private void richTextBox1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
a.clearRAM();
a = new Assembler85();
nextInstrAddress = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
// set the start address for debugger
toolStripButtonStartDebug.Visible = true; // make the Start Debug button Visible
try
{
a.changeProgramLength = richTextBox1.Lines.Length;// get the number of lines of program
a.changeStartLocation = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
// change start location of the program in RAM
a.FirstPass(richTextBox1.Lines); // run the first Pass of assembler
usedRamSize = a.SecondPass(); // run second pass and store the used RAM
showMemoryPanel(getTextBoxMemoryStartAddress(textBoxMemoryStartAddress.Text));
// show updated memory
}
catch (AssemblerErrorException) { }
a.runProgram((Convert.ToInt32(textBoxMemoryStartAddress.Text, 16)), usedRamSize);
// run the program
// program will run correctly because
// usedRamSize is always greater than instructions in RAM
showMemoryPanel(Convert.ToInt32(textBoxMemoryStartAddress.Text, 16));
showPortPanel(0x00);
updateRegisters(); // update register labels
updateFlags(); // update falg labels
}
}
public Form1()
{
a = new Assembler85(); // create an object for assembler
InitializeComponent();
showMemoryPanel(0x2000); // draw memory panel from location 0x2000
showPortPanel(0x00); // draw port panel from location 0x00
programBackup = richTextBox1.Text;
}
private void newFileToolStripMenuItem_Click(object sender, EventArgs e)
{
a = new Assembler85();
showMemoryPanel(0x2000);
showPortPanel(0x00);
updateRegisters();
updateFlags();
toolStripButtonStartDebug.Visible = false;
toolStripButtonStepIn.Visible = false;
richTextBox1.Clear();
}
private void resetSimulatorToolStripMenuItem_Click(object sender, EventArgs e)
{
programBackup = richTextBox1.Text;
a = new Assembler85();
showMemoryPanel(0x2000);
showPortPanel(0x00);
updateRegisters();
updateFlags();
toolStripButtonStartDebug.Visible = false;
toolStripButtonStepIn.Visible = false;
richTextBox1.Text = programBackup;
}
private void toolStripButtonStepIn_Click(object sender, EventArgs e)
{
if (nextInstrAddress != 0xffff)
{
nextInstrAddress = a.runProgram(nextInstrAddress, 1);
updateRegisters(); // update register labels
updateFlags(); // update flag labels
if (nextInstrAddress != 0xffff && nextInstrAddress <= 0xffff)
{
changeColorRTBLine(a.RAMprogramLine[nextInstrAddress]);
}
if (richTextBox1.SelectionStart == 0)
{
a = new Assembler85();
nextInstrAddress = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
// set the start address for debugger
toolStripButtonStartDebug.Visible = true; // make the Start Debug button Visible
try
{
a.changeProgramLength = richTextBox1.Lines.Length;// get the number of lines of program
a.changeStartLocation = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
// change start location of the program in RAM
a.FirstPass(richTextBox1.Lines); // run the first Pass of assembler
usedRamSize = a.SecondPass(); // run second pass and store the used RAM
showMemoryPanel(getTextBoxMemoryStartAddress(textBoxMemoryStartAddress.Text));
// show updated memory
}
catch (AssemblerErrorException) { }
toolStripButtonStepIn.Visible = false;
MessageBox.Show(a.createListProgram(richTextBox1.Lines));
}
}
else
{
// labelLineNumber.Visible = true;
// labelColumnNumber.Visible = true;
MessageBox.Show("Debugging Over");
richTextBox1.Clear();
richTextBox1.Text = programBackup;
toolStripButtonStepIn.Visible = false;
toolStripButtonStartDebug.Visible = true;
}
}
private void toolStripButtonStartDebug_Click(object sender, EventArgs e)
{
a = new Assembler85();
nextInstrAddress = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
try
{
a.changeProgramLength = richTextBox1.Lines.Length;// get the number of lines of program
a.changeStartLocation = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
// change start location of the program in RAM
a.FirstPass(richTextBox1.Lines); // run the first Pass of assembler
usedRamSize = a.SecondPass(); // run second pass and store the used RAM
showMemoryPanel(getTextBoxMemoryStartAddress(textBoxMemoryStartAddress.Text));
// show updated memory
}
catch (AssemblerErrorException) { }
nextInstrAddress = Convert.ToInt32(textBoxMemoryStartAddress.Text, 16);
programBackup = richTextBox1.Text;
// labelLineNumber.Visible = false;
// labelColumnNumber.Visible = false;
toolStripButtonStepIn.Visible = true;
toolStripButtonStartDebug.Visible = false;
changeColorRTBLine(a.RAMprogramLine[nextInstrAddress]);
}
