Method read_byte

crates/virtual-machine/src/memory/rom.rs:49–54

(&mut self, addr: u64)

impl MemoryAccess for Rom {
    fn read_byte(&mut self, addr: u64) -> Result<u8, VmError> {
        match self.index(addr) {
            Some(idx) => Ok(self.data[idx]),
            None => Err(VmError::BusError(addr)),
        }
    }

    fn read_halfword(&mut self, addr: u64) -> Result<u16, VmError> {
        let b0 = self.read_byte(addr)? as u16;
        let b1 = self.read_byte(addr + 1)? as u16;