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typo, todo

This commit is contained in:
Theron 2019-12-18 23:49:11 -06:00
parent 359459f5ad
commit c62c5b9ead
1 changed files with 6 additions and 3 deletions
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9
src/apu/mod.rs
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@ -25,7 +25,10 @@ use dmc::DMC;
// when the device needs them, which is accomplished just by calling .resume() before the main loop starts. So a large buffer really should allow for the 60Hz sleep lock.
// We need to take a sample 44100 times per second. The CPU clocks (not steps) at 1.789773 MHz. Meaning the APU, going half as fast,
// clocks 894,866.5 times per second. 894,866.5/44,100=20.29 APU clocks per audio sample.
// clocks 894,886.5 times per second. 894,886.5/44,100=20.29 APU clocks per audio sample.
// TODO: APU runs every other CPU clock, not step. Need to tear APU out of CPU (or at least step it from outside CPU's step function)
// and connect it to audio module.
pub struct Apu {
square1: Square,
@ -85,9 +88,9 @@ impl Apu {
}
// push sample to buffer
if self.remainder > 894_866.5/44_100 { // APU frequency over sample frequency
if self.remainder > 894_886.5/44_100 { // APU frequency over sample frequency
self.sample_audio();
self.remainder -= 894_866.5/44_100;
self.remainder -= 894_886.5/44_100;
}
self.remainder += 1;