diff options
| -rw-r--r-- | boot.php | 8 | ||||
| -rw-r--r-- | src/GameBoy/Canvas/DrawContextInterface.php | 6 | ||||
| -rw-r--r-- | src/GameBoy/Canvas/TerminalCanvas.php | 4 | ||||
| -rw-r--r-- | src/GameBoy/Cbopcode.php | 10 | ||||
| -rw-r--r-- | src/GameBoy/Core.php | 607 | ||||
| -rw-r--r-- | src/GameBoy/Keyboard.php | 6 | ||||
| -rw-r--r-- | src/GameBoy/Opcode.php | 81 | ||||
| -rw-r--r-- | src/GameBoy/Settings.php | 48 | ||||
| -rw-r--r-- | src/GameBoy/TICKTables.php | 77 |
9 files changed, 394 insertions, 453 deletions
@@ -1,11 +1,10 @@ <?php -require_once __DIR__.'/vendor/autoload.php'; +require_once __DIR__ . '/vendor/autoload.php'; use GameBoy\Canvas\TerminalCanvas; use GameBoy\Core; use GameBoy\Keyboard; -use GameBoy\Settings; if (count($argv) < 2) { echo 'You need to pass the ROM file name (Ex: drmario.rom)'; @@ -29,7 +28,6 @@ if ($core->stopEmulator & 2 == 2) { } } else if (($core->stopEmulator & 2) == 0) { echo 'The GameBoy core is already running.' . PHP_EOL; -} -else { +} else { echo 'GameBoy core cannot run while it has not been initialized.' . PHP_EOL; -}
\ No newline at end of file +} diff --git a/src/GameBoy/Canvas/DrawContextInterface.php b/src/GameBoy/Canvas/DrawContextInterface.php index 73f0c43..1666d92 100644 --- a/src/GameBoy/Canvas/DrawContextInterface.php +++ b/src/GameBoy/Canvas/DrawContextInterface.php @@ -7,12 +7,12 @@ namespace GameBoy\Canvas; */ interface DrawContextInterface { - /** + /** * Draw image on canvas * * @param Array $canvasBuffer Each pixel => 4 items on array (RGBA) * @param int $left * @param int $top */ - public function draw($canvasBuffer, $left, $top); -}
\ No newline at end of file + public function draw($canvasBuffer, $left, $top); +} diff --git a/src/GameBoy/Canvas/TerminalCanvas.php b/src/GameBoy/Canvas/TerminalCanvas.php index c3a4ac9..12b772f 100644 --- a/src/GameBoy/Canvas/TerminalCanvas.php +++ b/src/GameBoy/Canvas/TerminalCanvas.php @@ -23,7 +23,7 @@ class TerminalCanvas implements DrawContextInterface * @param int $left * @param int $top */ - public function draw($canvasBuffer, $left, $top) + public function draw($canvasBuffer, $left, $top) { //Corner pixel, to draw same size each time $this->canvas->set(0, 0); @@ -55,4 +55,4 @@ class TerminalCanvas implements DrawContextInterface echo $this->canvas->frame(); $this->canvas->clear(); } -}
\ No newline at end of file +} diff --git a/src/GameBoy/Cbopcode.php b/src/GameBoy/Cbopcode.php index 062a691..5d2990e 100644 --- a/src/GameBoy/Cbopcode.php +++ b/src/GameBoy/Cbopcode.php @@ -3,10 +3,10 @@ namespace GameBoy; class Cbopcode { - public $functionsArray = []; + public $functionsArray = []; - public function __construct() - { + public function __construct() + { //#0x00: $this->functionsArray[] = function ($parentObj) { $parentObj->FCarry = (($parentObj->registerB & 0x80) == 0x80); @@ -1136,10 +1136,10 @@ class Cbopcode $this->functionsArray[] = function ($parentObj) { $parentObj->registerA |= 0x80; }; - } + } public function get() { return $this->functionsArray; } -}
\ No newline at end of file +} diff --git a/src/GameBoy/Core.php b/src/GameBoy/Core.php index 97097f2..42b35c4 100644 --- a/src/GameBoy/Core.php +++ b/src/GameBoy/Core.php @@ -286,7 +286,7 @@ class Core // 1 Bank = 16 KBytes = 256 Kbits public $ROMBanks = [ - 2, 4, 8, 16, 32, 64, 128, 256, 512 + 2, 4, 8, 16, 32, 64, 128, 256, 512, ]; //How many RAM banks were actually allocated? @@ -516,7 +516,7 @@ class Core $this->skipPCIncrement, $this->STATTracker, $this->gbcRamBankPositionECHO, - $this->numRAMBanks + $this->numRAMBanks, ]; } @@ -635,22 +635,23 @@ class Core public function start() { - Settings::$settings[4] = 0; //Reset the frame skip setting. + Settings::$settings[4] = 0; //Reset the frame skip setting. $this->initializeLCDController(); //Compile the LCD controller functions. - $this->initMemory(); //Write the startup memory. - $this->ROMLoad(); //Load the ROM into memory and get cartridge information from it. - $this->initLCD(); //Initializae the graphics. - $this->run(); //Start the emulation. + $this->initMemory(); //Write the startup memory. + $this->ROMLoad(); //Load the ROM into memory and get cartridge information from it. + $this->initLCD(); //Initializae the graphics. + $this->run(); //Start the emulation. } - public function initMemory() { + public function initMemory() + { //Initialize the RAM: $this->memory = $this->getTypedArray(0x10000, 0, 'uint8'); $this->frameBuffer = $this->getTypedArray(23040, 0x00FFFFFF, 'int32'); - $this->gbPalette = $this->ArrayPad(12, 0); //32-bit signed - $this->gbColorizedPalette = $this->ArrayPad(12, 0); //32-bit signed - $this->gbcRawPalette = $this->ArrayPad(0x80, -1000); //32-bit signed - $this->gbcPalette = [0x40]; //32-bit signed + $this->gbPalette = $this->ArrayPad(12, 0); //32-bit signed + $this->gbColorizedPalette = $this->ArrayPad(12, 0); //32-bit signed + $this->gbcRawPalette = $this->ArrayPad(0x80, -1000); //32-bit signed + $this->gbcPalette = [0x40]; //32-bit signed //Initialize the GBC Palette: $index = 0x3F; @@ -660,7 +661,8 @@ class Core } } - public function initSkipBootstrap() { + public function initSkipBootstrap() + { //Start as an unset device: echo 'Starting without the GBC boot ROM' . PHP_EOL; @@ -706,7 +708,8 @@ class Core } } - public function initBootstrap() { + public function initBootstrap() + { //Start as an unset device: echo 'Starting the GBC boot ROM.' . PHP_EOL; @@ -722,10 +725,11 @@ class Core $this->registerE = 0; $this->FZero = $this->FSubtract = $this->FHalfCarry = $this->FCarry = false; $this->registersHL = 0; - $this->memory[0xFF00] = 0xF; //Set the joypad state. + $this->memory[0xFF00] = 0xF; //Set the joypad state. } - public function ROMLoad() { + public function ROMLoad() + { //Load the first two ROM banks (0x0000 - 0x7FFF) into regular gameboy memory: $this->ROM = $this->getTypedArray(strlen($this->ROMImage), 0, "uint8"); @@ -736,10 +740,9 @@ class Core $this->ROM[$romIndex] = (ord($this->ROMImage[$romIndex]) & 0xFF); if ($romIndex < 0x8000) { if (!$this->usedBootROM || $romIndex >= 0x900 || ($romIndex >= 0x100 && $romIndex < 0x200)) { - $this->memory[$romIndex] = $this->ROM[$romIndex]; //Load in the game ROM. - } - else { - $this->memory[$romIndex] = $this->GBCBOOTROM[$romIndex]; //Load in the GameBoy Color BOOT ROM. + $this->memory[$romIndex] = $this->ROM[$romIndex]; //Load in the game ROM. + } else { + $this->memory[$romIndex] = $this->GBCBOOTROM[$romIndex]; //Load in the GameBoy Color BOOT ROM. } } } @@ -932,15 +935,15 @@ class Core //Check the GB/GBC mode byte: if (!$this->usedBootROM) { switch ($this->ROM[0x143]) { - case 0x00: //Only GB mode + case 0x00: //Only GB mode $this->cGBC = false; echo "Only GB mode detected." . PHP_EOL; break; - case 0x80: //Both GB + GBC modes - $this->cGBC = ! Settings::$settings[2]; + case 0x80: //Both GB + GBC modes + $this->cGBC = !Settings::$settings[2]; echo "GB and GBC mode detected." . PHP_EOL; break; - case 0xC0: //Only GBC mode + case 0xC0: //Only GBC mode $this->cGBC = true; echo "Only GBC mode detected." . PHP_EOL; break; @@ -950,12 +953,11 @@ class Core } $this->inBootstrap = false; - $this->setupRAM(); //CPU/(V)RAM initialization. + $this->setupRAM(); //CPU/(V)RAM initialization. $this->initSkipBootstrap(); - } - else { - $this->cGBC = true; //Allow the GBC boot ROM to run in GBC mode... - $this->setupRAM(); //CPU/(V)RAM initialization. + } else { + $this->cGBC = true; //Allow the GBC boot ROM to run in GBC mode... + $this->setupRAM(); //CPU/(V)RAM initialization. $this->initBootstrap(); } $this->checkPaletteType(); @@ -965,18 +967,18 @@ class Core if ($cOldLicense != 0x33) { //Old Style License Header echo "Old style license code: " . $cOldLicense . PHP_EOL; - } - else { + } else { //New Style License Header echo "New style license code: " . $cNewLicense . PHP_EOL; } } - public function disableBootROM() { + public function disableBootROM() + { //Remove any traces of the boot ROM from ROM memory. for ($index = 0; $index < 0x900; $index++) { - if ($index < 0x100 || $index >= 0x200) { //Skip the already loaded in ROM header. - $this->memory[$index] = $this->ROM[$index]; //Replace the GameBoy Color boot ROM with the game ROM. + if ($index < 0x100 || $index >= 0x200) { //Skip the already loaded in ROM header. + $this->memory[$index] = $this->ROM[$index]; //Replace the GameBoy Color boot ROM with the game ROM. } } $this->checkPaletteType(); @@ -1003,18 +1005,16 @@ class Core $this->memoryWriteJumpCompile(); } - public function setupRAM() { + public function setupRAM() + { //Setup the auxilliary/switchable RAM to their maximum possible size (Bad headers can lie). if ($this->cMBC2) { $this->numRAMBanks = 1 / 16; - } - else if ($this->cMBC1 || $this->cRUMBLE || $this->cMBC3 || $this->cHuC3) { + } else if ($this->cMBC1 || $this->cRUMBLE || $this->cMBC3 || $this->cHuC3) { $this->numRAMBanks = 4; - } - else if ($this->cMBC5) { + } else if ($this->cMBC5) { $this->numRAMBanks = 16; - } - else if ($this->cSRAM) { + } else if ($this->cSRAM) { $this->numRAMBanks = 1; } if ($this->numRAMBanks > 0) { @@ -1041,11 +1041,13 @@ class Core $this->memoryWriteJumpCompile(); } - public function MBCRAMUtilized() { + public function MBCRAMUtilized() + { return $this->cMBC1 || $this->cMBC2 || $this->cMBC3 || $this->cMBC5 || $this->cRUMBLE; } - public function initLCD() { + public function initLCD() + { $this->transparentCutoff = (Settings::$settings[17] || $this->cGBC) ? 32 : 4; if (count($this->weaveLookup) == 0) { //Setup the image decoding lookup table: @@ -1088,18 +1090,18 @@ class Core $this->memory[0xFF00] = ($this->memory[0xFF00] & 0x30) + (((($this->memory[0xFF00] & 0x20) == 0) ? ($this->JoyPad >> 4) : 0xF) & ((($this->memory[0xFF00] & 0x10) == 0) ? ($this->JoyPad & 0xF) : 0xF)); } - public function run() { + public function run() + { //The preprocessing before the actual iteration loop: try { if (($this->stopEmulator & 2) == 0) { if (($this->stopEmulator & 1) == 1) { $this->stopEmulator = 0; - $this->clockUpdate(); //Frame skip and RTC code. + $this->clockUpdate(); //Frame skip and RTC code. - if (!$this->halt) { //If no HALT... Execute normally + if (!$this->halt) { //If no HALT... Execute normally $this->executeIteration(); - } - else { //If we bailed out of a halt because the iteration ran down its timing. + } else { //If we bailed out of a halt because the iteration ran down its timing. $this->CPUTicks = 1; $this->OPCODE[0x76]($this); //Execute Interrupt: @@ -1108,8 +1110,7 @@ class Core $this->updateCore(); $this->executeIteration(); } - } - else { //We can only get here if there was an internal error, but the loop was restarted. + } else { //We can only get here if there was an internal error, but the loop was restarted. echo "Iterator restarted a faulted core." . PHP_EOL; pause(); } @@ -1121,7 +1122,8 @@ class Core } } - public function executeIteration() { + public function executeIteration() + { //Iterate the interpreter loop: $op = 0; @@ -1153,7 +1155,8 @@ class Core } } - public function runInterrupt() { + public function runInterrupt() + { $bitShift = 0; $testbit = 1; $interrupts = $this->memory[0xFFFF] & $this->memory[0xFF0F]; @@ -1161,8 +1164,8 @@ class Core while ($bitShift < 5) { //Check to see if an interrupt is enabled AND requested. if (($testbit & $interrupts) == $testbit) { - $this->IME = false; //Reset the interrupt enabling. - $this->memory[0xFF0F] -= $testbit; //Reset the interrupt request. + $this->IME = false; //Reset the interrupt enabling. + $this->memory[0xFF0F] -= $testbit; //Reset the interrupt request. //Set the stack pointer to the current program counter value: $this->stackPointer = $this->unswtuw($this->stackPointer - 1); $this->memoryWrite($this->stackPointer, $this->programCounter >> 8); @@ -1172,34 +1175,37 @@ class Core $this->programCounter = 0x0040 + ($bitShift * 0x08); //Interrupts have a certain clock cycle length: $this->CPUTicks += 5; //People say it's around 5. - break; //We only want the highest priority interrupt. + break; //We only want the highest priority interrupt. } $testbit = 1 << ++$bitShift; } } - public function scanLineMode2() { // OAM in use + public function scanLineMode2() + { // OAM in use if ($this->modeSTAT != 2) { if ($this->mode2TriggerSTAT) { - $this->memory[0xFF0F] |= 0x2;// set IF bit 1 + $this->memory[0xFF0F] |= 0x2; // set IF bit 1 } $this->STATTracker = 1; $this->modeSTAT = 2; } } - public function scanLineMode3() { // OAM in use + public function scanLineMode3() + { // OAM in use if ($this->modeSTAT != 3) { if ($this->mode2TriggerSTAT && $this->STATTracker == 0) { - $this->memory[0xFF0F] |= 0x2;// set IF bit 1 + $this->memory[0xFF0F] |= 0x2; // set IF bit 1 } $this->STATTracker = 1; $this->modeSTAT = 3; } } - public function scanLineMode0() { // H-Blank + public function scanLineMode0() + { // H-Blank if ($this->modeSTAT != 0) { if ($this->hdmaRunning && !$this->halt && $this->LCDisOn) { $this->performHdma(); //H-Blank DMA @@ -1213,19 +1219,20 @@ class Core } } - public function matchLYC() { // LY - LYC Compare + public function matchLYC() + { // LY - LYC Compare if ($this->memory[0xFF44] == $this->memory[0xFF45]) { // If LY==LCY $this->memory[0xFF41] |= 0x04; // set STAT bit 2: LY-LYC coincidence flag if ($this->LYCMatchTriggerSTAT) { $this->memory[0xFF0F] |= 0x2; // set IF bit 1 } - } - else { + } else { $this->memory[0xFF41] &= 0xFB; // reset STAT bit 2 (LY!=LYC) } } - public function updateCore() { + public function updateCore() + { // DIV control $this->DIVTicks += $this->CPUTicks; if ($this->DIVTicks >= 0x40) { @@ -1235,22 +1242,22 @@ class Core //LCD Controller Ticks $timedTicks = $this->CPUTicks / $this->multiplier; // LCD Timing - $this->LCDTicks += $timedTicks; //LCD timing + $this->LCDTicks += $timedTicks; //LCD timing $this->LCDCONTROL[$this->actualScanLine]($this); //Scan Line and STAT Mode Control //Audio Timing - $this->audioTicks += $timedTicks; //Not the same as the LCD timing (Cannot be altered by display on/off changes!!!). + $this->audioTicks += $timedTicks; //Not the same as the LCD timing (Cannot be altered by display on/off changes!!!). - if ($this->audioTicks >= Settings::$settings[11]) { //Are we past the granularity setting? + if ($this->audioTicks >= Settings::$settings[11]) { //Are we past the granularity setting? //Emulator Timing (Timed against audio for optimization): $this->emulatorTicks += $this->audioTicks; if ($this->emulatorTicks >= Settings::$settings[13]) { if (($this->stopEmulator & 1) == 0) { //Make sure we don't overdo the audio. - if ($this->drewBlank == 0) { //LCD off takes at least 2 frames. - $this->drawToCanvas(); //Display frame + if ($this->drewBlank == 0) { //LCD off takes at least 2 frames. + $this->drawToCanvas(); //Display frame } } - $this->stopEmulator |= 1; //End current loop. + $this->stopEmulator |= 1; //End current loop. $this->emulatorTicks = 0; } $this->audioTicks = 0; @@ -1264,15 +1271,15 @@ class Core if ($this->memory[0xFF05] == 0xFF) { $this->memory[0xFF05] = $this->memory[0xFF06]; $this->memory[0xFF0F] |= 0x4; // set IF bit 2 - } - else { + } else { $this->memory[0xFF05]++; } } } } - public function initializeLCDController() { + public function initializeLCDController() + { //Display on hanlding: $line = 0; @@ -1281,33 +1288,30 @@ class Core //We're on a normal scan line: $this->LINECONTROL[$line] = function ($parentObj) { if ($parentObj->LCDTicks < 20) { - $parentObj->scanLineMode2(); // mode2: 80 cycles - } - else if ($parentObj->LCDTicks < 63) { - $parentObj->scanLineMode3(); // mode3: 172 cycles - } - else if ($parentObj->LCDTicks < 114) { - $parentObj->scanLineMode0(); // mode0: 204 cycles - } - else { + $parentObj->scanLineMode2(); // mode2: 80 cycles + } else if ($parentObj->LCDTicks < 63) { + $parentObj->scanLineMode3(); // mode3: 172 cycles + } else if ($parentObj->LCDTicks < 114) { + $parentObj->scanLineMode0(); // mode0: 204 cycles + } else { //We're on a new scan line: $parentObj->LCDTicks -= 114; $parentObj->actualScanLine = ++$parentObj->memory[0xFF44]; $parentObj->matchLYC(); if ($parentObj->STATTracker != 2) { if ($parentObj->hdmaRunning && !$parentObj->halt && $parentObj->LCDisOn) { - $parentObj->performHdma(); //H-Blank DMA + $parentObj->performHdma(); //H-Blank DMA } if ($parentObj->mode0TriggerSTAT) { - $parentObj->memory[0xFF0F] |= 0x2;// set IF bit 1 + $parentObj->memory[0xFF0F] |= 0x2; // set IF bit 1 } } $parentObj->STATTracker = 0; - $parentObj->scanLineMode2(); // mode2: 80 cycles + $parentObj->scanLineMode2(); // mode2: 80 cycles if ($parentObj->LCDTicks >= 114) { //We need to skip 1 or more scan lines: $parentObj->notifyScanline(); - $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control + $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control } } }; @@ -1315,40 +1319,37 @@ class Core //We're on the last visible scan line of the LCD screen: $this->LINECONTROL[143] = function ($parentObj) { if ($parentObj->LCDTicks < 20) { - $parentObj->scanLineMode2(); // mode2: 80 cycles - } - else if ($parentObj->LCDTicks < 63) { - $parentObj->scanLineMode3(); // mode3: 172 cycles - } - else if ($parentObj->LCDTicks < 114) { - $parentObj->scanLineMode0(); // mode0: 204 cycles - } - else { + $parentObj->scanLineMode2(); // mode2: 80 cycles + } else if ($parentObj->LCDTicks < 63) { + $parentObj->scanLineMode3(); // mode3: 172 cycles + } else if ($parentObj->LCDTicks < 114) { + $parentObj->scanLineMode0(); // mode0: 204 cycles + } else { //Starting V-Blank: //Just finished the last visible scan line: $parentObj->LCDTicks -= 114; $parentObj->actualScanLine = ++$parentObj->memory[0xFF44]; $parentObj->matchLYC(); if ($parentObj->mode1TriggerSTAT) { - $parentObj->memory[0xFF0F] |= 0x2;// set IF bit 1 + $parentObj->memory[0xFF0F] |= 0x2; // set IF bit 1 } if ($parentObj->STATTracker != 2) { if ($parentObj->hdmaRunning && !$parentObj->halt && $parentObj->LCDisOn) { - $parentObj->performHdma(); //H-Blank DMA + $parentObj->performHdma(); //H-Blank DMA } if ($parentObj->mode0TriggerSTAT) { - $parentObj->memory[0xFF0F] |= 0x2;// set IF bit 1 + $parentObj->memory[0xFF0F] |= 0x2; // set IF bit 1 } } $parentObj->STATTracker = 0; $parentObj->modeSTAT = 1; - $parentObj->memory[0xFF0F] |= 0x1; // set IF flag 0 - if ($parentObj->drewBlank > 0) { //LCD off takes at least 2 frames. + $parentObj->memory[0xFF0F] |= 0x1; // set IF flag 0 + if ($parentObj->drewBlank > 0) { //LCD off takes at least 2 frames. $parentObj->drewBlank--; } if ($parentObj->LCDTicks >= 114) { //We need to skip 1 or more scan lines: - $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control + $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control } } }; @@ -1362,26 +1363,25 @@ class Core $parentObj->matchLYC(); if ($parentObj->LCDTicks >= 114) { //We need to skip 1 or more scan lines: - $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control + $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control } } }; - } - else { + } else { //VBlank Ending (We're on the last actual scan line) $this->LINECONTROL[153] = function ($parentObj) { if ($parentObj->memory[0xFF44] == 153) { - $parentObj->memory[0xFF44] = 0; //LY register resets to 0 early. - $parentObj->matchLYC(); //LY==LYC Test is early here (Fixes specific one-line glitches (example: Kirby2 intro)). + $parentObj->memory[0xFF44] = 0; //LY register resets to 0 early. + $parentObj->matchLYC(); //LY==LYC Test is early here (Fixes specific one-line glitches (example: Kirby2 intro)). } if ($parentObj->LCDTicks >= 114) { //We reset back to the beginning: $parentObj->LCDTicks -= 114; $parentObj->actualScanLine = 0; - $parentObj->scanLineMode2(); // mode2: 80 cycles + $parentObj->scanLineMode2(); // mode2: 80 cycles if ($parentObj->LCDTicks >= 114) { //We need to skip 1 or more scan lines: - $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control + $parentObj->LCDCONTROL[$parentObj->actualScanLine]($parentObj); //Scan Line and STAT Mode Control } } }; @@ -1391,7 +1391,8 @@ class Core $this->LCDCONTROL = ($this->LCDisOn) ? $this->LINECONTROL : $this->DISPLAYOFFCONTROL; } - public function DisplayShowOff() { + public function DisplayShowOff() + { if ($this->drewBlank == 0) { $this->canvasBuffer = array_fill(0, 4 * $this->width * $this->height, 255); $this->drawContext->draw($this->canvasBuffer, 0, 0); @@ -1399,7 +1400,8 @@ class Core } } - public function performHdma() { + public function performHdma() + { $this->CPUTicks += 1 + (8 * $this->multiplier); $dmaSrc = ($this->memory[0xFF51] << 8) + $this->memory[0xFF52]; @@ -1409,7 +1411,7 @@ class Core if ($this->currVRAMBank == 1) { while ($dmaDstRelative < $dmaDstFinal) { - if ($dmaDstRelative < 0x1800) { // Bkg Tile data area + if ($dmaDstRelative < 0x1800) { // Bkg Tile data area $tileIndex = ($dmaDstRelative >> 4) + 384; if ($this->tileReadState[$tileIndex] == 1) { $r = $tileRelative + $tileIndex; @@ -1424,7 +1426,7 @@ class Core } } else { while ($dmaDstRelative < $dmaDstFinal) { - if ($dmaDstRelative < 0x1800) { // Bkg Tile data area + if ($dmaDstRelative < 0x1800) { // Bkg Tile data area $tileIndex = $dmaDstRelative >> 4; if ($this->tileReadState[$tileIndex] == 1) { $r = $tileRelative + $tileIndex; @@ -1448,16 +1450,16 @@ class Core if ($this->memory[0xFF55] == 0) { $this->hdmaRunning = false; $this->memory[0xFF55] = 0xFF; //Transfer completed ("Hidden last step," since some ROMs don't imply this, but most do). - } - else { + } else { $this->memory[0xFF55]--; } } - public function clockUpdate() { + public function clockUpdate() + { //We're tying in the same timer for RTC and frame skipping, since we can and this reduces load. if (Settings::$settings[7] || $this->cTIMER) { - $timeElapsed = ((int) (microtime(true) * 1000)) - $this->lastIteration; //Get the numnber of milliseconds since this last executed. + $timeElapsed = ((int) (microtime(true) * 1000)) - $this->lastIteration; //Get the numnber of milliseconds since this last executed. if ($this->cTIMER && !$this->RTCHALT) { //Update the MBC3 RTC: $this->RTCSeconds += $timeElapsed / 1000; @@ -1485,8 +1487,7 @@ class Core if (Settings::$settings[4] < Settings::$settings[8]) { Settings::$settings[4]++; } - } - else if (Settings::$settings[4] > 0) { + } else if (Settings::$settings[4] > 0) { //We finished on time, decrease frame skipping (throttle to somewhere just below full speed)... Settings::$settings[4]--; } @@ -1495,7 +1496,8 @@ class Core } } - public function drawToCanvas() { + public function drawToCanvas() + { //Draw the frame buffer to the canvas: if (Settings::$settings[4] == 0 || $this->frameCount > 0) { //Copy and convert the framebuffer data to the CanvasPixelArray format. @@ -1524,14 +1526,16 @@ class Core } } - public function invalidateAll($pal) { + public function invalidateAll($pal) + { $stop = ($pal + 1) * $this->tileCountInvalidator; for ($r = $pal * $this->tileCountInvalidator; $r < $stop; $r++) { $this->tileData[$r] = null; } } - public function setGBCPalettePre($index_, $data) { + public function setGBCPalettePre($index_, $data) + { if ($this->gbcRawPalette[$index_] == $data) { return; } @@ -1545,14 +1549,16 @@ class Core $this->invalidateAll($index_ >> 3); } - public function setGBCPalette($index_, $data) { + public function setGBCPalette($index_, $data) + { $this->setGBCPalettePre($index_, $data); if (($index_ & 0x6) == 0) { $this->gbcPalette[$index_ >> 1] &= 0x00FFFFFF; } } - public function decodePalette($startIndex, $data) { + public function decodePalette($startIndex, $data) + { if (!$this->cGBC) { $this->gbPalette[$startIndex] = $this->colors[$data & 0x03] & 0x00FFFFFF; // color 0: transparent $this->gbPalette[$startIndex + 1] = $this->colors[($data >> 2) & 0x03]; @@ -1576,7 +1582,8 @@ class Core } } - public function notifyScanline() { + public function notifyScanline() + { if ($this->actualScanLine == 0) { $this->windowSourceLine = 0; } @@ -1598,7 +1605,8 @@ class Core } } - public function drawBackgroundForLine($line, $windowLeft, $priority) { + public function drawBackgroundForLine($line, $windowLeft, $priority) + { $skippedTile = false; $tileNum = 0; $tileXCoord = 0; @@ -1649,7 +1657,8 @@ class Core return $skippedTile; } - public function drawPartCopy($tileIndex, $x, $y, $sourceLine, $attribs) { + public function drawPartCopy($tileIndex, $x, $y, $sourceLine, $attribs) + { $image = $this->tileData[$tileIndex + $this->tileCount * $attribs] ? $this->tileData[$tileIndex + $this->tileCount * $attribs] : $this->updateImage($tileIndex, $attribs); $dst = $x + $y * 160; $src = $sourceLine * 8; @@ -1664,12 +1673,14 @@ class Core } } - public function checkPaletteType() { + public function checkPaletteType() + { //Reference the correct palette ahead of time... $this->palette = ($this->cGBC) ? $this->gbcPalette : (($this->usedBootROM && Settings::$settings[17]) ? $this->gbColorizedPalette : $this->gbPalette); } - public function updateImage($tileIndex, $attribs) { + public function updateImage($tileIndex, $attribs) + { $index_ = $tileIndex + $this->tileCount * $attribs; $otherBank = ($tileIndex >= 384); $offset = $otherBank ? (($tileIndex - 384) << 4) : ($tileIndex << 4); @@ -1696,7 +1707,7 @@ class Core for ($x = 8; --$x >= 0;) { $tempPix[$pixix] = $this->palette[$paletteStart + ($num & 3)] & -1; $pixix += $pixixdx; - $num >>= 2; + $num >>= 2; } $pixix += $pixixdy; } @@ -1706,7 +1717,8 @@ class Core return $this->tileData[$index_]; } - public function drawSpritesForLine($line) { + public function drawSpritesForLine($line) + { if (!$this->gfxSpriteShow) { return; } @@ -1733,49 +1745,43 @@ class Core if ($this->cGBC) { $spriteAttrib += 0x20 + (($attributes & 0x07) << 2); // palette $tileNum += (384 >> 3) * ($attributes & 0x08); // tile vram bank - } - else { + } else { // attributes 0x10: 0x00 = OBJ1 palette, 0x10 = OBJ2 palette // spriteAttrib: 0x04: OBJ1 palette, 0x08: OBJ2 palette $spriteAttrib += 0x4 + (($attributes & 0x10) >> 2); } if ($priorityFlag == 0x80) { - // background + // background if ($this->gfxSpriteDouble) { if (($spriteAttrib & 2) != 0) { $this->drawPartBgSprite(($tileNum | 1) - ($offset >> 3), $spriteX, $line, $offset & 7, $spriteAttrib); - } - else { + } else { $this->drawPartBgSprite(($tileNum & -2) + ($offset >> 3), $spriteX, $line, $offset & 7, $spriteAttrib); } - } - else { + } else { $this->drawPartBgSprite($tileNum, $spriteX, $line, $offset, $spriteAttrib); } - } - else { + } else { // foreground if ($this->gfxSpriteDouble) { if (($spriteAttrib & 2) != 0) { $this->drawPartFgSprite(($tileNum | 1) - ($offset >> 3), $spriteX, $line, $offset & 7, $spriteAttrib); - } - else { + } else { $this->drawPartFgSprite(($tileNum & -2) + ($offset >> 3), $spriteX, $line, $offset & 7, $spriteAttrib); } - } - else { + } else { $this->drawPartFgSprite($tileNum, $spriteX, $line, $offset, $spriteAttrib); } } - } - else { + } else { $oamIx -= 3; } } } } - public function drawPartFgSprite($tileIndex, $x, $y, $sourceLine, $attribs) { + public function drawPartFgSprite($tileIndex, $x, $y, $sourceLine, $attribs) + { $im = $this->tileData[$tileIndex + $this->tileCount * $attribs] ? $this->tileData[$tileIndex + $this->tileCount * $attribs] : $this->updateImage($tileIndex, $attribs); if ($im === true) { return; @@ -1795,7 +1801,8 @@ class Core } } - public function drawPartBgSprite($tileIndex, $x, $y, $sourceLine, $attribs) { + public function drawPartBgSprite($tileIndex, $x, $y, $sourceLine, $attribs) + { $im = $this->tileData[$tileIndex + $this->tileCount * $attribs] ? $this->tileData[$tileIndex + $this->tileCount * $attribs] : $this->updateImage($tileIndex, $attribs); if ($im === true) { return; @@ -1809,7 +1816,7 @@ class Core } while ($dst < $dstEnd) { //if ($im[$src] < 0 && $this->frameBuffer[$dst] >= 0) { - $this->frameBuffer[$dst] = $im[$src]; + $this->frameBuffer[$dst] = $im[$src]; // } $dst++; $src++; @@ -1817,25 +1824,25 @@ class Core } //Memory Reading: - public function memoryRead($address) { + public function memoryRead($address) + { //Act as a wrapper for reading the returns from the compiled jumps to memory. - return $this->memoryReader[$address]($this, $address); //This seems to be faster than the usual if/else. + return $this->memoryReader[$address]($this, $address); //This seems to be faster than the usual if/else. } - public function memoryReadJumpCompile() { + public function memoryReadJumpCompile() + { //Faster in some browsers, since we are doing less conditionals overall by implementing them in advance. for ($index = 0x0000; $index <= 0xFFFF; $index++) { if ($index < 0x4000) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadNormal return $parentObj->memory[$address]; }; - } - else if ($index < 0x8000) { + } else if ($index < 0x8000) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadROM return $parentObj->ROM[$parentObj->currentROMBank + $address]; }; - } - else if ($index >= 0x8000 && $index < 0xA000) { + } else if ($index >= 0x8000 && $index < 0xA000) { $VRAMReadCGBCPU = function ($parentObj, $address) { //CPU Side Reading The VRAM (Optimized for GameBoy Color) return ($parentObj->modeSTAT > 2) ? 0xFF : (($parentObj->currVRAMBank == 0) ? $parentObj->memory[$address] : $parentObj->VRAM[$address - 0x8000]); @@ -1847,8 +1854,7 @@ class Core }; $this->memoryReader[$index] = ($this->cGBC) ? $VRAMReadCGBCPU : $VRAMReadDMGCPU; - } - else if ($index >= 0xA000 && $index < 0xC000) { + } else if ($index >= 0xA000 && $index < 0xC000) { if (($this->numRAMBanks == 1 / 16 && $index < 0xA200) || $this->numRAMBanks >= 1) { if (!$this->cMBC3) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadMBC @@ -1859,8 +1865,7 @@ class Core //cout("Reading from disabled RAM.", 1); return 0xFF; }; - } - else { + } else { //MBC3 RTC + RAM: $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadMBC3 //Switchable RAM @@ -1892,48 +1897,40 @@ class Core return 0xFF; }; } - } - else { + } else { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadBAD return 0xFF; }; } - } - else if ($index >= 0xC000 && $index < 0xE000) { + } else if ($index >= 0xC000 && $index < 0xE000) { if (!$this->cGBC || $index < 0xD000) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadNormal return $parentObj->memory[$address]; }; - } - else { + } else { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadGBCMemory return $parentObj->GBCMemory[$address + $parentObj->gbcRamBankPosition]; }; } - } - else if ($index >= 0xE000 && $index < 0xFE00) { + } else if ($index >= 0xE000 && $index < 0xFE00) { if (!$this->cGBC || $index < 0xF000) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadECHONormal return $parentObj->memory[$address - 0x2000]; }; - } - else { + } else { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadECHOGBCMemory return $parentObj->GBCMemory[$address + $parentObj->gbcRamBankPositionECHO]; }; } - } - else if ($index < 0xFEA0) { + } else if ($index < 0xFEA0) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadOAM - return ($parentObj->modeSTAT > 1) ? 0xFF : $parentObj->memory[$address]; + return ($parentObj->modeSTAT > 1) ? 0xFF : $parentObj->memory[$address]; }; - } - else if ($this->cGBC && $index >= 0xFEA0 && $index < 0xFF00) { + } else if ($this->cGBC && $index >= 0xFEA0 && $index < 0xFF00) { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadNormal return $parentObj->memory[$address]; }; - } - else if ($index >= 0xFF00) { + } else if ($index >= 0xFF00) { switch ($index) { case 0xFF00: $this->memoryReader[0xFF00] = function ($parentObj, $address) { @@ -1950,8 +1947,7 @@ class Core $this->memoryReader[0xFF02] = function ($parentObj, $address) { return 0x7C | $parentObj->memory[0xFF02]; }; - } - else { + } else { $this->memoryReader[0xFF02] = function ($parentObj, $address) { return 0x7E | $parentObj->memory[0xFF02]; }; @@ -2067,8 +2063,7 @@ class Core return $parentObj->memory[$address]; }; } - } - else { + } else { $this->memoryReader[$index] = function ($parentObj, $address) { //memoryReadBAD return 0xFF; }; @@ -2076,12 +2071,14 @@ class Core } } - public function VRAMReadGFX($address, $gbcBank) { + public function VRAMReadGFX($address, $gbcBank) + { //Graphics Side Reading The VRAM return ((!$gbcBank) ? $this->memory[0x8000 + $address] : $this->VRAM[$address]); } - public function setCurrentMBC1ROMBank() { + public function setCurrentMBC1ROMBank() + { //Read the cartridge ROM data from RAM memory: switch ($this->ROMBank1offs) { case 0x00: @@ -2099,7 +2096,8 @@ class Core } } - public function setCurrentMBC2AND3ROMBank() { + public function setCurrentMBC2AND3ROMBank() + { //Read the cartridge ROM data from RAM memory: //Only map bank 0 to bank 1 here (MBC2 is like MBC1, but can only do 16 banks, so only the bank 0 quirk appears for MBC2): $this->currentROMBank = max($this->ROMBank1offs - 1, 0) * 0x4000; @@ -2107,7 +2105,8 @@ class Core $this->currentROMBank -= count($this->ROM); } } - public function setCurrentMBC5ROMBank() { + public function setCurrentMBC5ROMBank() + { //Read the cartridge ROM data from RAM memory: $this->currentROMBank = ($this->ROMBank1offs - 1) * 0x4000; while ($this->currentROMBank + 0x4000 >= count($this->ROM)) { @@ -2116,12 +2115,14 @@ class Core } //Memory Writing: - public function memoryWrite($address, $data) { + public function memoryWrite($address, $data) + { //Act as a wrapper for writing by compiled jumps to specific memory writing functions. $this->memoryWriter[$address]($this, $address, $data); } - public function memoryWriteJumpCompile() { + public function memoryWriteJumpCompile() + { $MBCWriteEnable = function ($parentObj, $address, $data) { //MBC RAM Bank Enable/Disable: $parentObj->MBCRAMBanksEnabled = (($data & 0x0F) == 0x0A); //If lower nibble is 0x0A, then enable, otherwise disable. @@ -2143,59 +2144,49 @@ class Core if ($this->cMBC1) { if ($index < 0x2000) { $this->memoryWriter[$index] = $MBCWriteEnable; - } - else if ($index < 0x4000) { + } else if ($index < 0x4000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { // MBC1WriteROMBank //MBC1 ROM bank switching: $parentObj->ROMBank1offs = ($parentObj->ROMBank1offs & 0x60) | ($data & 0x1F); $parentObj->setCurrentMBC1ROMBank(); }; - } - else if ($index < 0x6000) { + } else if ($index < 0x6000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC1WriteRAMBank //MBC1 RAM bank switching if ($parentObj->MBC1Mode) { //4/32 Mode $parentObj->currMBCRAMBank = $data & 0x3; $parentObj->currMBCRAMBankPosition = ($parentObj->currMBCRAMBank << 13) - 0xA000; - } - else { + } else { //16/8 Mode $parentObj->ROMBank1offs = (($data & 0x03) << 5) | ($parentObj->ROMBank1offs & 0x1F); $parentObj->setCurrentMBC1ROMBank(); } }; - } - else { + } else { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC1WriteType //MBC1 mode setting: $parentObj->MBC1Mode = (($data & 0x1) == 0x1); }; } - } - else if ($this->cMBC2) { + } else if ($this->cMBC2) { if ($index < 0x1000) { $this->memoryWriter[$index] = $MBCWriteEnable; - } - else if ($index >= 0x2100 && $index < 0x2200) { + } else if ($index >= 0x2100 && $index < 0x2200) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC2WriteROMBank //MBC2 ROM bank switching: $parentObj->ROMBank1offs = $data & 0x0F; $parentObj->setCurrentMBC2AND3ROMBank(); }; - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else if ($this->cMBC3) { + } else if ($this->cMBC3) { if ($index < 0x2000) { $this->memoryWriter[$index] = $MBCWriteEnable; - } - else if ($index < 0x4000) { + } else if ($index < 0x4000) { $this->memoryWriter[$index] = $MBC3WriteROMBank; - } - else if ($index < 0x6000) { + } else if ($index < 0x6000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC3WriteRAMBank $parentObj->currMBCRAMBank = $data; if ($data < 4) { @@ -2203,13 +2194,11 @@ class Core $parentObj->currMBCRAMBankPosition = ($parentObj->currMBCRAMBank << 13) - 0xA000; } }; - } - else { + } else { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC3WriteRTCLatch if ($data == 0) { $parentObj->RTCisLatched = false; - } - else if (!$parentObj->RTCisLatched) { + } else if (!$parentObj->RTCisLatched) { //Copy over the current RTC time for reading. $parentObj->RTCisLatched = true; $parentObj->latchedSeconds = floor($parentObj->RTCSeconds); @@ -2220,26 +2209,22 @@ class Core } }; } - } - else if ($this->cMBC5 || $this->cRUMBLE) { + } else if ($this->cMBC5 || $this->cRUMBLE) { if ($index < 0x2000) { $this->memoryWriter[$index] = $MBCWriteEnable; - } - else if ($index < 0x3000) { + } else if ($index < 0x3000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC5WriteROMBankLow //MBC5 ROM bank switching: $parentObj->ROMBank1offs = ($parentObj->ROMBank1offs & 0x100) | $data; $parentObj->setCurrentMBC5ROMBank(); }; - } - else if ($index < 0x4000) { + } else if ($index < 0x4000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //MBC5WriteROMBankHigh //MBC5 ROM bank switching (by least significant bit): - $parentObj->ROMBank1offs = (($data & 0x01) << 8) | ($parentObj->ROMBank1offs & 0xFF); + $parentObj->ROMBank1offs = (($data & 0x01) << 8) | ($parentObj->ROMBank1offs & 0xFF); $parentObj->setCurrentMBC5ROMBank(); }; - } - else if ($index < 0x6000) { + } else if ($index < 0x6000) { $RUMBLEWriteRAMBank = function ($parentObj, $address, $data) { //MBC5 RAM bank switching //Like MBC5, but bit 3 of the lower nibble is used for rumbling and bit 2 is ignored. @@ -2254,37 +2239,30 @@ class Core }; $this->memoryWriter[$index] = ($this->cRUMBLE) ? $RUMBLEWriteRAMBank : $MBC5WriteRAMBank; - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else if ($this->cHuC3) { + } else if ($this->cHuC3) { if ($index < 0x2000) { $this->memoryWriter[$index] = $MBCWriteEnable; - } - else if ($index < 0x4000) { + } else if ($index < 0x4000) { $this->memoryWriter[$index] = $MBC3WriteROMBank; - } - else if ($index < 0x6000) { + } else if ($index < 0x6000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //HuC3WriteRAMBank //HuC3 RAM bank switching $parentObj->currMBCRAMBank = $data & 0x03; $parentObj->currMBCRAMBankPosition = ($parentObj->currMBCRAMBank << 13) - 0xA000; }; - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else if ($index < 0xA000) { + } else if ($index < 0xA000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { // VRAMWrite - if ($parentObj->modeSTAT < 3) { //VRAM cannot be written to during mode 3 - if ($address < 0x9800) { // Bkg Tile data area + if ($parentObj->modeSTAT < 3) { //VRAM cannot be written to during mode 3 + if ($address < 0x9800) { // Bkg Tile data area $tileIndex = (($address - 0x8000) >> 4) + (384 * $parentObj->currVRAMBank); if ($parentObj->tileReadState[$tileIndex] == 1) { $r = count($parentObj->tileData) - $parentObj->tileCount + $tileIndex; @@ -2297,14 +2275,12 @@ class Core } if ($parentObj->currVRAMBank == 0) { $parentObj->memory[$address] = $data; - } - else { + } else { $parentObj->VRAM[$address - 0x8000] = $data; } } }; - } - else if ($index < 0xC000) { + } else if ($index < 0xC000) { if (($this->numRAMBanks == 1 / 16 && $index < 0xA200) || $this->numRAMBanks >= 1) { if (!$this->cMBC3) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteMBCRAM @@ -2312,8 +2288,7 @@ class Core $parentObj->MBCRam[$address + $parentObj->currMBCRAMBankPosition] = $data; } }; - } - else { + } else { //MBC3 RTC + RAM: $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteMBC3RAM if ($parentObj->MBCRAMBanksEnabled || Settings::$settings[10]) { @@ -2327,25 +2302,22 @@ class Core case 0x08: if ($data < 60) { $parentObj->RTCSeconds = $data; - } - else { - echo "(Bank #" + $parentObj->currMBCRAMBank + ") RTC write out of range: " + $data . PHP_EOL; + } else { + echo "(Bank #"+$parentObj->currMBCRAMBank+") RTC write out of range: "+$data . PHP_EOL; } break; case 0x09: if ($data < 60) { $parentObj->RTCMinutes = $data; - } - else { - echo "(Bank #" + $parentObj->currMBCRAMBank + ") RTC write out of range: " + $data . PHP_EOL; + } else { + echo "(Bank #"+$parentObj->currMBCRAMBank+") RTC write out of range: "+$data . PHP_EOL; } break; case 0x0A: if ($data < 24) { $parentObj->RTCHours = $data; - } - else { - echo "(Bank #" + $parentObj->currMBCRAMBank + ") RTC write out of range: " + $data . PHP_EOL; + } else { + echo "(Bank #"+$parentObj->currMBCRAMBank+") RTC write out of range: "+$data . PHP_EOL; } break; case 0x0B: @@ -2357,68 +2329,60 @@ class Core $parentObj->RTCDays = (($data & 0x1) << 8) | ($parentObj->RTCDays & 0xFF); break; default: - echo "Invalid MBC3 bank address selected: " + $parentObj->currMBCRAMBank . PHP_EOL; + echo "Invalid MBC3 bank address selected: "+$parentObj->currMBCRAMBank . PHP_EOL; } } }; } - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else if ($index < 0xE000) { + } else if ($index < 0xE000) { if ($this->cGBC && $index >= 0xD000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteGBCRAM $parentObj->GBCMemory[$address + $parentObj->gbcRamBankPosition] = $data; }; - } - else { + } else { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteNormal $parentObj->memory[$address] = $data; }; } - } - else if ($index < 0xFE00) { + } else if ($index < 0xFE00) { if ($this->cGBC && $index >= 0xF000) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteECHOGBCRAM $parentObj->GBCMemory[$address + $parentObj->gbcRamBankPositionECHO] = $data; }; - } - else { + } else { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteECHONormal $parentObj->memory[$address - 0x2000] = $data; }; } - } - else if ($index <= 0xFEA0) { + } else if ($index <= 0xFEA0) { $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteOAMRAM - if ($parentObj->modeSTAT < 2) { //OAM RAM cannot be written to in mode 2 & 3 + if ($parentObj->modeSTAT < 2) { //OAM RAM cannot be written to in mode 2 & 3 $parentObj->memory[$address] = $data; } }; - } - else if ($index < 0xFF00) { - if ($this->cGBC) { //Only GBC has access to this RAM. + } else if ($index < 0xFF00) { + if ($this->cGBC) { //Only GBC has access to this RAM. $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteNormal $parentObj->memory[$address] = $data; }; - } - else { + } else { $this->memoryWriter[$index] = $cartIgnoreWrite; } - } - else { + } else { //Start the I/O initialization by filling in the slots as normal memory: $this->memoryWriter[$index] = function ($parentObj, $address, $data) { //memoryWriteNormal $parentObj->memory[$address] = $data; }; } } - $this->registerWriteJumpCompile(); //Compile the I/O write functions separately... + $this->registerWriteJumpCompile(); //Compile the I/O write functions separately... } - public function registerWriteJumpCompile() { + public function registerWriteJumpCompile() + { //I/O Registers (GB + GBC): $this->memoryWriter[0xFF00] = function ($parentObj, $address, $data) { $parentObj->memory[0xFF00] = ($data & 0x30) | (((($data & 0x20) == 0) ? ($parentObj->JoyPad >> 4) : 0xF) & ((($data & 0x10) == 0) ? ($parentObj->JoyPad & 0xF) : 0xF)); @@ -2427,9 +2391,8 @@ class Core if ((($data & 0x1) == 0x1)) { //Internal clock: $parentObj->memory[0xFF02] = ($data & 0x7F); - $parentObj->memory[0xFF0F] |= 0x8; //Get this time delayed... - } - else { + $parentObj->memory[0xFF0F] |= 0x8; //Get this time delayed... + } else { //External clock: $parentObj->memory[0xFF02] = $data; //No connected serial device, so don't trigger interrupt... @@ -2527,12 +2490,12 @@ class Core $this->memoryWriter[0xFF45] = function ($parentObj, $address, $data) { $parentObj->memory[0xFF45] = $data; if ($parentObj->LCDisOn) { - $parentObj->matchLYC(); //Get the compare of the first scan line. + $parentObj->matchLYC(); //Get the compare of the first scan line. } }; $this->memoryWriter[0xFF46] = function ($parentObj, $address, $data) { $parentObj->memory[0xFF46] = $data; - if ($parentObj->cGBC || $data > 0x7F) { //DMG cannot DMA from the ROM banks. + if ($parentObj->cGBC || $data > 0x7F) { //DMG cannot DMA from the ROM banks. $data <<= 8; $address = 0xFE00; while ($address < 0xFEA0) { @@ -2571,10 +2534,9 @@ class Core $parentObj->memory[0xFF41] &= 0xF8; $parentObj->STATTracker = $parentObj->modeSTAT = $parentObj->LCDTicks = $parentObj->actualScanLine = $parentObj->memory[0xFF44] = 0; if ($parentObj->LCDisOn) { - $parentObj->matchLYC(); //Get the compare of the first scan line. + $parentObj->matchLYC(); //Get the compare of the first scan line. $parentObj->LCDCONTROL = $parentObj->LINECONTROL; - } - else { + } else { $parentObj->LCDCONTROL = $parentObj->DISPLAYOFFCONTROL; $parentObj->DisplayShowOff(); } @@ -2638,20 +2600,17 @@ class Core $parentObj->memory[0xFF52] = ($dmaSrc & 0x00F0); $parentObj->memory[0xFF53] = (($dmaDst & 0x1F00) >> 8); $parentObj->memory[0xFF54] = ($dmaDst & 0x00F0); - $parentObj->memory[0xFF55] = 0xFF; //Transfer completed. - } - else { + $parentObj->memory[0xFF55] = 0xFF; //Transfer completed. + } else { //H-Blank DMA if ($data > 0x80) { $parentObj->hdmaRunning = true; $parentObj->memory[0xFF55] = $data & 0x7F; - } - else { + } else { $parentObj->memory[0xFF55] = 0xFF; } } - } - else if (($data & 0x80) == 0) { + } else if (($data & 0x80) == 0) { //Stop H-Blank DMA $parentObj->hdmaRunning = false; $parentObj->memory[0xFF55] |= 0x80; @@ -2667,8 +2626,7 @@ class Core $next = (($parentObj->usbtsb($parentObj->memory[0xFF68]) + 1) & 0x3F); $parentObj->memory[0xFF68] = ($next | 0x80); $parentObj->memory[0xFF69] = 0xFF & $parentObj->gbcRawPalette[$next]; - } - else { + } else { $parentObj->memory[0xFF69] = $data; } }; @@ -2682,22 +2640,20 @@ class Core $next = (($parentObj->memory[0xFF6A] + 1) & 0x3F); $parentObj->memory[0xFF6A] = ($next | 0x80); $parentObj->memory[0xFF6B] = 0xFF & $parentObj->gbcRawPalette[$next | 0x40]; - } - else { + } else { $parentObj->memory[0xFF6B] = $data; } }; $this->memoryWriter[0xFF70] = function ($parentObj, $address, $data) { - $addressCheck = ($parentObj->memory[0xFF51] << 8) | $parentObj->memory[0xFF52]; //Cannot change the RAM bank while WRAM is the source of a running HDMA. + $addressCheck = ($parentObj->memory[0xFF51] << 8) | $parentObj->memory[0xFF52]; //Cannot change the RAM bank while WRAM is the source of a running HDMA. if (!$parentObj->hdmaRunning || $addressCheck < 0xD000 || $addressCheck >= 0xE000) { - $parentObj->gbcRamBank = max($data & 0x07, 1); //Bank range is from 1-7 + $parentObj->gbcRamBank = max($data & 0x07, 1); //Bank range is from 1-7 $parentObj->gbcRamBankPosition = (($parentObj->gbcRamBank - 1) * 0x1000) - 0xD000; $parentObj->gbcRamBankPositionECHO = (($parentObj->gbcRamBank - 1) * 0x1000) - 0xF000; } - $parentObj->memory[0xFF70] = ($data | 0x40); //Bit 6 cannot be written to. + $parentObj->memory[0xFF70] = ($data | 0x40); //Bit 6 cannot be written to. }; - } - else { + } else { //Fill in the GameBoy Color I/O registers as normal RAM for GameBoy compatibility: $this->memoryWriter[0xFF40] = function ($parentObj, $address, $data) { $temp_var = ($data & 0x80) == 0x80; @@ -2707,10 +2663,9 @@ class Core $parentObj->memory[0xFF41] &= 0xF8; $parentObj->STATTracker = $parentObj->modeSTAT = $parentObj->LCDTicks = $parentObj->actualScanLine = $parentObj->memory[0xFF44] = 0; if ($parentObj->LCDisOn) { - $parentObj->matchLYC(); //Get the compare of the first scan line. + $parentObj->matchLYC(); //Get the compare of the first scan line. $parentObj->LCDCONTROL = $parentObj->LINECONTROL; - } - else { + } else { $parentObj->LCDCONTROL = $parentObj->DISPLAYOFFCONTROL; $parentObj->DisplayShowOff(); } @@ -2726,8 +2681,7 @@ class Core // this emulates the gbc-in-gb-mode, not the original gb-mode $parentObj->bgEnabled = false; $parentObj->gfxWindowDisplay = false; - } - else { + } else { $parentObj->bgEnabled = true; } $parentObj->memory[0xFF40] = $data; @@ -2772,80 +2726,84 @@ class Core $this->memoryWriter[0xFF50] = function ($parentObj, $address, $data) { echo "Boot ROM reads blocked: Bootstrap process has ended." . PHP_EOL; $parentObj->inBootstrap = false; - $parentObj->disableBootROM(); //Fill in the boot ROM ranges with ROM bank 0 ROM ranges - $parentObj->memory[0xFF50] = $data; //Bits are sustained in memory? + $parentObj->disableBootROM(); //Fill in the boot ROM ranges with ROM bank 0 ROM ranges + $parentObj->memory[0xFF50] = $data; //Bits are sustained in memory? }; $this->memoryWriter[0xFF6C] = function ($parentObj, $address, $data) { if ($parentObj->inBootstrap) { $parentObj->cGBC = ($data == 0x80); - echo "Booted to GBC Mode: " + $parentObj->cGBC . PHP_EOL; + echo "Booted to GBC Mode: "+$parentObj->cGBC . PHP_EOL; } $parentObj->memory[0xFF6C] = $data; }; - } - else { + } else { //Lockout the ROMs from accessing the BOOT ROM control register: - $this->memoryWriter[0xFF6C] = $this->memoryWriter[0xFF50] = function ($parentObj, $address, $data) { }; + $this->memoryWriter[0xFF6C] = $this->memoryWriter[0xFF50] = function ($parentObj, $address, $data) {}; } } //Helper Functions - public function usbtsb($ubyte) { + public function usbtsb($ubyte) + { //Unsigned byte to signed byte: return ($ubyte > 0x7F) ? (($ubyte & 0x7F) - 0x80) : $ubyte; } - public function unsbtub($ubyte) { + public function unsbtub($ubyte) + { //Keep an unsigned byte unsigned: if ($ubyte < 0) { $ubyte += 0x100; } - return $ubyte; //If this function is called, no wrapping requested. + return $ubyte; //If this function is called, no wrapping requested. } - public function nswtuw($uword) { + public function nswtuw($uword) + { //Keep an unsigned word unsigned: if ($uword < 0) { $uword += 0x10000; } - return $uword & 0xFFFF; //Wrap also... + return $uword & 0xFFFF; //Wrap also... } - public function unswtuw($uword) { + public function unswtuw($uword) + { //Keep an unsigned word unsigned: if ($uword < 0) { $uword += 0x10000; } - return $uword; //If this function is called, no wrapping requested. + return $uword; //If this function is called, no wrapping requested. } - public function toTypedArray($baseArray, $bit32, $unsigned) { + public function toTypedArray($baseArray, $bit32, $unsigned) + { try { $typedArrayTemp = ($bit32) ? (($unsigned) ? new Uint32Array(count($baseArray)) : new Int32Array(count($baseArray))) : new Uint8Array(count($baseArray)); for ($index = 0; $index < count($baseArray); $index++) { $typedArrayTemp[$index] = $baseArray[$index]; } return $typedArrayTemp; - } - catch (\Exception $error) { + } catch (\Exception $error) { echo "Could not convert an array to a typed array" . PHP_EOL; return $baseArray; } } - public function fromTypedArray($baseArray) { + public function fromTypedArray($baseArray) + { try { $arrayTemp = array_fill(0, count($baseArray), 0); for ($index = 0; $index < count($baseArray); $index++) { $arrayTemp[$index] = $baseArray[$index]; } return $arrayTemp; - } - catch (\Exception $error) { + } catch (\Exception $error) { return $baseArray; } } - public function getTypedArray($length, $defaultValue, $numberType) { + public function getTypedArray($length, $defaultValue, $numberType) + { // @PHP - We dont have typed arrays and unsigned int in PHP // This function just creates an array and initialize with a value $arrayHandle = array_fill(0, $length, $defaultValue); @@ -2853,8 +2811,9 @@ class Core return $arrayHandle; } - public function ArrayPad($length, $defaultValue) { + public function ArrayPad($length, $defaultValue) + { $arrayHandle = array_fill(0, $length, $defaultValue); return $arrayHandle; } -}
\ No newline at end of file +} diff --git a/src/GameBoy/Keyboard.php b/src/GameBoy/Keyboard.php index 8ad007f..b338c0c 100644 --- a/src/GameBoy/Keyboard.php +++ b/src/GameBoy/Keyboard.php @@ -20,9 +20,9 @@ class Keyboard { $key = fread($this->file, 1); - if (! empty($key)) { + if (!empty($key)) { $this->keyDown($key); - } else if (! empty($this->keyPressing)) { + } else if (!empty($this->keyPressing)) { $this->keyUp($this->keyPressing); } @@ -60,4 +60,4 @@ class Keyboard $this->core->JoyPadEvent($keyCode, false); } } -}
\ No newline at end of file +} diff --git a/src/GameBoy/Opcode.php b/src/GameBoy/Opcode.php index 80c82a7..6bed77e 100644 --- a/src/GameBoy/Opcode.php +++ b/src/GameBoy/Opcode.php @@ -3,7 +3,7 @@ namespace GameBoy; class Opcode { - public $functionsArray = []; + public $functionsArray = []; public function __construct() { @@ -124,23 +124,22 @@ class Opcode $this->functionsArray[] = function ($parentObj) { if ($parentObj->cGBC) { /*TODO: Emulate the speed switch delay: - Delay Amount: - 16 ms when going to double-speed. - 32 ms when going to single-speed. - Also, bits 4 and 5 of 0xFF00 should read as set (1), while the switch is in process. - */ - if (($parentObj->memory[0xFF4D] & 0x01) == 0x01) { //Speed change requested. - if (($parentObj->memory[0xFF4D] & 0x80) == 0x80) { //Go back to single speed mode. + Delay Amount: + 16 ms when going to double-speed. + 32 ms when going to single-speed. + Also, bits 4 and 5 of 0xFF00 should read as set (1), while the switch is in process. + */ + if (($parentObj->memory[0xFF4D] & 0x01) == 0x01) { //Speed change requested. + if (($parentObj->memory[0xFF4D] & 0x80) == 0x80) { //Go back to single speed mode. // cout("Going into single clock speed mode.", 0); - $parentObj->multiplier = 1; //TODO: Move this into the delay done code. - $parentObj->memory[0xFF4D] &= 0x7F; //Clear the double speed mode flag. - } - else { //Go to double speed mode. + $parentObj->multiplier = 1; //TODO: Move this into the delay done code. + $parentObj->memory[0xFF4D] &= 0x7F; //Clear the double speed mode flag. + } else { //Go to double speed mode. // cout("Going into double clock speed mode.", 0); - $parentObj->multiplier = 2; //TODO: Move this into the delay done code. - $parentObj->memory[0xFF4D] |= 0x80; //Set the double speed mode flag. + $parentObj->multiplier = 2; //TODO: Move this into the delay done code. + $parentObj->memory[0xFF4D] |= 0x80; //Set the double speed mode flag. } - $parentObj->memory[0xFF4D] &= 0xFE; //Reset the request bit. + $parentObj->memory[0xFF4D] &= 0xFE; //Reset the request bit. } } }; @@ -256,8 +255,7 @@ class Opcode if (!$parentObj->FZero) { $parentObj->programCounter = $parentObj->nswtuw($parentObj->programCounter + $parentObj->usbtsb($parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter)) + 1); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 1) & 0xFFFF; } }; @@ -327,8 +325,7 @@ class Opcode if ($parentObj->FZero) { $parentObj->programCounter = $parentObj->nswtuw($parentObj->programCounter + $parentObj->usbtsb($parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter)) + 1); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 1) & 0xFFFF; } }; @@ -387,8 +384,7 @@ class Opcode if (!$parentObj->FCarry) { $parentObj->programCounter = $parentObj->nswtuw($parentObj->programCounter + $parentObj->usbtsb($parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter)) + 1); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 1) & 0xFFFF; } }; @@ -445,8 +441,7 @@ class Opcode if ($parentObj->FCarry) { $parentObj->programCounter = $parentObj->nswtuw($parentObj->programCounter + $parentObj->usbtsb($parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter)) + 1); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 1) & 0xFFFF; } }; @@ -776,8 +771,7 @@ class Opcode Involves an edge case where an EI is placed right before a HALT. EI in this case actually is immediate, so we adjust (Hacky?).*/ $parentObj->programCounter = $parentObj->nswtuw($parentObj->programCounter - 1); - } - else { + } else { if (!$parentObj->halt && !$parentObj->IME && !$parentObj->cGBC && !$parentObj->usedBootROM && ($parentObj->memory[0xFF0F] & $parentObj->memory[0xFFFF] & 0x1F) > 0) { $parentObj->skipPCIncrement = true; } @@ -791,12 +785,12 @@ class Opcode while ($bitShift < 5) { //Check to see if an interrupt is enabled AND requested. if (($testbit & $interrupts) == $testbit) { - $parentObj->halt = false; //Get out of halt state if in halt state. - return; //Let the main interrupt handler compute the interrupt. + $parentObj->halt = false; //Get out of halt state if in halt state. + return; //Let the main interrupt handler compute the interrupt. } $testbit = 1 << ++$bitShift; } - $parentObj->CPUTicks = 1; //1 machine cycle under HALT... + $parentObj->CPUTicks = 1; //1 machine cycle under HALT... //Timing: $parentObj->updateCore(); } @@ -1173,8 +1167,7 @@ class Opcode $parentObj->FZero = false; $parentObj->FSubtract = $parentObj->FHalfCarry = $parentObj->FCarry = true; $parentObj->registerA = 0xFF; - } - else { + } else { $parentObj->FHalfCarry = $parentObj->FCarry = false; $parentObj->FSubtract = $parentObj->FZero = true; $parentObj->registerA = 0; @@ -1448,8 +1441,7 @@ class Opcode if (!$parentObj->FZero) { $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->programCounter + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1470,8 +1462,7 @@ class Opcode $parentObj->memoryWrite($parentObj->stackPointer, $parentObj->programCounter & 0xFF); $parentObj->programCounter = $temp_pc; $parentObj->CPUTicks += 3; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1515,7 +1506,7 @@ class Opcode //RET //#0xC9: $this->functionsArray[] = function ($parentObj) { - $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->stackPointer + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->stackPointer]($parentObj, $parentObj->stackPointer); + $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->stackPointer + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->stackPointer]($parentObj, $parentObj->stackPointer); $parentObj->stackPointer = ($parentObj->stackPointer + 2) & 0xFFFF; }; //JP FZ, nn @@ -1524,8 +1515,7 @@ class Opcode if ($parentObj->FZero) { $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->programCounter + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1552,8 +1542,7 @@ class Opcode $parentObj->memoryWrite($parentObj->stackPointer, $parentObj->programCounter & 0xFF); $parentObj->programCounter = $temp_pc; $parentObj->CPUTicks += 3; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1611,8 +1600,7 @@ class Opcode if (!$parentObj->FCarry) { $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->programCounter + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1635,8 +1623,7 @@ class Opcode $parentObj->memoryWrite($parentObj->stackPointer, $parentObj->programCounter & 0xFF); $parentObj->programCounter = $temp_pc; $parentObj->CPUTicks += 3; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1692,8 +1679,7 @@ class Opcode if ($parentObj->FCarry) { $parentObj->programCounter = ($parentObj->memoryRead(($parentObj->programCounter + 1) & 0xFFFF) << 8) + $parentObj->memoryReader[$parentObj->programCounter]($parentObj, $parentObj->programCounter); $parentObj->CPUTicks++; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1715,8 +1701,7 @@ class Opcode $parentObj->memoryWrite($parentObj->stackPointer, $parentObj->programCounter & 0xFF); $parentObj->programCounter = $temp_pc; $parentObj->CPUTicks += 3; - } - else { + } else { $parentObj->programCounter = ($parentObj->programCounter + 2) & 0xFFFF; } }; @@ -1982,4 +1967,4 @@ class Opcode { return $this->functionsArray; } -}
\ No newline at end of file +} diff --git a/src/GameBoy/Settings.php b/src/GameBoy/Settings.php index ba9adab..8ab617c 100644 --- a/src/GameBoy/Settings.php +++ b/src/GameBoy/Settings.php @@ -4,69 +4,69 @@ namespace GameBoy; class Settings { //Some settings. - public static $settings = [ + public static $settings = [ //[0] - Turn on sound. - false, + false, //[1] - Force Mono sound. - false, + false, //[2] - Give priority to GameBoy mode - true, + true, //[3] - Keyboard button map. //Order: Right, Left, Up, Down, A, B, Select, Start - ['d', 'a', 'w', 's', ',', '.', 'n', 'm'], + ['d', 'a', 'w', 's', ',', '.', 'n', 'm'], //[4] - Frameskip Amount (Auto frameskip setting allows the script to change this.) - 0, + 0, //[5] - Use the data URI BMP method over the canvas tag method? - false, + false, //[6] - How many tiles in each direction when using the BMP method (width * height). - [16, 12], + [16, 12], //[7] - Auto Frame Skip - true, + true, //[8] - Maximum Frame Skip - 29, + 29, //[9] - Override to allow for MBC1 instead of ROM only (compatibility for broken 3rd-party cartridges). - true, + true, //[10] - Override MBC RAM disabling and always allow reading and writing to the banks. - true, + true, //[11] - Audio granularity setting (Sampling of audio every x many machine cycles) - 20, + 20, //[12] - Frameskip base factor - 10, + 10, //[13] - Target number of machine cycles per loop. (4,194,300 / 1000 * 17) - 17826, + 17826, //[14] - Sample Rate - 70000, + 70000, //[15] - How many bits per WAV PCM sample (For browsers that fall back to WAV PCM generation) - 0x10, + 0x10, //[16] - Use the GBC BIOS? - false, + false, //[17] - Colorize GB mode? - false, + false, //[18] - Sample size for webkit audio. - 512, + 512, //[19] - Whether to display the canvas at 144x160 on fullscreen or as stretched. - false, + false, //[20] - Interval for the emulator loop. - 17, - ]; -}
\ No newline at end of file + 17, + ]; +} diff --git a/src/GameBoy/TICKTables.php b/src/GameBoy/TICKTables.php index d6b0824..1c4f3f8 100644 --- a/src/GameBoy/TICKTables.php +++ b/src/GameBoy/TICKTables.php @@ -6,50 +6,49 @@ class TickTables public static $primary = [ //Number of machine cycles for each instruction: /* 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F*/ - 1, 3, 2, 2, 1, 1, 2, 1, 5, 2, 2, 2, 1, 1, 2, 1, //0 - 1, 3, 2, 2, 1, 1, 2, 1, 3, 2, 2, 2, 1, 1, 2, 1, //1 - 2, 3, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 2, 1, //2 - 2, 3, 2, 2, 3, 3, 3, 1, 2, 2, 2, 2, 1, 1, 2, 1, //3 - - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //4 - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //5 - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //6 - 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, //7 - - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //8 - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //9 - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //A - 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //B - - 2, 3, 3, 4, 3, 4, 2, 4, 2, 4, 3, 2, 3, 6, 2, 4, //C - 2, 3, 3, 1, 3, 4, 2, 4, 2, 4, 3, 1, 3, 1, 2, 4, //D - 3, 3, 2, 1, 1, 4, 2, 4, 4, 1, 4, 1, 1, 1, 2, 4, //E - 3, 3, 2, 1, 1, 4, 2, 4, 3, 2, 4, 1, 0, 1, 2, 4 //F + 1, 3, 2, 2, 1, 1, 2, 1, 5, 2, 2, 2, 1, 1, 2, 1, //0 + 1, 3, 2, 2, 1, 1, 2, 1, 3, 2, 2, 2, 1, 1, 2, 1, //1 + 2, 3, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 2, 1, //2 + 2, 3, 2, 2, 3, 3, 3, 1, 2, 2, 2, 2, 1, 1, 2, 1, //3 + + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //4 + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //5 + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //6 + 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, //7 + + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //8 + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //9 + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //A + 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, //B + + 2, 3, 3, 4, 3, 4, 2, 4, 2, 4, 3, 2, 3, 6, 2, 4, //C + 2, 3, 3, 1, 3, 4, 2, 4, 2, 4, 3, 1, 3, 1, 2, 4, //D + 3, 3, 2, 1, 1, 4, 2, 4, 4, 1, 4, 1, 1, 1, 2, 4, //E + 3, 3, 2, 1, 1, 4, 2, 4, 3, 2, 4, 1, 0, 1, 2, 4, //F ]; public static $secondary = [ //Number of machine cycles for each 0xCBXX instruction: /* 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F*/ - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //0 - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //1 - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //2 - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //3 - - 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //4 - 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //5 - 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //6 - 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //7 - - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //8 - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //9 - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //A - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //B - - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //C - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //D - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //E - 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2 //F + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //0 + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //1 + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //2 + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //3 + + 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //4 + 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //5 + 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //6 + 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, //7 + + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //8 + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //9 + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //A + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //B + + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //C + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //D + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //E + 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2, //F ]; } - |