diff --git a/instructions.xlsx b/instructions.xlsx
index ca77594..b6adb0b 100644
Binary files a/instructions.xlsx and b/instructions.xlsx differ
diff --git a/machine_alpha/ALU_3_in_1.bdf b/machine_alpha/ALU_3_in_1.bdf
index 9b20d4f..868bdb7 100644
--- a/machine_alpha/ALU_3_in_1.bdf
+++ b/machine_alpha/ALU_3_in_1.bdf
@@ -4,7 +4,7 @@ editor if you plan to continue editing the block that represents it in
 the Block Editor! File corruption is VERY likely to occur.
 */
 /*
-Copyright (C) 1991-2008 Altera Corporation
+Copyright (C) 1991-2009 Altera Corporation
 Your use of Altera Corporation's design tools, logic functions 
 and other software and tools, and its AMPP partner logic 
 functions, and any output files from any of the foregoing 
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-	(pt 136 1040)
-	(pt 312 1040)
-	(color 0 0 0)
-)
 (connector
 	(pt 312 928)
 	(pt 312 912)
@@ -3368,46 +3223,6 @@ applicable agreement for further details.
 	(pt 424 928)
 	(pt 424 912)
 )
-(connector
-	(pt 1272 1352)
-	(pt 1304 1352)
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-	(color 0 128 128)
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-(connector
-	(pt 840 1256)
-	(pt 1080 1256)
-	(color 0 128 128)
-)
 (connector
 	(pt 656 1888)
 	(pt 656 1984)
@@ -3520,30 +3335,6 @@ applicable agreement for further details.
 	(pt 800 1968)
 	(pt 816 1968)
 )
-(connector
-	(pt 1032 1984)
-	(pt 1032 2016)
-)
-(connector
-	(pt 880 1984)
-	(pt 896 1984)
-)
-(connector
-	(pt 896 1984)
-	(pt 1032 1984)
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-	(pt 1032 1968)
-	(pt 1032 1944)
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-	(pt 816 1968)
-	(pt 832 1968)
-)
-(connector
-	(pt 832 1968)
-	(pt 1032 1968)
-)
 (connector
 	(pt 912 1888)
 	(pt 912 1944)
@@ -3564,106 +3355,6 @@ applicable agreement for further details.
 	(pt 928 1888)
 	(pt 928 1920)
 )
-(connector
-	(pt 928 1920)
-	(pt 976 1920)
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-	(pt 1160 1888)
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-	(pt 1160 1920)
-	(pt 1160 2040)
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-	(pt 1128 2136)
-	(pt 1128 2152)
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-	(pt 1184 1904)
-	(pt 1184 1936)
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-	(pt 1008 1904)
-	(pt 1184 1904)
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-	(pt 1184 1904)
-	(pt 1208 1904)
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-	(pt 1192 2000)
-	(pt 1192 2040)
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-	(pt 1248 2024)
-	(pt 1248 1568)
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-	(pt 1176 2024)
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-	(pt 1176 2000)
-	(pt 1176 2024)
-)
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-	(pt 1176 2024)
-	(pt 1176 2040)
-)
 (connector
 	(pt 1104 1344)
 	(pt 1104 1384)
@@ -3679,51 +3370,424 @@ applicable agreement for further details.
 	(pt 1104 1344)
 	(color 255 45 129)
 )
-(connector
-	(pt 1072 1240)
-	(pt 1080 1240)
-)
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-	(pt 976 1568)
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-	(pt 976 1232)
-	(pt 992 1232)
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-	(pt 1080 1248)
-	(pt 1056 1248)
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-	(pt 1056 1248)
-	(pt 1056 1232)
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-	(pt 1072 1192)
-)
 (connector
 	(pt 664 1192)
 	(pt 872 1192)
 )
 (connector
-	(pt 872 1192)
-	(pt 992 1192)
+	(pt 1128 1872)
+	(pt 1080 1872)
 )
 (connector
-	(pt 1040 1192)
-	(pt 1072 1192)
+	(pt 1192 1840)
+	(pt 1192 1872)
+)
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+	(pt 1176 1840)
+	(pt 1176 1856)
+)
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+	(pt 1096 1840)
+	(pt 1096 1856)
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+	(pt 1080 1840)
+	(pt 1080 1872)
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+	(pt 1224 1840)
+	(pt 1224 1888)
+)
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+	(pt 1176 1432)
+	(pt 1168 1432)
+	(color 255 101 9)
+)
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+	(pt 904 1712)
+	(pt 1184 1712)
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+	(pt 1232 1696)
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+	(pt 1136 1728)
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+	(pt 1232 1776)
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+	(pt 1240 1840)
+	(pt 1240 1904)
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+	(color 234 105 0)
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+	(pt 944 1640)
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+	(pt 1064 1984)
+	(pt 1064 2016)
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+	(pt 1064 1968)
+	(pt 1064 1944)
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+	(pt 1192 1888)
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+	(pt 1216 1904)
+	(pt 1216 1936)
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+	(pt 1224 2040)
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+	(pt 1208 2000)
+	(pt 1208 2040)
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+	(pt 976 1920)
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+	(pt 1176 1288)
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+	(pt 136 2104)
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+	(color 0 0 0)
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+	(pt 1160 1256)
+	(pt 1304 1256)
+	(color 0 0 0)
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 (junction (pt 528 1336))
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 (junction (pt 456 2104))
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 (junction (pt 472 1440))
 (junction (pt 472 1480))
 (junction (pt 1160 1336))
@@ -3736,14 +3800,9 @@ applicable agreement for further details.
 (junction (pt 376 1512))
 (junction (pt 360 1496))
 (junction (pt 344 1480))
-(junction (pt 1096 1872))
-(junction (pt 1160 1920))
 (junction (pt 1160 1368))
 (junction (pt 248 2088))
 (junction (pt 488 2072))
-(junction (pt 1128 1856))
-(junction (pt 840 1256))
-(junction (pt 136 1288))
 (junction (pt 472 1200))
 (junction (pt 976 1920))
 (junction (pt 720 1968))
@@ -3760,9 +3819,14 @@ applicable agreement for further details.
 (junction (pt 800 1968))
 (junction (pt 816 1968))
 (junction (pt 832 1968))
-(junction (pt 1184 1904))
-(junction (pt 1176 2024))
-(junction (pt 872 1192))
+(junction (pt 1128 1872))
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+(junction (pt 1216 1904))
+(junction (pt 840 1304))
+(junction (pt 1416 1368))
+(junction (pt 1160 1256))
+(junction (pt 136 1256))
 (text "B" (rect 488 1328 496 1342)(font "Arial" (font_size 8)))
 (text "A" (rect 488 1312 497 1326)(font "Arial" (font_size 8)))
 (text "Q" (rect 488 1352 497 1366)(font "Arial" (font_size 8)))
diff --git a/machine_alpha/ALU_3_in_1.bsf b/machine_alpha/ALU_3_in_1.bsf
index e0313d5..a9b523d 100644
--- a/machine_alpha/ALU_3_in_1.bsf
+++ b/machine_alpha/ALU_3_in_1.bsf
@@ -20,9 +20,9 @@ applicable agreement for further details.
 */
 (header "symbol" (version "1.1"))
 (symbol
-	(rect 64 64 192 480)
+	(rect 64 64 192 512)
 	(text "ALU_3_in_1" (rect 5 0 74 14)(font "Arial" (font_size 8)))
-	(text "inst" (rect 8 400 25 412)(font "Arial" ))
+	(text "inst" (rect 8 432 25 444)(font "Arial" ))
 	(port
 		(pt 0 144)
 		(input)
@@ -163,6 +163,13 @@ applicable agreement for further details.
 		(text "CP_Z" (rect 21 331 51 345)(font "Arial" (font_size 8)))
 		(line (pt 0 336)(pt 16 336)(line_width 1))
 	)
+	(port
+		(pt 0 352)
+		(input)
+		(text "CP_PSW" (rect 0 0 49 14)(font "Arial" (font_size 8)))
+		(text "CP_PSW" (rect 21 347 70 361)(font "Arial" (font_size 8)))
+		(line (pt 0 352)(pt 16 352)(line_width 1))
+	)
 	(port
 		(pt 0 368)
 		(input)
@@ -178,97 +185,97 @@ applicable agreement for further details.
 		(line (pt 0 384)(pt 16 384)(line_width 1))
 	)
 	(port
-		(pt 0 352)
+		(pt 0 400)
 		(input)
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-		(text "S2" (rect 24 344 39 358)(font "Arial" (font_size 8)))
-		(line (pt 0 352)(pt 16 352)(line_width 1))
+		(text "S2" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "S2" (rect 21 395 36 409)(font "Arial" (font_size 8)))
+		(line (pt 0 400)(pt 16 400)(line_width 1))
 	)
 	(port
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 		(output)
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+		(text "Q0" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q0" (rect 91 139 107 153)(font "Arial" (font_size 8)))
 		(line (pt 128 144)(pt 112 144)(line_width 1))
 	)
 	(port
 		(pt 128 128)
 		(output)
-		(text "Q1" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q1" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q1" (rect 91 123 107 137)(font "Arial" (font_size 8)))
 		(line (pt 128 128)(pt 112 128)(line_width 1))
 	)
 	(port
 		(pt 128 112)
 		(output)
-		(text "Q2" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q2" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q2" (rect 91 107 107 121)(font "Arial" (font_size 8)))
 		(line (pt 128 112)(pt 112 112)(line_width 1))
 	)
 	(port
 		(pt 128 96)
 		(output)
-		(text "Q3" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q3" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q3" (rect 91 91 107 105)(font "Arial" (font_size 8)))
 		(line (pt 128 96)(pt 112 96)(line_width 1))
 	)
 	(port
 		(pt 128 80)
 		(output)
-		(text "Q4" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q4" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q4" (rect 91 75 107 89)(font "Arial" (font_size 8)))
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 	)
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 		(pt 128 64)
 		(output)
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 		(line (pt 128 64)(pt 112 64)(line_width 1))
 	)
 	(port
 		(pt 128 48)
 		(output)
-		(text "Q6" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q6" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q6" (rect 91 43 107 57)(font "Arial" (font_size 8)))
 		(line (pt 128 48)(pt 112 48)(line_width 1))
 	)
 	(port
 		(pt 128 32)
 		(output)
-		(text "Q7" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "Q7" (rect -16 0 0 14)(font "Arial" (font_size 8)))
 		(text "Q7" (rect 91 27 107 41)(font "Arial" (font_size 8)))
 		(line (pt 128 32)(pt 112 32)(line_width 1))
 	)
 	(port
 		(pt 128 176)
 		(output)
-		(text "FLG_V" (rect 0 0 40 14)(font "Arial" (font_size 8)))
+		(text "FLG_V" (rect -16 0 24 14)(font "Arial" (font_size 8)))
 		(text "FLG_V" (rect 67 171 107 185)(font "Arial" (font_size 8)))
 		(line (pt 128 176)(pt 112 176)(line_width 1))
 	)
 	(port
 		(pt 128 192)
 		(output)
-		(text "FLG_N" (rect 0 0 38 14)(font "Arial" (font_size 8)))
+		(text "FLG_N" (rect -16 0 22 14)(font "Arial" (font_size 8)))
 		(text "FLG_N" (rect 69 187 107 201)(font "Arial" (font_size 8)))
 		(line (pt 128 192)(pt 112 192)(line_width 1))
 	)
 	(port
 		(pt 128 208)
 		(output)
-		(text "FLG_Z" (rect 0 0 38 14)(font "Arial" (font_size 8)))
+		(text "FLG_Z" (rect -16 0 22 14)(font "Arial" (font_size 8)))
 		(text "FLG_Z" (rect 69 203 107 217)(font "Arial" (font_size 8)))
 		(line (pt 128 208)(pt 112 208)(line_width 1))
 	)
 	(port
 		(pt 128 160)
 		(output)
-		(text "FLG_C" (rect 0 0 38 14)(font "Arial" (font_size 8)))
+		(text "FLG_C" (rect -16 0 22 14)(font "Arial" (font_size 8)))
 		(text "FLG_C" (rect 69 155 107 169)(font "Arial" (font_size 8)))
 		(line (pt 128 160)(pt 112 160)(line_width 1))
 	)
 	(drawing
-		(rectangle (rect 16 16 112 400)(line_width 1))
+		(rectangle (rect 16 16 112 432)(line_width 1))
 	)
 )
diff --git a/machine_alpha/machine_alpha.bdf b/machine_alpha/machine_alpha.bdf
index 4773814..5c1eb3d 100644
--- a/machine_alpha/machine_alpha.bdf
+++ b/machine_alpha/machine_alpha.bdf
@@ -241,57 +241,6 @@ applicable agreement for further details.
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 	(annotation_block (location)(rect 2744 1064 2800 1080))
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-	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
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-	(pt 168 8)
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-		(line (pt 92 12)(pt 92 4)(line_width 1))
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-		(line (pt 117 12)(pt 121 8)(line_width 1))
-	)
-	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 1008 1448 1064 1464))
-)
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-	(pt 168 8)
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-		(line (pt 121 8)(pt 168 8)(line_width 1))
-		(line (pt 92 12)(pt 92 4)(line_width 1))
-		(line (pt 117 4)(pt 121 8)(line_width 1))
-		(line (pt 117 12)(pt 121 8)(line_width 1))
-	)
-	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 1008 1464 1064 1480))
-)
-(pin
-	(input)
-	(rect 1064 1464 1232 1480)
-	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
-	(text "uIR17" (rect 5 0 34 12)(font "Arial" ))
-	(pt 168 8)
-	(drawing
-		(line (pt 92 12)(pt 117 12)(line_width 1))
-		(line (pt 92 4)(pt 117 4)(line_width 1))
-		(line (pt 121 8)(pt 168 8)(line_width 1))
-		(line (pt 92 12)(pt 92 4)(line_width 1))
-		(line (pt 117 4)(pt 121 8)(line_width 1))
-		(line (pt 117 12)(pt 121 8)(line_width 1))
-	)
-	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 1008 1480 1064 1496))
-)
 (pin
 	(input)
 	(rect 664 504 832 520)
@@ -328,7 +277,7 @@ applicable agreement for further details.
 )
 (pin
 	(input)
-	(rect 2496 1896 2664 1912)
+	(rect 2848 1840 3016 1856)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "uIR0" (rect 5 0 28 12)(font "Arial" ))
 	(pt 168 8)
@@ -341,11 +290,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 3536 1848 3584 1864))
+	(annotation_block (location)(rect 3888 1792 3936 1808))
 )
 (pin
 	(input)
-	(rect 2496 1880 2664 1896)
+	(rect 2848 1824 3016 1840)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "uIR1" (rect 5 0 28 12)(font "Arial" ))
 	(pt 168 8)
@@ -358,11 +307,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 3536 1832 3584 1848))
+	(annotation_block (location)(rect 3888 1776 3936 1792))
 )
 (pin
 	(input)
-	(rect 2496 1864 2664 1880)
+	(rect 2848 1808 3016 1824)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "uIR2" (rect 5 0 28 12)(font "Arial" ))
 	(pt 168 8)
@@ -375,7 +324,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
-	(annotation_block (location)(rect 3536 1816 3584 1832))
+	(annotation_block (location)(rect 3888 1760 3936 1776))
 )
 (pin
 	(input)
@@ -428,6 +377,74 @@ applicable agreement for further details.
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
 	(annotation_block (location)(rect 400 280 456 296))
 )
+(pin
+	(input)
+	(rect 1064 1448 1232 1464)
+	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
+	(text "uIR19" (rect 5 0 34 12)(font "Arial" ))
+	(pt 168 8)
+	(drawing
+		(line (pt 92 12)(pt 117 12)(line_width 1))
+		(line (pt 92 4)(pt 117 4)(line_width 1))
+		(line (pt 121 8)(pt 168 8)(line_width 1))
+		(line (pt 92 12)(pt 92 4)(line_width 1))
+		(line (pt 117 4)(pt 121 8)(line_width 1))
+		(line (pt 117 12)(pt 121 8)(line_width 1))
+	)
+	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 1176 1640 1232 1656))
+)
+(pin
+	(input)
+	(rect 1064 1464 1232 1480)
+	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
+	(text "uIR18" (rect 5 0 34 12)(font "Arial" ))
+	(pt 168 8)
+	(drawing
+		(line (pt 92 12)(pt 117 12)(line_width 1))
+		(line (pt 92 4)(pt 117 4)(line_width 1))
+		(line (pt 121 8)(pt 168 8)(line_width 1))
+		(line (pt 92 12)(pt 92 4)(line_width 1))
+		(line (pt 117 4)(pt 121 8)(line_width 1))
+		(line (pt 117 12)(pt 121 8)(line_width 1))
+	)
+	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 1176 1656 1232 1672))
+)
+(pin
+	(input)
+	(rect 1064 1480 1232 1496)
+	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
+	(text "uIR17" (rect 5 0 34 12)(font "Arial" ))
+	(pt 168 8)
+	(drawing
+		(line (pt 92 12)(pt 117 12)(line_width 1))
+		(line (pt 92 4)(pt 117 4)(line_width 1))
+		(line (pt 121 8)(pt 168 8)(line_width 1))
+		(line (pt 92 12)(pt 92 4)(line_width 1))
+		(line (pt 117 4)(pt 121 8)(line_width 1))
+		(line (pt 117 12)(pt 121 8)(line_width 1))
+	)
+	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 1176 1672 1232 1688))
+)
+(pin
+	(input)
+	(rect 1064 1432 1232 1448)
+	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
+	(text "uIR3" (rect 5 0 28 12)(font "Arial" ))
+	(pt 168 8)
+	(drawing
+		(line (pt 92 12)(pt 117 12)(line_width 1))
+		(line (pt 92 4)(pt 117 4)(line_width 1))
+		(line (pt 121 8)(pt 168 8)(line_width 1))
+		(line (pt 92 12)(pt 92 4)(line_width 1))
+		(line (pt 117 4)(pt 121 8)(line_width 1))
+		(line (pt 117 12)(pt 121 8)(line_width 1))
+	)
+	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 3496 1880 3544 1896))
+)
 (pin
 	(output)
 	(rect 3128 1384 3304 1400)
@@ -1395,6 +1412,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2080 2400 2096))
 )
 (pin
 	(output)
@@ -1411,6 +1429,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2064 2400 2080))
 )
 (pin
 	(output)
@@ -1427,6 +1446,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2048 2400 2064))
 )
 (pin
 	(output)
@@ -1443,6 +1463,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2032 2400 2048))
 )
 (pin
 	(output)
@@ -1459,6 +1480,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2016 2400 2032))
 )
 (pin
 	(output)
@@ -1475,6 +1497,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 2000 2400 2016))
 )
 (pin
 	(output)
@@ -1491,6 +1514,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 1984 2400 2000))
 )
 (pin
 	(output)
@@ -1507,6 +1531,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 2352 1968 2400 1984))
 )
 (pin
 	(bidir)
@@ -2891,259 +2916,6 @@ applicable agreement for further details.
 		(rectangle (rect 16 16 80 336)(line_width 1))
 	)
 )
-(symbol
-	(rect 1248 1088 1376 1504)
-	(text "ALU_3_in_1" (rect 5 0 74 14)(font "Arial" (font_size 8)))
-	(text "ALU" (rect 8 400 29 412)(font "Arial" ))
-	(port
-		(pt 0 144)
-		(input)
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-		(text "A0" (rect 21 139 37 153)(font "Arial" (font_size 8)))
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-	)
-	(port
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-		(input)
-		(text "A1" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "A1" (rect 21 123 37 137)(font "Arial" (font_size 8)))
-		(line (pt 0 128)(pt 16 128)(line_width 1))
-	)
-	(port
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-		(input)
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-		(text "A2" (rect 21 107 37 121)(font "Arial" (font_size 8)))
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-		(text "A3" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "A3" (rect 21 91 37 105)(font "Arial" (font_size 8)))
-		(line (pt 0 96)(pt 16 96)(line_width 1))
-	)
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-		(input)
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-		(text "A4" (rect 21 75 37 89)(font "Arial" (font_size 8)))
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-		(text "A5" (rect 21 59 37 73)(font "Arial" (font_size 8)))
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-		(text "B1" (rect 21 251 36 265)(font "Arial" (font_size 8)))
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-		(text "B2" (rect 21 235 36 249)(font "Arial" (font_size 8)))
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-		(text "B3" (rect 21 219 36 233)(font "Arial" (font_size 8)))
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-		(text "B4" (rect 21 203 36 217)(font "Arial" (font_size 8)))
-		(line (pt 0 208)(pt 16 208)(line_width 1))
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-		(text "B6" (rect 21 171 36 185)(font "Arial" (font_size 8)))
-		(line (pt 0 176)(pt 16 176)(line_width 1))
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-		(text "B7" (rect 21 155 36 169)(font "Arial" (font_size 8)))
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-	(port
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-		(text "CLR" (rect 0 0 23 14)(font "Arial" (font_size 8)))
-		(text "CLR" (rect 21 283 44 297)(font "Arial" (font_size 8)))
-		(line (pt 0 288)(pt 16 288)(line_width 1))
-	)
-	(port
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-		(input)
-		(text "CP_A" (rect 0 0 31 14)(font "Arial" (font_size 8)))
-		(text "CP_A" (rect 21 299 52 313)(font "Arial" (font_size 8)))
-		(line (pt 0 304)(pt 16 304)(line_width 1))
-	)
-	(port
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-		(input)
-		(text "CP_B" (rect 0 0 30 14)(font "Arial" (font_size 8)))
-		(text "CP_B" (rect 21 315 51 329)(font "Arial" (font_size 8)))
-		(line (pt 0 320)(pt 16 320)(line_width 1))
-	)
-	(port
-		(pt 0 336)
-		(input)
-		(text "CP_Z" (rect 0 0 30 14)(font "Arial" (font_size 8)))
-		(text "CP_Z" (rect 21 331 51 345)(font "Arial" (font_size 8)))
-		(line (pt 0 336)(pt 16 336)(line_width 1))
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-		(text "S1" (rect 0 0 15 14)(font "Arial" (font_size 8)))
-		(text "S1" (rect 21 363 36 377)(font "Arial" (font_size 8)))
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-		(text "S0" (rect 21 379 36 393)(font "Arial" (font_size 8)))
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-		(text "S2" (rect 24 344 39 358)(font "Arial" (font_size 8)))
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-		(text "Q0" (rect 91 139 107 153)(font "Arial" (font_size 8)))
-		(line (pt 128 144)(pt 112 144)(line_width 1))
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-	(port
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-		(output)
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-		(text "Q1" (rect 91 123 107 137)(font "Arial" (font_size 8)))
-		(line (pt 128 128)(pt 112 128)(line_width 1))
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-		(text "Q2" (rect 91 107 107 121)(font "Arial" (font_size 8)))
-		(line (pt 128 112)(pt 112 112)(line_width 1))
-	)
-	(port
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-		(output)
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-		(text "Q3" (rect 91 91 107 105)(font "Arial" (font_size 8)))
-		(line (pt 128 96)(pt 112 96)(line_width 1))
-	)
-	(port
-		(pt 128 80)
-		(output)
-		(text "Q4" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "Q4" (rect 91 75 107 89)(font "Arial" (font_size 8)))
-		(line (pt 128 80)(pt 112 80)(line_width 1))
-	)
-	(port
-		(pt 128 64)
-		(output)
-		(text "Q5" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "Q5" (rect 91 59 107 73)(font "Arial" (font_size 8)))
-		(line (pt 128 64)(pt 112 64)(line_width 1))
-	)
-	(port
-		(pt 128 48)
-		(output)
-		(text "Q6" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "Q6" (rect 91 43 107 57)(font "Arial" (font_size 8)))
-		(line (pt 128 48)(pt 112 48)(line_width 1))
-	)
-	(port
-		(pt 128 32)
-		(output)
-		(text "Q7" (rect 0 0 16 14)(font "Arial" (font_size 8)))
-		(text "Q7" (rect 91 27 107 41)(font "Arial" (font_size 8)))
-		(line (pt 128 32)(pt 112 32)(line_width 1))
-	)
-	(port
-		(pt 128 176)
-		(output)
-		(text "FLG_V" (rect 0 0 40 14)(font "Arial" (font_size 8)))
-		(text "FLG_V" (rect 67 171 107 185)(font "Arial" (font_size 8)))
-		(line (pt 128 176)(pt 112 176)(line_width 1))
-	)
-	(port
-		(pt 128 192)
-		(output)
-		(text "FLG_N" (rect 0 0 38 14)(font "Arial" (font_size 8)))
-		(text "FLG_N" (rect 69 187 107 201)(font "Arial" (font_size 8)))
-		(line (pt 128 192)(pt 112 192)(line_width 1))
-	)
-	(port
-		(pt 128 208)
-		(output)
-		(text "FLG_Z" (rect 0 0 38 14)(font "Arial" (font_size 8)))
-		(text "FLG_Z" (rect 69 203 107 217)(font "Arial" (font_size 8)))
-		(line (pt 128 208)(pt 112 208)(line_width 1))
-	)
-	(port
-		(pt 128 160)
-		(output)
-		(text "FLG_C" (rect 0 0 38 14)(font "Arial" (font_size 8)))
-		(text "FLG_C" (rect 69 155 107 169)(font "Arial" (font_size 8)))
-		(line (pt 128 160)(pt 112 160)(line_width 1))
-	)
-	(drawing
-		(rectangle (rect 16 16 112 400)(line_width 1))
-	)
-)
 (symbol
 	(rect 3160 848 3336 1088)
 	(text "MDR_8b" (rect 5 0 52 14)(font "Arial" (font_size 8)))
@@ -3873,6 +3645,266 @@ applicable agreement for further details.
 		(rectangle (rect 16 16 96 144)(line_width 1))
 	)
 )
+(symbol
+	(rect 1248 1088 1376 1536)
+	(text "ALU_3_in_1" (rect 5 0 74 14)(font "Arial" (font_size 8)))
+	(text "ALU" (rect 8 432 29 444)(font "Arial" ))
+	(port
+		(pt 0 144)
+		(input)
+		(text "A0" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A0" (rect 21 139 37 153)(font "Arial" (font_size 8)))
+		(line (pt 0 144)(pt 16 144)(line_width 1))
+	)
+	(port
+		(pt 0 128)
+		(input)
+		(text "A1" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A1" (rect 21 123 37 137)(font "Arial" (font_size 8)))
+		(line (pt 0 128)(pt 16 128)(line_width 1))
+	)
+	(port
+		(pt 0 112)
+		(input)
+		(text "A2" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A2" (rect 21 107 37 121)(font "Arial" (font_size 8)))
+		(line (pt 0 112)(pt 16 112)(line_width 1))
+	)
+	(port
+		(pt 0 96)
+		(input)
+		(text "A3" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A3" (rect 21 91 37 105)(font "Arial" (font_size 8)))
+		(line (pt 0 96)(pt 16 96)(line_width 1))
+	)
+	(port
+		(pt 0 80)
+		(input)
+		(text "A4" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A4" (rect 21 75 37 89)(font "Arial" (font_size 8)))
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+	(port
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+		(input)
+		(text "A5" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A5" (rect 21 59 37 73)(font "Arial" (font_size 8)))
+		(line (pt 0 64)(pt 16 64)(line_width 1))
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+	(port
+		(pt 0 48)
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+		(text "A6" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A6" (rect 21 43 37 57)(font "Arial" (font_size 8)))
+		(line (pt 0 48)(pt 16 48)(line_width 1))
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+	(port
+		(pt 0 32)
+		(input)
+		(text "A7" (rect 0 0 16 14)(font "Arial" (font_size 8)))
+		(text "A7" (rect 21 27 37 41)(font "Arial" (font_size 8)))
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+	(port
+		(pt 0 272)
+		(input)
+		(text "B0" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B0" (rect 21 267 36 281)(font "Arial" (font_size 8)))
+		(line (pt 0 272)(pt 16 272)(line_width 1))
+	)
+	(port
+		(pt 0 256)
+		(input)
+		(text "B1" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B1" (rect 21 251 36 265)(font "Arial" (font_size 8)))
+		(line (pt 0 256)(pt 16 256)(line_width 1))
+	)
+	(port
+		(pt 0 240)
+		(input)
+		(text "B2" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B2" (rect 21 235 36 249)(font "Arial" (font_size 8)))
+		(line (pt 0 240)(pt 16 240)(line_width 1))
+	)
+	(port
+		(pt 0 224)
+		(input)
+		(text "B3" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B3" (rect 21 219 36 233)(font "Arial" (font_size 8)))
+		(line (pt 0 224)(pt 16 224)(line_width 1))
+	)
+	(port
+		(pt 0 208)
+		(input)
+		(text "B4" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B4" (rect 21 203 36 217)(font "Arial" (font_size 8)))
+		(line (pt 0 208)(pt 16 208)(line_width 1))
+	)
+	(port
+		(pt 0 192)
+		(input)
+		(text "B5" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B5" (rect 21 187 36 201)(font "Arial" (font_size 8)))
+		(line (pt 0 192)(pt 16 192)(line_width 1))
+	)
+	(port
+		(pt 0 176)
+		(input)
+		(text "B6" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B6" (rect 21 171 36 185)(font "Arial" (font_size 8)))
+		(line (pt 0 176)(pt 16 176)(line_width 1))
+	)
+	(port
+		(pt 0 160)
+		(input)
+		(text "B7" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "B7" (rect 21 155 36 169)(font "Arial" (font_size 8)))
+		(line (pt 0 160)(pt 16 160)(line_width 1))
+	)
+	(port
+		(pt 0 288)
+		(input)
+		(text "CLR" (rect 0 0 23 14)(font "Arial" (font_size 8)))
+		(text "CLR" (rect 21 283 44 297)(font "Arial" (font_size 8)))
+		(line (pt 0 288)(pt 16 288)(line_width 1))
+	)
+	(port
+		(pt 0 304)
+		(input)
+		(text "CP_A" (rect 0 0 31 14)(font "Arial" (font_size 8)))
+		(text "CP_A" (rect 21 299 52 313)(font "Arial" (font_size 8)))
+		(line (pt 0 304)(pt 16 304)(line_width 1))
+	)
+	(port
+		(pt 0 320)
+		(input)
+		(text "CP_B" (rect 0 0 30 14)(font "Arial" (font_size 8)))
+		(text "CP_B" (rect 21 315 51 329)(font "Arial" (font_size 8)))
+		(line (pt 0 320)(pt 16 320)(line_width 1))
+	)
+	(port
+		(pt 0 336)
+		(input)
+		(text "CP_Z" (rect 0 0 30 14)(font "Arial" (font_size 8)))
+		(text "CP_Z" (rect 21 331 51 345)(font "Arial" (font_size 8)))
+		(line (pt 0 336)(pt 16 336)(line_width 1))
+	)
+	(port
+		(pt 0 352)
+		(input)
+		(text "CP_PSW" (rect 0 0 49 14)(font "Arial" (font_size 8)))
+		(text "CP_PSW" (rect 21 347 70 361)(font "Arial" (font_size 8)))
+		(line (pt 0 352)(pt 16 352)(line_width 1))
+	)
+	(port
+		(pt 0 368)
+		(input)
+		(text "S1" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "S1" (rect 21 363 36 377)(font "Arial" (font_size 8)))
+		(line (pt 0 368)(pt 16 368)(line_width 1))
+	)
+	(port
+		(pt 0 384)
+		(input)
+		(text "S0" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "S0" (rect 21 379 36 393)(font "Arial" (font_size 8)))
+		(line (pt 0 384)(pt 16 384)(line_width 1))
+	)
+	(port
+		(pt 0 400)
+		(input)
+		(text "S2" (rect 0 0 15 14)(font "Arial" (font_size 8)))
+		(text "S2" (rect 21 395 36 409)(font "Arial" (font_size 8)))
+		(line (pt 0 400)(pt 16 400)(line_width 1))
+	)
+	(port
+		(pt 128 144)
+		(output)
+		(text "Q0" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q0" (rect 91 139 107 153)(font "Arial" (font_size 8)))
+		(line (pt 128 144)(pt 112 144)(line_width 1))
+	)
+	(port
+		(pt 128 128)
+		(output)
+		(text "Q1" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q1" (rect 91 123 107 137)(font "Arial" (font_size 8)))
+		(line (pt 128 128)(pt 112 128)(line_width 1))
+	)
+	(port
+		(pt 128 112)
+		(output)
+		(text "Q2" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q2" (rect 91 107 107 121)(font "Arial" (font_size 8)))
+		(line (pt 128 112)(pt 112 112)(line_width 1))
+	)
+	(port
+		(pt 128 96)
+		(output)
+		(text "Q3" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q3" (rect 91 91 107 105)(font "Arial" (font_size 8)))
+		(line (pt 128 96)(pt 112 96)(line_width 1))
+	)
+	(port
+		(pt 128 80)
+		(output)
+		(text "Q4" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q4" (rect 91 75 107 89)(font "Arial" (font_size 8)))
+		(line (pt 128 80)(pt 112 80)(line_width 1))
+	)
+	(port
+		(pt 128 64)
+		(output)
+		(text "Q5" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q5" (rect 91 59 107 73)(font "Arial" (font_size 8)))
+		(line (pt 128 64)(pt 112 64)(line_width 1))
+	)
+	(port
+		(pt 128 48)
+		(output)
+		(text "Q6" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q6" (rect 91 43 107 57)(font "Arial" (font_size 8)))
+		(line (pt 128 48)(pt 112 48)(line_width 1))
+	)
+	(port
+		(pt 128 32)
+		(output)
+		(text "Q7" (rect -16 0 0 14)(font "Arial" (font_size 8)))
+		(text "Q7" (rect 91 27 107 41)(font "Arial" (font_size 8)))
+		(line (pt 128 32)(pt 112 32)(line_width 1))
+	)
+	(port
+		(pt 128 176)
+		(output)
+		(text "FLG_V" (rect -16 0 24 14)(font "Arial" (font_size 8)))
+		(text "FLG_V" (rect 67 171 107 185)(font "Arial" (font_size 8)))
+		(line (pt 128 176)(pt 112 176)(line_width 1))
+	)
+	(port
+		(pt 128 192)
+		(output)
+		(text "FLG_N" (rect -16 0 22 14)(font "Arial" (font_size 8)))
+		(text "FLG_N" (rect 69 187 107 201)(font "Arial" (font_size 8)))
+		(line (pt 128 192)(pt 112 192)(line_width 1))
+	)
+	(port
+		(pt 128 208)
+		(output)
+		(text "FLG_Z" (rect -16 0 22 14)(font "Arial" (font_size 8)))
+		(text "FLG_Z" (rect 69 203 107 217)(font "Arial" (font_size 8)))
+		(line (pt 128 208)(pt 112 208)(line_width 1))
+	)
+	(port
+		(pt 128 160)
+		(output)
+		(text "FLG_C" (rect -16 0 22 14)(font "Arial" (font_size 8)))
+		(text "FLG_C" (rect 69 155 107 169)(font "Arial" (font_size 8)))
+		(line (pt 128 160)(pt 112 160)(line_width 1))
+	)
+	(drawing
+		(rectangle (rect 16 16 112 432)(line_width 1))
+	)
+)
 (connector
 	(pt 2952 1408)
 	(pt 3016 1408)
@@ -5127,18 +5159,6 @@ applicable agreement for further details.
 	(pt 1248 1408)
 	(color 0 128 0)
 )
-(connector
-	(pt 1248 1456)
-	(pt 1232 1456)
-)
-(connector
-	(pt 1248 1472)
-	(pt 1232 1472)
-)
-(connector
-	(pt 1248 1440)
-	(pt 1232 1440)
-)
 (connector
 	(pt 736 904)
 	(pt 736 688)
@@ -5604,42 +5624,6 @@ applicable agreement for further details.
 	(pt 3160 1776)
 	(pt 3664 1776)
 )
-(connector
-	(pt 2672 1816)
-	(pt 2672 1872)
-)
-(connector
-	(pt 2672 1872)
-	(pt 2664 1872)
-)
-(connector
-	(pt 2680 1832)
-	(pt 2680 1888)
-)
-(connector
-	(pt 2680 1888)
-	(pt 2664 1888)
-)
-(connector
-	(pt 2688 1848)
-	(pt 2688 1904)
-)
-(connector
-	(pt 2688 1904)
-	(pt 2664 1904)
-)
-(connector
-	(pt 2688 1848)
-	(pt 3032 1848)
-)
-(connector
-	(pt 2680 1832)
-	(pt 3032 1832)
-)
-(connector
-	(pt 2672 1816)
-	(pt 3032 1816)
-)
 (connector
 	(pt 3000 1528)
 	(pt 3000 1544)
@@ -6337,6 +6321,34 @@ applicable agreement for further details.
 	(pt 2160 1960)
 	(pt 2176 1960)
 )
+(connector
+	(pt 1248 1472)
+	(pt 1232 1472)
+)
+(connector
+	(pt 1248 1488)
+	(pt 1232 1488)
+)
+(connector
+	(pt 1248 1456)
+	(pt 1232 1456)
+)
+(connector
+	(pt 1232 1440)
+	(pt 1248 1440)
+)
+(connector
+	(pt 3032 1816)
+	(pt 3016 1816)
+)
+(connector
+	(pt 3032 1832)
+	(pt 3016 1832)
+)
+(connector
+	(pt 3032 1848)
+	(pt 3016 1848)
+)
 (junction (pt 2856 1120))
 (junction (pt 2872 1136))
 (junction (pt 2888 1152))
diff --git a/machine_alpha/machine_alpha.qsf b/machine_alpha/machine_alpha.qsf
index 66a9619..d65cf84 100644
--- a/machine_alpha/machine_alpha.qsf
+++ b/machine_alpha/machine_alpha.qsf
@@ -178,4 +178,5 @@ set_location_assignment PIN_39 -to Rj_3
 set_location_assignment PIN_40 -to Rj_4
 set_location_assignment PIN_41 -to Rj_5
 set_location_assignment PIN_43 -to Rj_6
-set_location_assignment PIN_44 -to Rj_7
\ No newline at end of file
+set_location_assignment PIN_44 -to Rj_7
+set_location_assignment PIN_94 -to uIR3
\ No newline at end of file