public static void ToConsole(this IRandomAccessMemory ram, ushort start, ushort length)
{
var bytesBuilder = new StringBuilder(16 * 4);
var characterBuilder = new StringBuilder(16);
ushort width = 16;
for (var address = start; address <= start + length; address += width)
{
Console.Write($"{address:X4} ".Pastel(Color.Goldenrod));
bytesBuilder.Clear();
characterBuilder.Clear();
var bytes = new byte[16];
for (ushort column = 0; column < width; column++)
{
var value = ram[(ushort)(address + column)];
bytes[column] = value;
bytesBuilder.Append($"{value:X2} ");
characterBuilder.Append(MockAsciiMapper.ConvertByteToChar(value));
}
Console.Write(bytesBuilder.ToString().Pastel(Color.Orchid));
Console.Write(characterBuilder.ToString().Pastel(Color.Teal));
Console.WriteLine();
}
}
public void WriteBytes_WhenInvoked_ShouldStoreTheStringCorrectly()
{
var sut = CreateSut();
sut.Parse("\"hello\"");
Mock <IRandomAccessMemory> ramMock = new();
sut.WriteBytes(ramMock.Object, 22);
ramMock.VerifySet(s => s[22] = MockAsciiMapper.ConvertCharToByte('h'));
ramMock.VerifySet(s => s[23] = MockAsciiMapper.ConvertCharToByte('e'));
ramMock.VerifySet(s => s[24] = MockAsciiMapper.ConvertCharToByte('l'));
ramMock.VerifySet(s => s[25] = MockAsciiMapper.ConvertCharToByte('l'));
ramMock.VerifySet(s => s[26] = MockAsciiMapper.ConvertCharToByte('o'));
}
public void Execute(ICpu cpu)
{
var address = cpu.Registers[0];
while (cpu.Memory[address] != 0)
{
var mascii = cpu.Memory[address];
if (mascii == MockAsciiMapper.NewLine)
{
Console.WriteLine();
}
else
{
Console.Write(MockAsciiMapper.ConvertByteToChar(mascii));
}
address++;
}
}
[TestCase('\b', 255)] // unknown to period
public void ConvertCharToByte_whenInvoked_MapsAsExpected(char from, byte expected)
{
var res = MockAsciiMapper.ConvertCharToByte(from);
res.Should().Be(expected);
}
[TestCase(27, '.')] // unknown to period
public void ConvertByteToChar_whenInvoked_MapsAsExpected(byte from, char expected)
{
var res = MockAsciiMapper.ConvertByteToChar(from);
res.Should().Be(expected);
}
