Version 1.0.7 - changes by Nick

- fixed disk emulation bug (sense write protect entered write mode)
- now honour diskWritable parameter (but writing is not implemented)
- support meta tag for volume number in disk filename eg: Vol2_Meta_DV2.dsk
- added isPaddleEnabled parameter
- exposed setPaddleEnabled(boolean value), setPaddleInverted(boolean value)
- paddle values are now 255 at startup (ie. correct if disabled/not present)
- minor AppleSpeaker fix (SourceDataLine.class) thanks to William Halliburton
This commit is contained in:
sicklittlemonkey 2015-08-01 19:49:51 +12:00
parent 912d6c3dbc
commit af1cec23d3
7 changed files with 215 additions and 76 deletions

View File

@ -459,8 +459,8 @@ public class AppleDisplay implements Runnable {
boolean isDoubleTextMode = ((graphicsMode & EmAppleII.GR_80CHAR) == EmAppleII.GR_80CHAR);
boolean isDoubleGraphicsMode = ((graphicsMode & (EmAppleII.GR_80CHAR | EmAppleII.GR_DHIRES)) == (EmAppleII.GR_80CHAR | EmAppleII.GR_DHIRES));
int baseAddressText = isPage2 ? apple.MEM_MAIN_RAM2 : apple.MEM_MAIN_TEXT;
int baseAddressHires = isPage2 ? apple.MEM_MAIN_RAM3 : apple.MEM_MAIN_HIRES;
int baseAddressText = isPage2 ? EmAppleII.MEM_MAIN_RAM2 : EmAppleII.MEM_MAIN_TEXT;
int baseAddressHires = isPage2 ? EmAppleII.MEM_MAIN_RAM3 : EmAppleII.MEM_MAIN_HIRES;
// Set char map
if (isCharsetUpdateRequested) {
@ -769,7 +769,7 @@ public class AppleDisplay implements Runnable {
}
private void renderText(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYStart = isMixedMode ? 20 : 0;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = screenCharYStart * DISPLAY_CHAR_SIZE_Y * DISPLAY_SIZE_X;
@ -820,7 +820,7 @@ public class AppleDisplay implements Runnable {
}
private void renderDoubleText(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYStart = isMixedMode ? 20 : 0;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = screenCharYStart * DISPLAY_CHAR_SIZE_Y * DISPLAY_SIZE_X;
@ -873,7 +873,7 @@ public class AppleDisplay implements Runnable {
}
private void renderLores(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYEnd = isMixedMode ? 20 : 24;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = 0;
@ -904,7 +904,7 @@ public class AppleDisplay implements Runnable {
*/
private void renderDoubleLores(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYEnd = isMixedMode ? 20 : 24;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = 0;
@ -998,7 +998,7 @@ public class AppleDisplay implements Runnable {
}
private void renderHires(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYEnd = isMixedMode ? 20 : 24;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = 0;
@ -1089,7 +1089,7 @@ public class AppleDisplay implements Runnable {
}
private void renderDoubleHires(int baseAddress, boolean isMixedMode) {
int screenCharY, screenCharYEnd = isMixedMode ? 20 : 24;
int displayOffset, sourceOffset;
int displayOffset;
int address, addressEnd, addressStart;
displayOffset = 0;

View File

@ -2,25 +2,32 @@
/**
* AppleIIGo
* The Java Apple II Emulator
* (C) 2006 by Marc S. Ressl (ressl@lonetree.com)
* (C) 2009 by Nick Westgate (Nick.Westgate@gmail.com)
* Released under the GPL
* Copyright 2009 by Nick Westgate (Nick.Westgate@gmail.com)
* Copyright 2006 by Marc S. Ressl (ressl@lonetree.com)
* Released under the GNU General Public License version 2
* See http://www.gnu.org/licenses/
*
* Change list:
*
* Version 1.0.6 - changes by Nick:
* Version 1.0.7 - changes by Nick:
* - fixed disk emulation bug (sense write protect entered write mode)
* - now honour diskWritable parameter (but writing is not implemented)
* - support meta tag for volume number in disk filename eg: Vol2_Meta_DV2.dsk
* - added isPaddleEnabled parameter
* - exposed setPaddleEnabled(boolean value), setPaddleInverted(boolean value)
* - paddle values are now 255 at startup (ie. correct if disabled/not present)
* - minor AppleSpeaker fix (SourceDataLine.class) thanks to William Halliburton
*
* Version 1.0.6 - changes by Nick:
* - exposed F3/F4 disk swapping method: cycleDisk(int driveNumber)
* - exposed reset() method
* - exposed setSpeed(int value) method
*
* Version 1.0.5 - changes by Nick:
*
* - added support for .NIB (nibble) disk images (also inside ZIP archives)
* - added disk speedup hacks for DOS (expect ~2x faster reads)
*
* Version 1.0.4 - changes by Nick:
*
* - added support for .PO (ProDOS order) disk images (also inside ZIP archives)
* - added Command key for Closed-Apple on Mac OS X
* - added Home and End keys for Open-Apple and Closed-Apple on full keyboards
@ -66,8 +73,11 @@ import java.util.zip.ZipInputStream;
public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
MouseListener, MouseMotionListener {
final String version = "1.0.6";
private static final long serialVersionUID = -3302282815441501352L;
final String version = "1.0.7";
final String versionString = "AppleIIGo Version " + version;
final String metaStart = "_meta_";
// Class instances
private EmAppleII apple;
@ -82,6 +92,7 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
private boolean keyboardUppercaseOnly;
// Paddle variables
private boolean isPaddleEnabled;
private boolean isPaddleInverted;
// Disk variables - TODO: refactor into a class
@ -132,6 +143,10 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
// Keyboard
keyboardUppercaseOnly = getAppletParameter("keyboardUppercaseOnly", "true").equals("true");
// Paddles
isPaddleEnabled = getAppletParameter("paddleEnabled", "true").equals("true");
isPaddleInverted = getAppletParameter("paddleInverted", "false").equals("true");
// Display
display = new AppleDisplay(this, apple);
display.setScale(new Float(getAppletParameter("displayScale", "1")).floatValue());
@ -361,8 +376,65 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
StringBuffer diskname = new StringBuffer();
DataInputStream is = openInputStream(resource, diskname);
int diskVolumeNumber = DiskII.DEFAULT_VOLUME;
success = disk.readDisk(drive, is, diskname.toString(), false);
// handle disk meta tag for disk volume (etc?)
// could break this out into a method, but then multiple tags ...?
String lowerDiskname = diskname.toString().toLowerCase();
int metaIndex = lowerDiskname.indexOf(metaStart);
if (metaIndex != -1)
{
metaIndex += metaStart.length();
int command = 0;
int operand = 0;
boolean execute = false;
while (metaIndex < lowerDiskname.length())
{
char c = lowerDiskname.charAt(metaIndex++);
switch (c)
{
case '0': case '1':case '2':case '3':case '4':
case '5': case '6':case '7':case '8':case '9':
{
operand = 10 * operand + (c - '0');
break;
}
case '.': // end meta
metaIndex = lowerDiskname.length();
execute = true;
break;
case '_': // end word
execute = true;
break;
default:
{
if (c >= 'a' && c <= 'z')
{
command = (command << 16) + c;
execute = (command & 0xFFFF0000) != 0;
}
break;
}
}
if (execute)
{
switch (command)
{
case ('d' << 16) + 'v':
diskVolumeNumber = operand;
break;
}
command = 0;
operand = 0;
}
}
}
success = disk.readDisk(drive, is, diskname.toString(), !diskWritable, diskVolumeNumber);
is.close();
showStatus("Drive " + (drive + 1) + ": " + resource);
} catch (Exception e) {
@ -377,7 +449,7 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
*/
public void unmountDisk(int drive) {
debug("unmountDisk(drive: " + drive + ")");
if ((drive < 0) || (drive > 2))
if ((drive < 0) || (drive > 1))
return;
if (!diskWritable)
@ -399,14 +471,35 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
display.setColorMode(value);
}
/**
* Set paddle enabled/disabled
*/
public void setPaddleEnabled(boolean value) {
debug("setPaddleEnabled(value: " + value + ")");
isPaddleEnabled = value;
if (!value)
{
apple.paddle.setPaddlePos(0, Paddle.PADDLE_HIGH);
apple.paddle.setPaddlePos(1, Paddle.PADDLE_HIGH);
apple.paddle.setButton(0, false);
apple.paddle.setButton(1, false);
}
}
/**
* Set paddle inverted/normal
*/
public void setPaddleInverted(boolean value) {
debug("setPaddleInverted(value: " + value + ")");
isPaddleInverted = value;
}
/**
* Get disk activity
*/
public boolean getDiskActivity() {
return (!isCpuPaused && disk.isMotorOn());
}
/**
* KeyListener event handling
@ -575,11 +668,7 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
// else fall through
case KeyEvent.VK_KP_LEFT:
case KeyEvent.VK_KP_RIGHT:
if (isPaddleInverted) {
apple.paddle.setPaddlePos(1, 127);
} else {
apple.paddle.setPaddlePos(0, 127);
}
handleKeypadCentreX();
break;
case KeyEvent.VK_UP:
case KeyEvent.VK_DOWN:
@ -588,11 +677,7 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
// else fall through
case KeyEvent.VK_KP_UP:
case KeyEvent.VK_KP_DOWN:
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, 127);
} else {
apple.paddle.setPaddlePos(1, 127);
}
handleKeypadCentreY();
break;
case KeyEvent.VK_HOME:
if (!e.isControlDown())
@ -604,36 +689,70 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
}
}
private void handleKeypadCentreX() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(1, 127);
} else {
apple.paddle.setPaddlePos(0, 127);
}
}
}
private void handleKeypadCentreY() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, 127);
} else {
apple.paddle.setPaddlePos(1, 127);
}
}
}
private void handleKeypadLeft() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(1, 255);
} else {
apple.paddle.setPaddlePos(0, 0);
}
}
}
private void handleKeypadRight() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(1, 0);
} else {
apple.paddle.setPaddlePos(0, 255);
}
}
}
private void handleKeypadUp() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, 255);
} else {
apple.paddle.setPaddlePos(1, 0);
}
}
}
private void handleKeypadDown() {
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, 0);
} else {
apple.paddle.setPaddlePos(1, 255);
}
}
}
/**
@ -677,20 +796,24 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
public void mousePressed(MouseEvent e) {
int modifiers = e.getModifiers();
if ((modifiers & InputEvent.BUTTON1_MASK) != 0)
apple.paddle.setButton(0, true);
if ((modifiers & InputEvent.BUTTON3_MASK) != 0)
apple.paddle.setButton(1, true);
if (isPaddleEnabled)
{
if ((modifiers & InputEvent.BUTTON1_MASK) != 0)
apple.paddle.setButton(0, true);
if ((modifiers & InputEvent.BUTTON3_MASK) != 0)
apple.paddle.setButton(1, true);
}
}
public void mouseReleased(MouseEvent e) {
int modifiers = e.getModifiers();
if ((modifiers & InputEvent.BUTTON1_MASK) != 0)
apple.paddle.setButton(0, false);
if ((modifiers & InputEvent.BUTTON3_MASK) != 0)
apple.paddle.setButton(1, false);
if (isPaddleEnabled)
{
if ((modifiers & InputEvent.BUTTON1_MASK) != 0)
apple.paddle.setButton(0, false);
if ((modifiers & InputEvent.BUTTON3_MASK) != 0)
apple.paddle.setButton(1, false);
}
}
public void mouseDragged(MouseEvent e) {
@ -699,12 +822,15 @@ public class AppleIIGo extends Applet implements KeyListener, ComponentListener,
public void mouseMoved(MouseEvent e) {
float scale = display.getScale();
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, (int) (255 - e.getY() * 256 / (192 * scale)));
apple.paddle.setPaddlePos(1, (int) (255 - e.getX() * 256 / (280 * scale)));
} else {
apple.paddle.setPaddlePos(0, (int) (e.getX() * 256 / (280 * scale)));
apple.paddle.setPaddlePos(1, (int) (e.getY() * 256 / (192 * scale)));
if (isPaddleEnabled)
{
if (isPaddleInverted) {
apple.paddle.setPaddlePos(0, (int) (255 - e.getY() * 256 / (192 * scale)));
apple.paddle.setPaddlePos(1, (int) (255 - e.getX() * 256 / (280 * scale)));
} else {
apple.paddle.setPaddlePos(0, (int) (e.getX() * 256 / (280 * scale)));
apple.paddle.setPaddlePos(1, (int) (e.getY() * 256 / (192 * scale)));
}
}
}

View File

@ -13,7 +13,7 @@ public class AppleSpeaker implements Runnable {
private EmAppleII apple;
// Refresh
private int refreshRate;
// private int refreshRate;
private long refreshInterval;
// Sound stuff
@ -58,7 +58,7 @@ public class AppleSpeaker implements Runnable {
if (value <= 0.0f)
return;
this.refreshRate = value;
// this.refreshRate = value;
refreshInterval = (int) (1000.0 / value);
speakerClocksPerSample = (int) (apple.getCpuSpeed() * 1000.0f / SPEAKER_SAMPLERATE);
@ -67,9 +67,9 @@ public class AppleSpeaker implements Runnable {
/**
* Get refresh rate
*/
private int getRefreshRate() {
return refreshRate;
}
// private int getRefreshRate() {
// return refreshRate;
// }
/**
* Set speaker volume
@ -120,7 +120,7 @@ public class AppleSpeaker implements Runnable {
SPEAKER_BIGENDIAN);
DataLine.Info info = new DataLine.Info(
DataLine.class,
SourceDataLine.class,
audioFormat);
try {

View File

@ -37,6 +37,7 @@ public class DiskII extends Peripheral {
private static final int DOS_NUM_TRACKS = 35;
private static final int DOS_TRACK_BYTES = 256 * DOS_NUM_SECTORS;
private static final int RAW_TRACK_BYTES = 0x1A00; // 0x1A00 (6656) for .NIB (was 6250)
public static final int DEFAULT_VOLUME = 254;
// Disk II direct access variables
private int drive = 0;
@ -108,8 +109,8 @@ public class DiskII extends Peripheral {
super();
this.apple = apple;
readDisk(0, null, "", false);
readDisk(1, null, "", false);
readDisk(0, null, "", false, DEFAULT_VOLUME);
readDisk(1, null, "", false, DEFAULT_VOLUME);
}
/**
@ -137,6 +138,7 @@ public class DiskII extends Peripheral {
if (currPhysTrack < ((2 * DOS_NUM_TRACKS) - 1))
currPhysTrack++;
}
//System.out.println("half track=" + currPhysTrack);
realTrack = diskData[drive][currPhysTrack >> 1];
break;
case 0x3:
@ -149,6 +151,7 @@ public class DiskII extends Peripheral {
if (currPhysTrack < ((2 * DOS_NUM_TRACKS) - 1))
currPhysTrack++;
}
//System.out.println("half track=" + currPhysTrack);
realTrack = diskData[drive][currPhysTrack >> 1];
break;
case 0x5:
@ -161,6 +164,7 @@ public class DiskII extends Peripheral {
if (currPhysTrack < ((2 * DOS_NUM_TRACKS) - 1))
currPhysTrack++;
}
//System.out.println("half track=" + currPhysTrack);
realTrack = diskData[drive][currPhysTrack >> 1];
break;
case 0x7:
@ -173,6 +177,7 @@ public class DiskII extends Peripheral {
if (currPhysTrack < ((2 * DOS_NUM_TRACKS) - 1))
currPhysTrack++;
}
//System.out.println("half track=" + currPhysTrack);
realTrack = diskData[drive][currPhysTrack >> 1];
break;
case 0x8:
@ -272,12 +277,12 @@ public class DiskII extends Peripheral {
* @param is InputStream
* @param drive Disk II drive
*/
public boolean readDisk(int drive, DataInputStream is, String name, boolean isWriteProtected) {
public boolean readDisk(int drive, DataInputStream is, String name, boolean isWriteProtected, int volumeNumber) {
byte[] track = new byte[DOS_TRACK_BYTES];
String lowerDiskname = name.toLowerCase();
boolean proDos = lowerDiskname.indexOf(".po") != -1;
boolean nib = lowerDiskname.indexOf(".nib") != -1;
String lowerName = name.toLowerCase();
boolean proDos = lowerName.indexOf(".po") != -1;
boolean nib = lowerName.indexOf(".nib") != -1;
try {
for (int trackNum = 0; trackNum < DOS_NUM_TRACKS; trackNum++) {
@ -291,7 +296,7 @@ public class DiskII extends Peripheral {
else
{
is.readFully(track, 0, DOS_TRACK_BYTES);
trackToNibbles(track, diskData[drive][trackNum], 254, trackNum, !proDos);
trackToNibbles(track, diskData[drive][trackNum], volumeNumber, trackNum, !proDos);
}
}
}
@ -341,10 +346,10 @@ public class DiskII extends Peripheral {
{
// Read data: C0xE, C0xC
latchData = (realTrack[currNibble] & 0xff);
// simple hack to help DOS find address prologues ($B94F)
if (apple.memoryRead(apple.PC + 3) == 0xD5 && // #$D5
latchData != 0xD5 &&
if (/* fastDisk && */ latchData != 0xD5 && // TODO: fastDisk property to enable/disable
apple.memoryRead(apple.PC + 3) == 0xD5 && // #$D5
apple.memoryRead(apple.PC + 2) == 0xC9 && // CMP
apple.memoryRead(apple.PC + 1) == 0xFB && // PC - 3
apple.memoryRead(apple.PC + 0) == 0x10) // BPL
@ -359,7 +364,7 @@ public class DiskII extends Peripheral {
}
while (latchData != 0xD5 && --count > 0);
}
// simple hack to fool DOS drive spin detect routine ($BD34)
// simple hack to fool DOS 3.3 RWTS drive spin detect routine ($BD34)
else if (apple.memoryRead(apple.PC - 3) == 0xDD && // CMP $C08C,X
apple.memoryRead(apple.PC + 1) == 0x03 && // PC + 3
apple.memoryRead(apple.PC + 0) == 0xD0) // BNE
@ -394,9 +399,7 @@ public class DiskII extends Peripheral {
* @param address Address
*/
private void ioLatchD(int value) {
// Prepare write
writeMode = true;
latchData = value;
// Prepare for write protect sense
latchAddress = 0xd;
}

View File

@ -183,11 +183,11 @@ public class Em6502 {
private final void setFC(boolean c) {result = (c ? 0x100 : 0x00);}
/*
* Macro for page crossing cycle regulation
* Macro for page crossing cycle regulation - TODO: Why not used!? CPU probably not cycle accurate.
*/
private final void checkCrossPage(int addr, int offset) {
if ((((addr + offset) ^ addr) & 0xff00) != 0) clock++;
}
// private final void checkCrossPage(int addr, int offset) {
// if ((((addr + offset) ^ addr) & 0xff00) != 0) clock++;
// }
/*
* Macros for effective address calculation
@ -1539,6 +1539,9 @@ public class Em6502 {
default: // unknown instructions
clock += 2;
}
// if (PC == 0xB30)
// throw (new RuntimeException()); // TODO: for breakpoint hack - disable
}
public final int executeInstructions(int num) {

View File

@ -74,8 +74,9 @@ public class EmAppleII extends Em6502 implements Runnable {
public static final int GR_DHIRES = (1 << 7);
// Sound
public static final int SPEAKER_FLIPS_SIZE = 4096;
public static final int SPEAKER_FLIPS_MASK = 4095;
public static final int SPEAKER_FLIPS_BITS = 12;
public static final int SPEAKER_FLIPS_SIZE = 1 << SPEAKER_FLIPS_BITS;
public static final int SPEAKER_FLIPS_MASK = SPEAKER_FLIPS_SIZE - 1;
public int speakerFlips[] = new int[SPEAKER_FLIPS_SIZE];
public int speakerFlipsPointer = 0;
@ -1126,6 +1127,7 @@ public class EmAppleII extends Em6502 implements Runnable {
checkInterrupts();
// try {
if (isStepMode) {
if (isNextStep) {
isNextStep = false;
@ -1136,6 +1138,11 @@ public class EmAppleII extends Em6502 implements Runnable {
while (clocksNeeded > 0)
clocksNeeded -= executeInstructions(1 + (clocksNeeded >> 3));
}
// }
// catch (RuntimeException e)
// {
// setStepMode(true); // TODO: for breakpoint hack - disable
// }
// TODO: need something like the following for fast disk access
//if (slots[6] instanceof DiskII && !((DiskII)slots[6]).isMotorOn())

View File

@ -22,7 +22,7 @@ public class Paddle {
private int[] buttonRegister = new int[4];
// Paddle variables
private int paddleMode;
// private int paddleMode; // TODO: Was this for analog/digital mode? (Nick)
private int[] paddleClockEvent = new int[4];
private int[] paddleClockInc = new int[4];
@ -35,10 +35,10 @@ public class Paddle {
public Paddle(EmAppleII apple) {
this.apple = apple;
setPaddlePos(0, PADDLE_CENTER);
setPaddlePos(1, PADDLE_CENTER);
setPaddlePos(2, PADDLE_CENTER);
setPaddlePos(3, PADDLE_CENTER);
setPaddlePos(0, PADDLE_HIGH);
setPaddlePos(1, PADDLE_HIGH);
setPaddlePos(2, PADDLE_HIGH);
setPaddlePos(3, PADDLE_HIGH);
}
/**