Q1.core/IAddressable.cs


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namespace Q1.core;

public interface IAddressable
{
    public u8 Read(u16 address);
    public void Write(u16 address, u8 value);
    public void Clock();
}

public static class AddressableExtensions
{
    public static u16 ReadWord(this IAddressable bus, u16 address)
    {
        u8 high = bus.Read(address);
        u8 low = bus.Read((u16)(address + 1));
        return (u16)((high << 8) | low);
    }
    
    public static void WriteWord(this IAddressable bus, u16 address, u16 value)
    {
        u8 high = (u8) (value      & 0xFF);
        u8 low = (u8)((value >> 8) & 0xFF);
        bus.Write(address, low);
        bus.Write((u16)(address + 1), high);
    }
}