38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
using System;
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using System.IO;
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namespace GameBoy.Tests
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{
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internal static class TestRoms
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{
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public static string Path(string name)
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{
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string path = System.IO.Path.Combine(AppContext.BaseDirectory, "roms", name);
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if (!File.Exists(path))
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throw new FileNotFoundException($"test rom not found: {path}");
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return path;
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}
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public static byte[] Load(string name) => File.ReadAllBytes(Path(name));
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public static byte[] BuildProgram(params byte[] program)
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{
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var rom = new byte[0x8000];
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rom[0x0147] = 0x00;
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rom[0x0148] = 0x00;
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rom[0x0149] = 0x00;
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Array.Copy(program, 0, rom, 0x0100, program.Length);
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return rom;
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}
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public static byte[] BuildCartridge(byte cartridgeType, byte ramSizeCode, int romBanks = 2)
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{
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var rom = new byte[0x4000 * romBanks];
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rom[0x0147] = cartridgeType;
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rom[0x0148] = 0x00;
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rom[0x0149] = ramSizeCode;
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return rom;
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}
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}
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}
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