Whoops: missed additional MC6809 unit tests.

Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2019-05-05 10:14:29 +01:00
parent 3914a75102
commit 0c69c5d8bb
2 changed files with 122 additions and 0 deletions

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namespace EightBit
{
using Microsoft.VisualStudio.TestTools.UnitTesting;
// https://github.com/sorenroug/osnine-java/blob/master/core/src/test/java/org/roug/osnine/BranchAndJumpTest.java
[TestClass]
public class JsrTests
{
private readonly Board board = new Board();
private readonly MC6809 cpu;
public JsrTests()
{
this.cpu = this.board.CPU;
this.board.Poke(0, 0x3a);
}
[TestInitialize]
public void Initialise()
{
this.board.RaisePOWER();
this.cpu.Step(); // Step over the reset
}
[TestCleanup]
public void Cleanup() => this.board.LowerPOWER();
// Test the JSR - Jump to Subroutine - instruction.
// INDEXED mode: JSR D,Y
[TestMethod]
public void TestJsr()
{
// Set up a word to test at address 0x205
this.cpu.PokeWord(0x205, 0x03ff);
// Set register D
this.cpu.D.Word = 0x105;
// Set register Y to point to that location minus 5
this.cpu.Y.Word = 0x200;
// Set register S to point to 0x915
this.cpu.S.Word = 0x915;
// Two bytes of instruction
this.board.Poke(0xB00, 0xAD);
this.board.Poke(0xB01, 0xAB);
this.board.Poke(0xB02, 0x11); // Junk
this.board.Poke(0xB03, 0x22); // Junk
this.cpu.PC.Word = 0xB00;
this.cpu.CC = 0;
this.cpu.Step();
Assert.AreEqual(0, this.cpu.CC);
Assert.AreEqual(0x01, this.cpu.A);
Assert.AreEqual(0x05, this.cpu.B);
Assert.AreEqual(0, this.cpu.DP);
Assert.AreEqual(0, this.cpu.X.Word);
Assert.AreEqual(0x200, this.cpu.Y.Word);
Assert.AreEqual(0x105, this.cpu.D.Word);
Assert.AreEqual(0x913, this.cpu.S.Word);
Assert.AreEqual(0, this.cpu.U.Word);
Assert.AreEqual(0x305, this.cpu.PC.Word);
Assert.AreEqual(2, this.board.Peek(0x914));
Assert.AreEqual(0xb, this.board.Peek(0x913));
Assert.AreEqual(10, this.cpu.Cycles);
}
}
}

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namespace EightBit
{
using Microsoft.VisualStudio.TestTools.UnitTesting;
// https://github.com/sorenroug/osnine-java/blob/master/core/src/test/java/org/roug/osnine/BranchAndJumpTest.java
[TestClass]
public class RtsTests
{
private readonly Board board = new Board();
private readonly MC6809 cpu;
public RtsTests()
{
this.cpu = this.board.CPU;
this.board.Poke(0, 0x3a);
}
[TestInitialize]
public void Initialise()
{
this.board.RaisePOWER();
this.cpu.Step(); // Step over the reset
}
[TestCleanup]
public void Cleanup() => this.board.LowerPOWER();
[TestMethod]
public void TestRts()
{
this.cpu.S.Word = 0x300;
this.cpu.PokeWord(0x300, 0x102C); // Write return address
this.board.Poke(0xB00, 0x39); // RTS
this.cpu.PC.Word = 0xB00;
this.cpu.Step();
Assert.AreEqual(0x102C, this.cpu.PC.Word);
Assert.AreEqual(0x302, this.cpu.S.Word);
Assert.AreEqual(5, this.cpu.Cycles);
}
}
}