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Add advised brackets; clarify type punning.

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This commit is contained in:
Thomas Harte 2021-07-18 22:11:11 -04:00
parent eab9bc1503
commit cfaf4a8a65
2 changed files with 9 additions and 5 deletions
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12
Machines/Enterprise/Dave.cpp
View File

@ -100,12 +100,16 @@ void Audio::update_channel(int c) {
}
void Audio::get_samples(std::size_t number_of_samples, int16_t *target) {
int16_t output_level[2];
struct Frame {
int16_t left, right;
} output_level;
Frame *target_frames = reinterpret_cast<Frame *>(target);
size_t c = 0;
while(c < number_of_samples) {
// I'm unclear on the details of the time division multiplexing so,
// for now, just sum the outputs.
output_level[0] =
output_level.left =
volume_ *
(use_direct_output_[0] ?
channels_[0].amplitude[0]
@ -116,7 +120,7 @@ void Audio::get_samples(std::size_t number_of_samples, int16_t *target) {
noise_.amplitude[0] * noise_.final_output
));
output_level[1] =
output_level.right =
volume_ *
(use_direct_output_[1] ?
channels_[0].amplitude[1]
@ -129,7 +133,7 @@ void Audio::get_samples(std::size_t number_of_samples, int16_t *target) {
while(global_divider_ && c < number_of_samples) {
--global_divider_;
*reinterpret_cast<uint32_t *>(&target[c << 1]) = *reinterpret_cast<uint32_t *>(output_level);
target_frames[c] = output_level;
++c;
}

2
Machines/Enterprise/Enterprise.cpp
View File

@ -448,7 +448,7 @@ template <bool has_disk_controller, bool is_6mhz> class ConcreteMachine:
// Dave delays (i.e. those affecting memory areas not associated with Nick)
// are one cycle in 8Mhz mode, two cycles in 12Mhz mode.
dave_delay_ = HalfCycles(2 + (*cycle.value)&2);
dave_delay_ = HalfCycles(2 + ((*cycle.value)&2));
[[fallthrough]];