119 lines
3.3 KiB
Java
119 lines
3.3 KiB
Java
/*
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* Copyright 2016 Brendan Robert
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package jace.cpu;
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import jace.Emulator;
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import jace.apple2e.MOS65C02;
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import jace.apple2e.RAM128k;
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import jace.core.Computer;
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import jace.core.SoundMixer;
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import jace.core.Utility;
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import org.junit.AfterClass;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static jace.TestUtils.*;
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/**
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* Basic test functionality to assert correct 6502 decode and execution.
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*
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* @author blurry
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*/
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public class Basic6502FuncationalityTest {
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static Computer computer;
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static MOS65C02 cpu;
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static RAM128k ram;
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@BeforeClass
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public static void setupClass() {
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Utility.setHeadlessMode(true);
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SoundMixer.MUTE = true;
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computer = Emulator.getComputer();
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cpu = (MOS65C02) computer.getCpu();
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ram = (RAM128k) computer.getMemory();
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}
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@AfterClass
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public static void teardownClass() {
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}
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@Before
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public void setup() {
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computer.pause();
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cpu.clearState();
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}
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@Test
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public void assertMemoryConfiguredCorrectly() {
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assertArrayEquals("Active read bank 3 should be main memory page 3",
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ram.mainMemory.getMemoryPage(3),
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ram.activeRead.getMemoryPage(3));
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assertArrayEquals("Active write bank 3 should be main memory page 3",
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ram.mainMemory.getMemoryPage(3),
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ram.activeWrite.getMemoryPage(3));
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}
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@Test
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public void testAdditionNonDecimal() {
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cpu.A = 0;
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cpu.D = false;
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cpu.C = 0;
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runAssemblyCode("adc #1", 2);
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assertEquals("0+1 (c=0) = 1", 1, cpu.A);
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assertFalse("Result is not zero", cpu.Z);
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assertEquals("Carry is clear", 0, cpu.C);
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}
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@Test
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public void testAdditionNonDecimalWithCarry() {
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cpu.A = 0;
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cpu.D = false;
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cpu.C = 1;
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runAssemblyCode("adc #1", 2);
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assertEquals("0+1 (c=1) = 2", 2, cpu.A);
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assertFalse("Result is not zero", cpu.Z);
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assertEquals("Carry is clear", 0, cpu.C);
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}
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@Test
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public void testAdditionDecimal() {
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cpu.A = 9;
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cpu.D = true;
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cpu.C = 0;
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runAssemblyCode("adc #1", 2);
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assertEquals("9+1 (c=0) = 0x10", 0x10, cpu.A);
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assertFalse("Result is not zero", cpu.Z);
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assertEquals("Carry is clear", 0, cpu.C);
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}
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@Test
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public void testAdditionDecimalWithCarry() {
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cpu.A = 9;
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cpu.D = true;
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cpu.C = 1;
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runAssemblyCode("adc #1", 2);
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assertEquals("9+1 (c=1) = 0x11", 0x11, cpu.A);
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assertFalse("Result is not zero", cpu.Z);
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assertEquals("Carry is clear", 0, cpu.C);
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}
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}
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