6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-02-20 14:29:11 +00:00
Code Issues Projects Releases Wiki Activity

Extend PAL/NTSC selection to audio.

Browse Source
This commit is contained in:
Thomas Harte 2025-01-08 20:27:37 -05:00
parent 8219beeb1a
commit 6fa29c204b
2 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Machines/Commodore/Plus4/Audio.hpp
View File

@ -78,7 +78,7 @@ public:
});
}
void set_constrol(uint8_t value) {
void set_control(const uint8_t value) {
audio_queue_.enqueue([this, value] {
volume_ = std::min(value & 0xf, 8); // Only nine volumes are available.
masks_[0] = (value & 0x10) ? 1 : 0;
@ -90,6 +90,12 @@ public:
});
}
void set_divider(const uint8_t value) {
audio_queue_.enqueue([this, value] {
frequency_multiplier_ = value & 0x40 ? 4 : 5;
});
}
private:
// Calling-thread state.
Concurrency::AsyncTaskQueue<false> &audio_queue_;

8
Machines/Commodore/Plus4/Plus4.cpp
View File

@ -347,7 +347,11 @@ public:
case 0xff04: timers_.write<4>(*value); break;
case 0xff05: timers_.write<5>(*value); break;
case 0xff06: video_.write<0xff06>(*value); break;
case 0xff07: video_.write<0xff07>(*value); break;
case 0xff07:
video_.write<0xff07>(*value);
update_audio();
audio_.set_divider(*value);
break;
case 0xff08:
// Observation here: the kernel posts a 0 to this
// address upon completing each keyboard scan cycle,
@ -398,7 +402,7 @@ public:
case 0xff11:
ff11_ = *value;
update_audio();
audio_.set_constrol(*value);
audio_.set_control(*value);
break;
case 0xff12:
ff12_ = *value & 0x3f;