Method write_halfword

crates/virtual-machine/src/memory/ram.rs:90–94

(&mut self, addr: u64, data: u16)

    fn read_doubleword(&mut self, addr: u64) -> Result<u64, VmError> {
        let lo = self.read_word(addr)? as u64;
        let hi = self.read_word(addr + 4)? as u64;
        Ok(lo | (hi << 32))
    }

    fn write_byte(&mut self, addr: u64, data: u8) -> Result<(), VmError> {
        match self.index(addr) {
            Some(idx) => {