly? if(!value) {
// Cf. https://gswv.apple2.org.za/a2zine/Docs/Mockingboard_MiniManual.html ay.reset();
}
} else { } else {
ay.set_data_input(value); ay.set_data_input(value);
} }