diff --git a/microprogram_ram/microprogram_ram.bdf b/microprogram_ram/microprogram_ram.bdf
index 3549709..5daa4d5 100644
--- a/microprogram_ram/microprogram_ram.bdf
+++ b/microprogram_ram/microprogram_ram.bdf
@@ -214,7 +214,7 @@ applicable agreement for further details.
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 	(pt 176 8)
@@ -231,7 +231,7 @@ applicable agreement for further details.
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 (pin
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 	(pt 176 8)
@@ -248,7 +248,7 @@ applicable agreement for further details.
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 (pin
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+	(rect 368 496 544 512)
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 	(pt 176 8)
@@ -265,7 +265,7 @@ applicable agreement for further details.
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 (pin
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-	(rect 328 480 504 496)
+	(rect 368 480 544 496)
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@@ -282,7 +282,7 @@ applicable agreement for further details.
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 (pin
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@@ -299,7 +299,7 @@ applicable agreement for further details.
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 (pin
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@@ -316,7 +316,7 @@ applicable agreement for further details.
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 	(pt 176 8)
@@ -333,7 +333,7 @@ applicable agreement for further details.
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+	(rect 368 416 544 432)
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 	(text "A7" (rect 5 0 17 12)(font "Arial" ))
 	(pt 176 8)
@@ -518,7 +518,7 @@ applicable agreement for further details.
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 (pin
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+	(rect 160 288 336 304)
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 	(text "CP_uIR" (rect 90 0 128 12)(font "Arial" ))
 	(pt 0 8)
@@ -534,7 +534,7 @@ applicable agreement for further details.
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 (pin
 	(output)
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+	(rect 160 320 336 336)
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 	(text "uRDN" (rect 90 0 120 12)(font "Arial" ))
 	(pt 0 8)
@@ -726,7 +726,7 @@ applicable agreement for further details.
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 (symbol
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+	(rect 224 416 288 464)
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 	(text "inst14" (rect 3 37 32 49)(font "Arial" ))
 	(port
@@ -758,7 +758,7 @@ applicable agreement for further details.
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 (symbol
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+	(rect 224 464 288 512)
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 	(text "inst15" (rect 3 37 32 49)(font "Arial" ))
 	(port
@@ -790,7 +790,7 @@ applicable agreement for further details.
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 (symbol
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+	(rect 224 512 288 560)
 	(text "AND2" (rect 1 0 25 10)(font "Arial" (font_size 6)))
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 	(port
@@ -1656,10 +1656,85 @@ applicable agreement for further details.
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 	(flipy)
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+(symbol
+	(rect 160 432 208 464)
+	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
+	(text "inst20" (rect 3 21 32 33)(font "Arial" ))
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+		(pt 0 16)
+		(input)
+		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
+		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
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 	(rect 32 240 128 368)
 	(text "start_circuit" (rect 5 0 72 14)(font "Arial" (font_size 8)))
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+	(text "CK_2xSlower" (rect 8 112 72 124)(font "Arial" ))
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@@ -2019,22 +2022,6 @@ applicable agreement for further details.
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@@ -2363,14 +2318,6 @@ applicable agreement for further details.
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@@ -2491,14 +2422,6 @@ applicable agreement for further details.
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@@ -2532,8 +2455,164 @@ applicable agreement for further details.
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@@ -2571,6 +2650,14 @@ applicable agreement for further details.
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@@ -2607,6 +2694,6 @@ applicable agreement for further details.
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