diff --git a/ocanada.xcodeproj/project.pbxproj b/ocanada.xcodeproj/project.pbxproj
index d7bf55b..b803305 100644
--- a/ocanada.xcodeproj/project.pbxproj
+++ b/ocanada.xcodeproj/project.pbxproj
@@ -17,6 +17,15 @@
 		9D1A7CBB1F085D7F00669D60 /* prodos_template.dsk */ = {isa = PBXFileReference; lastKnownFileType = file; name = prodos_template.dsk; path = make/prodos_template.dsk; sourceTree = "<group>"; };
 		9D1A7CBC1F085D7F00669D60 /* tail.mk */ = {isa = PBXFileReference; lastKnownFileType = text; name = tail.mk; path = make/tail.mk; sourceTree = "<group>"; };
 		9D1A7CBD1F085D7F00669D60 /* V2Make.scpt */ = {isa = PBXFileReference; lastKnownFileType = file; name = V2Make.scpt; path = make/V2Make.scpt; sourceTree = "<group>"; };
+		9D1A7CC31F085DA800669D60 /* flag.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = flag.c; sourceTree = "<group>"; };
+		9D1A7CC41F085DA800669D60 /* flag.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = flag.h; sourceTree = "<group>"; };
+		9D1A7CC51F085DA800669D60 /* song.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = song.c; sourceTree = "<group>"; };
+		9D1A7CC61F085DA800669D60 /* song.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = song.h; sourceTree = "<group>"; };
+		9D1A7CC71F085DA800669D60 /* mockingboard_speech.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = mockingboard_speech.h; sourceTree = "<group>"; };
+		9D1A7CC81F085DA800669D60 /* mockingboard_speech.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = mockingboard_speech.s; sourceTree = "<group>"; };
+		9D1A7CC91F085DA800669D60 /* mockingboard.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = mockingboard.c; sourceTree = "<group>"; };
+		9D1A7CCA1F085DA800669D60 /* mockingboard.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = mockingboard.h; sourceTree = "<group>"; };
+		9D1A7CCB1F085DA800669D60 /* a2.lo.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = a2.lo.s; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXGroup section */
@@ -32,6 +41,15 @@
 			children = (
 				9D1A7CB31F085D7F00669D60 /* main.c */,
 				9D1A7CB41F085D7F00669D60 /* Makefile */,
+				9D1A7CC31F085DA800669D60 /* flag.c */,
+				9D1A7CC41F085DA800669D60 /* flag.h */,
+				9D1A7CC51F085DA800669D60 /* song.c */,
+				9D1A7CC61F085DA800669D60 /* song.h */,
+				9D1A7CC71F085DA800669D60 /* mockingboard_speech.h */,
+				9D1A7CC81F085DA800669D60 /* mockingboard_speech.s */,
+				9D1A7CC91F085DA800669D60 /* mockingboard.c */,
+				9D1A7CCA1F085DA800669D60 /* mockingboard.h */,
+				9D1A7CCB1F085DA800669D60 /* a2.lo.s */,
 				9D1A7CB51F085D7F00669D60 /* make */,
 			);
 			path = ocanada;
diff --git a/ocanada.xcodeproj/xcuserdata/jrand.xcuserdatad/xcschemes/ocanada.xcscheme b/ocanada.xcodeproj/xcuserdata/jrand.xcuserdatad/xcschemes/ocanada.xcscheme
index 015fcc0..c14c961 100644
--- a/ocanada.xcodeproj/xcuserdata/jrand.xcuserdatad/xcschemes/ocanada.xcscheme
+++ b/ocanada.xcodeproj/xcuserdata/jrand.xcuserdatad/xcschemes/ocanada.xcscheme
@@ -5,6 +5,22 @@
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "9D1A7CB11F085D7F00669D60"
+               BuildableName = "ocanada"
+               BlueprintName = "ocanada"
+               ReferencedContainer = "container:ocanada.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
    </BuildAction>
    <TestAction
       buildConfiguration = "Debug"
@@ -26,6 +42,15 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "9D1A7CB11F085D7F00669D60"
+            BuildableName = "ocanada"
+            BlueprintName = "ocanada"
+            ReferencedContainer = "container:ocanada.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </LaunchAction>
@@ -35,6 +60,15 @@
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
       debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "9D1A7CB11F085D7F00669D60"
+            BuildableName = "ocanada"
+            BlueprintName = "ocanada"
+            ReferencedContainer = "container:ocanada.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
    </ProfileAction>
    <AnalyzeAction
       buildConfiguration = "Debug">
diff --git a/ocanada/Makefile b/ocanada/Makefile
index b44eee5..d4ae139 100644
--- a/ocanada/Makefile
+++ b/ocanada/Makefile
@@ -25,7 +25,7 @@ PGM=ocanada
 # Uncomment the one you want below (the first one is the default):
 #    MACHINE = apple2
 #    MACHINE = apple2-dos33
-#    MACHINE = apple2-system
+MACHINE = apple2-system
 #    MACHINE = apple2-loader
 #    MACHINE = apple2-reboot
 #    MACHINE = apple2enh
diff --git a/ocanada/a2.lo.s b/ocanada/a2.lo.s
new file mode 100644
index 0000000..8d2e4a0
--- /dev/null
+++ b/ocanada/a2.lo.s
@@ -0,0 +1,930 @@
+;
+; File generated by co65 v 2.13.3 using model `cc65-module'
+;
+.fopt		compiler,"co65 v 2.13.3"
+.case		on
+.debuginfo	off
+.export		_a2_lo
+
+;
+; CODE SEGMENT
+;
+.segment	"CODE"
+_a2_lo:
+	.byte	$74
+	.byte	$67
+	.byte	$69
+	.byte	$02
+	.byte	$28
+	.byte	$00
+	.byte	$30
+	.byte	$00
+	.byte	$10
+	.byte	$01
+	.byte	$08
+	.byte	$08
+	.byte	$00
+	.byte	$00
+	.byte	$00
+	.byte	$00
+	.word	_a2_lo+75
+	.word	_a2_lo+75
+	.word	_a2_lo+58
+	.word	_a2_lo+76
+	.word	_a2_lo+89
+	.word	_a2_lo+118
+	.word	_a2_lo+98
+	.word	_a2_lo+75
+	.word	_a2_lo+75
+	.word	_a2_lo+108
+	.word	_a2_lo+118
+	.word	_a2_lo+124
+	.word	_a2_lo+124
+	.word	_a2_lo+129
+	.word	_a2_lo+194
+	.word	_a2_lo+210
+	.word	_a2_lo+558
+	.word	_a2_lo+586
+	.word	_a2_lo+75
+	.word	_a2_lo+75
+	.byte	$00
+	.byte	$00
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$20
+	.byte	$40
+	.byte	$FB
+	.byte	$2C
+	.byte	$52
+	.byte	$C0
+	.byte	$2C
+	.byte	$80
+	.byte	$C0
+	.byte	$A9
+	.byte	$00
+	.byte	$8D
+	.word	BSS+0
+	.byte	$60
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$20
+	.byte	$99
+	.byte	$F3
+	.byte	$20
+	.byte	$58
+	.byte	$FC
+	.byte	$2C
+	.byte	$80
+	.byte	$C0
+	.byte	$60
+	.byte	$AD
+	.word	BSS+0
+	.byte	$A2
+	.byte	$00
+	.byte	$8E
+	.word	BSS+0
+	.byte	$60
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$20
+	.byte	$32
+	.byte	$F8
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+	.byte	$C0
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+	.byte	$2C
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+	.byte	$C0
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+	.byte	$64
+	.byte	$F8
+	.byte	$2C
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+	.byte	$C0
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+	.byte	$8D
+	.word	BSS+0
+	.byte	$60
+	.byte	$A9
+	.byte	<(_a2_lo+227)
+	.byte	$A2
+	.byte	>(_a2_lo+995)
+	.byte	$60
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$A4
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+10)
+	.byte	$20
+	.byte	$00
+	.byte	$F8
+	.byte	$2C
+	.byte	$80
+	.byte	$C0
+	.byte	$60
+	.byte	$A5
+	.byte	<(ZEROPAGE+11)
+	.byte	$30
+	.byte	$2E
+	.byte	$A5
+	.byte	<(ZEROPAGE+9)
+	.byte	$30
+	.byte	$2A
+	.byte	$A5
+	.byte	<(ZEROPAGE+8)
+	.byte	$A6
+	.byte	<(ZEROPAGE+9)
+	.byte	$85
+	.byte	<(ZEROPAGE+16)
+	.byte	$86
+	.byte	<(ZEROPAGE+17)
+	.byte	$A2
+	.byte	<(ZEROPAGE+16)
+	.byte	$AD
+	.word	_a2_lo+4
+	.byte	$AC
+	.word	_a2_lo+5
+	.byte	$20
+	.word	_a2_lo+961
+	.byte	$B0
+	.byte	$15
+	.byte	$A5
+	.byte	<(ZEROPAGE+10)
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+	.byte	<(ZEROPAGE+16)
+	.byte	$86
+	.byte	<(ZEROPAGE+17)
+	.byte	$A2
+	.byte	<(ZEROPAGE+16)
+	.byte	$AD
+	.word	_a2_lo+6
+	.byte	$AC
+	.word	_a2_lo+7
+	.byte	$20
+	.word	_a2_lo+961
+	.byte	$90
+	.byte	$C0
+	.byte	$60
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$A4
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+10)
+	.byte	$20
+	.byte	$71
+	.byte	$F8
+	.byte	$A2
+	.byte	$00
+	.byte	$2C
+	.byte	$80
+	.byte	$C0
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+	.byte	$A5
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+	.byte	$E5
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+	.byte	<(ZEROPAGE+6)
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+	.byte	<(ZEROPAGE+13)
+	.byte	$E5
+	.byte	<(ZEROPAGE+9)
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+	.byte	$A5
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+	.byte	$20
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+	.byte	$85
+	.byte	<(ZEROPAGE+6)
+	.byte	$84
+	.byte	<(ZEROPAGE+7)
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+	.byte	$20
+	.word	_a2_lo+943
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+	.word	BSS+4
+	.byte	$A2
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+	.byte	$20
+	.word	_a2_lo+961
+	.byte	$90
+	.byte	$04
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+	.byte	$20
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+	.byte	$B0
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+	.byte	$8D
+	.word	BSS+3
+	.byte	$8C
+	.word	BSS+4
+	.byte	$A5
+	.byte	<(ZEROPAGE+6)
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+	.word	BSS+2
+	.byte	$D0
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+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$A5
+	.byte	<(ZEROPAGE+4)
+	.byte	$18
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+	.word	BSS+3
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+	.byte	$10
+	.byte	$01
+	.byte	$CA
+	.byte	$18
+	.byte	$65
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+	.byte	$20
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+	.byte	$10
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+	.byte	$E9
+	.byte	$01
+	.byte	$8D
+	.word	BSS+1
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+	.byte	$03
+	.byte	$4C
+	.word	_a2_lo+386
+	.byte	$CE
+	.word	BSS+2
+	.byte	$4C
+	.word	_a2_lo+386
+	.byte	$2C
+	.byte	$82
+	.byte	$C0
+	.byte	$E6
+	.byte	<(ZEROPAGE+14)
+	.byte	$A6
+	.byte	<(ZEROPAGE+12)
+	.byte	$86
+	.byte	$2C
+	.byte	$A4
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+10)
+	.byte	$20
+	.byte	$19
+	.byte	$F8
+	.byte	$E6
+	.byte	<(ZEROPAGE+10)
+	.byte	$A5
+	.byte	<(ZEROPAGE+14)
+	.byte	$C5
+	.byte	<(ZEROPAGE+10)
+	.byte	$D0
+	.byte	$F1
+	.byte	$2C
+	.byte	$80
+	.byte	$C0
+	.byte	$60
+	.byte	$A5
+	.byte	<(ZEROPAGE+16)
+	.byte	$D0
+	.byte	$03
+	.byte	$4C
+	.word	_a2_lo+143
+	.byte	$85
+	.byte	<(ZEROPAGE+12)
+	.byte	$A9
+	.byte	$00
+	.byte	$85
+	.byte	<(ZEROPAGE+13)
+	.byte	$85
+	.byte	<(ZEROPAGE+14)
+	.byte	$85
+	.byte	<(ZEROPAGE+15)
+	.byte	$85
+	.byte	<(ZEROPAGE+2)
+	.byte	$85
+	.byte	<(ZEROPAGE+3)
+	.byte	$A5
+	.byte	<(ZEROPAGE+8)
+	.byte	$A6
+	.byte	<(ZEROPAGE+9)
+	.byte	$85
+	.byte	<(ZEROPAGE+4)
+	.byte	$86
+	.byte	<(ZEROPAGE+5)
+	.byte	$A5
+	.byte	<(ZEROPAGE+10)
+	.byte	$A6
+	.byte	<(ZEROPAGE+11)
+	.byte	$85
+	.byte	<(ZEROPAGE+6)
+	.byte	$86
+	.byte	<(ZEROPAGE+7)
+	.byte	$A2
+	.byte	<(ZEROPAGE+14)
+	.byte	$A5
+	.byte	<(ZEROPAGE+12)
+	.byte	$A4
+	.byte	<(ZEROPAGE+13)
+	.byte	$20
+	.word	_a2_lo+961
+	.byte	$90
+	.byte	$01
+	.byte	$60
+	.byte	$A5
+	.byte	<(ZEROPAGE+4)
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+12)
+	.byte	$85
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+5)
+	.byte	$65
+	.byte	<(ZEROPAGE+13)
+	.byte	$85
+	.byte	<(ZEROPAGE+9)
+	.byte	$A5
+	.byte	<(ZEROPAGE+6)
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+14)
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$48
+	.byte	$A5
+	.byte	<(ZEROPAGE+7)
+	.byte	$65
+	.byte	<(ZEROPAGE+15)
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$48
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$A5
+	.byte	<(ZEROPAGE+6)
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+14)
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$8D
+	.word	BSS+5
+	.byte	$A5
+	.byte	<(ZEROPAGE+7)
+	.byte	$E5
+	.byte	<(ZEROPAGE+15)
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$8D
+	.word	BSS+6
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$68
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$68
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$A5
+	.byte	<(ZEROPAGE+4)
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+12)
+	.byte	$85
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+5)
+	.byte	$E5
+	.byte	<(ZEROPAGE+13)
+	.byte	$85
+	.byte	<(ZEROPAGE+9)
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$AD
+	.word	BSS+5
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$AD
+	.word	BSS+6
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$A5
+	.byte	<(ZEROPAGE+4)
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+14)
+	.byte	$85
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+5)
+	.byte	$65
+	.byte	<(ZEROPAGE+15)
+	.byte	$85
+	.byte	<(ZEROPAGE+9)
+	.byte	$A5
+	.byte	<(ZEROPAGE+6)
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+12)
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$48
+	.byte	$A5
+	.byte	<(ZEROPAGE+7)
+	.byte	$65
+	.byte	<(ZEROPAGE+13)
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$48
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$A5
+	.byte	<(ZEROPAGE+6)
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+12)
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$8D
+	.word	BSS+5
+	.byte	$A5
+	.byte	<(ZEROPAGE+7)
+	.byte	$E5
+	.byte	<(ZEROPAGE+13)
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$8D
+	.word	BSS+6
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$68
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$68
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$A5
+	.byte	<(ZEROPAGE+4)
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+14)
+	.byte	$85
+	.byte	<(ZEROPAGE+8)
+	.byte	$A5
+	.byte	<(ZEROPAGE+5)
+	.byte	$E5
+	.byte	<(ZEROPAGE+15)
+	.byte	$85
+	.byte	<(ZEROPAGE+9)
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$AD
+	.word	BSS+5
+	.byte	$85
+	.byte	<(ZEROPAGE+10)
+	.byte	$AD
+	.word	BSS+6
+	.byte	$85
+	.byte	<(ZEROPAGE+11)
+	.byte	$20
+	.word	_a2_lo+143
+	.byte	$A5
+	.byte	<(ZEROPAGE+2)
+	.byte	$A6
+	.byte	<(ZEROPAGE+3)
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+14)
+	.byte	$A8
+	.byte	$8A
+	.byte	$65
+	.byte	<(ZEROPAGE+15)
+	.byte	$AA
+	.byte	$98
+	.byte	$18
+	.byte	$65
+	.byte	<(ZEROPAGE+14)
+	.byte	$A8
+	.byte	$8A
+	.byte	$65
+	.byte	<(ZEROPAGE+15)
+	.byte	$AA
+	.byte	$98
+	.byte	$18
+	.byte	$69
+	.byte	$01
+	.byte	$90
+	.byte	$01
+	.byte	$E8
+	.byte	$8D
+	.word	BSS+1
+	.byte	$8E
+	.word	BSS+2
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+12)
+	.byte	$A8
+	.byte	$8A
+	.byte	$E5
+	.byte	<(ZEROPAGE+13)
+	.byte	$AA
+	.byte	$98
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+12)
+	.byte	$A8
+	.byte	$8A
+	.byte	$E5
+	.byte	<(ZEROPAGE+13)
+	.byte	$AA
+	.byte	$98
+	.byte	$18
+	.byte	$69
+	.byte	$01
+	.byte	$90
+	.byte	$01
+	.byte	$E8
+	.byte	$8D
+	.word	BSS+3
+	.byte	$8E
+	.word	BSS+4
+	.byte	$E6
+	.byte	<(ZEROPAGE+14)
+	.byte	$D0
+	.byte	$02
+	.byte	$E6
+	.byte	<(ZEROPAGE+15)
+	.byte	$AD
+	.word	BSS+3
+	.byte	$AC
+	.word	BSS+4
+	.byte	$20
+	.word	_a2_lo+943
+	.byte	$85
+	.byte	<(ZEROPAGE+2)
+	.byte	$84
+	.byte	<(ZEROPAGE+3)
+	.byte	$AD
+	.word	BSS+1
+	.byte	$AC
+	.word	BSS+2
+	.byte	$20
+	.word	_a2_lo+943
+	.byte	$A2
+	.byte	<(ZEROPAGE+2)
+	.byte	$20
+	.word	_a2_lo+961
+	.byte	$10
+	.byte	$14
+	.byte	$A5
+	.byte	<(ZEROPAGE+12)
+	.byte	$38
+	.byte	$E9
+	.byte	$01
+	.byte	$85
+	.byte	<(ZEROPAGE+12)
+	.byte	$B0
+	.byte	$02
+	.byte	$C6
+	.byte	<(ZEROPAGE+13)
+	.byte	$AD
+	.word	BSS+3
+	.byte	$AE
+	.word	BSS+4
+	.byte	$4C
+	.word	_a2_lo+936
+	.byte	$AD
+	.word	BSS+1
+	.byte	$AE
+	.word	BSS+2
+	.byte	$85
+	.byte	<(ZEROPAGE+2)
+	.byte	$86
+	.byte	<(ZEROPAGE+3)
+	.byte	$4C
+	.word	_a2_lo+623
+	.byte	$C0
+	.byte	$00
+	.byte	$10
+	.byte	$0D
+	.byte	$18
+	.byte	$49
+	.byte	$FF
+	.byte	$69
+	.byte	$01
+	.byte	$48
+	.byte	$98
+	.byte	$49
+	.byte	$FF
+	.byte	$69
+	.byte	$00
+	.byte	$A8
+	.byte	$68
+	.byte	$60
+	.byte	$85
+	.byte	<(ZEROPAGE+18)
+	.byte	$84
+	.byte	<(ZEROPAGE+19)
+	.byte	$B5
+	.byte	$00
+	.byte	$48
+	.byte	$B5
+	.byte	$01
+	.byte	$A8
+	.byte	$68
+	.byte	$AA
+	.byte	$98
+	.byte	$38
+	.byte	$E5
+	.byte	<(ZEROPAGE+19)
+	.byte	$D0
+	.byte	$09
+	.byte	$E4
+	.byte	<(ZEROPAGE+18)
+	.byte	$F0
+	.byte	$04
+	.byte	$69
+	.byte	$FF
+	.byte	$09
+	.byte	$01
+	.byte	$60
+	.byte	$50
+	.byte	$04
+	.byte	$49
+	.byte	$FF
+	.byte	$09
+	.byte	$01
+	.byte	$60
+	.byte	$00
+	.byte	$01
+	.byte	$02
+	.byte	$03
+	.byte	$04
+	.byte	$05
+	.byte	$06
+	.byte	$07
+	.byte	$08
+	.byte	$09
+	.byte	$0A
+	.byte	$0B
+	.byte	$0C
+	.byte	$0D
+	.byte	$0E
+	.byte	$0F
+
+;
+; DATA SEGMENT
+;
+.segment	"DATA"
+DATA:
+
+;
+; BSS SEGMENT
+;
+.segment	"BSS"
+BSS:
+	.res	9
+
+;
+; ZEROPAGE SEGMENT
+;
+.import	__ZP_START__		; Linker generated symbol
+ZEROPAGE = __ZP_START__
+
+.end
diff --git a/ocanada/flag.c b/ocanada/flag.c
new file mode 100644
index 0000000..60f629f
--- /dev/null
+++ b/ocanada/flag.c
@@ -0,0 +1,74 @@
+//
+//  flag.c
+//  ocanada
+//
+//  Created by Jeremy Rand on 2017-07-01.
+//  Copyright © 2017 Jeremy Rand. All rights reserved.
+//
+
+#include <apple2.h>
+#include <stdbool.h>
+#include <tgi.h>
+#include <tgi/tgi-mode.h>
+
+#include "flag.h"
+
+// Extern symbols for graphics drivers
+extern char a2_lo;
+
+void initGraphics(void)
+{
+    static bool tgi_inited = false;
+    
+    if (tgi_inited)
+        return;
+    
+    // Install drivers
+    tgi_install(&a2_lo);
+    
+    tgi_init();
+    
+    // Mixed text and graphics mode
+    asm ("STA %w", 0xc053);
+    
+    tgi_inited = true;
+}
+
+
+void drawFlag(void)
+{
+    initGraphics();
+    
+    tgi_setcolor(LORES_MAGENTA);
+    tgi_bar(0,0,9,39);
+    tgi_bar(30,0,39,39);
+    
+    tgi_setcolor(LORES_WHITE);
+    tgi_bar(10,0,29,39);
+    
+    tgi_setcolor(LORES_MAGENTA);
+    tgi_bar(19,4,20,34);
+    tgi_line(18,7,18,26);
+    tgi_line(21,7,21,26);
+    
+    tgi_line(17,6,17,26);
+    tgi_line(22,6,22,26);
+    
+    tgi_line(16,14,16,27);
+    tgi_line(23,14,23,27);
+    
+    tgi_line(15,13,15,27);
+    tgi_line(24,13,24,27);
+    
+    tgi_line(14,12,14,28);
+    tgi_line(25,12,25,28);
+    
+    tgi_line(13,14,13,26);
+    tgi_line(26,14,26,26);
+    
+    tgi_line(12,13,12,23);
+    tgi_line(27,13,27,23);
+    
+    tgi_line(11,16,11,20);
+    tgi_line(28,16,28,20);
+}
diff --git a/ocanada/flag.h b/ocanada/flag.h
new file mode 100644
index 0000000..b1ac727
--- /dev/null
+++ b/ocanada/flag.h
@@ -0,0 +1,16 @@
+//
+//  flag.h
+//  ocanada
+//
+//  Created by Jeremy Rand on 2017-07-01.
+//  Copyright © 2017 Jeremy Rand. All rights reserved.
+//
+
+#ifndef __ocanada__flag__
+#define __ocanada__flag__
+
+
+extern void drawFlag(void);
+
+
+#endif /* defined(__ocanada__flag__) */
diff --git a/ocanada/main.c b/ocanada/main.c
index db60a73..f034e68 100644
--- a/ocanada/main.c
+++ b/ocanada/main.c
@@ -8,13 +8,58 @@
  */
 
 
+#include <apple2.h>
+#include <stdbool.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <conio.h>
 
+#include "flag.h"
+#include "mockingboard.h"
+#include "song.h"
+
+
+void showTitleScreen(void)
+{
+    clrscr();
+    printf("%s",
+           //0000000001111111111222222222233333333334
+           //1234567890123456789012345678901234567890
+           "            HAPPY CANADA DAY\n"
+           "              JULY 1, 2017\n"
+           "                   BY\n"
+           "               JEREMY RAND\n"
+           "\n"
+           "THIS PROGRAM REQUIRES A MOCKINGBOARD TO\n"
+           "PLAY THE SONG\n"
+           "\n");
+}
+
+
+tSlot getSlotNum(void)
+{
+    printf("MOCKINGBOARD SLOT NUMBER [1-7]?");
+    while (true) {
+        char ch = cgetc();
+        if ((ch >= '1') &&
+            (ch <= '7'))
+            return (ch - '0');
+        
+        if ((ch == '0') ||
+            (ch == 'q') ||
+            (ch == 'Q') ||
+            (ch == CH_ESC))
+            exit(0);
+        
+        printf("\007");
+    }
+}
 
 int main(void)
 {
-    printf("HELLO, WORLD!\n");
-    cgetc();
+    showTitleScreen();
+    mockingBoardInit(getSlotNum(), false);
+    drawFlag();
+    playSong();
     return 0;
 }
diff --git a/ocanada/make/V2Make.scpt b/ocanada/make/V2Make.scpt
index 7f623e5..299ab4b 100644
Binary files a/ocanada/make/V2Make.scpt and b/ocanada/make/V2Make.scpt differ
diff --git a/ocanada/mockingboard.c b/ocanada/mockingboard.c
new file mode 100755
index 0000000..4e15492
--- /dev/null
+++ b/ocanada/mockingboard.c
@@ -0,0 +1,189 @@
+//
+//  mockingboard.c
+//  mocktest
+//
+//  Created by Jeremy Rand on 2016-09-10.
+//  Copyright © 2016 Jeremy Rand. All rights reserved.
+//
+
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "mockingboard.h"
+#include "mockingboard_speech.h"
+
+
+// Defines
+
+#define LATCH_COMMAND 0x7
+#define WRITE_COMMAND 0x6
+#define RESET_COMMAND 0x0
+#define THROUGH_PORT_B 0x4
+
+#define MOCKINGBOARD_LATCH(soundChip) writeCommand((soundChip), LATCH_COMMAND)
+#define MOCKINGBOARD_WRITE(soundChip) writeCommand((soundChip), WRITE_COMMAND)
+#define MOCKINGBOARD_RESET(soundChip) writeCommand((soundChip), RESET_COMMAND)
+
+
+// Typedefs
+
+typedef enum {
+    SOUND_CHIP_1 = 0,
+    SOUND_CHIP_2 = 1,
+    NUM_SOUND_CHIPS = 2
+} tMockingBoardSoundChip;
+
+
+// Globals
+
+// Addresses for the two 6522's (assuming slot 4 for now)
+static uint8_t *gMockPortB[NUM_SOUND_CHIPS]    = { (uint8_t *)0xc000, (uint8_t *)0xc080 };
+static uint8_t *gMockPortA[NUM_SOUND_CHIPS]    = { (uint8_t *)0xc001, (uint8_t *)0xc081 };
+static uint8_t *gMockDataDirB[NUM_SOUND_CHIPS] = { (uint8_t *)0xc002, (uint8_t *)0xc082 };
+static uint8_t *gMockDataDirA[NUM_SOUND_CHIPS] = { (uint8_t *)0xc003, (uint8_t *)0xc083 };
+
+static uint8_t gMockingBoardInitialized = false;
+static uint8_t gMockingBoardSpeechInitialized = false;
+
+
+// Implementation
+
+static uint8_t *mapIOPointer(tSlot slot, uint8_t *ptr)
+{
+    uint16_t temp1 = (uint16_t)ptr;
+    uint16_t temp2 = slot;
+    
+    temp2 <<= 8;
+    temp1 &= 0xf0ff;
+    
+    temp1 |= temp2;
+    ptr = (uint8_t *)temp1;
+    return ptr;
+}
+
+
+void mockingBoardInit(tSlot slot, bool hasSpeechChip)
+{
+    tMockingBoardSoundChip soundChip;
+    
+    if (sizeof(tMockingSoundRegisters) != 16) {
+        printf("The sound registers must be 16 bytes long!\n");
+    }
+    
+    for (soundChip = SOUND_CHIP_1; soundChip < NUM_SOUND_CHIPS; soundChip++) {
+        gMockPortB[soundChip] = mapIOPointer(slot, gMockPortB[soundChip]);
+        gMockPortA[soundChip] = mapIOPointer(slot, gMockPortA[soundChip]);
+        gMockDataDirB[soundChip] = mapIOPointer(slot, gMockDataDirB[soundChip]);
+        gMockDataDirA[soundChip] = mapIOPointer(slot, gMockDataDirA[soundChip]);
+        
+        *(gMockDataDirA[soundChip]) = 0xff;     // Set port A for output
+        *(gMockDataDirB[soundChip]) = 0x7;      // Set port B for output
+    }
+    
+    if (hasSpeechChip) {
+        if (gMockingBoardSpeechInitialized) {
+            mockingBoardSpeechShutdown();
+        }
+        mockingBoardSpeechInit(slot);
+        gMockingBoardSpeechInitialized = true;
+    } else if (gMockingBoardSpeechInitialized) {
+        mockingBoardSpeechShutdown();
+        gMockingBoardSpeechInitialized = false;
+    }
+    
+    gMockingBoardInitialized = true;
+}
+
+
+void mockingBoardShutdown(void)
+{
+    if (gMockingBoardSpeechInitialized) {
+        mockingBoardSpeechShutdown();
+        gMockingBoardSpeechInitialized = false;
+    }
+    
+    gMockingBoardInitialized = false;
+}
+
+
+static void writeCommand(tMockingBoardSoundChip soundChip, uint8_t command)
+{
+    volatile uint8_t *ptr = gMockPortB[soundChip];
+    
+    *ptr = command;
+    *ptr = THROUGH_PORT_B;
+}
+
+
+static void mockingBoardTableAccess(tMockingBoardSoundChip soundChip, tMockingSoundRegisters *registers)
+{
+    uint8_t *data = (uint8_t *)registers;
+    volatile uint8_t *ptr = gMockPortA[soundChip];
+    uint8_t index;
+    
+    if (!gMockingBoardInitialized)
+        return;
+    
+    MOCKINGBOARD_RESET(soundChip);
+    for (index = 0; index < 16; index++) {
+        *ptr = index;
+        MOCKINGBOARD_LATCH(soundChip);
+        *ptr = *data;
+        MOCKINGBOARD_WRITE(soundChip);
+        data++;
+    }
+}
+
+
+void mockingBoardPlaySound(tMockingBoardSpeaker speaker, tMockingSoundRegisters *registers)
+{
+    if ((speaker & SPEAKER_LEFT) != 0) {
+        mockingBoardTableAccess(SOUND_CHIP_1, registers);
+    }
+    
+    if ((speaker & SPEAKER_RIGHT) != 0) {
+        mockingBoardTableAccess(SOUND_CHIP_2, registers);
+    }
+}
+
+
+void mockingBoardStopSound(tMockingBoardSpeaker speaker)
+{
+    if ((speaker & SPEAKER_LEFT) != 0) {
+        MOCKINGBOARD_RESET(SOUND_CHIP_1);
+    }
+    
+    if ((speaker & SPEAKER_RIGHT) != 0) {
+        MOCKINGBOARD_RESET(SOUND_CHIP_2);
+    }
+}
+
+
+bool mockingBoardSpeechIsBusy(void)
+{
+    return (mockingBoardSpeechBusy != 0);
+}
+
+
+bool mockingBoardSpeechIsPlaying(void)
+{
+    return (mockingBoardSpeechPlaying != 0);
+}
+
+
+bool mockingBoardSpeak(uint8_t *data, uint16_t dataLen)
+{
+    if (!gMockingBoardSpeechInitialized)
+        return false;
+    
+    if (mockingBoardSpeechIsBusy())
+        return false;
+    
+    mockingBoardSpeechData = data;
+    mockingBoardSpeechLen = dataLen;
+    mockingBoardSpeakPriv();
+    
+    return true;
+}
diff --git a/ocanada/mockingboard.h b/ocanada/mockingboard.h
new file mode 100755
index 0000000..a2deec1
--- /dev/null
+++ b/ocanada/mockingboard.h
@@ -0,0 +1,131 @@
+//
+//  mockingboard.h
+//  mocktest
+//
+//  Created by Jeremy Rand on 2016-09-10.
+//  Copyright © 2016 Jeremy Rand. All rights reserved.
+//
+
+#ifndef __mocktest__mockingboard__
+#define __mocktest__mockingboard__
+
+
+#include <stdbool.h>
+#include <stdint.h>
+
+
+// Defines
+
+#define MOCK_NUM_CHANNELS 3
+
+
+#define TONE_PERIOD_C(octave)       (0x7a3 >> (octave - 1))
+#define TONE_PERIOD_C_SHARP(octave) (0x735 >> (octave - 1))
+#define TONE_PERIOD_D(octave)       (0x6cd >> (octave - 1))
+#define TONE_PERIOD_D_SHARP(octave) (0x66c >> (octave - 1))
+#define TONE_PERIOD_E(octave)       (0x60f >> (octave - 1))
+#define TONE_PERIOD_F(octave)       (0x5b8 >> (octave - 1))
+#define TONE_PERIOD_F_SHARP(octave) (0x566 >> (octave - 1))
+#define TONE_PERIOD_G(octave)       (0x518 >> (octave - 1))
+#define TONE_PERIOD_G_SHARP(octave) (0x4cf >> (octave - 1))
+#define TONE_PERIOD_A(octave)       (0x48a >> (octave - 1))
+#define TONE_PERIOD_A_SHARP(octave) (0x449 >> (octave - 1))
+#define TONE_PERIOD_B(octave)       (0x40b >> (octave - 1))
+
+#define MIN_NOISE_PERIOD 0
+#define MAX_NOISE_PERIOD 31
+
+#define TONE_CHANNEL_A    1
+#define TONE_CHANNEL_B    2
+#define TONE_CHANNEL_C    4
+#define NOISE_CHANNEL_A   8
+#define NOISE_CHANNEL_B  16
+#define NOISE_CHANNEL_C  32
+
+#define ENABLE_CHANNEL(channels)  (0x3f ^ (channels))
+#define ENABLE_ALL_TONE_CHANNELS  ENABLE_CHANNEL(TONE_CHANNEL_A|TONE_CHANNEL_B|TONE_CHANNEL_C)
+#define ENABLE_ALL_NOISE_CHANNELS ENABLE_CHANNEL(NOISE_CHANNEL_A|NOISE_CHANNEL_B|NOISE_CHANNEL_C)
+#define ENABLE_ALL_CHANNELS       ENABLE_CHANNEL(TONE_CHANNEL_A|TONE_CHANNEL_B|TONE_CHANNEL_C|NOISE_CHANNEL_A|NOISE_CHANNEL_B|NOISE_CHANNEL_C)
+
+#define MIN_AMPLITUDE       0
+#define MAX_AMPLITUDE      15
+#define VARIABLE_AMPLITUDE 16
+
+#define MIN_ENVELOPE_PERIOD 0
+#define MAX_ENVELOPE_PERIOD 65535u
+#define MILLISEC_TO_ENVELOP_PERIOD(ms) ((ms) * 4)
+
+
+// Here is a table of the envelope shapes and how they look:
+//
+//  ENVELOPE_SHAPE_ONE_SHOT_DECAY         \__________...
+//
+//  ENVELOPE_SHAPE_ONE_SHOT_ATTACK        /__________...
+//
+//  ENVELOPE_SHAPE_CONT_DECAY             \|\|\|\|\|\...
+//
+//  ENVELOPE_SHAPE_CONT_DECAY_HOLD        \__________...
+//
+//  ENVELOPE_SHAPE_CONT_DECAY_ALT         \/\/\/\/\/\...
+//                                          _________
+//  ENVELOPE_SHAPE_CONT_DECAY_ALT_HOLD    \|         ...
+//
+//  ENVELOPE_SHAPE_CONT_ATTACK            /|/|/|/|/|/...
+//                                         __________
+//  ENVELOPE_SHAPE_CONT_ATTACK_HOLD       /          ...
+//  ENVELOPE_SHAPE_CONT_ATTACK_ALT        /\/\/\/\/\/...
+//
+//  ENVELOPE_SHAPE_CONT_ATTACK_ALT_HOLD   /|_________...
+
+#define ENVELOPE_SHAPE_ONE_SHOT_DECAY        0
+#define ENVELOPE_SHAPE_ONE_SHOT_ATTACK       4
+#define ENVELOPE_SHAPE_CONT_DECAY            8
+#define ENVELOPE_SHAPE_CONT_DECAY_HOLD       9
+#define ENVELOPE_SHAPE_CONT_DECAY_ALT       10
+#define ENVELOPE_SHAPE_CONT_DECAY_ALT_HOLD  11
+#define ENVELOPE_SHAPE_CONT_ATTACK          12
+#define ENVELOPE_SHAPE_CONT_ATTACK_HOLD     13
+#define ENVELOPE_SHAPE_CONT_ATTACK_ALT      14
+#define ENVELOPE_SHAPE_CONT_ATTACK_ALT_HOLD 15
+
+
+
+// Typedefs
+
+typedef uint8_t tSlot;
+
+
+typedef enum {
+    SPEAKER_NONE = 0,
+    SPEAKER_LEFT = (1 << 0),
+    SPEAKER_RIGHT = (1 << 1),
+    SPEAKER_BOTH = (1 << 0) | (1 << 1)
+} tMockingBoardSpeaker;
+
+
+typedef struct tMockingSoundRegisters {
+    uint16_t tonePeriod[MOCK_NUM_CHANNELS];
+    uint8_t  noisePeriod;
+    uint8_t  enable;
+    uint8_t  amplitude[MOCK_NUM_CHANNELS];
+    uint16_t envelopePeriod;
+    uint8_t  envelopeShape;
+    uint8_t  dummy1;
+    uint8_t  dummy2;
+} tMockingSoundRegisters;
+
+
+// API
+
+extern void mockingBoardInit(tSlot slot, bool hasSpeechChip);
+extern void mockingBoardShutdown(void);
+
+extern void mockingBoardPlaySound(tMockingBoardSpeaker speaker, tMockingSoundRegisters *registers);
+extern void mockingBoardStopSound(tMockingBoardSpeaker speaker);
+
+extern bool mockingBoardSpeechIsBusy(void);
+extern bool mockingBoardSpeechIsPlaying(void);
+extern bool mockingBoardSpeak(uint8_t *data, uint16_t dataLen);
+
+
+#endif /* defined(__mocktest__mockingboard__) */
diff --git a/ocanada/mockingboard_speech.h b/ocanada/mockingboard_speech.h
new file mode 100755
index 0000000..3228735
--- /dev/null
+++ b/ocanada/mockingboard_speech.h
@@ -0,0 +1,26 @@
+//
+//  mockingboard_speech.h
+//  mocktest
+//
+//  Created by Jeremy Rand on 2016-10-17.
+//  Copyright © 2016 Jeremy Rand. All rights reserved.
+//
+
+#ifndef mockingboard_speech_h
+#define mockingboard_speech_h
+
+
+#include <stdint.h>
+
+
+extern uint8_t *mockingBoardSpeechData;
+extern uint16_t mockingBoardSpeechLen;
+extern uint8_t mockingBoardSpeechBusy;
+extern uint8_t mockingBoardSpeechPlaying;
+
+extern void mockingBoardSpeechInit(uint8_t slot);
+extern void mockingBoardSpeechShutdown(void);
+extern void mockingBoardSpeakPriv(void);
+
+
+#endif /* mockingboard_speech_h */
diff --git a/ocanada/mockingboard_speech.s b/ocanada/mockingboard_speech.s
new file mode 100755
index 0000000..6364996
--- /dev/null
+++ b/ocanada/mockingboard_speech.s
@@ -0,0 +1,265 @@
+;
+;  speech.s
+;  mocktest
+;
+;  Created by Jeremy Rand on 2016-09-29.
+;  Copyright © 2016 Jeremy Rand. All rights reserved.
+;
+
+
+    .export _mockingBoardSpeechInit, _mockingBoardSpeechShutdown, _mockingBoardSpeakPriv
+    .export _mockingBoardSpeechData, _mockingBoardSpeechLen
+    .export _mockingBoardSpeechBusy, _mockingBoardSpeechPlaying
+    .interruptor mock_irq
+
+
+TMPPTR  := $FB           ; Temporary pointer used in interrupt handler
+IRQL    := $03FE         ; Interrupt vector, low byte
+IRQH    := $03FF         ; Interrupt vector, high byte
+BASE    := $40           ; First speech chip
+DURPHON := BASE          ; Register 0 of speech chip
+INFLECT := BASE+$01      ; Register 1 of speech chip
+RATEINF := BASE+$02      ; Register 2 of speech chip
+CTTRAMP := BASE+$03      ; Register 3 of speech chip
+FILFREQ := BASE+$04      ; Register 4 of speech chip
+DDRB    := $02
+DDRA    := $03
+PCR     := $8C           ; Peripheral control register, 6522
+IFR     := $8D           ; Interrupt flag register, 6522
+IER     := $8E
+
+
+.DATA
+_mockingBoardSpeechData:    .byte   $00, $00
+_mockingBoardSpeechLen:     .byte   $00, $00
+_outptr:                    .byte   $00, $00
+_endptr:                    .byte   $00, $00
+_mockingBoardSpeechBusy:    .byte   $00
+_mockingBoardSpeechPlaying: .byte   $00
+
+mock_irq:      .byte   $60
+               .lobytes _mockInterrupt
+               .hibytes _mockInterrupt
+
+
+.CODE
+
+writeChip:
+    sta $C000,X
+    rts
+
+readChip:
+    lda $C000,X
+    rts
+
+
+.proc _mockingBoardSpeechInit
+    sei
+
+; The accumulator has the slot number of the mockingboard.
+; Turn that into the address of the slot and set the address
+; in the read and write functions.
+    and #$7
+    ora #$c0
+    sta writeChip+2
+    sta readChip+2
+
+; Write a jump instruction at mock_irq to turn on our handler
+    lda #$4c
+    sta mock_irq
+
+    cli
+    rts
+.endproc
+
+
+.proc _mockingBoardSpeechShutdown
+    sei
+
+; Write a RTS instruction at mock_irq to disable our handler
+    lda #$60
+    sta mock_irq
+
+    cli
+    rts
+.endproc
+
+
+.proc _mockingBoardSpeakPriv
+    sei
+    lda #$00
+    ldx #DDRA
+    jsr writeChip
+    ldx #DDRB
+    jsr writeChip
+
+; Get the starting address of the data and store in the work pointer
+    lda _mockingBoardSpeechData+1
+    sta _outptr+1
+    lda _mockingBoardSpeechData
+    sta _outptr
+
+; Calculate the end address from the start address and the length
+    lda _mockingBoardSpeechLen+1
+    clc
+    adc _mockingBoardSpeechData+1
+    sta _endptr+1
+    lda _mockingBoardSpeechLen
+    clc
+    adc _mockingBoardSpeechData
+    bcc @L2
+    inc _endptr+1
+@L2:
+    sta _endptr
+
+; Set the busy flag
+    lda #$FF
+    sta _mockingBoardSpeechBusy
+
+; Set peripheral control register to recognize the signal from the
+; speech chip.
+    lda #$0C
+    ldx #PCR
+    jsr writeChip
+
+; Raise control bit in register 3
+    lda #$80
+    ldx #CTTRAMP
+    jsr writeChip
+
+; Set transitioned inflection mode in register 0
+    lda #$C0
+    ldx #DURPHON
+    jsr writeChip
+
+; Lower control bit
+    lda #$70
+    ldx #CTTRAMP
+    jsr writeChip
+
+; Enable 6522 interrupts
+    lda #$82
+    ldx #IER
+    jsr writeChip
+
+    cli
+    rts
+.endproc
+
+
+.proc _mockInterrupt
+; If we have a 6522 interrupt, jump to L4.
+    ldx #IFR
+    jsr readChip
+    bmi @L4
+
+; Otherwise clear the carry to indicate we didn't handle the interrupt
+; and return to the caller.
+    clc
+    rts
+
+@L4:
+; Clear the interrupt flag
+    lda #$02
+    ldx #IFR
+    jsr writeChip
+
+; Check for end of data file.  If not the end, jump to L1
+    lda _outptr+1
+    cmp _endptr+1
+    bcc @L1
+    bne @L5
+    lda _outptr
+    cmp _endptr
+    bcc @L1
+
+@L5:
+
+; If at the end, turn everything off.  Store a pause phoneme.
+    lda #$00
+    ldx #DURPHON
+    jsr writeChip
+
+; Zero amplitude
+    lda #$70
+    ldx #CTTRAMP
+    jsr writeChip
+
+; Clear busy and playing flags
+    lda #$00
+    sta _mockingBoardSpeechBusy
+    sta _mockingBoardSpeechPlaying
+
+; Clear interrupt enable in 6522
+    lda #$02
+    ldx #IER
+    jsr writeChip
+    lda #$FF
+    ldx #DDRA
+    jsr writeChip
+    lda #$07
+    ldx #DDRB
+    jsr writeChip
+
+@L2:
+; Set the carry flag to indicate we handled the interrupt and return to the caller.
+    sec
+    rts
+
+@L1:
+
+; Set the speach playing flag
+    lda #$ff
+    sta _mockingBoardSpeechPlaying
+
+; Save the value of the tmp pointer on the stack
+    lda TMPPTR
+    pha
+    lda TMPPTR+1
+    pha
+
+; Move the _outptr into the tmp pointer
+    lda _outptr
+    sta TMPPTR
+    lda _outptr+1
+    sta TMPPTR+1
+
+; Init registers
+    ldy #$00
+    ldx #FILFREQ
+
+@L6:
+; Get the next data
+    lda (TMPPTR),Y
+
+; Store in the speech chip
+    jsr writeChip
+
+; Next data
+    inc TMPPTR
+    bne @L3
+    inc TMPPTR+1
+
+@L3:
+; Go to next register
+    dex
+
+; If we are not done the last register, then loop back to L6
+    cpx #BASE-1
+    bne @L6
+
+; We are done writing so move the tmp pointer back into _outptr
+    lda TMPPTR
+    sta _outptr
+    lda TMPPTR+1
+    sta _outptr+1
+
+; Restore the tmp pointer from the stack
+    pla
+    sta TMPPTR+1
+    pla
+    sta TMPPTR
+
+; Finish the interrupt handler
+    jmp @L2
+.endproc
diff --git a/ocanada/song.c b/ocanada/song.c
new file mode 100644
index 0000000..6592770
--- /dev/null
+++ b/ocanada/song.c
@@ -0,0 +1,151 @@
+//
+//  song.c
+//  ocanada
+//
+//  Created by Jeremy Rand on 2017-07-01.
+//  Copyright © 2017 Jeremy Rand. All rights reserved.
+//
+
+#include <conio.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "mockingboard.h"
+#include "song.h"
+
+
+
+typedef struct tSongNote {
+    uint16_t mainTone;
+    uint16_t bassTone;
+    uint8_t duration;
+    char *words;
+} tSongNote;
+
+
+static tSongNote notes[] = {
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 8, "\n\nO" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 6, " CAN" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 2, "A" },
+    { TONE_PERIOD_C(4), TONE_PERIOD_A(2), 12, "DA" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_A(2), 4, "\nOUR" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, " HOME" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_C(2), 4, " AND" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 4, " NA" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_C(2), 4, "TIVE" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 16, " LAND" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 8, "\nTRUE" },
+    { TONE_PERIOD_F_SHARP(4), TONE_PERIOD_D(2), 6, " PA" },
+    { TONE_PERIOD_F_SHARP(4), TONE_PERIOD_D(2), 2, "TRIOT" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 12, " LOVE" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_G(2), 4, " IN" },
+    { TONE_PERIOD_B(4), TONE_PERIOD_G(2), 4, "\nALL" },
+    { TONE_PERIOD_B(4), TONE_PERIOD_G(2), 4, " THY" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_D(2), 4, " SONS" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_D(2), 4, " COM" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 12, "MAND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 3, "\nWITH" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 1, "" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_G(2), 6, " GLOW" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 2, "ING" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 4, " HEARTS" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 3, " WE" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_G(2), 1, "" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 6, " SEE" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_C(2), 2, " THEE" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, " RISE" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_C(2), 3, "\nTHE" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 1, "" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_F(2), 4, " TRUE" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_F(2), 4, " NORTH" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_F(2), 4, " STRONG" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_F(2), 4, " AND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 12, " FREE" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 3, "\nFROM" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 1, "" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_G(2), 6, " FAR" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 2, " AND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 4, " WIDE" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_G(2), 3, ", O" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_G(2), 1, "" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 6, " CAN" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_C(2), 2, "A" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, "DA" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, "\nWE" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 4, " STAND" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 4, " ON" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_D(2), 2, " GUARD" },
+    { TONE_PERIOD_F_SHARP(4), TONE_PERIOD_D(2), 2, "" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_D(2), 2, " FOR" },
+    { TONE_PERIOD_F_SHARP(4), TONE_PERIOD_D(2), 2, "" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 16, " THEE" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 8, "\nGOD" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 6, " KEEP" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_G(2), 2, " OUR" },
+    { TONE_PERIOD_C(4), TONE_PERIOD_A(2), 16, " LAND" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_D(2), 8, ", GLO" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_D(2), 6, "RIOUS" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_D(2), 2, " AND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_G(2), 16, " FREE" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 8, "\nO" },
+    { TONE_PERIOD_G_SHARP(4), TONE_PERIOD_E(2), 6, " CAN" },
+    { TONE_PERIOD_G_SHARP(4), TONE_PERIOD_E(2), 2, "A" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_F(2), 4, "DA" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_F(2), 4, ", WE" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, " STAND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_C(2), 4, " ON" },
+    { TONE_PERIOD_C(4), TONE_PERIOD_A(2), 8, " GUARD" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_D(2), 8, " FOR" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_E(2), 16, " THEE" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 8, "\nO" },
+    { TONE_PERIOD_C(5), TONE_PERIOD_C(2), 6, " CAN" },
+    { TONE_PERIOD_C(5), TONE_PERIOD_C(2), 2, "A" },
+    { TONE_PERIOD_A(4), TONE_PERIOD_F(2), 4, "DA" },
+    { TONE_PERIOD_F(4), TONE_PERIOD_F(2), 4, ", WE" },
+    { TONE_PERIOD_E(4), TONE_PERIOD_C(2), 4, " STAND" },
+    { TONE_PERIOD_D(4), TONE_PERIOD_C(2), 4, " ON" },
+    { TONE_PERIOD_G(4), TONE_PERIOD_C(2), 8, " GUARD" },
+    { TONE_PERIOD_B(4), TONE_PERIOD_G(2), 8, " FOR" },
+    { TONE_PERIOD_C(5), TONE_PERIOD_C(2), 16, " THEE!" },
+};
+
+
+void delay(uint8_t duration)
+{
+    uint8_t count;
+    
+    for (count = 0; count < duration; count++) {
+        uint16_t insideCount = 0;
+        do {
+            insideCount++;
+        } while (insideCount != 768);
+    }
+}
+
+
+void playSong(void)
+{
+    uint16_t noteNum;
+    static tMockingSoundRegisters regs;
+    
+    regs.noisePeriod = MIN_NOISE_PERIOD;
+    regs.enable = ENABLE_ALL_TONE_CHANNELS;
+    regs.amplitude[0] = MAX_AMPLITUDE;
+    regs.amplitude[1] = MAX_AMPLITUDE;
+    regs.amplitude[2] = MAX_AMPLITUDE;
+    regs.envelopePeriod = MIN_ENVELOPE_PERIOD;
+    regs.envelopeShape = ENVELOPE_SHAPE_CONT_ATTACK_HOLD;
+    
+    printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
+    for (noteNum = 0; noteNum < (sizeof(notes) / sizeof(notes[0])); noteNum++) {
+        regs.tonePeriod[0] = notes[noteNum].mainTone;
+        regs.tonePeriod[1] = notes[noteNum].mainTone;
+        regs.tonePeriod[2] = notes[noteNum].bassTone;
+        
+        mockingBoardPlaySound(SPEAKER_BOTH, &regs);
+        printf("%s", notes[noteNum].words);
+        delay(notes[noteNum].duration);
+    }
+    mockingBoardStopSound(SPEAKER_BOTH);
+    cgetc();
+}
diff --git a/ocanada/song.h b/ocanada/song.h
new file mode 100644
index 0000000..9581155
--- /dev/null
+++ b/ocanada/song.h
@@ -0,0 +1,16 @@
+//
+//  song.h
+//  ocanada
+//
+//  Created by Jeremy Rand on 2017-07-01.
+//  Copyright © 2017 Jeremy Rand. All rights reserved.
+//
+
+#ifndef __ocanada__song__
+#define __ocanada__song__
+
+
+extern void playSong(void);
+
+
+#endif /* defined(__ocanada__song__) */