()
| 168 | } |
| 169 | |
| 170 | func (apu *APU) stepTimer() { |
| 171 | if apu.cycle%2 == 0 { |
| 172 | apu.pulse1.stepTimer() |
| 173 | apu.pulse2.stepTimer() |
| 174 | apu.noise.stepTimer() |
| 175 | apu.dmc.stepTimer() |
| 176 | } |
| 177 | apu.triangle.stepTimer() |
| 178 | } |
| 179 | |
| 180 | func (apu *APU) stepEnvelope() { |
| 181 | apu.pulse1.stepEnvelope() |