diff --git a/memory_pgm.kicad_sch b/memory_pgm.kicad_sch
index 1e7afd8..1143139 100644
--- a/memory_pgm.kicad_sch
+++ b/memory_pgm.kicad_sch
@@ -1,4 +1,4 @@
-(kicad_sch (version 20211123) (generator eeschema)
+(kicad_sch (version 20230121) (generator eeschema)
 
   (uuid 8926acd8-fb2e-4446-b245-bd474fa2d387)
 
@@ -12,28 +12,28 @@
 
   (lib_symbols
     (symbol "74xx:74LS243" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 11.43 0)
+      (property "Reference" "U" (at -7.62 11.43 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "74LS243" (id 1) (at -7.62 -11.43 0)
+      (property "Value" "74LS243" (at -7.62 -11.43 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS243" (id 3) (at 0 0 0)
+      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS243" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_locked" "" (id 4) (at 0 0 0)
+      (property "ki_locked" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "ki_keywords" "TTL Buffer 3State BUS BIDI" (id 5) (at 0 0 0)
+      (property "ki_keywords" "TTL Buffer 3State BUS BIDI" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "4-bit Bus Tranceiver" (id 6) (at 0 0 0)
+      (property "ki_description" "4-bit Bus Tranceiver" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP?12*" (id 7) (at 0 0 0)
+      (property "ki_fp_filters" "DIP?12*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74LS243_1_0"
@@ -88,48 +88,48 @@
       )
       (symbol "74LS243_1_1"
         (rectangle (start -7.62 10.16) (end 7.62 -10.16)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
     )
     (symbol "Connector_Generic:Conn_01x03" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
-      (property "Reference" "J" (id 0) (at 0 5.08 0)
+      (property "Reference" "J" (at 0 5.08 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "Conn_01x03" (id 1) (at 0 -5.08 0)
+      (property "Value" "Conn_01x03" (at 0 -5.08 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "~" (id 3) (at 0 0 0)
+      (property "Datasheet" "~" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "connector" (id 4) (at 0 0 0)
+      (property "ki_keywords" "connector" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
+      (property "ki_description" "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "Connector*:*_1x??_*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "Connector*:*_1x??_*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
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         (rectangle (start -1.27 -2.413) (end 0 -2.667)
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+          (stroke (width 0.1524) (type default))
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+          (stroke (width 0.1524) (type default))
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         (rectangle (start -1.27 2.667) (end 0 2.413)
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+          (stroke (width 0.254) (type default))
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         (pin passive line (at -5.08 2.54 0) (length 3.81)
@@ -147,22 +147,22 @@
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         (effects (font (size 1.27 1.27)) (justify left))
       )
-      (property "Value" "Q_NPN_BEC" (id 1) (at 5.08 -1.27 0)
+      (property "Value" "Q_NPN_BEC" (at 5.08 -1.27 0)
         (effects (font (size 1.27 1.27)) (justify left))
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-      (property "Footprint" "" (id 2) (at 5.08 2.54 0)
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         (effects (font (size 1.27 1.27)) hide)
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-      (property "Datasheet" "~" (id 3) (at 0 0 0)
+      (property "Datasheet" "~" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "transistor NPN" (id 4) (at 0 0 0)
+      (property "ki_keywords" "transistor NPN" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "NPN transistor, base/emitter/collector" (id 5) (at 0 0 0)
+      (property "ki_description" "NPN transistor, base/emitter/collector" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
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       (symbol "Q_NPN_BEC_0_1"
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             (xy 1.27 -1.778)
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+          (stroke (width 0) (type default))
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+          (stroke (width 0.254) (type default))
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@@ -224,25 +224,25 @@
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-      (property "Reference" "R" (id 0) (at 0.762 0.508 0)
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         (effects (font (size 1.27 1.27)) (justify left))
       )
-      (property "Value" "R_Small_US" (id 1) (at 0.762 -1.016 0)
+      (property "Value" "R_Small_US" (at 0.762 -1.016 0)
         (effects (font (size 1.27 1.27)) (justify left))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
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-      (property "Datasheet" "~" (id 3) (at 0 0 0)
+      (property "Datasheet" "~" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "r resistor" (id 4) (at 0 0 0)
+      (property "ki_keywords" "r resistor" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "Resistor, small US symbol" (id 5) (at 0 0 0)
+      (property "ki_description" "Resistor, small US symbol" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "R_*" (at 0 0 0)
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@@ -254,7 +254,7 @@
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@@ -279,25 +279,25 @@
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         (effects (font (size 1.27 1.27)))
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-      (property "Footprint" "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" (id 2) (at 0 -4.445 0)
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-      (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 0 0 0)
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-      (property "ki_description" "100V 0.15A standard switching diode, DO-35" (id 5) (at 0 0 0)
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         (effects (font (size 1.27 1.27)) hide)
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-      (property "ki_fp_filters" "D*DO?35*" (id 6) (at 0 0 0)
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@@ -306,7 +306,7 @@
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@@ -340,30 +340,30 @@
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@@ -483,30 +483,30 @@
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 109.855 54.61 0)
+    (property "Datasheet" "" (at 109.855 54.61 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 5f05f502-7108-4c0b-a1fa-6324a9baaa09))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e/2a13a5dd-7c2a-4eec-b51e-afcb62656758"
+          (reference "#PWR0111") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "Diode:1N4148") (at 141.605 55.88 180) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid fff3b19d-fc30-4952-8688-a5fd6220e4f0)
-    (property "Reference" "D3" (id 0) (at 141.605 50.9102 0))
-    (property "Value" "1N4148" (id 1) (at 141.605 53.4471 0))
-    (property "Footprint" "Diode_SMD:D_0805_2012Metric" (id 2) (at 141.605 51.435 0)
+    (property "Reference" "D3" (at 141.605 50.9102 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "1N4148" (at 141.605 53.4471 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "Diode_SMD:D_0805_2012Metric" (at 141.605 51.435 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 141.605 55.88 0)
+    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (at 141.605 55.88 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid ffca22ba-c12f-4fa7-a600-e4e9ce497068))
     (pin "2" (uuid 911eba8f-7401-4308-8d5b-5b5fecf2f619))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e/2a13a5dd-7c2a-4eec-b51e-afcb62656758"
+          (reference "D3") (unit 1)
+        )
+      )
+    )
   )
 )
diff --git a/ram_rom-MemoryPgm.pdf b/ram_rom-MemoryPgm.pdf
deleted file mode 100644
index 0b183d9..0000000
Binary files a/ram_rom-MemoryPgm.pdf and /dev/null differ
diff --git a/ram_rom.kicad_pro b/ram_rom.kicad_pro
index 11130a9..9c7d8cc 100644
--- a/ram_rom.kicad_pro
+++ b/ram_rom.kicad_pro
@@ -1,5 +1,6 @@
 {
   "board": {
+    "3dviewports": [],
     "design_settings": {
       "defaults": {
         "board_outline_line_width": 0.049999999999999996,
@@ -116,7 +117,8 @@
       "zones_allow_external_fillets": false,
       "zones_use_no_outline": true
     },
-    "layer_presets": []
+    "layer_presets": [],
+    "viewports": []
   },
   "boards": [],
   "cvpcb": {
@@ -300,18 +302,23 @@
     "rule_severities": {
       "bus_definition_conflict": "error",
       "bus_entry_needed": "error",
-      "bus_label_syntax": "error",
       "bus_to_bus_conflict": "error",
       "bus_to_net_conflict": "error",
+      "conflicting_netclasses": "error",
       "different_unit_footprint": "error",
       "different_unit_net": "error",
       "duplicate_reference": "error",
       "duplicate_sheet_names": "error",
+      "endpoint_off_grid": "warning",
       "extra_units": "error",
       "global_label_dangling": "warning",
       "hier_label_mismatch": "error",
       "label_dangling": "error",
       "lib_symbol_issues": "warning",
+      "missing_bidi_pin": "warning",
+      "missing_input_pin": "warning",
+      "missing_power_pin": "error",
+      "missing_unit": "warning",
       "multiple_net_names": "warning",
       "net_not_bus_member": "warning",
       "no_connect_connected": "warning",
@@ -321,6 +328,7 @@
       "pin_to_pin": "warning",
       "power_pin_not_driven": "error",
       "similar_labels": "warning",
+      "simulation_model_issue": "ignore",
       "unannotated": "error",
       "unit_value_mismatch": "error",
       "unresolved_variable": "error",
@@ -338,7 +346,7 @@
   "net_settings": {
     "classes": [
       {
-        "bus_width": 12.0,
+        "bus_width": 12,
         "clearance": 0.2,
         "diff_pair_gap": 0.25,
         "diff_pair_via_gap": 0.25,
@@ -352,13 +360,15 @@
         "track_width": 0.25,
         "via_diameter": 0.8,
         "via_drill": 0.4,
-        "wire_width": 6.0
+        "wire_width": 6
       }
     ],
     "meta": {
-      "version": 2
+      "version": 3
     },
-    "net_colors": null
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
   },
   "pcbnew": {
     "last_paths": {
@@ -374,6 +384,8 @@
   "schematic": {
     "annotate_start_num": 0,
     "drawing": {
+      "dashed_lines_dash_length_ratio": 12.0,
+      "dashed_lines_gap_length_ratio": 3.0,
       "default_line_thickness": 6.0,
       "default_text_size": 50.0,
       "field_names": [],
@@ -405,7 +417,11 @@
     "page_layout_descr_file": "",
     "plot_directory": "",
     "spice_adjust_passive_values": false,
+    "spice_current_sheet_as_root": false,
     "spice_external_command": "spice \"%I\"",
+    "spice_model_current_sheet_as_root": true,
+    "spice_save_all_currents": false,
+    "spice_save_all_voltages": false,
     "subpart_first_id": 65,
     "subpart_id_separator": 0
   },
diff --git a/ram_rom.kicad_sch b/ram_rom.kicad_sch
index 30c7b98..338adcf 100644
--- a/ram_rom.kicad_sch
+++ b/ram_rom.kicad_sch
@@ -1,4 +1,4 @@
-(kicad_sch (version 20211123) (generator eeschema)
+(kicad_sch (version 20230121) (generator eeschema)
 
   (uuid a3def0ed-1588-4d37-99a4-ee2ea7eaa32e)
 
@@ -12,30 +12,30 @@
 
   (lib_symbols
     (symbol "74xx:74HC237" (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 13.97 0)
+      (property "Reference" "U" (at -7.62 13.97 0)
         (effects (font (size 1.27 1.27)) (justify left bottom))
       )
-      (property "Value" "74HC237" (id 1) (at 2.54 -11.43 0)
+      (property "Value" "74HC237" (at 2.54 -11.43 0)
         (effects (font (size 1.27 1.27)) (justify left top))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (id 3) (at 0 0 0)
+      (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "demux" (id 4) (at 0 0 0)
+      (property "ki_keywords" "demux" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "3-to-8 line decoder/multiplexer with address latches, DIP-16/SOIC-16/SSOP-16" (id 5) (at 0 0 0)
+      (property "ki_description" "3-to-8 line decoder/multiplexer with address latches, DIP-16/SOIC-16/SSOP-16" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP*W7.62mm* SOIC*3.9x9.9mm*P1.27mm* SSOP*5.3x6.2mm*P0.65mm*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "DIP*W7.62mm* SOIC*3.9x9.9mm*P1.27mm* SSOP*5.3x6.2mm*P0.65mm*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74HC237_0_1"
         (rectangle (start -7.62 12.7) (end 7.62 -10.16)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
@@ -107,25 +107,25 @@
       )
     )
     (symbol "74xx:74HC373" (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 16.51 0)
+      (property "Reference" "U" (at -7.62 16.51 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "74HC373" (id 1) (at -7.62 -16.51 0)
+      (property "Value" "74HC373" (at -7.62 -16.51 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc373.pdf" (id 3) (at 0 0 0)
+      (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc373.pdf" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "HCMOS REG DFF DFF8 LATCH" (id 4) (at 0 0 0)
+      (property "ki_keywords" "HCMOS REG DFF DFF8 LATCH" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "8-bit Latch, 3-state outputs" (id 5) (at 0 0 0)
+      (property "ki_description" "8-bit Latch, 3-state outputs" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP?20* SOIC?20* SO?20* SSOP?20* TSSOP?20*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "DIP?20* SOIC?20* SO?20* SSOP?20* TSSOP?20*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74HC373_1_0"
@@ -212,31 +212,31 @@
       )
       (symbol "74HC373_1_1"
         (rectangle (start -7.62 15.24) (end 7.62 -15.24)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
     )
     (symbol "74xx:74HC688" (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 26.67 0)
+      (property "Reference" "U" (at -7.62 26.67 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "74HC688" (id 1) (at -7.62 -26.67 0)
+      (property "Value" "74HC688" (at -7.62 -26.67 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc688.pdf" (id 3) (at 0 0 0)
+      (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc688.pdf" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "HCMOS DECOD Arith" (id 4) (at 0 0 0)
+      (property "ki_keywords" "HCMOS DECOD Arith" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "8-bit magnitude comparator" (id 5) (at 0 0 0)
+      (property "ki_description" "8-bit magnitude comparator" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP?20* SOIC?20* SO?20* TSSOP?20*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "DIP?20* SOIC?20* SO?20* TSSOP?20*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74HC688_1_0"
@@ -323,34 +323,34 @@
       )
       (symbol "74HC688_1_1"
         (rectangle (start -7.62 25.4) (end 7.62 -25.4)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
     )
     (symbol "74xx:74LS245" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 16.51 0)
+      (property "Reference" "U" (at -7.62 16.51 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "74LS245" (id 1) (at -7.62 -16.51 0)
+      (property "Value" "74LS245" (at -7.62 -16.51 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS245" (id 3) (at 0 0 0)
+      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS245" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_locked" "" (id 4) (at 0 0 0)
+      (property "ki_locked" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "ki_keywords" "TTL BUS 3State" (id 5) (at 0 0 0)
+      (property "ki_keywords" "TTL BUS 3State" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "Octal BUS Transceivers, 3-State outputs" (id 6) (at 0 0 0)
+      (property "ki_description" "Octal BUS Transceivers, 3-State outputs" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP?20*" (id 7) (at 0 0 0)
+      (property "ki_fp_filters" "DIP?20*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74LS245_1_0"
@@ -360,7 +360,7 @@
             (xy -0.635 1.27)
             (xy 0.635 1.27)
           )
-          (stroke (width 0) (type default) (color 0 0 0 0))
+          (stroke (width 0) (type default))
           (fill (type none))
         )
         (polyline
@@ -370,7 +370,7 @@
             (xy 0.635 1.27)
             (xy 1.27 1.27)
           )
-          (stroke (width 0) (type default) (color 0 0 0 0))
+          (stroke (width 0) (type default))
           (fill (type none))
         )
         (pin input line (at -12.7 -10.16 0) (length 5.08)
@@ -456,34 +456,34 @@
       )
       (symbol "74LS245_1_1"
         (rectangle (start -7.62 15.24) (end 7.62 -15.24)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
     )
     (symbol "74xx:74LS85" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -7.62 13.97 0)
+      (property "Reference" "U" (at -7.62 13.97 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "74LS85" (id 1) (at -7.62 -13.97 0)
+      (property "Value" "74LS85" (at -7.62 -13.97 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS85" (id 3) (at 0 0 0)
+      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS85" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_locked" "" (id 4) (at 0 0 0)
+      (property "ki_locked" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "ki_keywords" "TTL COMP ARITH" (id 5) (at 0 0 0)
+      (property "ki_keywords" "TTL COMP ARITH" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "4-bit Comparator" (id 6) (at 0 0 0)
+      (property "ki_description" "4-bit Comparator" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP?16*" (id 7) (at 0 0 0)
+      (property "ki_fp_filters" "DIP?16*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "74LS85_1_0"
@@ -554,31 +554,31 @@
       )
       (symbol "74LS85_1_1"
         (rectangle (start -7.62 12.7) (end 7.62 -12.7)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
     )
     (symbol "Logic_Programmable:GAL16V8" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
-      (property "Reference" "U" (id 0) (at -8.89 16.51 0)
+      (property "Reference" "U" (at -8.89 16.51 0)
         (effects (font (size 1.27 1.27)) (justify left))
       )
-      (property "Value" "GAL16V8" (id 1) (at 1.27 16.51 0)
+      (property "Value" "GAL16V8" (at 1.27 16.51 0)
         (effects (font (size 1.27 1.27)) (justify left))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "" (id 3) (at 0 0 0)
+      (property "Datasheet" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "GAL PLD 16V8" (id 4) (at 0 0 0)
+      (property "ki_keywords" "GAL PLD 16V8" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "Programmable Logic Array, DIP-20/SOIC-20/PLCC-20" (id 5) (at 0 0 0)
+      (property "ki_description" "Programmable Logic Array, DIP-20/SOIC-20/PLCC-20" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "DIP* PDIP* SOIC* SO* PLCC*" (id 6) (at 0 0 0)
+      (property "ki_fp_filters" "DIP* PDIP* SOIC* SO* PLCC*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "GAL16V8_0_0"
@@ -593,7 +593,7 @@
       )
       (symbol "GAL16V8_0_1"
         (rectangle (start -8.89 13.97) (end 8.89 -13.97)
-          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (stroke (width 0.254) (type default))
           (fill (type background))
         )
       )
@@ -673,24 +673,24 @@
       )
     )
     (symbol "parts:Bus" (in_bom yes) (on_board yes)
-      (property "Reference" "J4" (id 0) (at 0 66.04 0)
+      (property "Reference" "J4" (at 0 66.04 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Value" "Bus" (id 1) (at 0 63.5 0)
+      (property "Value" "Bus" (at 0 63.5 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "536366-6:TE_536366-6" (id 2) (at 1.27 68.58 0)
+      (property "Footprint" "536366-6:TE_536366-6" (at 1.27 68.58 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "" (id 3) (at 1.27 54.61 0)
+      (property "Datasheet" "" (at 1.27 54.61 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_fp_filters" "*PCIexpress*" (id 4) (at 0 0 0)
+      (property "ki_fp_filters" "*PCIexpress*" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "Bus_0_1"
         (rectangle (start -5.08 62.23) (end 5.08 -83.82)
-          (stroke (width 0.1524) (type default) (color 0 0 0 0))
+          (stroke (width 0.1524) (type default))
           (fill (type background))
         )
       )
@@ -970,22 +970,22 @@
       )
     )
     (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
-      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0)
+      (property "Reference" "#PWR" (at 0 -6.35 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Value" "GND" (id 1) (at 0 -3.81 0)
+      (property "Value" "GND" (at 0 -3.81 0)
         (effects (font (size 1.27 1.27)))
       )
-      (property "Footprint" "" (id 2) (at 0 0 0)
+      (property "Footprint" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "Datasheet" "" (id 3) (at 0 0 0)
+      (property "Datasheet" "" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
+      (property "ki_keywords" "power-flag" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
-      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (id 5) (at 0 0 0)
+      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (at 0 0 0)
         (effects (font (size 1.27 1.27)) hide)
       )
       (symbol "GND_0_1"
@@ -998,7 +998,7 @@
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     (uuid fca162c5-49a7-4ae5-a6ad-c5b76711af68)
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     (uuid fe6c14e3-6e97-46ee-91aa-49945e877511)
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   (symbol (lib_id "power:GND") (at 130.81 82.55 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 02bded2a-f720-4ef0-9eff-5b11f8e308f6)
-    (property "Reference" "#PWR017" (id 0) (at 130.81 88.9 0)
+    (property "Reference" "#PWR017" (at 130.81 88.9 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 130.81 86.9934 0))
-    (property "Footprint" "" (id 2) (at 130.81 82.55 0)
+    (property "Value" "GND" (at 130.81 86.9934 0)
+      (effects (font (size 1.27 1.27)))
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+    (property "Footprint" "" (at 130.81 82.55 0)
       (effects (font (size 1.27 1.27)) hide)
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+    (property "Datasheet" "" (at 130.81 82.55 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid e5bf782c-ff7e-4ac7-bb8f-61ef9eece423))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR017") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "74xx:74LS85") (at 209.55 41.91 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 02c22ee1-0987-42b6-8f7f-72910a486730)
-    (property "Reference" "U3" (id 0) (at 210.0706 25.5102 0)
+    (property "Reference" "U3" (at 210.0706 25.5102 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "74LS85" (id 1) (at 210.0706 28.0471 0)
+    (property "Value" "74LS85" (at 210.0706 28.0471 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "Package_SO:TSSOP-16_4.4x5mm_P0.65mm" (id 2) (at 209.55 41.91 0)
+    (property "Footprint" "Package_SO:TSSOP-16_4.4x5mm_P0.65mm" (at 209.55 41.91 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS85" (id 3) (at 209.55 41.91 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS85" (at 209.55 41.91 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 4498c9f5-98f1-487d-8f28-de5bb02d56e3))
@@ -2015,105 +2024,153 @@
     (pin "7" (uuid a39d845a-b56b-4e2e-b42d-4461c605268b))
     (pin "8" (uuid 467dde1e-50f9-4dff-818c-4156d3c893bd))
     (pin "9" (uuid 6b62f7f3-3ad9-4f9e-b719-00967f52c80f))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U3") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "power:VCC") (at 224.79 35.56 270) (mirror x) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 0ebd35b9-8790-4935-803c-4725b36844c7)
-    (property "Reference" "#PWR08" (id 0) (at 220.98 35.56 0)
+    (property "Reference" "#PWR08" (at 220.98 35.56 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 227.965 35.9938 90)
+    (property "Value" "VCC" (at 227.965 35.9938 90)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "" (id 2) (at 224.79 35.56 0)
+    (property "Footprint" "" (at 224.79 35.56 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 224.79 35.56 0)
+    (property "Datasheet" "" (at 224.79 35.56 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid ead850de-8a4d-44bd-9a76-71287a7fc8af))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR08") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "power:VCC") (at 209.55 137.16 180) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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   (symbol (lib_id "power:GND") (at 104.14 62.23 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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       (effects (font (size 1.27 1.27)) hide)
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   (symbol (lib_id "74xx:74HC237") (at 209.55 85.09 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 29ad5001-b1c2-41d6-a8e7-e098f15522c5)
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+    (property "Reference" "U5" (at 210.0706 68.6902 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "74HC237" (id 1) (at 210.0706 71.2271 0)
+    (property "Value" "74HC237" (at 210.0706 71.2271 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" (id 2) (at 209.55 85.09 0)
+    (property "Footprint" "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" (at 209.55 85.09 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (id 3) (at 209.55 85.09 0)
+    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (at 209.55 85.09 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid af38e036-be36-4390-91c3-82f3199b769f))
@@ -2132,51 +2189,78 @@
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     (pin "8" (uuid 05a9c6a7-530e-4a9d-aa4d-8260f2987072))
     (pin "9" (uuid 68501581-e791-40db-ba09-df302931c88b))
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+          (reference "U5") (unit 1)
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   (symbol (lib_id "power:VCC") (at 130.81 93.98 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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+    (property "Reference" "#PWR021" (at 130.81 97.79 0)
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-    (property "Value" "VCC" (id 1) (at 130.81 90.4042 0))
-    (property "Footprint" "" (id 2) (at 130.81 93.98 0)
+    (property "Value" "VCC" (at 130.81 90.4042 0)
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+    (property "Footprint" "" (at 130.81 93.98 0)
       (effects (font (size 1.27 1.27)) hide)
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+    (property "Datasheet" "" (at 130.81 93.98 0)
       (effects (font (size 1.27 1.27)) hide)
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     (pin "1" (uuid 39d12c85-34d3-4f10-8533-753431ed7d95))
+    (instances
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+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR021") (unit 1)
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   (symbol (lib_id "power:GND") (at 259.08 68.58 90) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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+    (property "Value" "GND" (at 262.255 69.0138 90)
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-    (property "Footprint" "" (id 2) (at 259.08 68.58 0)
+    (property "Footprint" "" (at 259.08 68.58 0)
       (effects (font (size 1.27 1.27)) hide)
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       (effects (font (size 1.27 1.27)) hide)
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     (pin "1" (uuid b5473b5e-a2ef-4744-ba1f-87b903844fca))
+    (instances
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-    (in_bom yes) (on_board yes)
+    (in_bom yes) (on_board yes) (dnp no)
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-    (property "Footprint" "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" (id 2) (at 130.81 124.46 0)
+    (property "Reference" "U8" (at 135.89 95.25 0)
+      (effects (font (size 1.27 1.27)))
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+    (property "Value" "74HC688" (at 135.89 97.79 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" (at 130.81 124.46 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc688.pdf" (id 3) (at 130.81 124.46 0)
+    (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc688.pdf" (at 130.81 124.46 0)
       (effects (font (size 1.27 1.27)) hide)
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@@ -2199,37 +2283,53 @@
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     (pin "8" (uuid 5d903754-390c-4b07-b733-e26952365dcb))
     (pin "9" (uuid 7eb42172-9316-4aa9-b9bd-2b1bdbf0a91b))
+    (instances
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+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U8") (unit 1)
+        )
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+    )
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   (symbol (lib_id "power:VCC") (at 44.45 21.59 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 48cd3dab-0648-4b1e-86d2-20093de75852)
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+    (property "Reference" "#PWR03" (at 44.45 25.4 0)
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     )
-    (property "Value" "VCC" (id 1) (at 44.45 18.0142 0))
-    (property "Footprint" "" (id 2) (at 44.45 21.59 0)
+    (property "Value" "VCC" (at 44.45 18.0142 0)
+      (effects (font (size 1.27 1.27)))
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+    (property "Footprint" "" (at 44.45 21.59 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 44.45 21.59 0)
+    (property "Datasheet" "" (at 44.45 21.59 0)
       (effects (font (size 1.27 1.27)) hide)
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     (pin "1" (uuid 771ec82f-1a46-4f5a-abf7-afd26e780907))
+    (instances
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+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR03") (unit 1)
+        )
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   (symbol (lib_id "74xx:74HC373") (at 104.14 114.3 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 49d57f5a-470a-488b-86bc-93548d6d3852)
-    (property "Reference" "U7" (id 0) (at 106.1594 95.3602 0)
+    (property "Reference" "U7" (at 106.1594 95.3602 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "74HC373" (id 1) (at 106.1594 97.8971 0)
+    (property "Value" "74HC373" (at 106.1594 97.8971 0)
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     )
-    (property "Footprint" "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" (id 2) (at 104.14 114.3 0)
+    (property "Footprint" "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" (at 104.14 114.3 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc373.pdf" (id 3) (at 104.14 114.3 0)
+    (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc373.pdf" (at 104.14 114.3 0)
       (effects (font (size 1.27 1.27)) hide)
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     (pin "1" (uuid fc46d979-bed5-491c-9a88-22ca05a6fe7f))
@@ -2252,21 +2352,28 @@
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     (pin "8" (uuid 899cf209-2c44-4ddb-b837-ce162055846a))
     (pin "9" (uuid e225499c-dfbc-43a5-8002-93d0ffce78f3))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U7") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "parts:Bus") (at 248.92 82.55 0) (unit 1)
-    (in_bom yes) (on_board yes)
+    (in_bom yes) (on_board yes) (dnp no)
     (uuid 50302b08-ff13-40f7-b041-a75c20dd9413)
-    (property "Reference" "J1" (id 0) (at 248.92 16.51 0)
+    (property "Reference" "J1" (at 248.92 16.51 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "Bus" (id 1) (at 247.65 19.05 0)
+    (property "Value" "Bus" (at 247.65 19.05 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "536366-6:TE_536366-6" (id 2) (at 259.08 25.4 0)
+    (property "Footprint" "536366-6:TE_536366-6" (at 259.08 25.4 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "" (id 3) (at 246.38 40.64 0)
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     (pin "A1" (uuid d0b9e0d3-aaf1-44e1-8da9-cd554ee499d0))
@@ -2337,125 +2444,178 @@
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     (pin "C6" (uuid 6008868d-f01c-4a18-a5ba-864085e6f794))
     (pin "C7" (uuid deb5c1e7-689d-4e70-9aab-41c414c25197))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "J1") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "power:VCC") (at 219.71 124.46 270) (unit 1)
-    (in_bom yes) (on_board yes)
+    (in_bom yes) (on_board yes) (dnp no)
     (uuid 5329c738-feaf-45c4-99fb-caff1af76dff)
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+    (property "Reference" "#PWR026" (at 215.9 124.46 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 222.885 124.8938 90)
+    (property "Value" "VCC" (at 222.885 124.8938 90)
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-    (property "Datasheet" "" (id 3) (at 219.71 124.46 0)
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     (pin "1" (uuid 22f6b7ee-25e2-41a6-9de4-9a387d1ea1b8))
+    (instances
+      (project "ram_rom"
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+          (reference "#PWR026") (unit 1)
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   (symbol (lib_id "power:VCC") (at 219.71 85.09 270) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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     (pin "1" (uuid 6a1bc582-fb26-43e9-8b65-01cc6416b52f))
+    (instances
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+          (reference "#PWR018") (unit 1)
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   (symbol (lib_id "power:VCC") (at 209.55 69.85 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
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   (symbol (lib_id "power:VCC") (at 31.75 29.21 90) (unit 1)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 28.575 29.6438 90)
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       (effects (font (size 1.27 1.27)) (justify left))
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       (effects (font (size 1.27 1.27)) hide)
     )
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       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 880d0dc0-6045-4c5a-812d-ab8e47040081))
+    (instances
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+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR05") (unit 1)
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   (symbol (lib_id "power:VCC") (at 29.21 52.07 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 608fca15-0370-46cc-87e5-9346b3b3684d)
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     )
-    (property "Value" "VCC" (id 1) (at 29.21 48.4942 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 08ae40ac-bfec-480a-a86a-5d529a1c99f9))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR011") (unit 1)
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   (symbol (lib_id "power:GND") (at 196.85 34.29 270) (mirror x) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 67879a4a-32ec-4156-92cb-e8aace591c10)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 193.675 34.7238 90)
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       (effects (font (size 1.27 1.27)) (justify right))
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-    (property "Footprint" "" (id 2) (at 196.85 34.29 0)
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       (effects (font (size 1.27 1.27)) hide)
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       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid a7fe4984-a852-4e3d-967f-c97e6e9c71a4))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR07") (unit 1)
+        )
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   (symbol (lib_id "74xx:74HC237") (at 209.55 124.46 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 6b9fcd17-acd3-496e-93c0-21b6c0cdc592)
-    (property "Reference" "U9" (id 0) (at 210.0706 108.0602 0)
+    (property "Reference" "U9" (at 210.0706 108.0602 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "74HC237" (id 1) (at 210.0706 110.5971 0)
+    (property "Value" "74HC237" (at 210.0706 110.5971 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" (id 2) (at 209.55 124.46 0)
+    (property "Footprint" "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" (at 209.55 124.46 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (id 3) (at 209.55 124.46 0)
+    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" (at 209.55 124.46 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 0c1ac7ac-36cf-46a0-880b-8d0b894ec5d8))
@@ -2474,37 +2634,53 @@
     (pin "7" (uuid 4086be3b-8da6-4c43-a8d5-b743dd39ebd3))
     (pin "8" (uuid 0b7884cb-eb1f-45cf-a409-8e19b0d2f268))
     (pin "9" (uuid 3f374bea-e9af-4de3-bc96-00f8159317bf))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U9") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "power:GND") (at 209.55 59.69 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 6c4b18c2-391f-42a7-917d-384f164ecc94)
-    (property "Reference" "#PWR014" (id 0) (at 209.55 66.04 0)
+    (property "Reference" "#PWR014" (at 209.55 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 209.55 64.1334 0))
-    (property "Footprint" "" (id 2) (at 209.55 59.69 0)
+    (property "Value" "GND" (at 209.55 64.1334 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 209.55 59.69 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 209.55 59.69 0)
+    (property "Datasheet" "" (at 209.55 59.69 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 82a91b47-7832-4146-82e7-3542f5775cb8))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR014") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "Logic_Programmable:GAL16V8") (at 166.37 144.78 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 739986fc-3842-47b1-8eff-71ad0e83c820)
-    (property "Reference" "U6" (id 0) (at 168.3894 127.1102 0)
+    (property "Reference" "U6" (at 168.3894 127.1102 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "GAL16V8" (id 1) (at 168.3894 129.6471 0)
+    (property "Value" "GAL16V8" (at 168.3894 129.6471 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_LCC:PLCC-20_SMD-Socket" (id 2) (at 166.37 144.78 0)
+    (property "Footprint" "Package_LCC:PLCC-20_SMD-Socket" (at 166.37 144.78 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 166.37 144.78 0)
+    (property "Datasheet" "" (at 166.37 144.78 0)
       (effects (font (size 1.27 1.27)) hide)
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     (pin "10" (uuid b4752332-1c5a-4ef3-b1cc-92d940946ee2))
@@ -2527,89 +2703,128 @@
     (pin "7" (uuid de59a796-5cdb-4b76-a12d-81fd3e0d7563))
     (pin "8" (uuid 807a197c-b48b-49c2-8115-9533102175e4))
     (pin "9" (uuid c48a70ab-4d17-4096-9fb6-bc7e960c5f1c))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U6") (unit 1)
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+    )
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   (symbol (lib_id "power:VCC") (at 166.37 127 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 81584104-51b8-46ca-acdd-f51da3a3ab05)
-    (property "Reference" "#PWR029" (id 0) (at 166.37 130.81 0)
+    (property "Reference" "#PWR029" (at 166.37 130.81 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 166.37 123.4242 0))
-    (property "Footprint" "" (id 2) (at 166.37 127 0)
+    (property "Value" "VCC" (at 166.37 123.4242 0)
+      (effects (font (size 1.27 1.27)))
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+    (property "Footprint" "" (at 166.37 127 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "" (id 3) (at 166.37 127 0)
+    (property "Datasheet" "" (at 166.37 127 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid f61d0d0c-696c-4974-9817-e685c3ed668a))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR029") (unit 1)
+        )
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   (symbol (lib_id "power:VCC") (at 196.85 36.83 90) (mirror x) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 81f722b5-b6ac-4645-ab5e-06a8b47f4f81)
-    (property "Reference" "#PWR09" (id 0) (at 200.66 36.83 0)
+    (property "Reference" "#PWR09" (at 200.66 36.83 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 193.675 37.2638 90)
+    (property "Value" "VCC" (at 193.675 37.2638 90)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "" (id 2) (at 196.85 36.83 0)
+    (property "Footprint" "" (at 196.85 36.83 0)
       (effects (font (size 1.27 1.27)) hide)
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+    (property "Datasheet" "" (at 196.85 36.83 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 8162f8c1-9470-4929-b962-130d9e5d7a28))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR09") (unit 1)
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+      )
+    )
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   (symbol (lib_id "power:GND") (at 130.81 154.94 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 8463c5cc-e4ee-4794-b05c-bc752d02dfeb)
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+    (property "Reference" "#PWR031" (at 130.81 161.29 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 130.81 159.3834 0))
-    (property "Footprint" "" (id 2) (at 130.81 154.94 0)
+    (property "Value" "GND" (at 130.81 159.3834 0)
+      (effects (font (size 1.27 1.27)))
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+    (property "Footprint" "" (at 130.81 154.94 0)
       (effects (font (size 1.27 1.27)) hide)
     )
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+    (property "Datasheet" "" (at 130.81 154.94 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 5af3e444-5628-4097-8b8a-68d18841f26a))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR031") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "power:VCC") (at 259.08 66.04 270) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 86e5f351-3d38-4e3c-8bd7-6901476dc8e9)
-    (property "Reference" "#PWR0101" (id 0) (at 255.27 66.04 0)
+    (property "Reference" "#PWR0101" (at 255.27 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 262.255 66.4738 90)
+    (property "Value" "VCC" (at 262.255 66.4738 90)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "" (id 2) (at 259.08 66.04 0)
+    (property "Footprint" "" (at 259.08 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 259.08 66.04 0)
+    (property "Datasheet" "" (at 259.08 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 7b8a2c51-398e-4f67-80b1-8a780207c2d7))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR0101") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "74xx:74LS245") (at 44.45 41.91 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 8aa44e8f-0931-4090-8e23-1fa8800f5098)
-    (property "Reference" "U2" (id 0) (at 46.4694 22.9702 0)
+    (property "Reference" "U2" (at 46.4694 22.9702 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "74LS245" (id 1) (at 46.4694 25.5071 0)
+    (property "Value" "74LS245" (at 46.4694 25.5071 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" (id 2) (at 44.45 41.91 0)
+    (property "Footprint" "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" (at 44.45 41.91 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS245" (id 3) (at 44.45 41.91 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS245" (at 44.45 41.91 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 780f6e25-8588-4aa5-96e9-f2533368dd10))
@@ -2632,67 +2847,103 @@
     (pin "7" (uuid 976e809c-b7e3-4423-bb40-db6bca4dd76f))
     (pin "8" (uuid aee87dce-7741-41e6-b000-8b5217f8ffff))
     (pin "9" (uuid d5b37288-6178-460d-a014-117269e1fc67))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "U2") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "power:VCC") (at 104.14 21.59 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 8f8d28af-b453-48a0-a00b-db83e202d422)
-    (property "Reference" "#PWR01" (id 0) (at 104.14 25.4 0)
+    (property "Reference" "#PWR01" (at 104.14 25.4 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "VCC" (id 1) (at 104.14 18.0142 0))
-    (property "Footprint" "" (id 2) (at 104.14 21.59 0)
+    (property "Value" "VCC" (at 104.14 18.0142 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 104.14 21.59 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 104.14 21.59 0)
+    (property "Datasheet" "" (at 104.14 21.59 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid b8dbd001-17af-475a-9406-c3d1e3945665))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR01") (unit 1)
+        )
+      )
+    )
   )
 
   (symbol (lib_id "power:GND") (at 104.14 134.62 0) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 94da1966-b8e6-4c87-aab0-a4c6c0d2283e)
-    (property "Reference" "#PWR028" (id 0) (at 104.14 140.97 0)
+    (property "Reference" "#PWR028" (at 104.14 140.97 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 104.14 139.0634 0))
-    (property "Footprint" "" (id 2) (at 104.14 134.62 0)
+    (property "Value" "GND" (at 104.14 139.0634 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 104.14 134.62 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 104.14 134.62 0)
+    (property "Datasheet" "" (at 104.14 134.62 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 7ba05fb7-aeb7-4f62-9255-59d1b2d6fb78))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR028") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "power:GND") (at 29.21 39.37 270) (unit 1)
-    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 9c1cc201-3081-4124-80bc-09f83cc53f69)
-    (property "Reference" "#PWR010" (id 0) (at 22.86 39.37 0)
+    (property "Reference" "#PWR010" (at 22.86 39.37 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 26.0351 39.8038 90)
+    (property "Value" "GND" (at 26.0351 39.8038 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Footprint" "" (id 2) (at 29.21 39.37 0)
+    (property "Footprint" "" (at 29.21 39.37 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 29.21 39.37 0)
+    (property "Datasheet" "" (at 29.21 39.37 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 0765eecf-2d3d-4ce2-b3f2-2fc806177f13))
+    (instances
+      (project "ram_rom"
+        (path "/a3def0ed-1588-4d37-99a4-ee2ea7eaa32e"
+          (reference "#PWR010") (unit 1)
+        )
+      )
+    )
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   (symbol (lib_id "74xx:74HC688") (at 130.81 52.07 0) (unit 1)
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+    (in_bom yes) (on_board yes) (dnp no)
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-    (property "Footprint" "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" (id 2) (at 130.81 52.07 0)
+    (property "Reference" "U4" (at 135.89 22.86 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "74HC688" (at 135.89 25.4 0)
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@@ -2715,85 +2966,128 @@
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     (pin "9" (uuid 906d302b-68ca-427f-9ac4-9abf7deca232))
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-    (property "Datasheet" "https://www.ti.com/lit/ds/symlink/cd54hc373.pdf" (id 3) (at 104.14 41.91 0)
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@@ -2816,80 +3110,123 @@
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     (pin "9" (uuid 88c50f5a-2471-4419-899c-1ba53961f4e9))
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   (symbol (lib_id "power:GND") (at 91.44 54.61 0) (unit 1)
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     (pin "1" (uuid 8718527a-dd6f-4637-a941-f751f6dbde9a))
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+    (stroke (width 0.1524) (type solid))
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@@ -3040,256 +3377,14 @@
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       (uuid 9c59666b-c880-42c4-b886-b327989cb280)
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diff --git a/ram_rom.pdf b/ram_rom.pdf
index 6583ae8..b44f9a3 100644
Binary files a/ram_rom.pdf and b/ram_rom.pdf differ