diff options
Diffstat (limited to 'src/device_bus.rs')
-rw-r--r-- | src/device_bus.rs | 71 |
1 files changed, 4 insertions, 67 deletions
diff --git a/src/device_bus.rs b/src/device_bus.rs index aaa0717..6a04f66 100644 --- a/src/device_bus.rs +++ b/src/device_bus.rs @@ -1,6 +1,5 @@ use crate::*; - pub trait Device { fn read(&mut self, port: u8) -> u8; fn write(&mut self, port: u8, value: u8) -> Option<Signal>; @@ -13,70 +12,8 @@ impl Device for () { fn wake(&mut self) -> bool { false } } - -pub struct DeviceBus<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> { - pub dev_0: D0, - pub dev_1: D1, - pub dev_2: D2, - pub dev_3: D3, - pub dev_4: D4, - pub dev_5: D5, - pub dev_6: D6, - pub dev_7: D7, - pub dev_8: D8, - pub dev_9: D9, - pub dev_a: DA, - pub dev_b: DB, - pub dev_c: DC, - pub dev_d: DD, - pub dev_e: DE, - pub dev_f: DF, -} - -impl<D0:Device, D1:Device, D2:Device, D3:Device, D4:Device, D5:Device, D6:Device, D7:Device, - D8:Device, D9:Device, DA:Device, DB:Device, DC:Device, DD:Device, DE:Device, DF:Device> -DeviceBus<D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF> { - pub fn read_u8(&mut self, port: u8) -> u8 { - match port & 0xf0 { - 0x00 => self.dev_0.read(port & 0x0f), - 0x10 => self.dev_1.read(port & 0x0f), - 0x20 => self.dev_2.read(port & 0x0f), - 0x30 => self.dev_3.read(port & 0x0f), - 0x40 => self.dev_4.read(port & 0x0f), - 0x50 => self.dev_5.read(port & 0x0f), - 0x60 => self.dev_6.read(port & 0x0f), - 0x70 => self.dev_7.read(port & 0x0f), - 0x80 => self.dev_8.read(port & 0x0f), - 0x90 => self.dev_9.read(port & 0x0f), - 0xA0 => self.dev_a.read(port & 0x0f), - 0xB0 => self.dev_b.read(port & 0x0f), - 0xC0 => self.dev_c.read(port & 0x0f), - 0xD0 => self.dev_d.read(port & 0x0f), - 0xE0 => self.dev_e.read(port & 0x0f), - 0xF0 => self.dev_f.read(port & 0x0f), - _ => unreachable!(), - } - } - - pub fn write_u8(&mut self, port: u8, value: u8) -> Option<Signal> { - match port & 0xf0 { - 0x00 => self.dev_0.write(port & 0x0f, value), - 0x10 => self.dev_1.write(port & 0x0f, value), - 0x20 => self.dev_2.write(port & 0x0f, value), - 0x30 => self.dev_3.write(port & 0x0f, value), - 0x40 => self.dev_4.write(port & 0x0f, value), - 0x50 => self.dev_5.write(port & 0x0f, value), - 0x60 => self.dev_6.write(port & 0x0f, value), - 0x70 => self.dev_7.write(port & 0x0f, value), - 0x80 => self.dev_8.write(port & 0x0f, value), - 0x90 => self.dev_9.write(port & 0x0f, value), - 0xA0 => self.dev_a.write(port & 0x0f, value), - 0xB0 => self.dev_b.write(port & 0x0f, value), - 0xC0 => self.dev_c.write(port & 0x0f, value), - 0xD0 => self.dev_d.write(port & 0x0f, value), - 0xE0 => self.dev_e.write(port & 0x0f, value), - 0xF0 => self.dev_f.write(port & 0x0f, value), - _ => unreachable!(), - } - } +pub trait DeviceBus { + fn read(&mut self, port: u8) -> u8; + fn write(&mut self, port: u8, value: u8) -> Option<Signal>; + fn wake(&mut self) -> bool; } |