diff --git a/.gitignore b/.gitignore
index 8ac76ee..9ca7c32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
+.vscode/
+gbdk/
 Source/obj
-mgb.gb
+Source/out
+mgb.gb
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 1f56146..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "gbdk-n"]
-	path = gbdk-n
-	url = https://github.com/trash80/gbdk-n.git
diff --git a/README.md b/README.md
index 1442c9c..ec96b08 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,22 @@ mGB is a Gameboy cartridge program (You need a Flash Cart and Transfer hardware)
 
 ![ScreenShot](http://trash80.net/arduinoboy/mGB1_2_0.png)
 
+## Building mGB
+
+Follow the [GBDK-2020 instructions](https://github.com/gbdk-2020/gbdk-2020/tree/develop?tab=readme-ov-file#usage) and unzip v4.3.0+ into the `gbdk/` folder. Then run make:
+
+```
+cd Source
+
+make           # fast compile
+make DEBUG=1   # enable debug symbols
+make RELEASE=1 # slower compile but faster on device
+make clean     # clean up the build directories
+```
+
 ## Change Log
+ * 07/05/24
+   * Project updated to build with [GBDK-2020](https://github.com/gbdk-2020/gbdk-2020) v4.3.0
  * 06/26/15 
    * Project has been moved to GitHub along with sourcecode.
  * 12/21/12 1.3.3
diff --git a/Source/Makefile b/Source/Makefile
index b7e1bfb..1f0b8b4 100644
--- a/Source/Makefile
+++ b/Source/Makefile
@@ -1,22 +1,69 @@
-BIN=../gbdk-n/bin
-OBJ=./obj
+# If you move this project you can change the directory 
+# to match your GBDK root directory (ex: GBDK_HOME = "C:/GBDK/"
+ifndef GBDK_HOME
+	GBDK_HOME = ../gbdk
+endif
 
+PROJECTNAME = mGB
 
+LCC = $(GBDK_HOME)/bin/lcc 
 
-build:
-	mkdir -p $(OBJ)
-	$(BIN)/gbdk-n-compile.sh mgb_save.c -o $(OBJ)/mgb_save.rel -Wa-l -ba0
+LCCFLAGS += -msm83:gb # GB/GBC
+# LCCFLAGS += -v # verbose
+# LCCFLAGS += -autobank 
+
+ifdef DEBUG
+LCCFLAGS += -debug -v
+endif
+
+ifdef RELEASE
+LCCFLAGS += -Wf--max-allocs-per-node50000 # A better speed optimization than --opt-code-speed
+else
+LCCFLAGS += -Wf--opt-code-speed # Optimize for code speed rather than size
+endif
+
+# sdcc settings (-Wf and -Wp)
+# LCCFLAGS += -Wf--legacy-banking # Use legacy method to call banked functions
+
+# sdasgb (asm) settings (-Wa)
+# LCCFLAGS += -Wa-l # generate asm listing
+# LCCFLAGS += -Wa-a # All symbols are global
+# LCCFLAGS += -Wa-s # Create symbol file/outfile[.sym]
+# LCCFLAGS += -Wa-j # Enable NoICE Debug Symbols
+# LCCFLAGS += -Wa-y # Enable SDCC Debug Symbols
+# LCCFLAGS += -Wa-g # Undefined symbols are global
+# LCCFLAGS += -Wa-n # Don't resolve global assigned value symbols
+# LCCFLAGS += -Wa-z # Disable case sensitivity for symbols
 
-	$(BIN)/gbdk-n-assemble.sh $(OBJ)/mGBASMFunctions.rel mGBASMFunctions.s
-	$(BIN)/gbdk-n-assemble.sh $(OBJ)/mGBASMSynthFunctions.rel mGBASMSynthFunctions.s
-	$(BIN)/gbdk-n-assemble.sh $(OBJ)/mGBASMMidiFunctions.rel mGBASMMidiFunctions.s
+# sdldgb (linker) settings (-Wl)
+# LCCFLAGS += -Wl-m # Map output generated as (out)file[.map]
+# LCCFLAGS += -Wl-j # NoICE Debug output as (out)file[.noi]
+# LCCFLAGS += -Wl-w # Wide listing format for map file
 
-	$(BIN)/gbdk-n-compile.sh mgb.c -o $(OBJ)/mgb.rel -I ./ -Wa-l -Wl-m -Wl-j
+# makebin settings (-Wm)
+# LCCFLAGS += -Wm-yS # Convert .noi file named like input file to .sym
+LCCFLAGS += -Wm-yc # GBC compatible
+LCCFLAGS += -Wm-yn"$(PROJECTNAME)" # cartridge name
+LCCFLAGS += -Wm-yt3 # MBC type = ROM+MBC1+RAM+BATT 
+LCCFLAGS += -Wm-ya1 # number of ram banks: -ya 1
+
+
+OBJ=obj
+OUT=out
+
+build:
+	mkdir -p $(OBJ)
+	mkdir -p $(OUT)
+	
+	# mostly so you can see the .asm
+	$(LCC) $(LCCFLAGS) -c -o $(OBJ)/mGB.rel mGB.c
 
-	$(BIN)/gbdk-n-link.sh $(OBJ)/mgb.rel $(OBJ)/mgb_save.rel $(OBJ)/mGBASMFunctions.rel $(OBJ)/mGBASMSynthFunctions.rel $(OBJ)/mGBASMMidiFunctions.rel -o $(OBJ)/mgb.ihx
+	$(LCC) $(LCCFLAGS) -o $(OUT)/$(PROJECTNAME).gb $(OBJ)/mGB.rel *.s
 
-	$(BIN)/gbdk-n-make-rom.sh -ya 1 $(OBJ)/mgb.ihx mgb.gb
+compile.bat: Makefile
+	@echo "REM Automatically generated from Makefile" > compile.bat
+	@make -sn | sed y/\\//\\\\/ | sed s/mkdir\ \-p/mkdir/ | grep -v make >> compile.bat
 
 clean:
 	rm -rf $(OBJ)
-	rm -f mgb.gb
+	rm -rf $(OUT)
\ No newline at end of file
diff --git a/Source/compile.bat b/Source/compile.bat
new file mode 100644
index 0000000..de39464
--- /dev/null
+++ b/Source/compile.bat
@@ -0,0 +1,8 @@
+REM Automatically generated from Makefile
+mkdir obj
+mkdir out
+# -ba 0 probably not needed anymore
+..\..\gbdk-4.3.0\bin\lcc  -msm83:gb  -Wf--opt-code-speed  -Wf--legacy-banking  -Wm-yc  -Wm-yn"mGB"  -Wm-yt3  -Wm-ya1  -c -Wb-ba0 -o obj\mgb_save.rel mgb_save.c
+# mostly so you can see the .asm
+..\..\gbdk-4.3.0\bin\lcc  -msm83:gb  -Wf--opt-code-speed  -Wf--legacy-banking  -Wm-yc  -Wm-yn"mGB"  -Wm-yt3  -Wm-ya1  -c -o obj\mGB.rel mGB.c
+..\..\gbdk-4.3.0\bin\lcc  -msm83:gb  -Wf--opt-code-speed  -Wf--legacy-banking  -Wm-yc  -Wm-yn"mGB"  -Wm-yt3  -Wm-ya1  -o out\mGB.gb obj\mGB.rel obj\mgb_save.rel *.s
diff --git a/Source/mGB.c b/Source/mGB.c
old mode 100755
new mode 100644
index 2d69790..6885018
--- a/Source/mGB.c
+++ b/Source/mGB.c
@@ -1,88 +1,123 @@
-#include <gb/gb.h>
-#include <mGB.h>
+#include "mGB.h"
 
-void printbyte(UBYTE v1, UBYTE v2, UBYTE v3)
-{
-	bkg[0] = (v1 >> 4)+1;
-	bkg[1] = (0x0F & v1)+1;
+void printbyte(UBYTE v1, UBYTE v2, UBYTE v3) {
+  bkg[0] = (v1 >> 4) + 1;
+  bkg[1] = (0x0F & v1) + 1;
 
-	bkg[2] = 0;
+  bkg[2] = 0;
 
-	bkg[3] = (v2 >> 4)+1;
-	bkg[4] = (0x0F & v2)+1;
+  bkg[3] = (v2 >> 4) + 1;
+  bkg[4] = (0x0F & v2) + 1;
 
-	bkg[5] = 0;
+  bkg[5] = 0;
 
-	bkg[6] = (v3 >> 4)+1;
-	bkg[7] = (0x0F & v3)+1;
+  bkg[6] = (v3 >> 4) + 1;
+  bkg[7] = (0x0F & v3) + 1;
 
-	bkg[8] = 0;
-	set_bkg_tiles(1,16,10,1,bkg);
+  bkg[8] = 0;
+  set_bkg_tiles(1, 16, 10, 1, bkg);
 }
 
-#include <mGBSynthPitchFunctions.c>
-#include <mGBSynthCommonFunctions.c>
-#include <mGBDisplayFunctions.c>
-#include <mGBMemoryFunctions.c>
-#include <mGBUserFunctions.c>
+#include "mGBDisplayFunctions.c"
+#include "mGBMemoryFunctions.c"
+#include "mGBMidiFunctions.c"
+#include "mGBSynthCommonFunctions.c"
+#include "mGBSynthPitchFunctions.c"
+#include "mGBUserFunctions.c"
+#include "serial.c"
 
-void setSoundDefaults()
-{
-  NR52_REG = 0x8FU;  //Turn sound on
-  NR50_REG = 0x77U;  //Turn on Pulses outs
+void setSoundDefaults(void) {
+  rAUDENA = 0x8FU; // Turn sound on
+  rAUDVOL = 0x77U; // Turn on Pulses outs
 
   setOutputPan(0U, 64U);
   setOutputPan(1U, 64U);
   setOutputPan(2U, 64U);
   setOutputPan(3U, 64U);
 
-  asmLoadWav(wavDataOffset); //tRIANGLE
-  NR32_REG = 0x00U;
+  asmLoadWav(wavDataOffset); // tRIANGLE
+  rAUD3LEVEL = 0x00U;
 
-  NR44_REG = 0x80U;
-  NR41_REG = 0x3FU; //sound length
+  rAUD4GO = 0x80U;
+  rAUD4LEN = 0x3FU; // sound length
 }
 
-void testSynths()
-{
-	addressByte = 0x40;
-	valueByte = 0x7F;
-	asmPlayNotePu1();
+void testSynths(void) {
+  addressByte = 0x40;
+  valueByte = 0x7F;
+  asmPlayNotePu1();
 }
 
+void main(void) {
 
-void main()
-{
-    disable_interrupts();
-	  cpu_fast();
-		checkMemory();
-		displaySetup();
-		setSoundDefaults();
-  	add_TIM(updateSynths);
-
-		loadDataSet(0x00U);
-		loadDataSet(0x01U);
-		loadDataSet(0x02U);
-		loadDataSet(0x03U);
-    enable_interrupts();
+  CRITICAL {
+    cpu_fast();
+    checkMemory();
+    displaySetup();
+    setSoundDefaults();
+    add_TIM(updateSynths);
 
+    loadDataSet(0x00U);
+    loadDataSet(0x01U);
+    loadDataSet(0x02U);
+    loadDataSet(0x03U);
+  }
 
   /* Set TMA to divide clock by 0x100 */
-  		TMA_REG = 0x00U;
+  rTMA = 0x00U;
   /* Set clock to 262144 Hertz */
-  		TAC_REG = 0x05U;
+  rTAC = TACF_START | TACF_262KHZ;
   /* Handle VBL and TIM interrupts */
 
   set_interrupts(VBL_IFLAG | TIM_IFLAG | SIO_IFLAG);
 
-	SHOW_BKG;
-	SHOW_SPRITES;
+  SHOW_BKG;
+  SHOW_SPRITES;
 
-	showSplashScreen();
-	delay(2000);
+  showSplashScreen();
+  delay(2000);
 
-	showMainScreen();
-    printversion();
-    //testSynths();
-	asmMain();
+  showMainScreen();
+  printversion();
+  // testSynths();
+  gameMain();
 }
+
+inline void gameMain(void) {
+  rSC = SIOF_XFER_START | SIOF_CLOCK_EXT;
+  while (1) {
+    systemIdle = 1;
+
+    updateMidiBuffer();
+
+    if (systemIdle)
+      getPad();
+
+    if (systemIdle)
+      asmUpdatePu1();
+
+    if (systemIdle)
+      asmUpdatePu2();
+
+    if (systemIdle)
+      asmUpdateWav();
+
+    if (systemIdle)
+      asmUpdateNoi();
+
+    if (systemIdle)
+      mainScreen();
+  }
+}
+
+void mainScreen(void) {
+  if (currentScreen == 0) {
+    return;
+  };
+
+  updateDisplaySynthCounter = (updateDisplaySynthCounter + 1) & 3U;
+
+  updateDisplaySynth();
+  // printbyte(statusByte, addressByte, valueByte);
+  setPlayMarker();
+}
\ No newline at end of file
diff --git a/Source/mGB.h b/Source/mGB.h
index 862a509..f14523f 100644
--- a/Source/mGB.h
+++ b/Source/mGB.h
@@ -1,27 +1,42 @@
+#pragma once
 
-extern UBYTE saveData[513U];
-//extern UBYTE wavData[512U];
+#include <gbdk/platform.h>
+#include <types.h>
 
-extern UBYTE serialBuffer[256];
-extern UBYTE serialBufferPosition;
-extern UBYTE serialBufferReadPosition;
+// save data in SRAM (0xA000)
+volatile UBYTE AT(0xA000) saveData[513];
 
+UBYTE serialBuffer[256];
+UBYTE serialBufferPosition;
+UBYTE serialBufferReadPosition;
+
+// MIDI status
 UBYTE statusByte;
+// MIDI address (e.g. note/CC control)
 UBYTE addressByte;
+// MIDI value (e.g. velocity/value)
 UBYTE valueByte;
-UBYTE captureDataType;
 UBYTE capturedAddress;
 UBYTE updateDisplaySynthCounter;
 
-void asmMain();
-void asmUpdateSerial();
-void asmLoadWav(UBYTE ost);
-void asmUpdateMidiBuffer();
-void asmUpdatePu1();
-void asmUpdatePu2();
-void asmUpdateWav();
-void asmUpdateNoi();
-void asmPlayNotePu1();
+void asmLoadWav(UBYTE offset) OLDCALL;
+void updateMidiBuffer(void);
+void asmUpdatePu1(void);
+void asmUpdatePu2(void);
+void asmUpdateWav(void);
+void asmUpdateNoi(void);
+void asmPlayNotePu1(void);
+void asmEventMidiPB(void);
+void asmEventMidiCC(void);
+void asmEventMidiNote(void);
+void asmEventMidiNoteOff(void);
+void asmEventMidiPC(void);
+
+inline void gameMain(void);
+void mainScreen(void);
+void updateVibratoPosition(UBYTE synth);
+void updateSynth(UBYTE synth);
+void updateValueSynth(UBYTE p);
 
 #define PU1 0
 #define PU2 1
@@ -29,21 +44,20 @@ void asmPlayNotePu1();
 #define NOI 3
 
 #define PU1_CURRENT_STATUS 0
-#define PU1_CURRENT_NOTE   1
+#define PU1_CURRENT_NOTE 1
 #define PU2_CURRENT_STATUS 2
-#define PU2_CURRENT_NOTE   3
+#define PU2_CURRENT_NOTE 3
 #define WAV_CURRENT_STATUS 4
-#define WAV_CURRENT_NOTE   5
+#define WAV_CURRENT_NOTE 5
 #define NOI_CURRENT_STATUS 6
-#define NOI_CURRENT_NOTE   7
-
-#define PBWHEEL_CENTER     0x80
+#define NOI_CURRENT_NOTE 7
 
+#define PBWHEEL_CENTER 0x80
 
-#define RGB_LIGHT      RGB( 23, 29, 31)
-#define RGB_DARK       RGB( 0, 0, 2)
-#define RGB_HAWT       RGB( 31, 5, 31)
-#define RGB_HAWTBLU    RGB( 0, 15, 31)
+#define RGB_LIGHT RGB(23, 29, 31)
+#define RGB_DARK RGB(0, 0, 2)
+#define RGB_HAWT RGB(31, 5, 31)
+#define RGB_HAWTBLU RGB(0, 15, 31)
 #define SPRITE_ARRL 0x79
 #define SPRITE_ARRT 0x80
 #define SPRITE_ARRT_START 26
@@ -51,24 +65,22 @@ void asmPlayNotePu1();
 #define SPRITE_PUFREQ_LOW 1
 
 UWORD freq[72] = {
-  44, 	156,  262,  363,  457,  547,  631,  710,  786,  854,  923,  986,
-  1046, 1102, 1155, 1205, 1253, 1297, 1339, 1379, 1417, 1452, 1486, 1517,
-  1546, 1575, 1602, 1627, 1650, 1673, 1694, 1714, 1732, 1750, 1767, 1783,
-  1798, 1812, 1825, 1837, 1849, 1860, 1871, 1881, 1890, 1899, 1907, 1915,
-  1923, 1930, 1936, 1943, 1949, 1954, 1959, 1964, 1969, 1974, 1978, 1982,
-  1985, 1988, 1992, 1995, 1998, 2001, 2004, 2006, 2009, 2011, 2013, 2015
-};
+    44,   156,  262,  363,  457,  547,  631,  710,  786,  854,  923,  986,
+    1046, 1102, 1155, 1205, 1253, 1297, 1339, 1379, 1417, 1452, 1486, 1517,
+    1546, 1575, 1602, 1627, 1650, 1673, 1694, 1714, 1732, 1750, 1767, 1783,
+    1798, 1812, 1825, 1837, 1849, 1860, 1871, 1881, 1890, 1899, 1907, 1915,
+    1923, 1930, 1936, 1943, 1949, 1954, 1959, 1964, 1969, 1974, 1978, 1982,
+    1985, 1988, 1992, 1995, 1998, 2001, 2004, 2006, 2009, 2011, 2013, 2015};
 
 UBYTE noteStatus[8];
 
 UBYTE noiFreq[72] = {
-0x94,0x87,0x86,0x85,0x84,0x77,0x76,0x75,0x74,0x67,0x66,0x65,
-0x64,0x57,0x56,0x55,0x54,0x47,0x46,0x45,0x44,0x37,0x36,0x35,
-0x34,0x27,0x26,0x25,0x24,0x17,0x16,0x15,0x14,0x07,0x06,0x00,
-0x9C,0x8F,0x8E,0x8D,0x8C,0x7F,0x7E,0x7D,0x7C,0x6F,0x6E,0x6D,
-0x6C,0x5F,0x5E,0x5D,0x5C,0x4F,0x4E,0x4D,0x4C,0x3F,0x3E,0x3D,
-0x3C,0x2F,0x2E,0x2D,0x2C,0x1F,0x1E,0x1D,0x1C,0x0F,0x0E,0x08
-};
+    0x94, 0x87, 0x86, 0x85, 0x84, 0x77, 0x76, 0x75, 0x74, 0x67, 0x66, 0x65,
+    0x64, 0x57, 0x56, 0x55, 0x54, 0x47, 0x46, 0x45, 0x44, 0x37, 0x36, 0x35,
+    0x34, 0x27, 0x26, 0x25, 0x24, 0x17, 0x16, 0x15, 0x14, 0x07, 0x06, 0x00,
+    0x9C, 0x8F, 0x8E, 0x8D, 0x8C, 0x7F, 0x7E, 0x7D, 0x7C, 0x6F, 0x6E, 0x6D,
+    0x6C, 0x5F, 0x5E, 0x5D, 0x5C, 0x4F, 0x4E, 0x4D, 0x4C, 0x3F, 0x3E, 0x3D,
+    0x3C, 0x2F, 0x2E, 0x2D, 0x2C, 0x1F, 0x1E, 0x1D, 0x1C, 0x0F, 0x0E, 0x08};
 
 UBYTE pu1Env;
 UBYTE pu2Env;
@@ -94,110 +106,75 @@ BOOLEAN pu2Sus;
 BOOLEAN noiSus;
 BOOLEAN wavSus;
 
-UBYTE outputSwitch[4] = {0x01,0x02,0x40,0x80};
-UBYTE outputSwitchMute[4] = {0x01,0x02,0x40,0x80};
-UBYTE outputSwitchValue[4] = {3,3,3,3};
-
+UBYTE outputSwitch[4] = {0x01, 0x02, 0x40, 0x80};
+UBYTE outputSwitchMute[4] = {0x01, 0x02, 0x40, 0x80};
+UBYTE outputSwitchValue[4] = {3, 3, 3, 3};
 
 UBYTE counterWavStart;
 UBYTE wavShapeLast;
 UBYTE wavDataOffset;
-UBYTE pbWheelIn[4] = {0x80,0x80,0x80,0x80};
-UBYTE pbWheelInLast[4] = {0x80,0x80,0x80,0x80};
-BOOLEAN pbWheelActive[4] = {0x00,0x00,0x00,0x00};
-UBYTE pbRange[4] = {2,2,2,12};
-UBYTE pbNoteRange[8] = {0,0,0,0,0,0,0,0};
+UBYTE pbWheelIn[4] = {0x80, 0x80, 0x80, 0x80};
+UBYTE pbWheelInLast[4] = {0x80, 0x80, 0x80, 0x80};
+BOOLEAN pbWheelActive[4] = {0x00, 0x00, 0x00, 0x00};
+UBYTE pbRange[4] = {2, 2, 2, 12};
+UBYTE pbNoteRange[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 UWORD currentFreq;
 UINT8 i;
 UINT8 x;
 UBYTE j;
 UBYTE l;
 UINT8 lastPadRead;
-BOOLEAN joyState[8] = {0,0,0,0,0,0,0,0};
+BOOLEAN joyState[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 UBYTE wavSweepSpeed;
 UWORD wavCurrentFreq;
 UWORD currentFreqData[4];
-const UBYTE wavData[256] = {
-	0x01,0x23,0x45,0x67,
-	0x89,0xAB,0xCD,0xEF,
-	0xFE,0xDC,0xBA,0x98,
-	0x76,0x54,0x32,0x10,
-
-	0x22,0x55,0x77,0xAA,
-	0xBB,0xDD,0xEE,0xFF,
-	0xEE,0xDD,0xBB,0xAA,
-	0x77,0x66,0x44,0x00,
-
-	0x01,0x23,0x45,0x67,
-	0x89,0xAB,0xCD,0xEF,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-
-	0xFF,0xEE,0xDD,0xCC,
-	0xBB,0xAA,0x99,0x88,
-	0x77,0x66,0x55,0x44,
-	0x33,0x22,0x11,0x00,
-
-	0xFF,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0xFF,0xFF,0x00,0x00,
-
-	0xFF,0xFF,0xFF,0xFF,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-
-	0x00,0x00,0x00,0x00,
-	0x00,0x00,0x00,0x00,
-	0xFF,0xFF,0xFF,0xFF,
-	0xFF,0xFF,0xFF,0xFF,
-
-    0x16,0x13,0xAA,0xB3,
-    0x25,0x81,0xE8,0x2A,
-    0x1B,0xEB,0xF8,0x85,
-    0xE1,0x28,0xFF,0xA4,
-
-    0x34,0x09,0x91,0xA7,
-    0x63,0xB8,0x99,0xA1,
-    0x3F,0xE4,0xD0,0x61,
-    0x66,0x73,0x59,0x7C,
-
-    0x86,0x04,0x2F,0xAC,
-    0x85,0x17,0xD6,0xA1,
-    0x03,0xCF,0x27,0xE4,
-    0xF8,0x27,0x89,0x2C,
-
-    0x30,0x1B,0xD4,0x93,
-    0xD3,0x6E,0x35,0x13,
-    0x53,0x05,0x75,0xB9,
-    0x79,0xCF,0x36,0x00,
-
-    0xD4,0x2C,0xC6,0x4E,
-    0x2C,0x12,0xE2,0x15,
-    0x8B,0xAF,0x3D,0xEF,
-    0x6E,0xF1,0xBF,0xD9,
-
-    0x43,0x17,0x2B,0xF3,
-    0x12,0xC2,0xCB,0x8C,
-    0x3B,0x43,0xF2,0xDF,
-    0x5D,0xF9,0xEF,0x31,
-
-    0x6D,0x46,0xF6,0x7A,
-    0xEE,0x17,0x35,0xF4,
-    0xDA,0xFE,0x7C,0x28,
-    0xB8,0x55,0x12,0x57,
-
-    0xFF,0x82,0xBB,0x85,
-    0xEF,0xD4,0x7C,0xA1,
-    0x05,0xB4,0xFF,0xC1,
-    0x95,0x27,0x30,0x03
-};
+const UBYTE wavData[256] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
+                            0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
+
+                            0x22, 0x55, 0x77, 0xAA, 0xBB, 0xDD, 0xEE, 0xFF,
+                            0xEE, 0xDD, 0xBB, 0xAA, 0x77, 0x66, 0x44, 0x00,
+
+                            0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
+                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+                            0xFF, 0xEE, 0xDD, 0xCC, 0xBB, 0xAA, 0x99, 0x88,
+                            0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00,
+
+                            0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                            0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+
+                            0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                            0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+
+                            0x16, 0x13, 0xAA, 0xB3, 0x25, 0x81, 0xE8, 0x2A,
+                            0x1B, 0xEB, 0xF8, 0x85, 0xE1, 0x28, 0xFF, 0xA4,
+
+                            0x34, 0x09, 0x91, 0xA7, 0x63, 0xB8, 0x99, 0xA1,
+                            0x3F, 0xE4, 0xD0, 0x61, 0x66, 0x73, 0x59, 0x7C,
+
+                            0x86, 0x04, 0x2F, 0xAC, 0x85, 0x17, 0xD6, 0xA1,
+                            0x03, 0xCF, 0x27, 0xE4, 0xF8, 0x27, 0x89, 0x2C,
+
+                            0x30, 0x1B, 0xD4, 0x93, 0xD3, 0x6E, 0x35, 0x13,
+                            0x53, 0x05, 0x75, 0xB9, 0x79, 0xCF, 0x36, 0x00,
+
+                            0xD4, 0x2C, 0xC6, 0x4E, 0x2C, 0x12, 0xE2, 0x15,
+                            0x8B, 0xAF, 0x3D, 0xEF, 0x6E, 0xF1, 0xBF, 0xD9,
+
+                            0x43, 0x17, 0x2B, 0xF3, 0x12, 0xC2, 0xCB, 0x8C,
+                            0x3B, 0x43, 0xF2, 0xDF, 0x5D, 0xF9, 0xEF, 0x31,
+
+                            0x6D, 0x46, 0xF6, 0x7A, 0xEE, 0x17, 0x35, 0xF4,
+                            0xDA, 0xFE, 0x7C, 0x28, 0xB8, 0x55, 0x12, 0x57,
+
+                            0xFF, 0x82, 0xBB, 0x85, 0xEF, 0xD4, 0x7C, 0xA1,
+                            0x05, 0xB4, 0xFF, 0xC1, 0x95, 0x27, 0x30, 0x03};
 
 INT8 pu1Oct;
 INT8 pu2Oct;
@@ -208,266 +185,180 @@ UINT16 counterWav;
 
 BOOLEAN cueWavSweep;
 
-const unsigned char data_barrow[16] =
-{
-  0x00,0x00,0xE7,0xE7,0x7E,0x7E,0x3C,0x3C,
-  0x18,0x18,0x00,0x00,0x00,0x00,0x00,0x00
+const unsigned char data_barrow[16] = {0x00, 0x00, 0xE7, 0xE7, 0x7E, 0x7E,
+                                       0x3C, 0x3C, 0x18, 0x18, 0x00, 0x00,
+                                       0x00, 0x00, 0x00, 0x00};
+
+const unsigned char data_larrow[] = {0xC0, 0xC0, 0xE0, 0xE0, 0x70, 0x70,
+                                     0xE0, 0xE0, 0xC0, 0xC0, 0x00, 0x00,
+                                     0x00, 0x00, 0x00, 0x00};
+
+const unsigned char data_font[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0xFC, 0xFC, 0xC6, 0xC6, 0xE6, 0xE6, 0xD6, 0xD6,
+    0xCE, 0xCE, 0xC6, 0xC6, 0x7E, 0x7E, 0x00, 0x00, 0x38, 0x38, 0x18, 0x18,
+    0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x08, 0x08, 0x00, 0x00,
+    0xFC, 0xFC, 0x06, 0x06, 0x06, 0x06, 0xFE, 0xFE, 0xC0, 0xC0, 0xC0, 0xC0,
+    0x7C, 0x7C, 0x00, 0x00, 0xFC, 0xFC, 0x06, 0x06, 0x06, 0x06, 0x3E, 0x3E,
+    0x06, 0x06, 0x06, 0x06, 0xFC, 0xFC, 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6,
+    0xC6, 0xC6, 0x7E, 0x7E, 0x06, 0x06, 0x06, 0x06, 0x02, 0x02, 0x00, 0x00,
+    0xFE, 0xFE, 0xC0, 0xC0, 0xC0, 0xC0, 0xFE, 0xFE, 0x06, 0x06, 0x06, 0x06,
+    0xFE, 0xFE, 0x00, 0x00, 0x7E, 0x7E, 0xC0, 0xC0, 0xFE, 0xFE, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0xFC, 0xFC, 0x00, 0x00, 0xFE, 0xFE, 0x06, 0x06,
+    0x0E, 0x0E, 0x1C, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x08, 0x08, 0x00, 0x00,
+    0xFC, 0xFC, 0xC6, 0xC6, 0xC6, 0xC6, 0xFE, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6,
+    0x7E, 0x7E, 0x00, 0x00, 0xFC, 0xFC, 0xC6, 0xC6, 0xC6, 0xC6, 0xFE, 0xFE,
+    0x06, 0x06, 0x06, 0x06, 0x0C, 0x0C, 0x00, 0x00, 0x7E, 0x7E, 0xC6, 0xC6,
+    0xFE, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x82, 0x82, 0x00, 0x00,
+    0xFC, 0xFC, 0xC6, 0xC6, 0xFC, 0xFC, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0xFC, 0xFC, 0x00, 0x00, 0x7E, 0x7E, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
+    0xC0, 0xC0, 0xC0, 0xC0, 0x7E, 0x7E, 0x00, 0x00, 0xF8, 0xF8, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xF8, 0xF8, 0x00, 0x00,
+    0x7E, 0x7E, 0xC0, 0xC0, 0xC0, 0xC0, 0xF8, 0xF8, 0xC0, 0xC0, 0xC0, 0xC0,
+    0x7E, 0x7E, 0x00, 0x00, 0x7E, 0x7E, 0xC0, 0xC0, 0xC0, 0xC0, 0xF8, 0xF8,
+    0xC0, 0xC0, 0xC0, 0xC0, 0x40, 0x40, 0x00, 0x00, 0x7C, 0x7C, 0xC0, 0xC0,
+    0xCE, 0xCE, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x7C, 0x00, 0x00,
+    0xC4, 0xC4, 0xC6, 0xC6, 0xFE, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0x46, 0x46, 0x00, 0x00, 0xFE, 0xFE, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
+    0x30, 0x30, 0x30, 0x30, 0xFE, 0xFE, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06,
+    0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0xFC, 0xFC, 0x00, 0x00,
+    0xC6, 0xC6, 0xCC, 0xCC, 0xF8, 0xF8, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0x46, 0x46, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
+    0xC0, 0xC0, 0xC0, 0xC0, 0x7E, 0x7E, 0x00, 0x00, 0xC6, 0xC6, 0xEE, 0xEE,
+    0xD6, 0xD6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x82, 0x82, 0x00, 0x00,
+    0xFC, 0xFC, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0x82, 0x82, 0x00, 0x00, 0x7C, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x7C, 0x00, 0x00, 0x7E, 0x7E, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0xFC, 0xFC, 0xC0, 0xC0, 0x40, 0x40, 0x00, 0x00,
+    0x7E, 0x7E, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7E, 0x7E, 0x06, 0x06,
+    0x06, 0x06, 0x00, 0x00, 0xFE, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0xF8, 0xF8,
+    0xC6, 0xC6, 0xC6, 0xC6, 0x46, 0x46, 0x00, 0x00, 0x7E, 0x7E, 0xC0, 0xC0,
+    0xC0, 0xC0, 0x7C, 0x7C, 0x06, 0x06, 0x06, 0x06, 0xFC, 0xFC, 0x00, 0x00,
+    0xFE, 0xFE, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+    0x08, 0x08, 0x00, 0x00, 0x46, 0x46, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0xFC, 0xFC, 0x00, 0x00, 0x82, 0x82, 0xC6, 0xC6,
+    0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x6C, 0x6C, 0x10, 0x10, 0x00, 0x00,
+    0x82, 0x82, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xD6, 0xD6, 0xEE, 0xEE,
+    0x44, 0x44, 0x00, 0x00, 0xC6, 0xC6, 0xEE, 0xEE, 0x6C, 0x6C, 0x38, 0x38,
+    0x6C, 0x6C, 0xEE, 0xEE, 0xC6, 0xC6, 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6,
+    0xC6, 0xC6, 0x7E, 0x7E, 0x0C, 0x0C, 0x18, 0x18, 0x30, 0x30, 0x00, 0x00,
+    0xFE, 0xFE, 0x0E, 0x0E, 0x1C, 0x1C, 0x38, 0x38, 0x70, 0x70, 0xE0, 0xE0,
+    0xFE, 0xFE, 0x00, 0x00, 0x82, 0x82, 0x44, 0x44, 0x28, 0x28, 0x10, 0x10,
+    0x28, 0x28, 0x44, 0x44, 0x82, 0x82, 0x00, 0x00, 0x00, 0x00, 0x38, 0x38,
+    0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x38, 0x38, 0x00, 0x00, 0x00, 0x00,
+    0x08, 0x08, 0x14, 0x14, 0x22, 0x22, 0x41, 0x41, 0x80, 0x80, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x24, 0x24, 0x24, 0x24, 0x42, 0x42,
+    0x81, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x14, 0x14,
+    0x24, 0x24, 0x44, 0x44, 0x87, 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x03, 0x03, 0x0D, 0x0D, 0x31, 0x31, 0xC1, 0xC1, 0x01, 0x01, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+    0x80, 0x80, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0,
+    0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0xE0, 0xE0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x3F, 0x3F,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0x10, 0x10, 0x10,
+    0x10, 0x10, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFC,
+    0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x90, 0x90, 0x0D, 0x0D, 0x42, 0x42, 0xA9, 0xA9, 0x04, 0x04,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80,
+    0x80, 0x80, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80,
+    0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00,
+    0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0, 0xE0, 0xE0, 0xFF, 0xFF,
+    0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0, 0xE0, 0xE0,
+    0xF0, 0xF0, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0,
+    0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xFC, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00,
+    0x00, 0x00, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xFC, 0xFE, 0xFE, 0xFF, 0xFF,
+    0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFC, 0xFE, 0xFE, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x00, 0x00,
+    0x00, 0x00, 0x3F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x3F, 0x3F, 0x7F, 0x7F,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F,
+    0x3F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFE, 0x00, 0x00,
+    0x00, 0x00, 0x07, 0x07, 0x1F, 0x1F, 0x3F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF,
+    0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x0F, 0x0F, 0x3F, 0x3F,
+    0x7F, 0x7F, 0xFF, 0xFF, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
+    0x03, 0x03, 0x0F, 0x0F, 0x3F, 0x3F, 0xFF, 0xFF, 0xFE, 0xFE, 0x00, 0x00,
+    0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x07, 0x07, 0x1F, 0x1F, 0xFF, 0xFF,
+    0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38,
+    0x6C, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x6C, 0x6C, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x70, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18,
+    0x00, 0x08, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x06, 0x00, 0x06, 0x00, 0xFE,
+    0x00, 0xC0, 0x00, 0xC0, 0x00, 0x7E, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x06,
+    0x00, 0x06, 0x00, 0x3E, 0x00, 0x06, 0x00, 0x06, 0x00, 0xFC, 0x00, 0x00,
+    0x00, 0xC6, 0x00, 0xC6, 0x00, 0xC6, 0x00, 0x7E, 0x00, 0x06, 0x00, 0x06,
+    0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0xF3, 0xF3, 0xAB, 0xAB,
+    0xAB, 0xAB, 0x89, 0x89, 0x04, 0x04, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+    0x00, 0x00, 0xEF, 0xEF, 0x0C, 0x0C, 0x7F, 0x7F, 0x0C, 0x0C, 0xFF, 0xFF,
+    0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0, 0x20, 0x20, 0x90, 0x90,
+    0xD1, 0xD1, 0xD1, 0xD1, 0xD0, 0xD0, 0x90, 0x90, 0x20, 0x20, 0xC0, 0xC0,
+    0x00, 0x00, 0x00, 0x00, 0xB4, 0xB4, 0xF7, 0xF7, 0xE4, 0xE4, 0x44, 0x44,
+    0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0x76, 0x55, 0x55,
+    0x67, 0x67, 0x55, 0x55, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x75, 0x75, 0x45, 0x45, 0x77, 0x77, 0x15, 0x15, 0x31, 0x31, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x77, 0x77, 0x05, 0x05, 0x77, 0x77, 0x05, 0x05,
+    0x77, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x70, 0x50, 0x50,
+    0x50, 0x50, 0x50, 0x50, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18,
+    0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x70, 0x70, 0xF8, 0xF8, 0xF8, 0xF8,
+    0xF8, 0xF8, 0x70, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x50, 0x50, 0x20, 0x20, 0x50, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x00, 0xF0, 0x00, 0xF0, 0x00, 0xF0,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x0F,
+    0x00, 0x0F, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x00, 0xF0,
+    0x00, 0xF0, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x0F, 0x00, 0x0F, 0x00, 0x0F, 0x00, 0x0F, 0x00, 0xFF, 0x00, 0xFF,
+    0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+    0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD8, 0x00, 0x70,
+    0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+const unsigned char versionnumber[10] = {32, 81, 2, 81, 4, 81, 4, 0, 0, 0};
+
+const UBYTE helpdata[10][18] = {
+    {25, 13, 30, 11, 32, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+    {33, 11, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 1, 2},
+    {15, 24, 32, 15, 22, 25, 26, 15, 0, 0, 0, 0, 0, 0, 13, 13, 1, 3},
+    {29, 33, 15, 15, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 1, 4},
+    {26, 12, 0, 28, 11, 24, 17, 15, 0, 0, 0, 0, 0, 0, 13, 13, 1, 5},
+    {29, 31, 29, 30, 11, 19, 24, 0, 0, 0, 0, 0, 0, 0, 13, 13, 7, 5},
+    {26, 11, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 2, 1},
+    {26, 28, 15, 29, 15, 30, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 1, 6},
+    {33, 11, 32, 0, 25, 16, 16, 29, 15, 30, 0, 0, 0, 0, 13, 13, 1, 3},
+    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
 };
 
-const unsigned char data_larrow[] =
-{
-  0xC0,0xC0,0xE0,0xE0,0x70,0x70,0xE0,0xE0,
-  0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00
-};
-
-const unsigned char data_font[] =
-{
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0xFC,0xFC,0xC6,0xC6,0xE6,0xE6,0xD6,0xD6,
-  0xCE,0xCE,0xC6,0xC6,0x7E,0x7E,0x00,0x00,
-  0x38,0x38,0x18,0x18,0x18,0x18,0x18,0x18,
-  0x18,0x18,0x18,0x18,0x08,0x08,0x00,0x00,
-  0xFC,0xFC,0x06,0x06,0x06,0x06,0xFE,0xFE,
-  0xC0,0xC0,0xC0,0xC0,0x7C,0x7C,0x00,0x00,
-  0xFC,0xFC,0x06,0x06,0x06,0x06,0x3E,0x3E,
-  0x06,0x06,0x06,0x06,0xFC,0xFC,0x00,0x00,
-  0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,0x7E,0x7E,
-  0x06,0x06,0x06,0x06,0x02,0x02,0x00,0x00,
-  0xFE,0xFE,0xC0,0xC0,0xC0,0xC0,0xFE,0xFE,
-  0x06,0x06,0x06,0x06,0xFE,0xFE,0x00,0x00,
-  0x7E,0x7E,0xC0,0xC0,0xFE,0xFE,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0xFC,0xFC,0x00,0x00,
-  0xFE,0xFE,0x06,0x06,0x0E,0x0E,0x1C,0x1C,
-  0x18,0x18,0x18,0x18,0x08,0x08,0x00,0x00,
-  0xFC,0xFC,0xC6,0xC6,0xC6,0xC6,0xFE,0xFE,
-  0xC6,0xC6,0xC6,0xC6,0x7E,0x7E,0x00,0x00,
-  0xFC,0xFC,0xC6,0xC6,0xC6,0xC6,0xFE,0xFE,
-  0x06,0x06,0x06,0x06,0x0C,0x0C,0x00,0x00,
-  0x7E,0x7E,0xC6,0xC6,0xFE,0xFE,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x82,0x82,0x00,0x00,
-  0xFC,0xFC,0xC6,0xC6,0xFC,0xFC,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0xFC,0xFC,0x00,0x00,
-  0x7E,0x7E,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,
-  0xC0,0xC0,0xC0,0xC0,0x7E,0x7E,0x00,0x00,
-  0xF8,0xF8,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0xF8,0xF8,0x00,0x00,
-  0x7E,0x7E,0xC0,0xC0,0xC0,0xC0,0xF8,0xF8,
-  0xC0,0xC0,0xC0,0xC0,0x7E,0x7E,0x00,0x00,
-  0x7E,0x7E,0xC0,0xC0,0xC0,0xC0,0xF8,0xF8,
-  0xC0,0xC0,0xC0,0xC0,0x40,0x40,0x00,0x00,
-  0x7C,0x7C,0xC0,0xC0,0xCE,0xCE,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x7C,0x7C,0x00,0x00,
-  0xC4,0xC4,0xC6,0xC6,0xFE,0xFE,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x46,0x46,0x00,0x00,
-  0xFE,0xFE,0x30,0x30,0x30,0x30,0x30,0x30,
-  0x30,0x30,0x30,0x30,0xFE,0xFE,0x00,0x00,
-  0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06,
-  0x06,0x06,0x06,0x06,0xFC,0xFC,0x00,0x00,
-  0xC6,0xC6,0xCC,0xCC,0xF8,0xF8,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x46,0x46,0x00,0x00,
-  0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,
-  0xC0,0xC0,0xC0,0xC0,0x7E,0x7E,0x00,0x00,
-  0xC6,0xC6,0xEE,0xEE,0xD6,0xD6,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x82,0x82,0x00,0x00,
-  0xFC,0xFC,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x82,0x82,0x00,0x00,
-  0x7C,0x7C,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0x7C,0x7C,0x00,0x00,
-  0x7E,0x7E,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xFC,0xFC,0xC0,0xC0,0x40,0x40,0x00,0x00,
-  0x7E,0x7E,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0x7E,0x7E,0x06,0x06,0x06,0x06,0x00,0x00,
-  0xFE,0xFE,0xC6,0xC6,0xC6,0xC6,0xF8,0xF8,
-  0xC6,0xC6,0xC6,0xC6,0x46,0x46,0x00,0x00,
-  0x7E,0x7E,0xC0,0xC0,0xC0,0xC0,0x7C,0x7C,
-  0x06,0x06,0x06,0x06,0xFC,0xFC,0x00,0x00,
-  0xFE,0xFE,0x18,0x18,0x18,0x18,0x18,0x18,
-  0x18,0x18,0x18,0x18,0x08,0x08,0x00,0x00,
-  0x46,0x46,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xC6,0xC6,0xC6,0xC6,0xFC,0xFC,0x00,0x00,
-  0x82,0x82,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xC6,0xC6,0x6C,0x6C,0x10,0x10,0x00,0x00,
-  0x82,0x82,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,
-  0xD6,0xD6,0xEE,0xEE,0x44,0x44,0x00,0x00,
-  0xC6,0xC6,0xEE,0xEE,0x6C,0x6C,0x38,0x38,
-  0x6C,0x6C,0xEE,0xEE,0xC6,0xC6,0x00,0x00,
-  0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,0x7E,0x7E,
-  0x0C,0x0C,0x18,0x18,0x30,0x30,0x00,0x00,
-  0xFE,0xFE,0x0E,0x0E,0x1C,0x1C,0x38,0x38,
-  0x70,0x70,0xE0,0xE0,0xFE,0xFE,0x00,0x00,
-  0x82,0x82,0x44,0x44,0x28,0x28,0x10,0x10,
-  0x28,0x28,0x44,0x44,0x82,0x82,0x00,0x00,
-  0x00,0x00,0x38,0x38,0x7C,0x7C,0x7C,0x7C,
-  0x7C,0x7C,0x38,0x38,0x00,0x00,0x00,0x00,
-  0x08,0x08,0x14,0x14,0x22,0x22,0x41,0x41,
-  0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x18,0x18,0x24,0x24,0x24,0x24,0x42,0x42,
-  0x81,0x81,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x0C,0x0C,0x14,0x14,0x24,0x24,0x44,0x44,
-  0x87,0x87,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x03,0x03,0x0D,0x0D,0x31,0x31,0xC1,0xC1,
-  0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,
-  0x80,0x80,0xFF,0xFF,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xC0,0xC0,0x40,0x40,0x40,0x40,
-  0x40,0x40,0x7F,0x7F,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xE0,0xE0,0x20,0x20,0x20,0x20,
-  0x20,0x20,0x3F,0x3F,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xF0,0xF0,0x10,0x10,0x10,0x10,
-  0x10,0x10,0x1F,0x1F,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xFC,0xFC,0x04,0x04,0x04,0x04,
-  0x04,0x04,0x07,0x07,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x90,0x90,0x0D,0x0D,0x42,0x42,
-  0xA9,0xA9,0x04,0x04,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,
-  0x80,0x80,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,
-  0xC0,0xC0,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0x80,0x80,0x80,0x80,0xC0,0xC0,
-  0xE0,0xE0,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0x80,0x80,0xC0,0xC0,0xE0,0xE0,
-  0xF0,0xF0,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0xC0,0xC0,0xF0,0xF0,0xF8,0xF8,
-  0xFC,0xFC,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0xF0,0xF0,0xF8,0xF8,0xFC,0xFC,
-  0xFE,0xFE,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0xFC,0xFC,0xFE,0xFE,0xFF,0xFF,
-  0xFF,0xFF,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
-  0xFF,0xFF,0xFF,0xFF,0x7F,0x7F,0x00,0x00,
-  0x00,0x00,0x3F,0x3F,0x7F,0x7F,0xFF,0xFF,
-  0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x1F,0x1F,0x3F,0x3F,0x7F,0x7F,
-  0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x0F,0x0F,0x3F,0x3F,0x7F,0x7F,
-  0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x07,0x07,0x1F,0x1F,0x3F,0x3F,
-  0x7F,0x7F,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x03,0x03,0x0F,0x0F,0x3F,0x3F,
-  0x7F,0x7F,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x01,0x01,0x03,0x03,0x0F,0x0F,
-  0x3F,0x3F,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x01,0x01,0x01,0x01,0x07,0x07,
-  0x1F,0x1F,0xFF,0xFF,0xFE,0xFE,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x10,0x10,0x38,0x38,
-  0x6C,0x6C,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x6C,0x6C,0x38,0x38,
-  0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x70,0x00,0x18,0x00,0x18,0x00,0x18,
-  0x00,0x18,0x00,0x18,0x00,0x08,0x00,0x00,
-  0x00,0xFC,0x00,0x06,0x00,0x06,0x00,0xFE,
-  0x00,0xC0,0x00,0xC0,0x00,0x7E,0x00,0x00,
-  0x00,0xFC,0x00,0x06,0x00,0x06,0x00,0x3E,
-  0x00,0x06,0x00,0x06,0x00,0xFC,0x00,0x00,
-  0x00,0xC6,0x00,0xC6,0x00,0xC6,0x00,0x7E,
-  0x00,0x06,0x00,0x06,0x00,0x02,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x03,0x03,0x04,0x04,0x05,0x05,
-  0xF3,0xF3,0xAB,0xAB,0xAB,0xAB,0x89,0x89,
-  0x04,0x04,0x03,0x03,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xFF,0xFF,0x00,0x00,0xEF,0xEF,
-  0x0C,0x0C,0x7F,0x7F,0x0C,0x0C,0xFF,0xFF,
-  0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0xC0,0xC0,0x20,0x20,0x90,0x90,
-  0xD1,0xD1,0xD1,0xD1,0xD0,0xD0,0x90,0x90,
-  0x20,0x20,0xC0,0xC0,0x00,0x00,0x00,0x00,
-  0xB4,0xB4,0xF7,0xF7,0xE4,0xE4,0x44,0x44,
-  0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x76,0x76,0x55,0x55,0x67,0x67,0x55,0x55,
-  0x11,0x11,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x75,0x75,0x45,0x45,0x77,0x77,0x15,0x15,
-  0x31,0x31,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x77,0x77,0x05,0x05,0x77,0x77,0x05,0x05,
-  0x77,0x77,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x70,0x70,0x50,0x50,0x50,0x50,0x50,0x50,
-  0x30,0x30,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,
-  0x00,0x00,0x70,0x70,0xF8,0xF8,0xF8,0xF8,
-  0xF8,0xF8,0x70,0x70,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x50,0x50,0x20,0x20,
-  0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0xF0,0x00,0xF0,0x00,0xF0,0x00,0xF0,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x0F,0x00,0x0F,0x00,0x0F,0x00,0x0F,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0xF0,0x00,0xF0,0x00,0xF0,0x00,0xF0,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x0F,0x00,0x0F,0x00,0x0F,0x00,0x0F,
-  0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-  0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,
-  0x00,0x00,0x00,0x00,0x00,0xD8,0x00,0x70,
-  0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00
-};
-
-const unsigned char versionnumber[10] =
-{
-	32,81,
-	2,81,
-	4,81,
-	4,
-	0,0,0
-};
+const UBYTE helpmap[4][9] = {{0, 1, 2, 3, 4, 5, 6, 9, 7},
+                             {0, 1, 2, 9, 4, 5, 6, 9, 7},
+                             {0, 1, 8, 3, 4, 5, 6, 9, 7},
+                             {0, 9, 2, 9, 9, 5, 6, 9, 7}};
 
-const UBYTE helpdata[10][18] =
-{
-		{25,13,30,11,32,15,0,0,0,0,  0,0,0,0,0,0,0,0},
-		{33,11,32,0,0,0,0,0,0,0,     0,0,0,0,13,13,1,2},
-		{15,24,32,15,22,25,26,15,0,0,0,0,0,0,13,13,1,3},
-		{29,33,15,15,26,0,0,0,0,0,   0,0,0,0,13,13,1,4},
-		{26,12,0,28,11,24,17,15,0,0, 0,0,0,0,13,13,1,5},
-		{29,31,29,30,11,19,24,0,0,0, 0,0,0,0,13,13,7,5},
-		{26,11,24,0,0,0,0,0,0,0,     0,0,0,0,13,13,2,1},
-		{26,28,15,29,15,30,0,0,0,0,  0,0,0,0,13,13,1,6},
-		{33,11,32,0,25,16,16,29,15,30,   0,0,0,0,13,13,1,3},
-		{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
-};
-
-const UBYTE helpmap[4][9] =
-{
-	{0,1,2,3,4,5,6,9,7},
-	{0,1,2,9,4,5,6,9,7},
-	{0,1,8,3,4,5,6,9,7},
-	{0,9,2,9,9,5,6,9,7}
-};
+UBYTE bkg[20] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 
-UBYTE bkg[20] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-
-const UBYTE logo[] =
-{
- 70,72,74, 0, 0, 0, 0, 0,
- 71,73,75,76,77,78,79,80
-};
+const UBYTE logo[] = {70, 72, 74, 0,  0,  0,  0,  0,
+                      71, 73, 75, 76, 77, 78, 79, 80};
 
-const UWORD bgpalette[] =
-{
-	RGB_BLACK , RGB_BLACK, RGB_HAWT, RGB_WHITE
-};
+const UWORD bgpalette[] = {RGB_BLACK, RGB_BLACK, RGB_HAWT, RGB_WHITE};
 
-const UWORD spritepalette[] =
-{
-	RGB_WHITE, RGB_LIGHTGRAY, RGB_LIGHTGRAY, RGB_BLACK,
-	RGB_HAWT, RGB_HAWT, RGB_HAWT, RGB_HAWT
-};
+const UWORD spritepalette[] = {RGB_WHITE, RGB_LIGHTGRAY, RGB_LIGHTGRAY,
+                               RGB_BLACK, RGB_HAWT,      RGB_HAWT,
+                               RGB_HAWT,  RGB_HAWT};
 
 BOOLEAN recallMode;
 
-const UBYTE SCREEN_XO =8;
-const UBYTE SCREEN_YO =16;
-const UBYTE SCREEN_XSPACE =32;
-const UBYTE SCREEN_YSPACE =8;
-const UBYTE SCREEN_PSTARTX =24;
-const UBYTE SCREEN_PSTARTY =41;
+const UBYTE SCREEN_XO = 8;
+const UBYTE SCREEN_YO = 16;
+const UBYTE SCREEN_XSPACE = 32;
+const UBYTE SCREEN_YSPACE = 8;
+const UBYTE SCREEN_PSTARTX = 24;
+const UBYTE SCREEN_PSTARTY = 41;
 
-BOOLEAN cursorEnable[4] = {1,0,0,0};
+BOOLEAN cursorEnable[4] = {1, 0, 0, 0};
 UBYTE cursorColumn;
 UBYTE cursorRow[4];
 UBYTE cursorBigStartX[4];
@@ -480,132 +371,90 @@ BOOLEAN shiftSelect;
 
 BOOLEAN systemIdle = 1;
 
-UBYTE vibratoPosition[4] = {0,0,0,0};
-UBYTE vibratoSpeed[4] = {1,1,1,1};
-UBYTE vibratoDepth[4] = {0,0,0,0};
-BOOLEAN vibratoSlope[4] = {0,0,0,0};
+UBYTE vibratoPosition[4] = {0, 0, 0, 0};
+UBYTE vibratoSpeed[4] = {1, 1, 1, 1};
+UBYTE vibratoDepth[4] = {0, 0, 0, 0};
+BOOLEAN vibratoSlope[4] = {0, 0, 0, 0};
 
 UBYTE dataSetSnap[28];
-UBYTE dataSet[28] =
-{
-	0x02, // 0   Transpose 0 - 6
-	0x00, // 1   Shape 0 - 3
-	0x06, // 2   Envelope 0 - F
-	0x00, // 3   Sweep 0 - F
-	0x02, // 4   PB Range 0 - 12
-	0x00, // 5   Sustain 0 - 1
-	0x03, // 6   Output 0 - 3
-
-	0x02, // 7   Transpose 0 - 6
-	0x00, // 8   Shape 0 - 3
-	0x06, // 9   Envelope 0 - F
-	0x02, // 10  PB Range 0 - 12
-	0x00, // 11  Sustain 0 - 1
-	0x03, // 12  Output 0 - 3
-
-	0x02, // 13  Transpose 0 - 6
-	0x00, // 14  Shape 0 - F
-	0x00, // 15  Offset 0 - F
-	0x00, // 16  Sweep 0 - F
-	0x02, // 17  PB Range 0 - 12
-	0x00, // 18  Sustain 0 - 1
-	0x03, // 19  Output 0 - 3
-
-	0x02, // 20  Transpose 0 - 6
-	0x06, // 21  Env 0 - F
-	0x00, // 22  Sustain 0 - 1
-	0x03, // 23  Output 0 - 3
-
-	0x00, // 24  Save 0
-	0x00, // 25  Save 1
-	0x00, // 26  Save 2
-	0x00, // 27  Save 3
+UBYTE dataSet[28] = {
+    0x02, // 0   Transpose 0 - 6
+    0x00, // 1   Shape 0 - 3
+    0x06, // 2   Envelope 0 - F
+    0x00, // 3   Sweep 0 - F
+    0x02, // 4   PB Range 0 - 12
+    0x00, // 5   Sustain 0 - 1
+    0x03, // 6   Output 0 - 3
+
+    0x02, // 7   Transpose 0 - 6
+    0x00, // 8   Shape 0 - 3
+    0x06, // 9   Envelope 0 - F
+    0x02, // 10  PB Range 0 - 12
+    0x00, // 11  Sustain 0 - 1
+    0x03, // 12  Output 0 - 3
+
+    0x02, // 13  Transpose 0 - 6
+    0x00, // 14  Shape 0 - F
+    0x00, // 15  Offset 0 - F
+    0x00, // 16  Sweep 0 - F
+    0x02, // 17  PB Range 0 - 12
+    0x00, // 18  Sustain 0 - 1
+    0x03, // 19  Output 0 - 3
+
+    0x02, // 20  Transpose 0 - 6
+    0x06, // 21  Env 0 - F
+    0x00, // 22  Sustain 0 - 1
+    0x03, // 23  Output 0 - 3
+
+    0x00, // 24  Save 0
+    0x00, // 25  Save 1
+    0x00, // 26  Save 2
+    0x00, // 27  Save 3
 };
 
 UBYTE currentScreen;
 
 BOOLEAN parameterLock[24];
 
-const UBYTE synthAddress[4][2] =
-{
-	{0,7},
-	{7,13},
-	{13,20},
-	{20,24}
-};
+const UBYTE synthAddress[4][2] = {{0, 7}, {7, 13}, {13, 20}, {20, 24}};
 
-const UBYTE tableCursorLookup[4][9] =
-{
-	{ 0,  1, 2,  3,  4, 5, 6,255,24},
-	{ 7,  8, 9,255, 10,11,12,255,25},
-	{13, 14,15, 16, 17,18,19,255,26},
-	{20,255,21,255,255,22,23,255,27}
-};
+const UBYTE tableCursorLookup[4][9] = {
+    {0, 1, 2, 3, 4, 5, 6, 255, 24},
+    {7, 8, 9, 255, 10, 11, 12, 255, 25},
+    {13, 14, 15, 16, 17, 18, 19, 255, 26},
+    {20, 255, 21, 255, 255, 22, 23, 255, 27}};
 
-const UBYTE tableData[28][3] =
-{
-	{3,5,6},
-	{3,6,4},
-	{3,7,16},
-	{3,8,255},
-	{3,9,49},
-	{3,10,2},
-	{3,11,4},
-
-	{7,5,6},
-	{7,6,4},
-	{7,7,16},
-	{7,9,49},
-	{7,10,2},
-	{7,11,4},
-
-	{11,5,6},
-	{11,6,16},
-	{11,7,32},
-	{11,8,16},
-	{11,9,49},
-	{11,10,2},
-	{11,11,4},
-
-	{15,5,6},
-	{15,7,16},
-	{15,10,2},
-	{15,11,4},
-
-	{3,13,16},
-	{7,13,16},
-	{11,13,16},
-	{15,13,16},
-};
+const UBYTE tableData[28][3] = {
+    {3, 5, 6},   {3, 6, 4},   {3, 7, 16},   {3, 8, 255},
+    {3, 9, 49},  {3, 10, 2},  {3, 11, 4},
 
-const UBYTE octmap[6][2] =
-{
-	{3,65},
-	{2,65},
-	{83,83},
-	{2,64},
-	{3,64},
-	{4,64}
-};
+    {7, 5, 6},   {7, 6, 4},   {7, 7, 16},   {7, 9, 49},
+    {7, 10, 2},  {7, 11, 4},
+
+    {11, 5, 6},  {11, 6, 16}, {11, 7, 32},  {11, 8, 16},
+    {11, 9, 49}, {11, 10, 2}, {11, 11, 4},
+
+    {15, 5, 6},  {15, 7, 16}, {15, 10, 2},  {15, 11, 4},
 
-const UBYTE panmap[4][2] =
-{
-	{37,37},
-	{37,28},
-	{22,37},
-	{22,28},
+    {3, 13, 16}, {7, 13, 16}, {11, 13, 16}, {15, 13, 16},
 };
 
-const UBYTE susmap[2][2] =
-{
-	{83,0},
-	{82,0},
+const UBYTE octmap[6][2] = {{3, 65}, {2, 65}, {83, 83},
+                            {2, 64}, {3, 64}, {4, 64}};
+
+const UBYTE panmap[4][2] = {
+    {37, 37},
+    {37, 28},
+    {22, 37},
+    {22, 28},
 };
 
-const UBYTE markerMapTiles[4][4] =
-{
-	{0x03,0x02,0x00,0x5B},
-	{0x07,0x02,0x00,0x5B},
-	{0x0B,0x02,0x00,0x5B},
-	{0x0F,0x02,0x00,0x5B}
+const UBYTE susmap[2][2] = {
+    {83, 0},
+    {82, 0},
 };
+
+const UBYTE markerMapTiles[4][4] = {{0x03, 0x02, 0x00, 0x5B},
+                                    {0x07, 0x02, 0x00, 0x5B},
+                                    {0x0B, 0x02, 0x00, 0x5B},
+                                    {0x0F, 0x02, 0x00, 0x5B}};
diff --git a/Source/mGBASMFunctions.s b/Source/mGBASMFunctions.s
index 9a167f6..a8ccdb9 100644
--- a/Source/mGBASMFunctions.s
+++ b/Source/mGBASMFunctions.s
@@ -1,50 +1,4 @@
-
-_asmMain::
-	ld	A,#0x01
-	ld	hl,#_systemIdle
-	ld	(hl),A
-	
-	call _asmUpdateMidiBuffer
-	
-	ld	A,#0x01
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	call nz, _getPad
-	ld	A,#0x01
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	call nz, _asmUpdatePu1
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	call nz, _asmUpdatePu2
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	call nz, _asmUpdateWav
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	call nz, _asmUpdateNoi
-	ld	hl,#_systemIdle
-	bit 0,(hl)
-	jr nz,_asmMainScreen
-	
-	jr _asmMain
-ret
-_asmMainScreen::
-	ld	hl,#_currentScreen
-	bit 0,(hl)
-	jr z,_asmMain
-	
-	ld	hl,#_updateDisplaySynthCounter
-	ld	A,(hl)
-	inc A
-	and #0x03
-	ld	(hl),A
-	
-	call _updateDisplaySynth
-	
-	call _setPlayMarker
-	jr _asmMain
-ret
+.module mGBASMFunctions
 
 _asmLoadWav::
 push bc
diff --git a/Source/mGBASMMidiFunctions.s b/Source/mGBASMMidiFunctions.s
index f83b25e..3f82cad 100644
--- a/Source/mGBASMMidiFunctions.s
+++ b/Source/mGBASMMidiFunctions.s
@@ -1,94 +1,16 @@
-
-_asmUpdateMidiBuffer::
-push bc
-	ld	hl,#_serialBufferPosition
-	ld  A, (hl)
-	ld	hl,#_serialBufferReadPosition
-  cp  (hl)
-	jr z,_popReturn$
-
-	inc (hl)
-
-	ld	A,#<_serialBuffer
-    add	A,(hl)
-	ld	E,A
-    ld	A,#>_serialBuffer
-	ld	D,A
-	ld	A,(DE)
-
-	bit	7,A
-	jr nz,_asmUpdateMidiBufferStatus$
-
-	ld	hl,#_capturedAddress
-	bit	0,(hl)
-	jr z,_asmUpdateMidiBufferAddress$
-
-	ld	hl,#_capturedAddress
-	ld (hl),#0x00
-	ld	hl,#_valueByte
-	ld (hl),A
-	ld hl,#_systemIdle
-	ld (hl),#0x00
-
-	ld	hl,#_statusByte
-	ld	A,(hl)
-	ld	B,A
-	SWAP A
-	AND	#0x0F
-
-	cp	#0x0E
-		jr z,_asmEventMidiPB$
-	cp	#0x0B
-		jr z,_asmEventMidiCC$
-	cp	#0x08
-		jr z,_asmEventMidiNoteOff$
-	cp	#0x09
-		jr z,_asmEventMidiNote$
-	cp	#0x0C
-		jp z,_asmEventMidiPC$
-pop	bc
-ret
+.module mGBASMMidiFunctions
 
 _popReturn$::
-pop	bc
 ret
 
-_asmUpdateMidiBufferStatus$::
-	ld	B,A
-	AND	#0xF0
-	cp	#0xF0
-		jr z,_popReturn$
-	ld	A,B
-
-	ld	hl,#_statusByte
-	ld (hl),A
-	ld	hl,#_capturedAddress
-	ld (hl),#0x00
-
-	ld hl,#_systemIdle
-	ld (hl),#0x00
-pop	bc
-ret
-
-_asmUpdateMidiBufferAddress$::
-	ld (hl),#0x01
-	ld	hl,#_addressByte
-	ld (hl),A
-
-	ld hl,#_systemIdle
-	ld (hl),#0x00
-pop	bc
-ret
-
-_asmEventMidiNoteOff$::
+_asmEventMidiNoteOff::
 	ld	hl,#_valueByte
 	ld	(hl),#0x00
-	jr _asmEventMidiNote$
-pop	bc
+	jr _asmEventMidiNote
 ret
 
-_asmEventMidiNote$::
-	ld	A,B
+_asmEventMidiNote::
+	ld  a,(#_statusByte)
 	AND	#0x0F
 	cp	#0x00
 		jp z,_asmPlayNotePu1;
@@ -100,11 +22,10 @@ _asmEventMidiNote$::
 		jp z,_asmPlayNoteNoi$;
 	cp	#0x04
 		jp z,_asmPlayNotePoly$;
-pop	bc
 ret
 
-_asmEventMidiCC$::
-	ld	A,B
+_asmEventMidiCC::
+	ld  a,(#_statusByte)
 	AND	#0x0F
 	cp	#0x00
 		jp z,_asmEventMidiCCPu1$;
@@ -116,11 +37,10 @@ _asmEventMidiCC$::
 		jp z,_asmEventMidiCCNoi$;
 	cp	#0x04
 		jp z,_asmEventMidiCCPoly$;
-pop	bc
 ret
 
-_asmEventMidiPB$::
-	ld	A,B
+_asmEventMidiPB::
+	ld  a,(#_statusByte)
 	AND	#0x0F
 	cp	#0x00
 		jp z,_asmPu1MidiPb$;
@@ -132,11 +52,10 @@ _asmEventMidiPB$::
 		jp z,_asmNoiMidiPb$;
 	cp	#0x04
 		jp z,_asmPolyMidiPb$;
-pop	bc
 ret
 
-_asmEventMidiPC$::
-	ld	A,B
+_asmEventMidiPC::
+	ld  a,(#_statusByte)
 	AND	#0x0F
 	cp	#0x00
 		jp z,_asmPu1Lod$;
@@ -148,7 +67,6 @@ _asmEventMidiPC$::
 		jp z,_asmNoiLod$;
 	cp	#0x04
 		jp z,_asmPolyLod$;
-pop	bc
 ret
 
 ;----------------------------------------------------------------------------------------------------
@@ -173,7 +91,6 @@ _asmPu1MidiPb$::
 
 	ld	de,#_pbWheelIn + 0
     ld	(de),A
-pop	bc
 ret
 
 _asmPu2MidiPb$::
@@ -191,7 +108,6 @@ _asmPu2MidiPb$::
 
 	ld	de,#_pbWheelIn + 1
     ld	(de),A
-pop	bc
 ret
 
 _asmWavMidiPb$::
@@ -209,7 +125,6 @@ _asmWavMidiPb$::
 
 	ld	de,#_pbWheelIn + 2
     ld	(de),A
-pop	bc
 ret
 
 _asmNoiMidiPb$::
@@ -227,7 +142,6 @@ _asmNoiMidiPb$::
 
 	ld	de,#_pbWheelIn + 3
     ld	(de),A
-pop	bc
 ret
 
 _asmPolyMidiPb$::
@@ -249,7 +163,6 @@ _asmPolyMidiPb$::
     ld	(de),A
 	ld	de,#_pbWheelIn + 2
     ld	(de),A
-pop	bc
 ret
 
 
@@ -280,7 +193,6 @@ _asmEventMidiCCPu1$::
 		jp z,_asmPu1Sus$;
 	cp	#0x7B
 		jp z,_asmPu1Nf$;
-pop	bc
 ret
 
 _asmPu1Wav$::
@@ -303,7 +215,6 @@ _asmPu1Wav$::
 	AND #0x03
 	ld	de,#_dataSet + 1
     ld	(de),A
-pop	bc
 ret
 
 
@@ -326,7 +237,6 @@ _asmPu1Env$::
 
 	ld	de,#_dataSet + 2
     ld	(de),A
-pop	bc
 ret
 
 
@@ -343,7 +253,6 @@ _asmPu1Swp$::
 
 	ld	de,#_dataSet + 3
     ld	(de),A
-pop	bc
 ret
 
 
@@ -356,7 +265,6 @@ _asmPu1Pbr$::
 
 	ld	de,#_dataSet + 4
     ld	(de),A
-pop	bc
 ret
 
 
@@ -377,7 +285,6 @@ _asmPu1Lod$::
 	inc	sp
 	call	_updateSynth
     lda	sp,1(sp)
-pop	bc
 ret
 
 
@@ -408,7 +315,6 @@ _asmPu1PanLeft$::
 	and #0xEE
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmPu1PanCenter$::
 	ld	A,#0x03
@@ -420,7 +326,6 @@ _asmPu1PanCenter$::
 	and #0xEE
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmPu1PanRight$::
 	ld	A,#0x01
@@ -432,7 +337,6 @@ _asmPu1PanRight$::
 	and #0xEE
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 
 
@@ -443,7 +347,6 @@ _asmPu1VD$::
 	ld	de,#_vibratoDepth + 0
     ld	(de),A
 
-pop	bc
 ret
 
 
@@ -453,7 +356,6 @@ _asmPu1VR$::
 
 	ld	de,#_vibratoSpeed + 0
     ld	(de),A
-pop	bc
 ret
 
 
@@ -469,7 +371,6 @@ _asmPu1SusOn$::
     ld	(de),A
 	ld	hl,#_pu1Sus
     ld	(hl),A
-pop	bc
 ret
 _asmPu1SusOff$::
 	ld	A,#0x00
@@ -482,12 +383,10 @@ _asmPu1SusOff$::
 	ld	A,(hl)
 	bit 0,A
 	jr z, _asmPu1SusNoteOff$
-pop	bc
 ret
 _asmPu1SusNoteOff$::
 	ld	A,#0x00
 	ld	(#0xFF12),A
-pop	bc
 ret
 
 
@@ -498,7 +397,6 @@ _asmPu1Nf$::
     ld	(hl),A
 	ld	de,#_dataSet + 5
     ld	(de),A
-pop	bc
 ret
 
 
@@ -526,7 +424,6 @@ _asmEventMidiCCPu2$::
 		jp z,_asmPu2Sus$;
 	cp	#0x7B
 		jp z,_asmPu2Nf$;
-pop	bc
 ret
 
 _asmPu2Wav$::
@@ -549,7 +446,6 @@ _asmPu2Wav$::
 	AND #0x03
 	ld	de,#_dataSet + 8
     ld	(de),A
-pop	bc
 ret
 
 
@@ -572,7 +468,6 @@ _asmPu2Env$::
 
 	ld	de,#_dataSet + 9
     ld	(de),A
-pop	bc
 ret
 
 _asmPu2Pbr$::
@@ -584,7 +479,6 @@ _asmPu2Pbr$::
 
 	ld	de,#_dataSet + 10
     ld	(de),A
-pop	bc
 ret
 
 
@@ -605,7 +499,6 @@ _asmPu2Lod$::
 	inc	sp
 	call	_updateSynth
     lda	sp,1(sp)
-pop	bc
 ret
 
 
@@ -636,7 +529,6 @@ _asmPu2PanLeft$::
 	and #0xDD
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmPu2PanCenter$::
 	ld	A,#0x03
@@ -648,7 +540,6 @@ _asmPu2PanCenter$::
 	and #0xDD
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmPu2PanRight$::
 	ld	A,#0x01
@@ -660,7 +551,6 @@ _asmPu2PanRight$::
 	and #0xDD
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 
 
@@ -671,7 +561,6 @@ _asmPu2VD$::
 	ld	de,#_vibratoDepth + 1
     ld	(de),A
 
-pop	bc
 ret
 
 
@@ -681,7 +570,6 @@ _asmPu2VR$::
 
 	ld	de,#_vibratoSpeed + 1
     ld	(de),A
-pop	bc
 ret
 
 
@@ -697,7 +585,6 @@ _asmPu2SusOn$::
     ld	(de),A
 	ld	hl,#_pu2Sus
     ld	(hl),A
-pop	bc
 ret
 _asmPu2SusOff$::
 	ld	A,#0x00
@@ -710,12 +597,10 @@ _asmPu2SusOff$::
 	ld	A,(hl)
 	bit 0,A
 	jr z, _asmPu2SusNoteOff$
-pop	bc
 ret
 _asmPu2SusNoteOff$::
 	ld	A,#0x00
 	ld	(#0xFF17),A
-pop	bc
 ret
 
 
@@ -726,7 +611,6 @@ _asmPu2Nf$::
     ld	(hl),A
 	ld	de,#_dataSet + 11
     ld	(de),A
-pop	bc
 ret
 
 ;----------------------------------------------------------------------------------------------------
@@ -755,7 +639,6 @@ _asmEventMidiCCWav$::
 		jp z,_asmWavSus$;
 	cp	#0x7B
 		jp z,_asmWavNf$;
-pop	bc
 ret
 
 
@@ -780,7 +663,6 @@ _asmWavWav$::
 	ADD A,(hl)
 	ld	hl,#_wavDataOffset
 	ld	(hl),A
-pop	bc
 ret
 
 
@@ -806,7 +688,6 @@ _asmWavOst$::
 
 	ld	hl,#_wavDataOffset
 	ld	(hl),A
-pop	bc
 ret
 
 
@@ -825,7 +706,6 @@ _asmWavSwp$::
 	ld (hl),A
 	ld	de,#_dataSet + 16
     ld	(de),A
-pop	bc
 ret
 
 
@@ -838,7 +718,6 @@ _asmWavPbr$::
 
 	ld	de,#_dataSet + 17
     ld	(de),A
-pop	bc
 ret
 
 
@@ -859,7 +738,6 @@ _asmWavLod$::
 	inc	sp
 	call	_updateSynth
     lda	sp,1(sp)
-pop	bc
 ret
 
 
@@ -890,7 +768,6 @@ _asmWavPanLeft$::
 	and #0xBB
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmWavPanCenter$::
 	ld	A,#0x03
@@ -902,7 +779,6 @@ _asmWavPanCenter$::
 	and #0xBB
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmWavPanRight$::
 	ld	A,#0x01
@@ -914,7 +790,6 @@ _asmWavPanRight$::
 	and #0xBB
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 
 
@@ -925,7 +800,6 @@ _asmWavVD$::
 	ld	de,#_vibratoDepth + 2
     ld	(de),A
 
-pop	bc
 ret
 
 
@@ -935,7 +809,6 @@ _asmWavVR$::
 
 	ld	de,#_vibratoSpeed + 2
     ld	(de),A
-pop	bc
 ret
 
 
@@ -951,7 +824,6 @@ _asmWavSusOn$::
     ld	(de),A
 	ld	hl,#_wavSus
     ld	(hl),A
-pop	bc
 ret
 _asmWavSusOff$::
 	ld	A,#0x00
@@ -964,12 +836,10 @@ _asmWavSusOff$::
 	ld	A,(hl)
 	bit 0,A
 	jr z, _asmWavSusNoteOff$
-pop	bc
 ret
 _asmWavSusNoteOff$::
 	ld	A,#0x00
 	ld	(#0xFF1C),A
-pop	bc
 ret
 
 
@@ -980,7 +850,6 @@ _asmWavNf$::
     ld	(hl),A
 	ld	de,#_dataSet + 11
     ld	(de),A
-pop	bc
 ret
 
 ;----------------------------------------------------------------------------------------------------
@@ -1003,7 +872,6 @@ _asmEventMidiCCNoi$::
 		jp z,_asmNoiSus$;
 	cp	#0x7B
 		jp z,_asmNoiNf$;
-pop	bc
 ret
 
 
@@ -1026,7 +894,6 @@ _asmNoiEnv$::
 
 	ld	de,#_dataSet + 21
     ld	(de),A
-pop	bc
 ret
 
 
@@ -1047,7 +914,6 @@ _asmNoiLod$::
 	inc	sp
 	call	_updateSynth
     lda	sp,1(sp)
-pop	bc
 ret
 
 
@@ -1078,7 +944,6 @@ _asmNoiPanLeft$::
 	and #0x77
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmNoiPanCenter$::
 	ld	A,#0x03
@@ -1090,7 +955,6 @@ _asmNoiPanCenter$::
 	and #0x77
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 _asmNoiPanRight$::
 	ld	A,#0x01
@@ -1102,7 +966,6 @@ _asmNoiPanRight$::
 	and #0x77
 	or	B
 	ld (#0xFF25),A
-pop	bc
 ret
 
 
@@ -1113,7 +976,6 @@ _asmNoiVD$::
 	ld	de,#_vibratoDepth + 3
     ld	(de),A
 
-pop	bc
 ret
 
 
@@ -1123,7 +985,6 @@ _asmNoiVR$::
 
 	ld	de,#_vibratoSpeed + 3
     ld	(de),A
-pop	bc
 ret
 
 
@@ -1139,7 +1000,6 @@ _asmNoiSusOn$::
     ld	(de),A
 	ld	hl,#_noiSus
     ld	(hl),A
-pop	bc
 ret
 _asmNoiSusOff$::
 	ld	A,#0x00
@@ -1152,12 +1012,10 @@ _asmNoiSusOff$::
 	ld	A,(hl)
 	bit 0,A
 	jr z, _asmNoiSusNoteOff$
-pop	bc
 ret
 _asmNoiSusNoteOff$::
 	ld	A,#0x00
 	ld	(#0xFF21),A
-pop	bc
 ret
 
 
@@ -1168,7 +1026,6 @@ _asmNoiNf$::
     ld	(hl),A
 	ld	de,#_dataSet + 22
     ld	(de),A
-pop	bc
 ret
 
 ;----------------------------------------------------------------------------------------------------
@@ -1190,51 +1047,39 @@ _asmEventMidiCCPoly$::
 		jr z,_asmPolySus$;
 	cp	#0x7B
 		jr z,_asmPolyNf$;
-pop	bc
 ret
 
 _asmPolyWav$::
 	call _asmPu1Wav$;
-push	bc
 	call _asmPu2Wav$;
-push	bc
 	call _asmWavWav$;
 ret
 
 _asmPolyEnv$::
 	call _asmPu1Env$;
-push	bc
 	call _asmPu2Env$;
 ret
 
 _asmPolyLod$::
 	call _asmPu1Lod$;
-push	bc
 	call _asmPu2Lod$;
-push	bc
 	call _asmWavLod$;
 ret
 
 _asmPolyPan$::
 	call _asmPu1Pan$;
-push	bc
 	call _asmPu2Pan$;
-push	bc
 	call _asmWavPan$;
 ret
 
 _asmPolySus$::
 	call _asmPu1Sus$;
-push	bc
 	call _asmPu2Sus$;
-push	bc
 	call _asmWavSus$;
 ret
 
 _asmPolyNf$::
 	call _asmPu1Nf$;
-push	bc
 	call _asmPu2Nf$;
-push	bc
 	call _asmWavNf$;
 ret
diff --git a/Source/mGBASMSynthFunctions.s b/Source/mGBASMSynthFunctions.s
index 364bbb7..54a1e55 100644
--- a/Source/mGBASMSynthFunctions.s
+++ b/Source/mGBASMSynthFunctions.s
@@ -1,5 +1,6 @@
+.module mGBASMSynthFunctions
+
 _asmUpdatePu1::
-push bc
 	ld	hl, #_pu1NoteOffTrigger
 	ld	A,(hl)
 	bit 0,A
@@ -14,14 +15,12 @@ push bc
 	ld	A,(hl)
 	bit 0,A
 	jr nz, _asmUpdatePu1PbWheelReset$
-pop bc
 ret
 
 _asmUpdatePu1Noff$::
 	ld	A,#0x00
 	ld (#0xFF12),A
 	ld (hl),A
-pop bc
 ret
 
 _asmUpdatePu1PbWheel$::
@@ -32,7 +31,6 @@ _asmUpdatePu1PbWheel$::
 	ld	A, #0x01
 	ld	hl, #_pbWheelActive + 0
 	ld	(hl), A
-pop bc
 ret
 _asmUpdatePu1PbWheelSet$::
 	ld	(hl), A
@@ -46,7 +44,6 @@ _asmUpdatePu1PbWheelSet$::
   inc	sp
   call	_setPitchBendFrequencyOffset
   inc	sp
-pop bc
 ret
 
 _asmUpdatePu1PbWheelReset$::
@@ -77,7 +74,6 @@ _asmUpdatePu1PbWheelReset$::
 	ld  A,(DE)
 	ld	(hl), A
 	ld	(#0xFF14),A
-pop bc
 ret
 
 ;--------------------------------------------------------------
@@ -85,7 +81,6 @@ ret
 ;--------------------------------------------------------------
 
 _asmUpdatePu2::
-push bc
 	ld	hl, #_pu2NoteOffTrigger
 	ld	A,(hl)
 	bit 0,A
@@ -100,14 +95,12 @@ push bc
 	ld	A,(hl)
 	bit 0,A
 	jr nz, _asmUpdatePu2PbWheelReset$
-pop bc
 ret
 
 _asmUpdatePu2Noff$::
 	ld	A,#0x00
 	ld (#0xFF17),A
 	ld (hl),A
-pop bc
 ret
 
 _asmUpdatePu2PbWheel$::
@@ -118,7 +111,6 @@ _asmUpdatePu2PbWheel$::
 	ld	A, #0x01
 	ld	hl, #_pbWheelActive + 1
 	ld	(hl), A
-pop bc
 ret
 _asmUpdatePu2PbWheelSet$::
 	ld	(hl), A
@@ -132,7 +124,6 @@ _asmUpdatePu2PbWheelSet$::
   inc	sp
   call	_setPitchBendFrequencyOffset
   inc	sp
-pop bc
 ret
 
 _asmUpdatePu2PbWheelReset$::
@@ -164,7 +155,6 @@ _asmUpdatePu2PbWheelReset$::
 	ld  A,(DE)
 	ld	(hl), A
 	ld	(#0xFF19),A
-pop bc
 ret
 
 ;--------------------------------------------------------------
@@ -172,7 +162,6 @@ ret
 ;--------------------------------------------------------------
 
 _asmUpdateWav::
-push bc
 	ld	hl, #_wavNoteOffTrigger
 	ld	A,(hl)
 	bit 0,A
@@ -195,14 +184,12 @@ push bc
 	bit 0,A
 	jr nz, _asmUpdateWavPbWheelReset$
 
-pop bc
 ret
 
 _asmUpdateWavNoff$::
 	ld	A,#0x00
 	ld (#0xFF1C),A
 	ld (hl),A
-pop bc
 ret
 
 
@@ -217,7 +204,6 @@ _asmUpdateWavData$::
 	ld	A, #0x80
 	ld	hl, #_pbWheelInLast + 2
 	ld	(hl), A
-pop bc
 ret
 
 _asmUpdateWavPbWheel$::
@@ -228,7 +214,6 @@ _asmUpdateWavPbWheel$::
 	ld	A, #0x01
 	ld	hl, #_pbWheelActive + 2
 	ld	(hl), A
-pop bc
 ret
 _asmUpdateWavPbWheelSet$::
 	ld	(hl), A
@@ -242,7 +227,6 @@ _asmUpdateWavPbWheelSet$::
   inc	sp
   call	_setPitchBendFrequencyOffset
   inc	sp
-pop bc
 ret
 
 _asmUpdateWavPbWheelReset$::
@@ -286,7 +270,6 @@ _asmUpdateWavPbWheelReset$::
 
 	and  #0x7F
 	ld	(#0xFF1E),A
-pop bc
 ret
 
 ;--------------------------------------------------------------
@@ -294,7 +277,6 @@ ret
 ;--------------------------------------------------------------
 
 _asmUpdateNoi::
-push bc
 	ld	hl, #_pbWheelIn + 3
 	ld	A,(hl)
 	cp #0x80
@@ -304,7 +286,6 @@ push bc
 	ld	A,(hl)
 	bit 0,A
 	jr nz, _asmUpdateNoiPbWheelReset$
-pop bc
 ret
 
 _asmUpdateNoiPbWheel$::
@@ -315,7 +296,6 @@ _asmUpdateNoiPbWheel$::
 	ld	A, #0x01
 	ld	hl, #_pbWheelActive + 3
 	ld	(hl), A
-pop bc
 ret
 _asmUpdateNoiPbWheelSet$::
 	ld	(hl), A
@@ -325,7 +305,6 @@ _asmUpdateNoiPbWheelSet$::
 	ld	(hl), A
 
   call	_setPitchBendFrequencyOffsetNoise
-pop bc
 ret
 
 _asmUpdateNoiPbWheelReset$::
@@ -354,7 +333,6 @@ _asmUpdateNoiPbWheelReset$::
 	ld	(#0xFF20),A
 	;ld  A,#0x80
 	;ld	(#0xFF23),A
-pop bc
 ret
 
 ;--------------------------------------------------------------
@@ -418,7 +396,6 @@ _asmPlayNotePu1OnSetOff$::
 	ld	(hl),A
 
 	jr	_asmPlayNotePu1On$
-pop bc
 ret
 
 
@@ -473,7 +450,6 @@ _asmPlayNotePu1On$::
 	ld	A,#0x00
 	ld	hl, #_pu1NoteOffTrigger
 	ld	(hl),A
-pop bc
 ret
 
 _asmPlayNotePu1Off$::
@@ -497,11 +473,9 @@ _asmPlayNotePu1Off$::
 
 	;ld	A,#0x00
 	;ld (#0xFF12),A
-pop bc
 ret
 
 _asmPlayNoteOffPu1Return$::
-pop bc
 ret
 
 ;--------------------------------------------------------------
@@ -559,7 +533,6 @@ _asmPlayNotePu2OnSetOff$::
 	ld	(hl),A
 
 	jr	_asmPlayNotePu2On$
-pop bc
 ret
 
 _asmPlayNotePu2On$::
@@ -612,7 +585,6 @@ _asmPlayNotePu2On$::
 	ld	A,#0x00
 	ld	hl, #_pu2NoteOffTrigger
 	ld	(hl),A
-pop bc
 ret
 
 _asmPlayNotePu2Off$::
@@ -636,7 +608,6 @@ _asmPlayNotePu2Off$::
 
 	;ld	A,#0x00
 	;ld (#0xFF17),A
-pop bc
 ret
 
 
@@ -659,7 +630,6 @@ _asmPlayNoteWav$::
 	cp #0x00
 	jr	nz,_asmPlayNoteWavOn$
 	jp	_asmPlayNoteWavOff$
-pop bc
 ret
 
 _asmPlayNoteWavOn$::
@@ -673,19 +643,16 @@ _asmPlayNoteWavOn$::
 	ld	A,#0x60
 	ld (#0xFF1C),A
 	jr _asmPlayNoteWavSet$
-pop bc
 ret
 _asmPlayNoteWavVolF$::
 	ld	A,#0x20
 	ld (#0xFF1C),A
 	jr _asmPlayNoteWavSet$
-pop bc
 ret
 _asmPlayNoteWavVolM$::
 	ld	A,#0x40
 	ld (#0xFF1C),A
 	jr _asmPlayNoteWavSet$
-pop bc
 ret
 
 _asmPlayNoteWavSet$::
@@ -755,7 +722,6 @@ _asmPlayNoteWavSet$::
 	ld	A,#0x00
 	ld	hl, #_wavNoteOffTrigger
 	ld	(hl),A
-pop bc
 ret
 
 
@@ -782,7 +748,6 @@ _asmPlayNoteWavOff$::
 
 	;ld	A,#0x00
 	;ld (#0xFF1C),A
-pop bc
 ret
 
 
@@ -804,7 +769,6 @@ _asmPlayNoteNoi$::
 	cp #0x00
 	jr	nz,_asmPlayNoteNoiOn$
 	jr	_asmPlayNoteNoiOff$
-pop bc
 ret
 
 _asmPlayNoteNoiOn$::
@@ -845,7 +809,6 @@ _asmPlayNoteNoiOn$::
 	ld  A,#0x01
 	ld	hl, #_noteStatus + 6
 	ld	(hl),A
-pop bc
 ret
 
 _asmPlayNoteNoiOff$::
@@ -865,7 +828,6 @@ _asmPlayNoteNoiOff$::
 
 	ld	A,#0x00
 	ld (#0xFF21),A
-pop bc
 ret
 
 
@@ -889,7 +851,6 @@ _asmPlayNotePoly$::
 	cp #0x00
 	jr	nz,_asmPlayNotePolyOn$
 	jr	_asmPlayNotePolyOff$
-pop bc
 ret
 _asmPlayNotePolyOff$::
 	ld	hl,#_polyNoteState + 0
@@ -912,20 +873,19 @@ _asmPlayNotePolyOff$::
 	ld	A,(hl)
 	cp	B
 	call z,_asmPlayNotePolyWavOff$;
-pop bc
 ret
 
 _asmPlayNotePolyPu1Off$::
 	call _asmPlayNotePu1
-	push bc
+
 ret
 _asmPlayNotePolyPu2Off$::
 	call _asmPlayNotePu2$
-	push bc
+
 ret
 _asmPlayNotePolyWavOff$::
 	call _asmPlayNoteWav$
-	push bc
+
 ret
 
 _asmPlayNotePolyOn$::
@@ -935,12 +895,10 @@ _asmPlayNotePolyOn$::
 	cp	#0x03
 	jr	z,_asmPlayNotePolyRst$
 	jr	_asmPlayNotePolyCon$
-pop bc
 ret
 _asmPlayNotePolyRst$::
 	ld	A, #0x00
 	jr	_asmPlayNotePolyCon$
-pop bc
 ret
 _asmPlayNotePolyCon$::
 	ld	(hl),A
@@ -952,18 +910,15 @@ _asmPlayNotePolyCon$::
 	ld	hl,#_polyNoteState + 2
 	ld	(hl),B
 	jp	_asmPlayNoteWav$;
-pop bc
 ret
 _asmPlayNotePolyPu1$::
 	ld	hl,#_polyNoteState + 0
 	ld	(hl),B
 	jp	_asmPlayNotePu1;
 
-pop bc
 ret
 _asmPlayNotePolyPu2$::
 	ld	hl,#_polyNoteState + 1
 	ld	(hl),B
 	jp	_asmPlayNotePu2$;
-pop bc
 ret
diff --git a/Source/mGBDisplayFunctions.c b/Source/mGBDisplayFunctions.c
index 17b99d1..4e6fd3e 100644
--- a/Source/mGBDisplayFunctions.c
+++ b/Source/mGBDisplayFunctions.c
@@ -1,9 +1,11 @@
-void printversion()
+#include "mGB.h"
+
+void printversion(void)
 {
 	set_bkg_tiles(1,16,10,1,versionnumber);
 }
 
-void printhelp()
+void printhelp(void)
 {
 	j=helpmap[cursorColumn][cursorRowMain];
 	set_bkg_tiles(1,16,18,1,helpdata[j]);
@@ -86,7 +88,7 @@ void updateDisplayValue(UBYTE p,UBYTE v)
 	}
 }
 
-void updateDisplaySynth()
+void updateDisplaySynth(void)
 {
   //printbyte(serialBufferPosition,serialBufferReadPosition,serialBuffer[serialBufferPosition]);
 	for(i=0;i!=0x09U;i++) {
@@ -96,7 +98,7 @@ void updateDisplaySynth()
 	}
 }
 
-void updateDisplay()
+void updateDisplay(void)
 {
   UBYTE x=0;
 	for(j=0;j!=0x04U;j++) {
@@ -110,7 +112,7 @@ void updateDisplay()
 	}
 }
 
-void setCursor()
+void setCursor(void)
 {
 	if(cursorColumnLast != cursorColumn) {
 		if(cursorColumn>0xF0U) cursorColumn=0x03U;
@@ -150,7 +152,7 @@ void setCursor()
 	printhelp();
 }
 
-void hideCursor()
+void hideCursor(void)
 {
 	for(j=0;j!=4;j++) {
 		move_sprite(j+SPRITE_ARRL_START,0, 0);
@@ -158,12 +160,12 @@ void hideCursor()
 	move_sprite(SPRITE_ARRT_START, 0, 0);
 }
 
-void showCursor()
+void showCursor(void)
 {
 	setCursor();
 }
 
-void setPlayMarker()
+void setPlayMarker(void)
 {
 	for(j=0;j!=4;j++) {
 		if(!j) {
@@ -179,7 +181,7 @@ void setPlayMarker()
 	}
 }
 
-void cls()
+void cls(void)
 {
 	for(j=0;j!=20;j++) bkg[j]= 0x00U;
 	for(j=0;j!=18;j++) {
@@ -187,14 +189,7 @@ void cls()
 	}
 }
 
-void showSampleScreen()
-{
-	hideCursor();
-	cls();
-	currentScreen = 1;
-}
-
-void showMainScreen()
+void showMainScreen(void)
 {
 	cls();
 	currentScreen = 1;
@@ -212,14 +207,14 @@ void showMainScreen()
     showCursor();
 }
 
-void showSplashScreen()
+void showSplashScreen(void)
 {
     hideCursor();
 	cls();
 	set_bkg_tiles(6,7,8,2,logo);
 }
 
-void toggleScreen()
+void toggleScreen(void)
 {
 	if(currentScreen == 0) {
 		DISPLAY_ON;
@@ -230,7 +225,7 @@ void toggleScreen()
 	}
 }
 
-void displaySetup()
+void displaySetup(void)
 {
 	DISPLAY_OFF;
 	set_bkg_palette( 0, 1, &bgpalette[0] );
diff --git a/Source/mGBMemoryFunctions.c b/Source/mGBMemoryFunctions.c
index 4cb40c2..7befe69 100644
--- a/Source/mGBMemoryFunctions.c
+++ b/Source/mGBMemoryFunctions.c
@@ -1,3 +1,4 @@
+#include "mGB.h"
 
 void saveDataSet(UBYTE synth)
 {
@@ -69,7 +70,7 @@ void loadDataSet(UBYTE synth)
 	DISABLE_RAM_MBC1;
 }
 
-void snapRecall()
+void snapRecall(void)
 {
 	if(cursorRowMain == 0x08U) {
 		for(l=0;l<4;l++) {
@@ -92,7 +93,7 @@ void snapRecall()
 	}
 }
 
-void checkMemory()
+void checkMemory(void)
 {
 	ENABLE_RAM_MBC1;
 	if(saveData[512] != 0xF7) {
diff --git a/Source/mGBMidiFunctions.c b/Source/mGBMidiFunctions.c
new file mode 100644
index 0000000..aa81893
--- /dev/null
+++ b/Source/mGBMidiFunctions.c
@@ -0,0 +1,64 @@
+#include "mGB.h"
+
+#define MIDI_STATUS_BIT 0x80
+#define MIDI_STATUS_NOTE_ON 0x09
+#define MIDI_STATUS_NOTE_OFF 0x08
+#define MIDI_STATUS_AT 0x0A
+#define MIDI_STATUS_CC 0x0B
+#define MIDI_STATUS_PC 0x0C
+#define MIDI_STATUS_AT_MONO 0x0D
+#define MIDI_STATUS_PB 0x0E
+
+#define MIDI_STATUS_SYSTEM 0xF0
+
+void updateMidiBuffer(void) {
+  if (serialBufferReadPosition == serialBufferPosition) {
+    return;
+  }
+
+  serialBufferReadPosition++; // unsigned overflow from 255 -> 0 is automatic.
+
+  UBYTE byte = serialBuffer[serialBufferReadPosition];
+
+  // STATUS BYTE
+  if (byte & MIDI_STATUS_BIT) {
+    if ((byte & MIDI_STATUS_SYSTEM) == MIDI_STATUS_SYSTEM) {
+      return;
+    }
+    statusByte = byte;
+    capturedAddress = 0;
+    systemIdle = 0;
+    return;
+  }
+
+  // 2ND BYTE (note/CC control)
+  if (!capturedAddress) {
+    capturedAddress = 1;
+    addressByte = byte;
+    systemIdle = 0;
+    return;
+  }
+
+  // 3RD BYTE (velocity/value)
+  capturedAddress = 0;
+  valueByte = byte;
+  systemIdle = 0;
+
+  switch ((statusByte >> 4) & 0x0F) {
+  case MIDI_STATUS_PB:
+    asmEventMidiPB();
+    break;
+  case MIDI_STATUS_CC:
+    asmEventMidiCC();
+    break;
+  case MIDI_STATUS_NOTE_ON:
+    asmEventMidiNote();
+    break;
+  case MIDI_STATUS_NOTE_OFF:
+    asmEventMidiNoteOff();
+    break;
+  case MIDI_STATUS_PC:
+    asmEventMidiPC();
+    break;
+  }
+}
\ No newline at end of file
diff --git a/Source/mGBSynthCommonFunctions.c b/Source/mGBSynthCommonFunctions.c
index 4eb322a..573f2cb 100644
--- a/Source/mGBSynthCommonFunctions.c
+++ b/Source/mGBSynthCommonFunctions.c
@@ -1,7 +1,8 @@
+#include "mGB.h"
 
 UBYTE wavStepCounter;
 
-void setOutputSwitch()
+void setOutputSwitch(void)
 {
 	NR51_REG = outputSwitch[0]+outputSwitch[1]+outputSwitch[2]+outputSwitch[3];
 }
@@ -139,7 +140,7 @@ void updateSynth(UBYTE synth)
 }
 
 
-void updateSynths()
+void updateSynths(void)
 {
 	enable_interrupts();
 
diff --git a/Source/mGBSynthPitchFunctions.c b/Source/mGBSynthPitchFunctions.c
index 59ec0d6..7f724ae 100644
--- a/Source/mGBSynthPitchFunctions.c
+++ b/Source/mGBSynthPitchFunctions.c
@@ -1,3 +1,5 @@
+#include "mGB.h"
+
 void setPitchBendFrequencyOffset(UBYTE synth)
 {
   UWORD freqRange;
@@ -37,7 +39,7 @@ void setPitchBendFrequencyOffset(UBYTE synth)
 	}
 }
 
-void setPitchBendFrequencyOffsetNoise()
+void setPitchBendFrequencyOffsetNoise(void)
 {
   systemIdle = 0;
   if(pbWheelIn[NOI] & 0x80) {
diff --git a/Source/mGBUserFunctions.c b/Source/mGBUserFunctions.c
index 8f02d84..4220fb9 100644
--- a/Source/mGBUserFunctions.c
+++ b/Source/mGBUserFunctions.c
@@ -1,10 +1,11 @@
+#include "mGB.h"
 
-void clearParameterLocks()
+void clearParameterLocks(void)
 {
 	for(j=0;j!=24;j++) parameterLock[j] = 0;
 }
 
-void setDataValue()
+void setDataValue(void)
 {
 	BOOLEAN up=0;
 	UBYTE inc=1;
@@ -69,7 +70,7 @@ void setDataValue()
 }
 
 
-void getPad()
+void getPad(void)
 {
 	i = joypad();
 	if(i != lastPadRead) {
diff --git a/Source/make_mgb.bat b/Source/make_mgb.bat
deleted file mode 100644
index 428f203..0000000
--- a/Source/make_mgb.bat
+++ /dev/null
@@ -1,6 +0,0 @@
-REM YUR MOM LIKES TEH TACO
-
-..\..\gbdk\bin\lcc.exe -IZ:\Projects\mGB -Wa-l -Wl-m -Wl-j -DUSE_SFR_FOR_REG -c -o mGB.o mGB.c
-
-..\..\gbdk\bin\lcc.exe -Wl-m -Wl-yt2 -Wl-yo4 -Wl-ya4 -Wl-yp0x143=0x80 -o mGB.gb mGB.o mgb_save.o mGBASMFunctions.s mGBASMSynthFunctions.s mGBASMMidiFunctions.s
-
diff --git a/Source/make_mgb_save.bat b/Source/make_mgb_save.bat
deleted file mode 100644
index df6e0ac..0000000
--- a/Source/make_mgb_save.bat
+++ /dev/null
@@ -1 +0,0 @@
-..\..\gbdk\bin\lcc.exe -Wa-l -Wf-ba0 -c -o mgb_save.o mgb_save.c
diff --git a/Source/mgb_save.c b/Source/mgb_save.c
deleted file mode 100644
index 495dbb8..0000000
--- a/Source/mgb_save.c
+++ /dev/null
@@ -1,3 +0,0 @@
-#include <types.h>
-
-UBYTE saveData[513];
diff --git a/Source/serial.c b/Source/serial.c
new file mode 100644
index 0000000..e628fba
--- /dev/null
+++ b/Source/serial.c
@@ -0,0 +1,12 @@
+#include "mGB.h"
+#include <gb/isr.h>
+
+void serial_isr(void) CRITICAL INTERRUPT {
+  serialBufferPosition++; // unsigned overflow from 255 -> 0 is automatic.
+  serialBuffer[serialBufferPosition] = rSB;
+
+  // queue another read
+  rSC = SIOF_XFER_START | SIOF_CLOCK_EXT;
+}
+
+ISR_VECTOR(VECTOR_SERIAL, serial_isr)
\ No newline at end of file
diff --git a/gbdk-n b/gbdk-n
deleted file mode 160000
index 4c3abca..0000000
--- a/gbdk-n
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4c3abca0e2c75ae714bbd8efa01da2bd258dabd8