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/* COOLBOY (mapper 268) cartridge tests script
*
* Copyright notice for this file:
* Copyright (C) 2023 Cluster
* http://clusterrr.com
* clusterrr@clusterrr.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
/*
* Usage: famicom-dumper script --cs-file CoolboyTests.cs --mapper 268.x --chr-size <size> - full|prg-ram|chr-ram [number of repetitions]
*/
using System.IO;
using System;
class CoolboyTests
{
void Run(IFamicomDumperConnection dumper, IMapper mapper, string[] args, int chrSize = 256 * 1024)
{
string testMode = "";
int count = -1;
if (args.Length > 0)
testMode = args[0];
if (args.Length > 1)
count = int.Parse(args[1]);
switch (testMode)
{
default:
case "full":
FullTest(dumper, mapper, count, chrSize);
return;
case "prg":
case "prgram":
case "prg-ram":
TestPrgRam(dumper, mapper, count);
return;
case "chr":
case "chrram":
case "chr-ram":
TestChrRam(dumper, count, chrSize);
return;
}
Console.WriteLine("Usage: famicom-dumper script --cs-file CoolboyTests.cs --mapper 268.x --chr-size <size> - full|prg-ram|chr-ram [number of repetitions]");
}
public static void FullTest(IFamicomDumperConnection dumper, IMapper mapper, int count, int chrSize)
{
for (; count != 0; count--)
{
TestPrgRam(dumper, mapper, 1);
TestChrRam(dumper, 1, chrSize);
}
}
public static void TestPrgRam(IFamicomDumperConnection dumper, IMapper mapper, int count)
{
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
if (mapper == null || mapper.Number != 268)
throw new InvalidDataException("Please specify COOLBOY mapper and submapper");
mapper.EnablePrgRam(dumper);
var rnd = new Random();
for (; count != 0; count--)
{
var data = new byte[0x2000];
rnd.NextBytes(data);
Console.Write("Writing PRG RAM... ");
dumper.WriteCpu(0x6000, data);
Console.Write("Reading PRG RAM... ");
var rdata = dumper.ReadCpu(0x6000, 0x2000);
bool ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b] != rdata[b])
{
Console.WriteLine($"Mismatch at {b:X4}: {rdata[b]:X2} != {data[b]:X2}");
ok = false;
}
}
if (!ok)
{
DetectProblems(data, rdata, "CPU");
File.WriteAllBytes("prgramgood.bin", data);
Console.WriteLine("prgramgood.bin writed");
File.WriteAllBytes("prgrambad.bin", rdata);
Console.WriteLine("prgrambad.bin writed");
throw new InvalidDataException("Failed!");
}
Console.WriteLine("OK!");
}
}
public static void TestChrRam(IFamicomDumperConnection dumper, int count, int chrSize)
{
Console.WriteLine($"Testing CHR RAM, size: {chrSize / 1024}KB");
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
var rnd = new Random();
int bankSize = 0x2000;
int banks = chrSize / bankSize;
for (; count != 0; count--)
{
var data = new byte[banks][];
for (int i = 0; i < data.Length; i++)
{
data[i] = new byte[0x2000];
rnd.NextBytes(data[i]);
}
for (byte bank = 0; bank < banks; bank++)
{
Console.WriteLine($"Writing CHR RAM bank #{bank}/{banks}...");
dumper.WriteCpu(0x8000, (byte)0, (byte)((bank << 3) + 0));
dumper.WriteCpu(0x8000, (byte)1, (byte)((bank << 3) + 2));
dumper.WriteCpu(0x8000, (byte)2, (byte)((bank << 3) + 4));
dumper.WriteCpu(0x8000, (byte)3, (byte)((bank << 3) + 5));
dumper.WriteCpu(0x8000, (byte)4, (byte)((bank << 3) + 6));
dumper.WriteCpu(0x8000, (byte)5, (byte)((bank << 3) + 7));
dumper.WritePpu(0x0000, data[bank]);
}
for (byte bank = 0; bank < banks; bank++)
{
Console.Write($"Reading CHR RAM bank #{bank}/{banks}... ");
dumper.WriteCpu(0x8000, (byte)0, (byte)((bank << 3) + 0));
dumper.WriteCpu(0x8000, (byte)1, (byte)((bank << 3) + 2));
dumper.WriteCpu(0x8000, (byte)2, (byte)((bank << 3) + 4));
dumper.WriteCpu(0x8000, (byte)3, (byte)((bank << 3) + 5));
dumper.WriteCpu(0x8000, (byte)4, (byte)((bank << 3) + 6));
dumper.WriteCpu(0x8000, (byte)5, (byte)((bank << 3) + 7));
var rdata = dumper.ReadPpu(0x0000, bankSize);
var ok = true;
for (int b = 0; b < rdata.Length; b++)
{
if (data[bank][b] != rdata[b])
{
Console.WriteLine($"Mismatch at {b:X4}: {rdata[b]:X2} != {data[bank][b]:X2}");
ok = false;
}
}
if (!ok)
{
DetectProblems(data[bank], rdata, "PPU");
File.WriteAllBytes("chrramgood.bin", data[0]);
Console.WriteLine("chrramgood.bin writed");
File.WriteAllBytes("chrrambad.bin", rdata);
Console.WriteLine("chrrambad.bin writed");
throw new InvalidDataException("Test failed");
}
Console.WriteLine("OK");
}
}
}
// Function to detect problem lines
private static void DetectProblems(byte[] good, byte[] bad, string busName)
{
var size = Math.Min(good.Length, bad.Length);
int problemBits = 0;
for (int i = 0; i < size; i++)
{
problemBits |= (byte)(good[i] ^ bad[i]);
}
if (problemBits != 0xFF)
{
for (int i = 0; i < 8; i++)
if ((problemBits & (1 << i)) != 0)
Console.WriteLine($"Problems on line D{i} @ {busName}");
}
int memoryTestSize = 4;
problemBits = 0;
for (int i = memoryTestSize; i < bad.Length; i += memoryTestSize)
{
bool matched = true;
for (int j = 0; j < memoryTestSize; j++)
{
if (bad[i + j] != bad[j])
{
matched = false;
break;
}
}
if (matched) problemBits |= i;
}
for (int i = 0; i < 16; i++)
if ((problemBits & (1 << i)) != 0)
Console.WriteLine($"Problems on line A{i} @ {busName}");
}
}
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