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Allow potentometer inputs to be set; disable SID by default.

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This commit is contained in:
Thomas Harte
2025-11-13 18:05:13 -05:00
parent 5b4f303e35
commit c4fe38a61f
3 changed files with 10 additions and 3 deletions
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2
Analyser/Static/Acorn/Target.hpp
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@@ -44,7 +44,7 @@ struct BBCMicroTarget: public ::Analyser::Static::Target, public Reflection::Str
bool has_1770dfs = false; bool has_1770dfs = false;
bool has_adfs = false; bool has_adfs = false;
bool has_sideways_ram = true; bool has_sideways_ram = true;
bool has_beebsid = true; // TODO: false is a much better default. bool has_beebsid = false;
ReflectableEnum(TubeProcessor, None, WDC65C02, Z80); ReflectableEnum(TubeProcessor, None, WDC65C02, Z80);
TubeProcessor tube_processor = TubeProcessor::None; TubeProcessor tube_processor = TubeProcessor::None;

8
Components/SID/SID.cpp
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@@ -88,6 +88,10 @@ void SID::write(const Numeric::SizedInt<5> address, const uint8_t value) {
}); });
} }
void SID::set_potentometer_input(const int index, const uint8_t value) {
potentometers_[index] = value;
}
void SID::update_filter() { void SID::update_filter() {
using Type = SignalProcessing::BiquadFilter::Type; using Type = SignalProcessing::BiquadFilter::Type;
Type type = Type::AllPass; Type type = Type::AllPass;
@@ -136,8 +140,8 @@ uint8_t SID::read(const Numeric::SizedInt<5> address) {
switch(address.get()) { switch(address.get()) {
default: return last_write_; default: return last_write_;
case 0x19: return 0x00; // TODO: potentometer x. case 0x19: return potentometers_[0];
case 0x1a: return 0x00; // TODO: potentometer y. case 0x1a: return potentometers_[1];
case 0x1b: case 0x1b:
case 0x1c: case 0x1c:

3
Components/SID/SID.hpp
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@@ -96,6 +96,7 @@ public:
void write(Numeric::SizedInt<5> address, uint8_t value); void write(Numeric::SizedInt<5> address, uint8_t value);
uint8_t read(Numeric::SizedInt<5> address); uint8_t read(Numeric::SizedInt<5> address);
void set_potentometer_input(int index, uint8_t value);
// Outputs::Speaker::BufferSource. // Outputs::Speaker::BufferSource.
template <Outputs::Speaker::Action action> template <Outputs::Speaker::Action action>
@@ -120,6 +121,8 @@ private:
void update_filter(); void update_filter();
SignalProcessing::BiquadFilter output_filter_; SignalProcessing::BiquadFilter output_filter_;
uint8_t potentometers_[2]{};
}; };
} }