diff options
Diffstat (limited to 'src/mmio.rs')
| -rw-r--r-- | src/mmio.rs | 64 |
1 files changed, 59 insertions, 5 deletions
diff --git a/src/mmio.rs b/src/mmio.rs index fe37b7d..d9f2a5a 100644 --- a/src/mmio.rs +++ b/src/mmio.rs @@ -92,47 +92,58 @@ impl<S: Serial, A: Audio> Memory<S, A> { self.audio.ch1.period_sweep_pace = (0b1110000 & value) >> 4; self.audio.ch1.period_sweep_direction = (0b1000 & value) >> 3; self.audio.ch1.period_sweep_slope = 0b111 & value; + self.audio.ch1.update(false); } 0x11 => { self.audio.ch1.duty = value >> 6; self.audio.ch1.length_timer = value & 0b111111; + self.audio.ch1.update(false); } 0x12 => { self.audio.ch1.initial_volume = value >> 4; self.audio.ch1.env_direction = (value & 0xf) >> 3; self.audio.ch1.sweep = value & 0b111; + self.audio.ch1.update(false); } 0x13 => { self.audio.ch1.period_value &= 0xff00; self.audio.ch1.period_value |= value as u16; + self.audio.ch1.update(false); } 0x14 => { self.audio.ch1.period_value &= 0xff; self.audio.ch1.period_value |= ((value & 0b111) as u16) << 8; self.audio.ch1.length_timer_enabled = value & 0b01000000 != 0; if value >> 7 == 1 { - self.audio.ch1.update(); + self.audio.ch1.update(true); + } else { + self.audio.ch1.update(false); } } 0x16 => { self.audio.ch2.duty = value >> 6; self.audio.ch2.length_timer = value & 0b111111; + self.audio.ch2.update(false); } 0x17 => { self.audio.ch2.initial_volume = value >> 4; self.audio.ch2.env_direction = (value & 0xf) >> 3; self.audio.ch2.sweep = value & 0b111; + self.audio.ch2.update(false); } 0x18 => { self.audio.ch2.period_value &= 0xff00; self.audio.ch2.period_value |= value as u16; + self.audio.ch2.update(false); } 0x19 => { self.audio.ch2.period_value &= 0xff; self.audio.ch2.period_value |= ((value & 0b111) as u16) << 8; self.audio.ch2.length_timer_enabled = value & 0b01000000 != 0; if value >> 7 == 1 { - self.audio.ch2.update(); + self.audio.ch2.update(true); + } else { + self.audio.ch2.update(false); } } 0x1a => { @@ -141,10 +152,11 @@ impl<S: Serial, A: Audio> Memory<S, A> { } else { self.audio.ch3.on = false; } - self.audio.ch3.update(); + self.audio.ch3.update(true); } 0x1b => { self.audio.ch3.length_timer = value & 0b111111; + self.audio.ch3.update(false); } 0x1c => { let s = (value >> 5) & 0b11; @@ -153,10 +165,12 @@ impl<S: Serial, A: Audio> Memory<S, A> { } else { self.audio.ch3.initial_volume = 0xf >> (s - 1); } + self.audio.ch3.update(false); } 0x1d => { self.audio.ch3.period_value &= 0xff00; self.audio.ch3.period_value |= value as u16; + self.audio.ch3.update(false); } 0x1e => { self.audio.ch3.period_value &= 0xff; @@ -164,28 +178,68 @@ impl<S: Serial, A: Audio> Memory<S, A> { self.audio.ch3.period_value /= 2; self.audio.ch3.length_timer_enabled = value & 0b01000000 != 0; if value >> 7 == 1 { - self.audio.ch3.update(); + self.audio.ch3.update(true); + } else { + self.audio.ch3.update(false); } } 0x20 => { self.audio.ch4.length_timer = value & 0b111111; + self.audio.ch4.update(false); } 0x21 => { self.audio.ch4.initial_volume = value >> 4; self.audio.ch4.env_direction = (value & 0xf) >> 3; self.audio.ch4.sweep = value & 0b111; + self.audio.ch4.update(false); } 0x22 => { self.audio.ch4.clock_shift = value >> 4; self.audio.ch4.lsfr_width = (value & 0xf) >> 3; self.audio.ch4.clock_divider = value & 0b111; + self.audio.ch4.update(false); } 0x23 => { self.audio.ch4.length_timer_enabled = value & 0b01000000 != 0; if value >> 7 == 1 { - self.audio.ch4.update(); + self.audio.ch4.update(true); + } else { + self.audio.ch4.update(false); } } + 0x24 => { + let right_volume = value & 0x7; + let left_volume = value & 0x70 >> 4; + + self.audio.ch1.right_volume = right_volume; + self.audio.ch2.right_volume = right_volume; + self.audio.ch3.right_volume = right_volume; + self.audio.ch4.right_volume = right_volume; + + self.audio.ch1.left_volume = left_volume; + self.audio.ch2.left_volume = left_volume; + self.audio.ch3.left_volume = left_volume; + self.audio.ch4.left_volume = left_volume; + + self.audio.ch1.update(false); + self.audio.ch2.update(false); + self.audio.ch3.update(false); + self.audio.ch4.update(false); + } + 0x25 => { + self.audio.ch1.right = value & 0x01 != 0; + self.audio.ch2.right = value & 0x02 != 0; + self.audio.ch3.right = value & 0x04 != 0; + self.audio.ch4.right = value & 0x08 != 0; + self.audio.ch1.left = value & 0x10 != 0; + self.audio.ch2.left = value & 0x20 != 0; + self.audio.ch3.left = value & 0x40 != 0; + self.audio.ch4.left = value & 0x80 != 0; + self.audio.ch1.update(false); + self.audio.ch2.update(false); + self.audio.ch3.update(false); + self.audio.ch4.update(false); + } 0x40 => self.display.lcdc = value, 0x41 => { if value & 0b01000000 != 0 { |