screenshots

Author: DylanSpeiser

screenshots/screenshot0.png

@@ -1,3 +1,6 @@
+//Original Code by Dylan Speiser
+//https://github.com/DylanSpeiser
+
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -66,6 +69,7 @@ public void actionPerformed(ActionEvent e) {
 	            rom.setROMArray(ROMLoader.readROM(fc.getSelectedFile()));
 	        }
 	        GraphicsPanel.requestFocus();
+	        cpu.reset();
 		} else if (e.getSource().equals(RAMopenButton)) {
 			fc.setSelectedFile(new File(""));
 			int returnVal = fc.showOpenDialog(this);
@@ -74,6 +78,7 @@ public void actionPerformed(ActionEvent e) {
 	            ram.setRAMArray(ROMLoader.readROM(fc.getSelectedFile()));
 	        }
 	        GraphicsPanel.requestFocus();
+	        cpu.reset();
 		} else if (e.getSource().equals(clock)) {
 			if (!haltFlag)
 				cpu.clock();

screenshots/screenshot1.png

@@ -19,6 +19,8 @@ public class LCD extends JFrame implements ActionListener {
 
 	boolean graphicalCursorBlinkFlag = false;
 
+	boolean debug = false;
+	
 	//Internal flags
 	int cursorPos = 0;
 	boolean increment = true;
@@ -106,7 +108,8 @@ public void write(boolean regSel, byte data) {
 				} else {
 					fourBitMode = true;
 				}
-				System.out.println("Function: Four Bit Mode: "+fourBitMode);
+				if (debug)
+					System.out.println("Function: Four Bit Mode: "+fourBitMode);
 			} else if ((data & 0b00010000) == 0b00010000) {
 				//SHIFT
 				boolean rightleft = false;
@@ -121,21 +124,24 @@ public void write(boolean regSel, byte data) {
 					//SCREEN
 					char[] newCharArray = new char[40];
 					Arrays.fill(newCharArray, ' ');
-					System.out.println("Shifted screen to the "+(rightleft ? "right." : "left."));
+					if (debug)
+						System.out.println("Shifted screen to the "+(rightleft ? "right." : "left."));
 				} else {
 					//CURSOR
 					cursorPos += (rightleft ? 1 : -1);
 					if (cursorPos < 0)
 						cursorPos = 0;
-					System.out.println("Shifted cursor to the "+(rightleft ? "right." : "left."));
+					if (debug)
+						System.out.println("Shifted cursor to the "+(rightleft ? "right." : "left."));
 				}
 			} else if ((data & 0b00001000) == 0b00001000) {
 				//DISPLAY CONTROL
 				if ((data & 0b00000100) == 0b00000100) {
 					displayPower = true;
 				} else {
 					displayPower = false;
-					System.out.println("Turned the Display off! | "+Integer.toBinaryString(Byte.toUnsignedInt(data)));
+					if (debug)
+						System.out.println("Turned the Display off! | "+Integer.toBinaryString(Byte.toUnsignedInt(data)));
 				}
 				if ((data & 0b00000010) == 0b00000010) {
 					cursor = true;
@@ -147,34 +153,39 @@ public void write(boolean regSel, byte data) {
 				} else {
 					cursorBlink = false;
 				}
-				System.out.println("Display Control: Power: "+displayPower+" Cursor: "+cursor+" Blink: "+cursorBlink);
+				if (debug)
+					System.out.println("Display Control: Power: "+displayPower+" Cursor: "+cursor+" Blink: "+cursorBlink);
 			} else if ((data & 0b00000100) == 0b00000100) {
 				//ENTRY MODE SET
 				if ((data & 0b00000010) == 0b00000010) {
 					increment = true;
 				} else {
 					increment = false;
 				}
-				System.out.println("Set Entry Mode: Increment: "+increment);
+				if (debug)
+					System.out.println("Set Entry Mode: Increment: "+increment);
 			} else if ((data & 0b00000010) == 0b00000010) {
 				//RETURN HOME
 				cursorPos = 0;
-				System.out.println("Return Home");
+				if (debug)
+					System.out.println("Return Home");
 			} else if (data == 0b00000001) {
 				//CLEAR
 				cursorPos = 0;
 				text = new char[0x50];
 				for (int i = 0; i < 0x50; i++) {
 					text[i] = ' ';
 				}
-				System.out.println("Cleared!");
+				if (debug)
+					System.out.println("Cleared!");
 			}
 		} else {
 			//DATA
 			text[cursorPos] = (char)data;
 			int prevCursorPos = cursorPos;
 			cursorPos += increment ? 1 : -1;
-			System.out.println("Data: Wrote "+(char)data+" at "+prevCursorPos);
+			if (debug)
+				System.out.println("Data: Wrote "+(char)data+" at "+prevCursorPos);
 		}
 	}