//Method: RunTests //Purpose: tests key methods in the Registers class //Variables: myOptions - Options handle to options class public static void RunTests(Options myOptions) { myOptions.SetFileName("test1.exe"); Console.WriteLine("testing Registers..."); Computer myTestComp = new Computer(myOptions); myTestComp.endRun += new Computer.EventHandler(delegate { }); myTestComp.putChar += new Computer.EventHandler(delegate { }); Console.WriteLine("testing Read Word..."); Debug.Assert(myTestComp.getRegisters().ReadWord(15) == 320); Console.WriteLine("success!"); myTestComp.FileStreamClose(); }
//Method: RunTests //Purpose: tests key methods in the Registers class //Variables: myOptions - Options handle to options class public static void RunTests(Options myOptions) { myOptions.SetFileName("test1.exe"); Console.WriteLine("testing Registers..."); Computer myTestComp = new Computer(myOptions); myTestComp.endRun += new Computer.EventHandler(delegate { }); myTestComp.putChar += new Computer.EventHandler(delegate { }); Console.WriteLine("testing Read Word..."); Debug.Assert(myTestComp.getRegisters().ReadWord(15) == 320); Console.WriteLine("success!"); myTestComp.FileStreamClose(); }
private void UpdateDisassembly() { this.ResetDisassembly(); uint savePC = myComputer.getRegisters().ReadWord(15); int i = 0; //save register 15 in TEMPVAR if (myComputer.getStepNum() > 4) { myComputer.getRegisters().WriteWord(15, savePC - 16); } else { myComputer.getRegisters().WriteWord(15, (uint)(savePC - (myComputer.getStepNum() * 4))); i = 4 - myComputer.getStepNum(); } //set register 15 4 commands back. (sub 16). myComputer.disassembling = true; myComputer.getCPU().disassembling = true; //set computer.disassembling to true //set cpu.disassembling to true for (; i < 9; i++) { myComputer.getCPU().disassembly = ""; myComputer.step(); this.disassemblyView.Rows[i].Cells[0].Value = String.Format("{0:X8}", myComputer.getRegisters().ReadWord(15) - 12); this.disassemblyView.Rows[i].Cells[1].Value = String.Format("{0:X8}", myComputer.getCPU().unDecodedInstruction); this.disassemblyView.Rows[i].Cells[2].Value = myComputer.getCPU().disassembly; //stop stepping if swi if (myComputer.getCPU().disassembly.Length >= 3 && myComputer.getCPU().disassembly.Substring(0, 3) == "swi") { this.disassemblyView.Rows[i].Cells[0].Value = String.Format("{0:X8}", myComputer.getRegisters().ReadWord(15) - 8); break; } } //step through 9 times. //grab computer.getregister.readword(15) //grab computer.getpcu.undecoded instruction //grab computer.getcpu.disassembly after each step. this.disassemblyView.Rows[4].DefaultCellStyle.BackColor = Color.LightGray; //highlight the 5th row myComputer.getRegisters().WriteWord(15, savePC); //set register 15 = to TEMPVAR myComputer.disassembling = false; myComputer.getCPU().disassembling = false; //set computer.disassembling to false }
//Method: RunTests //Purpose: tests key methods in the CPU class //Variables: myOptions - Options handle to options to class public static void RunTests(Options myOptions) { myOptions.SetFileName("test1.exe"); Console.WriteLine("testing CPU..."); Computer myTestComp = new Computer(myOptions); myTestComp.endRun += new Computer.EventHandler(delegate { }); myTestComp.putChar += new Computer.EventHandler(delegate { }); Console.WriteLine("testing Fetch, Decode, and Execute methods..."); //test MOV register myTestComp.getRegisters().WriteWord(5, 0); myTestComp.getRegisters().WriteWord(3, 4); myTestComp.getCPU().Decode((uint)0xE1A05003); //mov r5, r3 myTestComp.getCPU().Execute(); //mov r5, r3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 4); //test MOV immediate myTestComp.getCPU().Decode((uint)0xe3a02030); //mov r2, 48 myTestComp.getCPU().Execute(); //mov r2, 48 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 48); Debug.Assert(myTestComp.getCPU().disassembly == "mov r2, #48"); //test MUL myTestComp.getRegisters().WriteWord(4, 2); myTestComp.getRegisters().WriteWord(2, 8); myTestComp.getCPU().Decode((uint)0xE0020294); //mul r2, r4, r2 myTestComp.getCPU().Execute(); //mul r2, r4, r2 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 16); //test SUB myTestComp.getRegisters().WriteWord(4, 10); myTestComp.getCPU().Decode((uint)0xE2445003); //sub r5, r4, #3 myTestComp.getCPU().Execute(); //sub r5, r4, #3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 7); //test RSB myTestComp.getRegisters().WriteWord(4, 10); myTestComp.getCPU().Decode((uint)0xE2645003); //rsb r5, r4, #3 myTestComp.getCPU().Execute(); //rsb r5, r4, #3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 4294967289); //test AND myTestComp.getRegisters().WriteWord(0, 0xFFFF); myTestComp.getCPU().Decode((uint)0xE20020FF); //and r2, r0, #255 myTestComp.getCPU().Execute(); //and r2, r0, #255 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 255); //test ORR myTestComp.getRegisters().WriteWord(0, 0); myTestComp.getCPU().Decode((uint)0xE3802012); //orr r2, r0, #18 myTestComp.getCPU().Execute(); //orr r2, r0, #18 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 18); //test EOR myTestComp.getRegisters().WriteWord(0, 732); myTestComp.getCPU().Decode((uint)0xE2202FB7); // eor r2, r0, #732 myTestComp.getCPU().Execute(); // eor r2, r0, #732 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 0); //test LDR //E5925000 (LDR r5, r2) myTestComp.getRegisters().WriteWord(5, 11); myTestComp.getMemory().WriteWord(1, 2462); myTestComp.getRegisters().WriteWord(2, 1); myTestComp.getCPU().Decode((uint)0xE5925000); //LDR r5, r2 myTestComp.getCPU().Execute(); //LDR r5, r2 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 2462); //test STR //E5821000 (STR r1, r2) myTestComp.getRegisters().WriteWord(1, 2463); myTestComp.getRegisters().WriteWord(2, 1); myTestComp.getCPU().Decode((uint)0xE5821000); //STR r1, r2 myTestComp.getCPU().Execute(); //STR r1, r2 Debug.Assert(myTestComp.getMemory().ReadWord(1) == 2463); //test LDM //18914001 (ldm r1, {r0, r14} or something..) //make r1 = memory address 1 myTestComp.getRegisters().WriteWord(1, 1); myTestComp.getMemory().WriteWord(1, 2400); myTestComp.getMemory().WriteWord(5, 2402); //so r0 should be 2400 and r14 should be 2402 myTestComp.getCPU().Decode((uint)0x18914001); //ldm r1, {r1, r15} or something.. myTestComp.getCPU().Execute(); //ldm r1, {r1, r15} or something.. Debug.Assert(myTestComp.getRegisters().ReadWord(0) == 2400); Debug.Assert(myTestComp.getRegisters().ReadWord(14) == 2402); Console.WriteLine("success!"); myTestComp.FileStreamClose(); }
//Method: RunTests //Purpose: tests key methods in the CPU class //Variables: myOptions - Options handle to options to class public static void RunTests(Options myOptions) { myOptions.SetFileName("test1.exe"); Console.WriteLine("testing CPU..."); Computer myTestComp = new Computer(myOptions); myTestComp.endRun += new Computer.EventHandler(delegate { }); myTestComp.putChar += new Computer.EventHandler(delegate { }); Console.WriteLine("testing Fetch, Decode, and Execute methods..."); //test MOV register myTestComp.getRegisters().WriteWord(5, 0); myTestComp.getRegisters().WriteWord(3, 4); myTestComp.getCPU().Decode((uint)0xE1A05003); //mov r5, r3 myTestComp.getCPU().Execute(); //mov r5, r3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 4); //test MOV immediate myTestComp.getCPU().Decode((uint)0xe3a02030); //mov r2, 48 myTestComp.getCPU().Execute(); //mov r2, 48 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 48); Debug.Assert(myTestComp.getCPU().disassembly == "mov r2, #48"); //test MUL myTestComp.getRegisters().WriteWord(4, 2); myTestComp.getRegisters().WriteWord(2, 8); myTestComp.getCPU().Decode((uint)0xE0020294); //mul r2, r4, r2 myTestComp.getCPU().Execute(); //mul r2, r4, r2 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 16); //test SUB myTestComp.getRegisters().WriteWord(4, 10); myTestComp.getCPU().Decode((uint)0xE2445003); //sub r5, r4, #3 myTestComp.getCPU().Execute(); //sub r5, r4, #3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 7); //test RSB myTestComp.getRegisters().WriteWord(4, 10); myTestComp.getCPU().Decode((uint)0xE2645003); //rsb r5, r4, #3 myTestComp.getCPU().Execute(); //rsb r5, r4, #3 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 4294967289); //test AND myTestComp.getRegisters().WriteWord(0, 0xFFFF); myTestComp.getCPU().Decode((uint)0xE20020FF); //and r2, r0, #255 myTestComp.getCPU().Execute(); //and r2, r0, #255 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 255); //test ORR myTestComp.getRegisters().WriteWord(0, 0); myTestComp.getCPU().Decode((uint)0xE3802012); //orr r2, r0, #18 myTestComp.getCPU().Execute(); //orr r2, r0, #18 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 18); //test EOR myTestComp.getRegisters().WriteWord(0, 732); myTestComp.getCPU().Decode((uint)0xE2202FB7); // eor r2, r0, #732 myTestComp.getCPU().Execute(); // eor r2, r0, #732 Debug.Assert(myTestComp.getRegisters().ReadWord(2) == 0); //test LDR //E5925000 (LDR r5, r2) myTestComp.getRegisters().WriteWord(5, 11); myTestComp.getMemory().WriteWord(1, 2462); myTestComp.getRegisters().WriteWord(2, 1); myTestComp.getCPU().Decode((uint)0xE5925000); //LDR r5, r2 myTestComp.getCPU().Execute(); //LDR r5, r2 Debug.Assert(myTestComp.getRegisters().ReadWord(5) == 2462); //test STR //E5821000 (STR r1, r2) myTestComp.getRegisters().WriteWord(1, 2463); myTestComp.getRegisters().WriteWord(2, 1); myTestComp.getCPU().Decode((uint)0xE5821000); //STR r1, r2 myTestComp.getCPU().Execute(); //STR r1, r2 Debug.Assert(myTestComp.getMemory().ReadWord(1) == 2463); //test LDM //18914001 (ldm r1, {r0, r14} or something..) //make r1 = memory address 1 myTestComp.getRegisters().WriteWord(1, 1); myTestComp.getMemory().WriteWord(1, 2400); myTestComp.getMemory().WriteWord(5, 2402); //so r0 should be 2400 and r14 should be 2402 myTestComp.getCPU().Decode((uint)0x18914001); //ldm r1, {r1, r15} or something.. myTestComp.getCPU().Execute(); //ldm r1, {r1, r15} or something.. Debug.Assert(myTestComp.getRegisters().ReadWord(0) == 2400); Debug.Assert(myTestComp.getRegisters().ReadWord(14) == 2402); Console.WriteLine("success!"); myTestComp.FileStreamClose(); }