diff --git a/cardBuilder.go b/cardBuilder.go
index 95fff87..3b5c657 100644
--- a/cardBuilder.go
+++ b/cardBuilder.go
@@ -25,7 +25,7 @@ type cardBuilder struct {
 const noCardName = "empty"
 
 var commonParams = []paramSpec{
-	{"debug", "Enable debug messages", "false"},
+	{"trace", "Enable debug messages", "false"},
 	{"tracess", "Trace softswitches", "false"},
 }
 
@@ -118,7 +118,7 @@ func setupCard(a *Apple2, slot int, paramString string) (Card, error) {
 		a.io.traceSlot(slot)
 	}
 
-	debug := paramsGetBool(finalParams, "debug")
+	debug := paramsGetBool(finalParams, "trace")
 
 	card.setName(builder.name)
 	card.setDebug(debug)
diff --git a/cardDan2Controller.go b/cardDan2Controller.go
index 03658f7..45a3f04 100644
--- a/cardDan2Controller.go
+++ b/cardDan2Controller.go
@@ -11,6 +11,7 @@ Apple II DAN ][ CONTROLLER CARD.]
 
 See:
 	https://github.com/profdc9/Apple2Card
+	https://github.com/ThorstenBr/Apple2Card
 	https://www.applefritter.com/content/dan-sd-card-disk-controller
 
 */
@@ -31,12 +32,17 @@ type CardDan2Controller struct {
 
 	slotA *cardDan2ControllerSlot
 	slotB *cardDan2ControllerSlot
+
+	improved bool
+	a2slot   uint8
 }
 
 type cardDan2ControllerSlot struct {
-	path     string
-	fileNo   uint8
-	fileName string
+	card        *CardDan2Controller
+	path        string
+	fileNo      uint8
+	fileName    string
+	fileNameAlt string
 }
 
 func newCardDan2ControllerBuilder() *cardBuilder {
@@ -44,6 +50,7 @@ func newCardDan2ControllerBuilder() *cardBuilder {
 		name:        "Dan ][ Controller card",
 		description: "Apple II Peripheral Card that Interfaces to a ATMEGA328P for SD card storage.",
 		defaultParams: &[]paramSpec{
+			{"improved", "Emulate improved firmware from ThorstenBr", "true"},
 			{"slot1", "Image in slot 1. File for raw device, folder for fs mode using files as BLKDEV0x.PO", ""},
 			{"slot1file", "Device selected in slot 1: 0 for raw device, 1 to 9 for file number", "0"},
 			{"slot2", "Image in slot 2. File for raw device, folder for fs mode using files as BLKDEV0x.PO", ""},
@@ -53,19 +60,27 @@ func newCardDan2ControllerBuilder() *cardBuilder {
 			var c CardDan2Controller
 			c.responseBuffer = make([]uint8, 0, 1000)
 
+			c.improved = paramsGetBool(params, "improved")
+
 			c.slotA = &cardDan2ControllerSlot{}
+			c.slotA.card = &c
 			c.slotA.path = params["slot1"]
 			num, _ := paramsGetInt(params, "slot1file")
 			c.slotA.fileNo = uint8(num)
 			c.slotA.initializeDrive()
 
 			c.slotB = &cardDan2ControllerSlot{}
+			c.slotB.card = &c
 			c.slotB.path = params["slot2"]
 			num, _ = paramsGetInt(params, "slot2file")
 			c.slotB.fileNo = uint8(num)
 			c.slotB.initializeDrive()
 
-			err := c.loadRomFromResource("<internal>/Apple2CardFirmware.bin")
+			romFilename := "<internal>/Apple2CardFirmware.bin"
+			if c.improved {
+				romFilename = "<internal>/Apple2CardFirmwareImproved.bin"
+			}
+			err := c.loadRomFromResource(romFilename)
 			if err != nil {
 				return nil, err
 			}
@@ -79,17 +94,17 @@ func (c *CardDan2Controller) assign(a *Apple2, slot int) {
 	c.addCardSoftSwitches(func(address uint8, data uint8, write bool) uint8 {
 		address &= 0x03 // only A0 and A1 are connected
 		if write {
-			c.write(address, data)
+			c.writeSoftSwitch(address, data)
 			return 0
 		} else {
-			return c.read(address)
+			return c.readSoftSwitch(address)
 		}
 	}, "DAN2CONTROLLER")
 
 	c.cardBase.assign(a, slot)
 }
 
-func (c *CardDan2Controller) write(address uint8, data uint8) {
+func (c *CardDan2Controller) writeSoftSwitch(address uint8, data uint8) {
 	switch address {
 	case 0: // Port A
 		if c.receivingWiteBuffer {
@@ -100,6 +115,10 @@ func (c *CardDan2Controller) write(address uint8, data uint8) {
 		} else if c.commandBuffer == nil {
 			if data == 0xac {
 				c.commandBuffer = make([]uint8, 0)
+			} else if data == 0x30 || data == 0x20 {
+				c.tracef("Sync started to upload Atmega firmware, not supported\n")
+			} else {
+				c.tracef("Not supported command prefix $%02x\n", data)
 			}
 		} else {
 			c.commandBuffer = append(c.commandBuffer, data)
@@ -134,7 +153,7 @@ func (c *CardDan2Controller) write(address uint8, data uint8) {
 	}
 }
 
-func (c *CardDan2Controller) read(address uint8) uint8 {
+func (c *CardDan2Controller) readSoftSwitch(address uint8) uint8 {
 	switch address {
 	case 0: // Port A
 		if len(c.responseBuffer) > 0 {
@@ -164,8 +183,20 @@ func (s *cardDan2ControllerSlot) blockPosition(unit uint8, block uint16) int64 {
 	}
 }
 
-func (s *cardDan2ControllerSlot) status(unit uint8) error {
+func (s *cardDan2ControllerSlot) openFile() (*os.File, error) {
 	file, err := os.OpenFile(s.fileName, os.O_RDWR, 0)
+	if err == nil {
+		return file, nil
+	}
+
+	if s.card.improved && s.fileNameAlt != s.fileName {
+		return os.OpenFile(s.fileNameAlt, os.O_RDWR, 0)
+	}
+	return nil, err
+}
+
+func (s *cardDan2ControllerSlot) status(unit uint8) error {
+	file, err := s.openFile()
 	if err != nil {
 		return err
 	}
@@ -174,7 +205,7 @@ func (s *cardDan2ControllerSlot) status(unit uint8) error {
 }
 
 func (s *cardDan2ControllerSlot) readBlock(unit uint8, block uint16) ([]uint8, error) {
-	file, err := os.OpenFile(s.fileName, os.O_RDWR, 0)
+	file, err := s.openFile()
 	if err != nil {
 		return nil, err
 	}
@@ -189,8 +220,21 @@ func (s *cardDan2ControllerSlot) readBlock(unit uint8, block uint16) ([]uint8, e
 	return buffer, nil
 }
 
+func (c *CardDan2Controller) readBootBlock(block uint16) []uint8 {
+	position := 512 * int64(block)
+	program := PROGMEM[:]
+	if c.improved {
+		// If a file VOLA2.po is present, it is used. Not emulated.
+		program = PROGMEM_v7[:]
+	}
+	if position+512 > int64(len(program)) {
+		return []uint8{}
+	}
+	return program[position : position+512]
+}
+
 func (s *cardDan2ControllerSlot) writeBlock(unit uint8, block uint16, data []uint8) error {
-	file, err := os.OpenFile(s.fileName, os.O_RDWR, 0)
+	file, err := s.openFile()
 	if err != nil {
 		return err
 	}
@@ -204,6 +248,18 @@ func (s *cardDan2ControllerSlot) writeBlock(unit uint8, block uint16, data []uin
 	return nil
 }
 
+// Version info
+func (c *CardDan2Controller) versionInfo() []uint8 {
+	return []uint8{
+		3, 4, 2, // Version 3.4.2
+		3, //  DAN ][ CONTROLLER CARD with Atmega328P
+		0x80 | // Support raw sd
+			0x40, // Support fat
+		// 0x20 | // Support Ethernet
+		// 0x10 | // Support FTP
+	}
+}
+
 func (s *cardDan2ControllerSlot) initializeDrive() {
 	if s.fileNo == 255 {
 		s.fileNo = 0 // Wide raw not supported, changed to raw
@@ -211,8 +267,10 @@ func (s *cardDan2ControllerSlot) initializeDrive() {
 	if s.fileNo == 0 {
 		// Raw device
 		s.fileName = s.path
+		s.fileNameAlt = s.path
 	} else {
 		s.fileName = filepath.Join(s.path, fmt.Sprintf("BLKDEV%02X.PO", s.fileNo))
+		s.fileNameAlt = filepath.Join(s.path, fmt.Sprintf("VOL%02X.PO", s.fileNo))
 	}
 }
 
@@ -227,6 +285,15 @@ func (c *CardDan2Controller) selectSlot(unit uint8) *cardDan2ControllerSlot {
 func (c *CardDan2Controller) processCommand() {
 	// See : Apple2Arduino.ino::do_command()
 	command := c.commandBuffer[0]
+
+	if !c.improved && command >= 8 && command < 128 {
+		// Command not supported in the original firmware
+		c.tracef("Command %v not supported in the improved version\n", command)
+		c.sendResponseCode(0x27)
+		c.commandBuffer = nil
+		return
+	}
+
 	switch command {
 	case 0, 3: // Status and format
 		if len(c.commandBuffer) == 6 {
@@ -287,44 +354,76 @@ func (c *CardDan2Controller) processCommand() {
 			c.commandBuffer = nil
 		}
 
-	case 5: // Get volume
+	case 5, 9: // Get volume
+		// cmd=5: return eeprom volume configuration. (Not emulated: returns current)
+		// cmd=9: return current volume selection
 		if len(c.commandBuffer) == 6 {
-			c.tracef("5-Get Volume\n")
+			c.tracef("%v-Get Volume\n", command)
 
 			c.sendResponse(c.slotA.fileNo, c.slotB.fileNo)
 			c.commandBuffer = nil
 		}
 
-	case 4, 6, 7: // Set volume
+	case 4, 6, 7, 8: // Set volume
+		// cmd=4: permanently selects drives 0+1, single byte response (used by eprom+bootpg for volume selection)
+		// cmd=6: temporarily selects drives 0+1, 512byte response (used by bootpg for volume preview)
+		// cmd=7: permanently selects drives 0+1, 512byte response (used by bootpg for volume selection)
+		// cmd=8: permanently selects drive 0 only, single byte response (used by eprom for quick access keys)
 		if len(c.commandBuffer) == 6 {
-			_, _, block := c.getUnitBufBlk()
+			unit, _, block := c.getUnitBufBlk()
+			c.a2slot = (unit >> 4) & 0x3
 			c.slotA.fileNo = uint8(block & 0xff)
 			c.slotA.initializeDrive()
-			c.slotA.fileNo = uint8((block >> 8) & 0xff)
-			c.slotA.initializeDrive()
+			if command != 8 {
+				c.slotB.fileNo = uint8((block >> 8) & 0xff)
+				c.slotB.initializeDrive()
+			}
 
 			c.tracef("%v-Set Volume %v and %v\n",
-				command, c.slotA.fileNo, c.slotA.fileNo)
+				command, c.slotA.fileNo, c.slotB.fileNo)
 
-			if command == 4 {
-				c.responseBuffer = append(c.responseBuffer, 0x00) // Success code
+			if command == 4 || command == 8 {
+				c.sendResponseCode(0x00) // Success code
 			} else {
 				c.sendResponse()
-				// command 6 writes eeprom, not emulated
+				// command 6 does not write eeprom, not emulated
 			}
 			c.commandBuffer = nil
 		}
 
+	case 0xa: // Read failsafe
+		if len(c.commandBuffer) == 6 {
+			unit, buffer, block := c.getUnitBufBlk()
+			c.tracef("1-Read unit $%02x, buffer $%x, block %v\n", unit, buffer, block)
+
+			slot := c.selectSlot(unit)
+			data, err := slot.readBlock(unit, block)
+			if err != nil {
+				c.sendResponse(c.readBootBlock(block)...)
+			} else {
+				c.sendResponse(data...)
+			}
+			c.commandBuffer = nil
+		}
+
+	case 0x0b: // Version info
+		c.tracef("0b-Version info\n")
+		c.sendResponse(c.versionInfo()...)
+		c.commandBuffer = nil
+
 	case 13 + 128, 32 + 128: // Read bootblock
 		if len(c.commandBuffer) == 6 {
+			_, _, block := c.getUnitBufBlk()
+
 			c.tracef("ac-Read bootblock\n")
-			c.sendResponse(PROGMEM[:]...)
+			c.sendResponse(c.readBootBlock(block)...)
 			c.commandBuffer = nil
 		}
 
 	default: // Unknown command
 		c.tracef("Unknown command %v\n", command)
 		c.sendResponseCode(0x27)
+		c.commandBuffer = nil
 	}
 }
 
@@ -387,3 +486,119 @@ var PROGMEM = [512]uint8{
 	0xf7, 0xad, 0x01, 0x10, 0x85, 0xf8, 0x60, 0xa9, 0x00, 0x85, 0xf1, 0x6c,
 	0xf1, 0x00,
 }
+
+var PROGMEM_v7 = [3 * 512]uint8{
+	0xea, 0x8d, 0x0e, 0xc0, 0xa9, 0x20, 0x85, 0xf0, 0xa9, 0x60, 0x85, 0xf3,
+	0xa5, 0x43, 0x4a, 0x4a, 0x4a, 0x4a, 0x29, 0x07, 0x09, 0xc0, 0x85, 0xf2,
+	0xa0, 0x00, 0x84, 0xf1, 0x88, 0xb1, 0xf1, 0x85, 0xf1, 0xa9, 0x02, 0x85,
+	0xf9, 0xe6, 0x46, 0xe6, 0x45, 0xe6, 0x45, 0x20, 0xf0, 0x00, 0x90, 0x06,
+	0x20, 0xe2, 0xfb, 0x4c, 0xba, 0xfa, 0xc6, 0xf9, 0xd0, 0xeb, 0xa9, 0x00,
+	0x85, 0xfc, 0x20, 0x93, 0xfe, 0x20, 0x89, 0xfe, 0x20, 0xc4, 0x0b, 0x20,
+	0xb6, 0x08, 0x20, 0x01, 0x09, 0xa5, 0xf5, 0x85, 0x46, 0xa5, 0xf6, 0x85,
+	0x47, 0x20, 0xab, 0x0b, 0x4c, 0xe6, 0x0c, 0x20, 0xd4, 0x08, 0x20, 0x6c,
+	0x08, 0xa5, 0xf7, 0x85, 0x46, 0xa5, 0xf8, 0x85, 0x47, 0x4c, 0xaf, 0x0b,
+	0xa9, 0x00, 0x85, 0xfb, 0xa9, 0x04, 0x85, 0x25, 0x20, 0x22, 0xfc, 0xa5,
+	0xfb, 0x05, 0xfc, 0x85, 0x46, 0x09, 0x80, 0x85, 0x47, 0x20, 0xaf, 0x0b,
+	0xa9, 0x00, 0x20, 0x42, 0x0a, 0xa9, 0xff, 0x85, 0x32, 0xa5, 0x43, 0x09,
+	0x80, 0x85, 0x43, 0xa5, 0xfb, 0x09, 0x80, 0x85, 0xfb, 0xa9, 0x14, 0x20,
+	0x42, 0x0a, 0xa9, 0xff, 0x85, 0x32, 0x4a, 0x25, 0x43, 0x85, 0x43, 0xe6,
+	0x25, 0xe6, 0xfb, 0xa5, 0xfb, 0x29, 0x7f, 0x85, 0xfb, 0xc9, 0x10, 0x90,
+	0xbf, 0x60, 0xa5, 0xf7, 0x85, 0xf5, 0xa5, 0xf8, 0x85, 0xf6, 0x60, 0xa0,
+	0x00, 0x84, 0x24, 0xa0, 0x03, 0x84, 0x25, 0x20, 0x22, 0xfc, 0x20, 0x83,
+	0x0b, 0xa0, 0x14, 0x84, 0x24, 0x4c, 0x7e, 0x0b, 0xa5, 0xfa, 0x48, 0xa9,
+	0x15, 0x20, 0x62, 0x0b, 0x20, 0x8b, 0x0b, 0xa9, 0x14, 0x85, 0x24, 0x20,
+	0x87, 0x0b, 0xa9, 0x01, 0x85, 0xfa, 0x20, 0x14, 0x0a, 0xc6, 0xfa, 0x10,
+	0xf9, 0x68, 0x85, 0xfa, 0x60, 0x20, 0xc0, 0x0c, 0x20, 0xb6, 0x08, 0x68,
+	0x68, 0x18, 0x4c, 0xe6, 0x0c, 0x20, 0x02, 0x0a, 0x20, 0xbf, 0x08, 0xa5,
+	0xf5, 0x29, 0x70, 0x85, 0xfc, 0xa9, 0x00, 0x85, 0xfa, 0x20, 0x5b, 0x08,
+	0x20, 0xda, 0x0b, 0xa9, 0x40, 0x20, 0x9e, 0x0a, 0x20, 0x14, 0x0a, 0x20,
+	0x0c, 0xfd, 0x48, 0xa9, 0x01, 0x20, 0x9e, 0x0a, 0xa6, 0xfa, 0xb5, 0xf5,
+	0x29, 0x8f, 0xa8, 0x68, 0xc9, 0x8d, 0xd0, 0x1f, 0xa9, 0x00, 0x20, 0x9e,
+	0x0a, 0xa5, 0xfa, 0x49, 0x01, 0x85, 0xfa, 0xd0, 0x01, 0x60, 0xaa, 0xb5,
+	0xf5, 0x29, 0x70, 0xc5, 0xfc, 0xf0, 0xcc, 0x85, 0xfc, 0x20, 0x5b, 0x08,
+	0x4c, 0x17, 0x09, 0xc9, 0x9b, 0xf0, 0x9e, 0xc9, 0xa1, 0xd0, 0x05, 0xa9,
+	0xff, 0x85, 0xf5, 0x60, 0xc9, 0xac, 0xf0, 0x04, 0xc9, 0x8b, 0xd0, 0x13,
+	0x98, 0x0a, 0x08, 0x38, 0xe9, 0x02, 0x29, 0x1e, 0x28, 0x6a, 0x29, 0x8f,
+	0x05, 0xfc, 0x95, 0xf5, 0x4c, 0x17, 0x09, 0xc9, 0xa0, 0xf0, 0x04, 0xc9,
+	0x8a, 0xd0, 0x04, 0xc8, 0x98, 0xd0, 0xeb, 0xc9, 0x88, 0xd0, 0x1e, 0x98,
+	0x49, 0x80, 0xa8, 0x05, 0xfc, 0x95, 0xf5, 0x10, 0xe3, 0xa9, 0xf0, 0x18,
+	0x65, 0xfc, 0x29, 0x70, 0x85, 0xfc, 0x98, 0x48, 0x20, 0x5b, 0x08, 0xa6,
+	0xfa, 0x68, 0x4c, 0x72, 0x09, 0xc9, 0x95, 0xd0, 0x0e, 0x98, 0x49, 0x80,
+	0xa8, 0x05, 0xfc, 0x95, 0xf5, 0x30, 0xc1, 0xa9, 0x10, 0xd0, 0xdc, 0xc9,
+	0xe1, 0x90, 0x03, 0x38, 0xe9, 0x20, 0xc9, 0xc1, 0x90, 0x09, 0xc9, 0xc7,
+	0xb0, 0x05, 0x38, 0xe9, 0x07, 0xd0, 0x08, 0xc9, 0xb0, 0x90, 0x11, 0xc9,
+	0xba, 0xb0, 0x0d, 0x29, 0x0f, 0x85, 0xf9, 0x98, 0x29, 0x80, 0x05, 0xf9,
+	0xa8, 0x4c, 0x72, 0x09, 0xc9, 0xc9, 0xf0, 0x02, 0xd0, 0x8e, 0x20, 0x02,
+	0x0a, 0x20, 0xda, 0x0b, 0x20, 0x0c, 0x0c, 0x4c, 0x01, 0x09, 0xc9, 0xff,
+	0xf0, 0x03, 0x4c, 0xda, 0xfd, 0xa9, 0xa1, 0x4c, 0xed, 0xfd, 0x20, 0x58,
+	0xfc, 0xa9, 0x3f, 0x20, 0x6b, 0x0b, 0xa9, 0x17, 0x20, 0x62, 0x0b, 0xa9,
+	0x23, 0x4c, 0x6b, 0x0b, 0xa2, 0x0b, 0xa5, 0xfa, 0xf0, 0x02, 0xa2, 0x1f,
+	0x86, 0x24, 0xa0, 0x15, 0x84, 0x25, 0x20, 0x22, 0xfc, 0xa4, 0xfa, 0xb9,
+	0xf5, 0x00, 0x48, 0x30, 0x04, 0xa0, 0x01, 0xd0, 0x02, 0xa0, 0x02, 0x98,
+	0x20, 0xe3, 0xfd, 0xe6, 0x24, 0x68, 0x29, 0x7f, 0x20, 0xf6, 0x09, 0xc6,
+	0x24, 0x60, 0x85, 0x24, 0xa5, 0xfb, 0x05, 0xfc, 0x48, 0x29, 0x7f, 0x20,
+	0xda, 0xfd, 0xa9, 0xba, 0x20, 0xed, 0xfd, 0xe6, 0x24, 0x68, 0xc5, 0xf5,
+	0xf0, 0x04, 0xc5, 0xf6, 0xd0, 0x04, 0xa9, 0x3f, 0x85, 0x32, 0x20, 0x9e,
+	0x0b, 0xb0, 0x32, 0xad, 0x05, 0x10, 0x30, 0x2d, 0xad, 0x04, 0x10, 0xaa,
+	0x29, 0xf0, 0xc9, 0xf0, 0xd0, 0x23, 0x8a, 0x29, 0x0f, 0xf0, 0x1e, 0x85,
+	0xf9, 0xa2, 0x00, 0xbd, 0x05, 0x10, 0x09, 0x80, 0x20, 0xed, 0xfd, 0xe8,
+	0xe4, 0xf9, 0xd0, 0xf3, 0xe0, 0x0f, 0xd0, 0x01, 0x60, 0xa9, 0xa0, 0x20,
+	0xed, 0xfd, 0xe8, 0xd0, 0xf3, 0xa2, 0x00, 0x4c, 0x92, 0x0b, 0xa6, 0xfa,
+	0xc9, 0x01, 0xd0, 0x0a, 0xa9, 0x80, 0xa4, 0xf5, 0xc4, 0xf6, 0xd0, 0x02,
+	0xa9, 0x00, 0x85, 0xf9, 0xb5, 0xf5, 0x30, 0x04, 0xa0, 0x04, 0xd0, 0x02,
+	0xa0, 0x18, 0x84, 0x24, 0x29, 0x7f, 0x45, 0xfc, 0xc9, 0x10, 0xb0, 0x17,
+	0x69, 0x04, 0x85, 0x25, 0x20, 0x22, 0xfc, 0xa4, 0x24, 0xa2, 0x0f, 0xb1,
+	0x28, 0x29, 0x3f, 0x05, 0xf9, 0x91, 0x28, 0xc8, 0xca, 0xd0, 0xf4, 0x60,
+	0xad, 0xad, 0xad, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+	0xa0, 0xa0, 0xa0, 0x00, 0xc4, 0xd2, 0xc9, 0xd6, 0xc5, 0xa0, 0xb1, 0xba,
+	0xa0, 0xd3, 0xc4, 0xbf, 0xaf, 0x00, 0xd3, 0xc4, 0xb1, 0xba, 0x00, 0x20,
+	0x20, 0x01, 0x10, 0x10, 0x0c, 0x05, 0x20, 0x09, 0x09, 0x20, 0x06, 0x0f,
+	0x12, 0x05, 0x16, 0x05, 0x12, 0x21, 0x20, 0x20, 0x16, 0x33, 0x2e, 0x34,
+	0x2e, 0x32, 0x00, 0x04, 0x01, 0x0e, 0x20, 0x09, 0x09, 0x20, 0x16, 0x0f,
+	0x0c, 0x15, 0x0d, 0x05, 0x20, 0x13, 0x05, 0x0c, 0x05, 0x03, 0x14, 0x0f,
+	0x12, 0x00, 0xa0, 0xcf, 0xcb, 0xa1, 0x00, 0xc5, 0xd2, 0xd2, 0xcf, 0xd2,
+	0xa1, 0x87, 0x87, 0x87, 0x00, 0xc6, 0xd4, 0xd0, 0xaf, 0xc9, 0xd0, 0xba,
+	0xa0, 0x00, 0xce, 0xc5, 0xd7, 0xa0, 0xc9, 0xd0, 0xba, 0xa0, 0xa0, 0xa0,
+	0xa0, 0xae, 0xa0, 0xa0, 0xa0, 0xae, 0xa0, 0xa0, 0xa0, 0xae, 0xa0, 0xa0,
+	0xa0, 0x00, 0x85, 0x25, 0xa9, 0x00, 0x85, 0x24, 0x4c, 0x22, 0xfc, 0x48,
+	0xa2, 0x26, 0xa9, 0x20, 0x20, 0xed, 0xfd, 0xca, 0x10, 0xf8, 0x68, 0xaa,
+	0xa9, 0x08, 0x85, 0x24, 0xd0, 0x14, 0xa9, 0xb2, 0x8d, 0xfc, 0x0a, 0xa2,
+	0x1e, 0xd0, 0x0b, 0xa9, 0xb2, 0xd0, 0x02, 0xa9, 0xb1, 0x8d, 0xf2, 0x0a,
+	0xa2, 0x10, 0xbd, 0xdc, 0x0a, 0xf0, 0x06, 0x20, 0xed, 0xfd, 0xe8, 0xd0,
+	0xf5, 0x60, 0xa0, 0x00, 0x84, 0x47, 0xc8, 0x84, 0x42, 0xc8, 0x84, 0x46,
+	0x4c, 0xb9, 0x0b, 0xa9, 0x07, 0xd0, 0x02, 0xa9, 0x06, 0x85, 0x42, 0xa5,
+	0x47, 0x49, 0x80, 0x85, 0x47, 0xa9, 0x00, 0x85, 0x44, 0xa9, 0x10, 0x85,
+	0x45, 0x4c, 0xf0, 0x00, 0xa9, 0x05, 0x85, 0x42, 0x20, 0xb9, 0x0b, 0xad,
+	0x00, 0x10, 0x85, 0xf7, 0xad, 0x01, 0x10, 0x49, 0x80, 0x85, 0xf8, 0x4c,
+	0xb6, 0x08, 0xa9, 0x21, 0x20, 0xb1, 0x0b, 0xb0, 0xbc, 0xad, 0x10, 0x10,
+	0xf0, 0xb7, 0xa9, 0x01, 0x20, 0x62, 0x0b, 0xa2, 0x09, 0x86, 0x24, 0xa2,
+	0x65, 0x20, 0x92, 0x0b, 0xad, 0x06, 0x10, 0x20, 0xb4, 0x0c, 0xad, 0x07,
+	0x10, 0x20, 0xb4, 0x0c, 0xad, 0x08, 0x10, 0x20, 0xb4, 0x0c, 0xad, 0x09,
+	0x10, 0x4c, 0x13, 0x0d, 0xa5, 0x43, 0x48, 0xa9, 0x0a, 0x20, 0x62, 0x0b,
+	0xa2, 0x6e, 0x20, 0x92, 0x0b, 0xa9, 0x08, 0x85, 0x24, 0x20, 0x54, 0x0c,
+	0xb0, 0xed, 0x85, 0x44, 0xe6, 0x24, 0x20, 0x54, 0x0c, 0xb0, 0xe4, 0x85,
+	0x45, 0xe6, 0x24, 0x20, 0x54, 0x0c, 0xb0, 0xdb, 0x85, 0x46, 0xe6, 0x24,
+	0x20, 0x54, 0x0c, 0xb0, 0xd2, 0x85, 0x47, 0x85, 0x43, 0xa9, 0x20, 0x85,
+	0x42, 0x20, 0xf0, 0x00, 0x18, 0xaa, 0x68, 0x85, 0x43, 0xca, 0xf0, 0x01,
+	0x38, 0x4c, 0xd0, 0x0c, 0xa9, 0x00, 0x85, 0xf9, 0xa2, 0x03, 0x8a, 0x48,
+	0x20, 0x93, 0x0c, 0xb0, 0x17, 0xc9, 0xff, 0xf0, 0x17, 0xa8, 0x20, 0x84,
+	0x0c, 0xb0, 0x0d, 0x98, 0x65, 0xf9, 0x85, 0xf9, 0xb0, 0x06, 0x68, 0xaa,
+	0xca, 0xd0, 0xe3, 0x48, 0x68, 0xa5, 0xf9, 0x60, 0x68, 0x18, 0x65, 0x24,
+	0x85, 0x24, 0x90, 0xf5, 0xa2, 0x0a, 0xa9, 0x00, 0x18, 0x65, 0xf9, 0xb0,
+	0x05, 0xca, 0xd0, 0xf9, 0x85, 0xf9, 0x60, 0x20, 0x0c, 0xfd, 0xc9, 0xa0,
+	0xd0, 0x04, 0xa9, 0xff, 0x18, 0x60, 0xc9, 0x8d, 0xf0, 0xf8, 0xc9, 0xae,
+	0xf0, 0xf4, 0xc9, 0xb0, 0x30, 0xe9, 0xc9, 0xba, 0xb0, 0xe5, 0x20, 0xed,
+	0xfd, 0x29, 0x0f, 0x60, 0x20, 0x13, 0x0d, 0xa9, 0xae, 0x4c, 0xed, 0xfd,
+	0xa9, 0x00, 0xf0, 0x02, 0xa9, 0x80, 0xa2, 0x01, 0x86, 0xfa, 0x48, 0x20,
+	0x9e, 0x0a, 0x68, 0xc6, 0xfa, 0x10, 0xf7, 0x60, 0xa2, 0x56, 0x90, 0x02,
+	0xa2, 0x5b, 0x20, 0x92, 0x0b, 0xa2, 0x06, 0xa9, 0xff, 0x20, 0xa8, 0xfc,
+	0xca, 0xd0, 0xf8, 0x4c, 0x58, 0xfc, 0x08, 0x20, 0xd4, 0x08, 0x20, 0xbc,
+	0x0c, 0xa9, 0x16, 0x20, 0x62, 0x0b, 0xa9, 0x11, 0x85, 0x24, 0x28, 0x20,
+	0xd0, 0x0c, 0xa9, 0x08, 0x48, 0x85, 0x45, 0xa9, 0x00, 0x48, 0x85, 0x44,
+	0x85, 0x46, 0x85, 0x47, 0xa2, 0x01, 0x81, 0x44, 0xa9, 0x0a, 0x85, 0x42,
+	0x6c, 0xf1, 0x00, 0xc9, 0x0a, 0x90, 0x1e, 0xa2, 0x64, 0x86, 0xf9, 0x20,
+	0x38, 0x0d, 0xe0, 0x00, 0xf0, 0x06, 0x48, 0x8a, 0x20, 0xe3, 0xfd, 0x68,
+	0xa2, 0x0a, 0x86, 0xf9, 0x20, 0x38, 0x0d, 0x48, 0x8a, 0x20, 0xe3, 0xfd,
+	0x68, 0x4c, 0xe3, 0xfd, 0xa2, 0x00, 0xc5, 0xf9, 0x90, 0x06, 0xe8, 0x38,
+	0xe5, 0xf9, 0xb0, 0xf6, 0x60,
+}
diff --git a/resources/Apple2CardFirmwareImproved.bin b/resources/Apple2CardFirmwareImproved.bin
new file mode 100644
index 0000000..0eda6bc
Binary files /dev/null and b/resources/Apple2CardFirmwareImproved.bin differ