public void ShouldResolveLabelsOutsideScope()
{
const string input =
@"
vectors
{
BRK = EmptyVector
IRQ = EmptyVector
NMI = EmptyVector
Reset = Main
}
procedure Main
{
jsr Test
}
procedure Test
{
php
rep #$30
pha
lda #$03
pla
plp
rts
}
interrupt EmptyVector
{
}
";
ZealCpuDriver driver = new ZealCpuDriver(input.ToMemoryStream());
driver.Parse();
driver.SecondPass();
var mainProcedure = driver.GlobalScope.Children[0];
Assert.Equal(true, mainProcedure.IsLabelValid("Test"));
Assert.Equal(3, mainProcedure.AddressFor("Test"));
}
public void ShouldFailOnInvalidVectorsLabel()
{
const string input = @"
vectors
{
BRK = EmptyVector
NMI = EmptyVector
IRQ = EmptyVector
Reset = NotValidReset
}
procedure Main
{
sei
clc
xce
}
interrupt EmptyVector
{
}
";
ZealCpuDriver driver = new ZealCpuDriver(input.ToMemoryStream());
driver.Parse();
Assert.Throws<CompilerErrorException>(() => driver.SecondPass());
}
public void VectorsIsRequired()
{
const string input = @"
header
{
CartridgeName = ""HELLO WORLD SNES""
RomSpeed = SlowROM
MapMode = LoROM
SramSize = 0
Country = Japan
Developer = 0
Version = 0
}
procedure Main
{
sei
clc
xce
}
"
;
ZealCpuDriver driver = new ZealCpuDriver(input.ToMemoryStream());
driver.Parse();
Assert.Throws<CompilerErrorException>(() => driver.SecondPass());
Assert.Equal(1, driver.Errors.Count);
}
static int Main(string[] args)
{
if (args.Length < 1)
{
Console.Error.WriteLine("No source file provided.");
return 1;
}
if (Path.GetExtension(args[0]) != ".zcpu")
{
Console.Error.WriteLine("The source file is in the wrong format. The source file must ends with .zcpu.");
return 1;
}
ZealCpuDriver driver = new ZealCpuDriver(args[0]);
try
{
driver.Parse();
driver.SecondPass();
}
catch(CompilerErrorException)
{
foreach (var error in driver.Errors)
{
printErrorMessage(error);
}
#if DEBUG
Console.Read();
#endif
return 1;
}
FileStream outputRom = new FileStream(Path.ChangeExtension(args[0], ".sfc"), FileMode.Create);
CpuCodeGenerator codeGenerator = new CpuCodeGenerator(outputRom);
codeGenerator.Header = driver.Header;
foreach (var scope in driver.GlobalScope.Children)
{
codeGenerator.Scope = scope;
List<CpuInstructionStatement> instructions = new List<CpuInstructionStatement>();
foreach (var statement in scope.Statements)
{
if (statement is CpuInstructionStatement)
{
instructions.Add((CpuInstructionStatement)statement);
}
}
codeGenerator.Instructions = instructions;
codeGenerator.Generate();
}
SfcRomWriter romWriter = new SfcRomWriter(outputRom);
romWriter.Driver = driver;
romWriter.Write();
outputRom.Close();
using (FileStream newRom = new FileStream(Path.ChangeExtension(args[0], ".sfc"), FileMode.Open))
{
SfcRomWriter checksumWriter = new SfcRomWriter(newRom);
checksumWriter.Driver = driver;
checksumWriter.ComputeChecksum();
}
return 0;
}
