lots of things

george.csv

@@ -1,6 +1,33 @@
-"Id";"Designator";"Footprint";"Quantity";"Designation";"Supplier and ref";
+"#","Reference","Qty","Value","Footprint","DNP"
-1;"U8";"DIP-28_W15.24mm";1;"HM62256BLP";;;
+"1","C1","1","1uF","",""
-2;"U7";"DIP-28_W15.24mm";1;"28C256";;;
+"2","IC5, IC6","2","CD74HC157EE4","DIP794W53P254L1930H508Q16N",""
-3;"U4";"DIP-28_W15.24mm";1;"62256";;;
+"3","J1","1","Conn_01x16_Socket","",""
-4;"U2";"DIP-40_W15.24mm";1;"MC6845";;;
+"4","LS1","1","20 Ohm Speaker","",""
-5;"U1";"DIP-40_W15.24mm";1;"W65C02SxP";;;
+"5","LS2","1","10 Ohm Speaker","",""
+"6","R1","1","10k","",""
+"7","R2","1","47k","",""
+"8","R3, R5, R6","3","3.3k","",""
+"9","R4","1","R","",""
+"10","RN1","1","100K","Resistor_THT:R_Array_SIP9",""
+"11","SW1","1","SW_Push","",""
+"12","U1","1","W65C02SxP","Package_LCC:PLCC-44_THT-Socket",""
+"13","U2","1","MC6845","Package_DIP:DIP-40_W15.24mm",""
+"14","U3","1","28C256","",""
+"15","U4","1","62256","Package_DIP:DIP-28_W15.24mm",""
+"16","U5","1","4520","",""
+"17","U6, U14, U16","3","74HC14","",""
+"18","U7, U19","2","28C256","Package_DIP:DIP-28_W15.24mm",""
+"19","U8","1","HM62256BLP","Package_DIP:DIP-28_W15.24mm",""
+"20","U9, U11","2","74HC373","",""
+"21","U10","1","74HC165","",""
+"22","U12, U20","2","74HC00","",""
+"23","U13, U21, U22, U23","4","74HC245","",""
+"24","U15, U18","2","74HC137","",""
+"25","U17","1","CY62256-70PC","Package_DIP:DIP-28_W15.24mm",""
+"26","U24","1","74HC32","Package_DIP:DIP-14_W7.62mm",""
+"27","U25","1","74HC08","Package_DIP:DIP-14_W10.16mm",""
+"28","U26, U27","2","74HC590","",""
+"29","U28","1","74HC138","",""
+"30","U29","1","74HC541","",""
+"31","Y1","1","ECS-100A-120","Oscillator:Oscillator_DIP-14",""
+"32","Y2","1","ECS-100A-160","Oscillator:Oscillator_DIP-14",""

george.kicad_prl

@@ -37,8 +37,6 @@
       8,
       9,
       10,
-      11,
-      12,
       13,
       15,
       16,
@@ -67,6 +65,12 @@
     "visible_layers": "fffffff_ffffffff",
     "zone_display_mode": 0
   },
+  "git": {
+    "repo_password": "",
+    "repo_type": "",
+    "repo_username": "",
+    "ssh_key": ""
+  },
   "meta": {
     "filename": "george.kicad_prl",
     "version": 3

george.kicad_pro

@@ -3,14 +3,17 @@
     "3dviewports": [],
     "design_settings": {
       "defaults": {
-        "board_outline_line_width": 0.09999999999999999,
+        "apply_defaults_to_fp_fields": false,
-        "copper_line_width": 0.19999999999999998,
+        "apply_defaults_to_fp_shapes": false,
+        "apply_defaults_to_fp_text": false,
+        "board_outline_line_width": 0.1,
+        "copper_line_width": 0.2,
         "copper_text_italic": false,
         "copper_text_size_h": 1.5,
         "copper_text_size_v": 1.5,
         "copper_text_thickness": 0.3,
         "copper_text_upright": false,
-        "courtyard_line_width": 0.049999999999999996,
+        "courtyard_line_width": 0.05,
         "dimension_precision": 4,
         "dimension_units": 3,
         "dimensions": {
@@ -21,7 +24,7 @@
           "text_position": 0,
           "units_format": 1
         },
-        "fab_line_width": 0.09999999999999999,
+        "fab_line_width": 0.1,
         "fab_text_italic": false,
         "fab_text_size_h": 1.0,
         "fab_text_size_v": 1.0,
@@ -48,7 +51,13 @@
           "min_clearance": 0.5
         }
       },
-      "diff_pair_dimensions": [],
+      "diff_pair_dimensions": [
+        {
+          "gap": 0.0,
+          "via_gap": 0.0,
+          "width": 0.0
+        }
+      ],
       "drc_exclusions": [],
       "meta": {
         "version": 2
@@ -66,6 +75,7 @@
         "duplicate_footprints": "warning",
         "extra_footprint": "warning",
         "footprint": "error",
+        "footprint_symbol_mismatch": "warning",
         "footprint_type_mismatch": "ignore",
         "hole_clearance": "error",
         "hole_near_hole": "error",
@@ -110,15 +120,15 @@
         "min_copper_edge_clearance": 0.0,
         "min_hole_clearance": 0.25,
         "min_hole_to_hole": 0.25,
-        "min_microvia_diameter": 0.19999999999999998,
+        "min_microvia_diameter": 0.2,
-        "min_microvia_drill": 0.09999999999999999,
+        "min_microvia_drill": 0.1,
         "min_resolved_spokes": 2,
         "min_silk_clearance": 0.0,
-        "min_text_height": 0.7999999999999999,
+        "min_text_height": 0.8,
         "min_text_thickness": 0.08,
         "min_through_hole_diameter": 0.3,
         "min_track_width": 0.0,
-        "min_via_annular_width": 0.09999999999999999,
+        "min_via_annular_width": 0.1,
         "min_via_diameter": 0.5,
         "solder_mask_clearance": 0.0,
         "solder_mask_min_width": 0.0,
@@ -127,9 +137,6 @@
       },
       "teardrop_options": [
         {
-          "td_allow_use_two_tracks": true,
-          "td_curve_segcount": 5,
-          "td_on_pad_in_zone": false,
           "td_onpadsmd": true,
           "td_onroundshapesonly": false,
           "td_ontrackend": false,
@@ -138,37 +145,83 @@
       ],
       "teardrop_parameters": [
         {
+          "td_allow_use_two_tracks": true,
           "td_curve_segcount": 0,
           "td_height_ratio": 1.0,
           "td_length_ratio": 0.5,
           "td_maxheight": 2.0,
           "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
           "td_target_name": "td_round_shape",
           "td_width_to_size_filter_ratio": 0.9
         },
         {
+          "td_allow_use_two_tracks": true,
           "td_curve_segcount": 0,
           "td_height_ratio": 1.0,
           "td_length_ratio": 0.5,
           "td_maxheight": 2.0,
           "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
           "td_target_name": "td_rect_shape",
           "td_width_to_size_filter_ratio": 0.9
         },
         {
+          "td_allow_use_two_tracks": true,
           "td_curve_segcount": 0,
           "td_height_ratio": 1.0,
           "td_length_ratio": 0.5,
           "td_maxheight": 2.0,
           "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
           "td_target_name": "td_track_end",
           "td_width_to_size_filter_ratio": 0.9
         }
       ],
-      "track_widths": [],
+      "track_widths": [
-      "via_dimensions": [],
+        0.0
+      ],
+      "tuning_pattern_settings": {
+        "diff_pair_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 1.0
+        },
+        "diff_pair_skew_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        },
+        "single_track_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        }
+      },
+      "via_dimensions": [
+        {
+          "diameter": 0.0,
+          "drill": 0.0
+        }
+      ],
       "zones_allow_external_fillets": false
     },
+    "ipc2581": {
+      "dist": "",
+      "distpn": "",
+      "internal_id": "",
+      "mfg": "",
+      "mpn": ""
+    },
     "layer_presets": [],
     "viewports": []
   },
@@ -390,7 +443,8 @@
   "libraries": {
     "pinned_footprint_libs": [],
     "pinned_symbol_libs": [
-      "65xx-library"
+      "65xx-library",
+      "74xx"
     ]
   },
   "meta": {
@@ -415,6 +469,23 @@
         "via_diameter": 0.8,
         "via_drill": 0.4,
         "wire_width": 6
+      },
+      {
+        "bus_width": 12,
+        "clearance": 0.2,
+        "diff_pair_gap": 0.25,
+        "diff_pair_via_gap": 0.25,
+        "diff_pair_width": 0.2,
+        "line_style": 0,
+        "microvia_diameter": 0.3,
+        "microvia_drill": 0.1,
+        "name": "Power Rail",
+        "pcb_color": "rgba(0, 0, 0, 0.000)",
+        "schematic_color": "rgba(0, 0, 0, 0.000)",
+        "track_width": 0.5,
+        "via_diameter": 0.8,
+        "via_drill": 0.4,
+        "wire_width": 6
       }
     ],
     "meta": {
@@ -422,21 +493,185 @@
     },
     "net_colors": null,
     "netclass_assignments": null,
-    "netclass_patterns": []
+    "netclass_patterns": [
+      {
+        "netclass": "Power Rail",
+        "pattern": "+5V"
+      },
+      {
+        "netclass": "Power Rail",
+        "pattern": "GND"
+      },
+      {
+        "netclass": "Power Rail",
+        "pattern": "VBUS"
+      }
+    ]
   },
   "pcbnew": {
     "last_paths": {
       "gencad": "",
       "idf": "",
       "netlist": "",
+      "plot": "",
+      "pos_files": "",
       "specctra_dsn": "",
       "step": "",
+      "svg": "",
       "vrml": ""
     },
     "page_layout_descr_file": ""
   },
   "schematic": {
     "annotate_start_num": 0,
+    "bom_fmt_presets": [],
+    "bom_fmt_settings": {
+      "field_delimiter": ",",
+      "keep_line_breaks": false,
+      "keep_tabs": false,
+      "name": "CSV",
+      "ref_delimiter": ",",
+      "ref_range_delimiter": "",
+      "string_delimiter": "\""
+    },
+    "bom_presets": [],
+    "bom_settings": {
+      "exclude_dnp": false,
+      "fields_ordered": [
+        {
+          "group_by": false,
+          "label": "Reference",
+          "name": "Reference",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Value",
+          "name": "Value",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Datasheet",
+          "name": "Datasheet",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Footprint",
+          "name": "Footprint",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Qty",
+          "name": "${QUANTITY}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "DNP",
+          "name": "${DNP}",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "#",
+          "name": "${ITEM_NUMBER}",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "AVAILABILITY",
+          "name": "AVAILABILITY",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Check_prices",
+          "name": "Check_prices",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "DESCRIPTION",
+          "name": "DESCRIPTION",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "DigiKey_Part_Number",
+          "name": "DigiKey_Part_Number",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "MF",
+          "name": "MF",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "MP",
+          "name": "MP",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "PACKAGE",
+          "name": "PACKAGE",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "PRICE",
+          "name": "PRICE",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Package",
+          "name": "Package",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Purchase-URL",
+          "name": "Purchase-URL",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Sim.Device",
+          "name": "Sim.Device",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Sim.Pins",
+          "name": "Sim.Pins",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "SnapEDA_Link",
+          "name": "SnapEDA_Link",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Description",
+          "name": "Description",
+          "show": false
+        }
+      ],
+      "filter_string": "",
+      "group_symbols": true,
+      "name": "",
+      "sort_asc": true,
+      "sort_field": "Reference"
+    },
+    "connection_grid_size": 50.0,
     "drawing": {
       "dashed_lines_dash_length_ratio": 12.0,
       "dashed_lines_gap_length_ratio": 3.0,
@@ -450,6 +685,11 @@
       "intersheets_ref_suffix": "",
       "junction_size_choice": 3,
       "label_size_ratio": 0.375,
+      "operating_point_overlay_i_precision": 3,
+      "operating_point_overlay_i_range": "~A",
+      "operating_point_overlay_v_precision": 3,
+      "operating_point_overlay_v_range": "~V",
+      "overbar_offset_ratio": 1.23,
       "pin_symbol_size": 25.0,
       "text_offset_ratio": 0.15
     },
@@ -473,6 +713,7 @@
     "spice_external_command": "spice \"%I\"",
     "spice_model_current_sheet_as_root": true,
     "spice_save_all_currents": false,
+    "spice_save_all_dissipations": false,
     "spice_save_all_voltages": false,
     "subpart_first_id": 65,
     "subpart_id_separator": 0
@@ -480,7 +721,7 @@
   "sheets": [
     [
       "c2284e4e-9652-4cdf-884d-a267b847753c",
-      ""
+      "Root"
     ],
     [
       "4fc87bef-9065-48cc-adac-8a035ced590c",
@@ -505,10 +746,6 @@
     [
       "e285a72c-60b6-49f6-88c2-a6ccdce241f4",
       "Audio"
-    ],
-    [
-      "fdf20e29-abee-461c-b580-40081b6f303c",
-      "Keyboard"
     ]
   ],
   "text_variables": {}

george.txt

@@ -0,0 +1,51 @@
+                              `'~\}XqOg9ePXZqyy{=;.                                                 
+                           `;cJn1n3S7vcjixS9MM08#%mPJi!`                                            
+                         `"I1t==nm&D&mZPm93hP9qmb&MM&%2w`                                           
+                        ~jv>|r{PPhw2ynnw2Sen23ZX##ROORx1yt`                                         
+                      `|l|+++iPPw2heIooXPmDZnn{cinbR#R%lehI'                                        
+                     `=>r+;;;nS3IIIn]vxTn1n29%et+=n3q&9{yyj}`                                       
+                     !i+;r;;"cee1T1|;"73&RRRR0BR9Og#9&3yooxtn7`                                     
+                    ']+\r;"";"l11jitISm9RR&99mmD8D#0MB@&JioxnS&q1J=`                                
+                    ~c|+r;;"~!~;rjIyynePSnjtj}7i2gS%&RM@#]v2JeePYnxv                                
+                 `::;;r;;;;;"!!~iITJJoZX2yY{lliYnX&mmS9RNyln2Xeel\+|                                
+                =yn}=;r;;"~"~!!"TYInI22eIyyyIInI1{29DP3gNR>cJhPnx]!                                 
+               '1=|=>+;;~!!!~!!|yyon}IyyyInnnn{ji]cI3eyy#0+;]n3x'`                                  
+               `jv>+++r;~!!!~!!|IJYiiJIn1YIIJ1tviiTonjIORZ!~+jIv                                    
+                `|Tvjjlr"!!!!!!!jx1xi{IynnIItT}xjxTIIyhS9=!~"+{r                                    
+                  _]x}l;"!!!"~~!rxIyoJY1yIInnIInJ}{Ye3XPr!!!";=`                                    
+                    `-!i;!!!!"~!:!\tj]lt}YnnoInnJ}t{nn]r]Yyn!\`                                     
+                       `v""~!!!~v]ivvc||>]xnn1}7tvv1ynnwe7vI"+'                                     
+                        `";;!!:!|r;rciiJy{=+;;r;lr=~;r=xenxT;+ir`                                   
+                         ~t|""!!!~\l7t|++""\7;:veei!:::!!";+|;rrr\;;;!!-.`                          
+                        ;{=r"~~!!!!!!~cT+;+>;:=qvc;";"~!!~;r]cr;r+rr+rr|=;;:!'                      
+                     `!r+;""!!!!!!!!=J="=yv!\y}|!!"";r++;!";++"~~;;~"""";r\==7oJ"`                  
+                   `+=++;;;"!!::!!!>Y|riv;=J{jr!~;;~;;+\l>iic]|~~~!!!!!~;;"";++|=]='                
+                  .+\\+;;;""!!!:!;}v!;Tnrneli+!~";~!";;;|ltnnYY>!!!!!!!~"""";+++r+>i-               
+                 .\+r;;;;;";"!!:+T]+j}\i2>nn~"""";"";;;+=>]vc>v1v;:!!!!!~!~";"";;;|+]!`             
+                ,\;;;;;;;""!!!!lv;;vi;+>\t\""""";;;;;;!;;+|\l]t{x{|!:!!!!!"~"""";;;=\ci;            
+                |r;;;;";;""""!;+;ty>;;;;{"!!"""";;;;;;;"";;;;r=cvti="!!!!~~"";;"""";|ill>`          
+               .|+r+;;"~"~!~"!!!+i+;;;;;v~"";;;;;;;r;;;~~;;;;;+lllc=+;!!!!""";;;"!!~;r>iv+          
+               -=+;+;"!!!!!!~"~:;~~;"";;;";;;;;;";";";;!!!~"";;+|+|=>|;"!!~""";;"""~;;;+\=;         
+               :+r;;"~!!!~!!!!!!!!!!;;;;";""";"~""""";;"!!~"""";;;+|r+;"!!!"""""""""";;;+|;         
+               :\;;;;"~!!!!!!::!!!!~""";"!~"~~~~~~!~"""!!!""""""";;;;rr;;~!~~~~~;;"";"";r>l-        
+               :;;;;"!!!!!!~!!!!!!!~""""!!!!~!!!!~!!~"""!!"""""~";;rr;;;;;~!""~""!";;"";;\>!        
+               ,;;;"~!!!!!!~!!!!!!!""!!!!!!!!!!!!!!!"""~!!~~"""~""~~";rr";"!~~~";""""!~;r=!         
+               `+;"~!!!!!~!!!!!!!!!!!~!!!!!!!!!!!!!!"""~!!!!~~""!!~"";;r;;";~~!~""~""";;|!`         
+                ';;~!!!!!!!!~!!!!!!!!!!!!!:!!!!!!!!!!""!!!!!!~~~~~!!~!~;;;;|t!!""";;";;;!`          
+                 `:|;!!:!"!~!!!!!!!!!!:::!!!!!!!!!!!!"~!!!::!!!~!!!!!~";;;"+c"!;;\+r!:,`            
+                    -:;;:;T+!~~"";;;;;;;;~!!!!!!!!!!~~~!!!!!!!!!!!!!~~"~;;;i   `-                   
+                          'v";;;"""";;r+r+;"!!!!!!!!"~!!!!!!!!!!!~!;=lclt7{T\:`                     
+                           ~;r\lic>r=c=l|+\+;!!!!!!!~~~!!!!!:!!~;r=i||=l+>ivvJn:                    
+                         `|J}Jj7jtT}>>>i|\==;"""~!!!~!!!!!!!!"\cll=+;;;++++r>=]Ji,                  
+                        `77cl=]tT7Tjll>l=l||r;;~"!!!!!~!!!!"|=>||rr;"""";;;;\lcilt,                 
+                        r=r;;;;;;;r+===\\==>]|\r"!!!!~~!!!~";;+c\;;";;;=iviitT1nJ}i`                
+                       '>+=v}J}J7i]=r;;;r==lccir!!!!!!!!!~;""|v\;;;|liiicivi7xY1JeS|`               
+                       ri1}JnYTIIInnTxi>]c"+llic!!!!!!!!!!";|7lr+civtj77j{}}xTYY{n3I!               
+                      ,TnynTTYIyIyyIJ{7t7xir;=c{j+":;;";\+r;l|r;|1n1n1nY}7j7TYnnxJZmv`              
+                      -cxIyni7}Y1Y1Ttvviillivr\ji       `;T\+r;;+}1IInJviiv7J1nnJn2ZI;              
+                      '|v{Yxvv{xjvcll=l>viv7x\;t_         .ir+r;;l7v{{}{xTJYnnn}{1yS+               
+                       +|]vvvv77tvivil=>vvtv]v|"           `|+r;;|ii7{{xJYnnnY{{JoeP'               
+                        =T{llivillii>=|lvj}}Ji.              "r;;=xxYY}7jvvj}x}YJn3"                
+                          _TJv=+rr+|+rr|cl+:-                `vvr;=ivvvi]=|=vvv{T{-                 
+                            '_:!!;r]|",-``                    `:;l=|++|\+++\llct"'                  
+                                                                  `.-,::;;;;+_.`

io.kicad_sch-bak

@@ -0,0 +1,395 @@
+(kicad_sch (version 20230121) (generator eeschema)
+
+  (uuid e90f199c-040a-46c9-adb6-b91688518fa0)
+
+  (paper "A4")
+
+  (title_block
+    (title "ʕ·ᴥ·ʔ-i/o")
+  )
+
+  (lib_symbols
+    (symbol "Connector:Conn_01x16_Socket" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "J" (at 0 20.32 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Value" "Conn_01x16_Socket" (at 0 -22.86 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (at 0 0 0)
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+)

keyboard/keyboard.kicad_sch

@@ -515,9 +515,6 @@
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@@ -572,9 +569,6 @@
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@@ -587,9 +581,6 @@
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@@ -599,9 +590,6 @@
   (junction (at 74.93 62.23) (diameter 0) (color 0 0 0 0)
     (uuid 6a05d9af-b731-4b06-8a09-3373ea444397)
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@@ -620,9 +608,6 @@
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@@ -668,9 +653,6 @@
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@@ -904,10 +886,6 @@
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@@ -938,10 +916,6 @@
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@@ -1238,10 +1212,6 @@
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@@ -1338,10 +1304,6 @@
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memory.md

@@ -1,49 +0,0 @@
-## Sketching out our address space
-
-### Memory Map
-
-CPU Addressable
-
-| Address | Usage                            |
-| ------- | -------------------------------- |
-| `$0000` | 32k ram (16k addressable)        |
-| `$1000` | ...                              |
-| `$2000` | ...                              |
-| `$3000` | ...                              |
-| `$4000` | I/0 & Hardware Control Registers |
-| `$5000` | ...                              |
-| `$6000` | 32k vram                         |
-| `$7000` | ...                              |
-| `$8000` | ...                              |
-| `$9000` | ...                              |
-| `$A000` | ...                              |
-| `$B000` | ...                              |
-| `$C000` | ...                              |
-| `$D000` | ...                              |
-| `$E000` | 32k eeprom (8k addressable)      |
-| `$F000` | ...                              |
-
-### Hardware Control Register $4000
-
-| Bit       | 7            | 6            | 5        | 4             | 3                          | 2      | 1      | 0      |
-| --------- | ------------ | ------------ | -------- | ------------- | -------------------------- | ------ | ------ | ------ |
-| **Usage** | ROM Page MSB | ROM Page LSB | RAM Page | 32k Bank Page | Character/Hires Video Mode | Unused | Unused | Unused |
-
-### Video Controls $4200 & $4201
-
-When the system starts or when the video mode is changed, crt timing/character size information has to be sent to the 6845. This is done by writing
-
-### Keyboard Rows $4300, $4301, $4302, $4303, $4304, $4305
-
-Each keyboard row is mapped to a read-only 8-bit register, with each key mapped to a single bit. Due to the design of this keyboard, Row 5 has 5 unused bits
-
-| Address | Desc  | Bit 7     | Bit 6  | Bit 5  | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0       |
-| ------- | ----- | --------- | ------ | ------ | ----- | ----- | ----- | ----- | ----------- |
-| `$4300` | Row 0 | `esc`     | `w`    | `e`    | `r`   | `t`   | `u`   | `o`   | `backspace` |
-| `$4301` | Row 1 | `tab`     | `q`    | `s`    | `g`   | `y`   | `i`   | `p`   | `enter`     |
-| `$4302` | Row 2 | `shift`   | `d`    | `v`    | `h`   | `k`   | `"`   | `?`   | `a`         |
-| `$4303` | Row 3 | `control` | `z`    | `f`    | `b`   | `j`   | `l`   | `2`   | `4`         |
-| `$4304` | Row 4 | `alt`     | `x`    | `c`    | `n`   | `m`   | `'`   | `1`   | `3`         |
-| `$4305` | Row 5 | `meta`    | `sp 1` | `sp 2` |       |
-
-### Character ROM Layout

out.log

@@ -0,0 +1,3 @@
+Begin Stretch debug
+Import BS4
+Success

ports.kicad_sch-bak

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+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 211be037-b0e2-41b2-98aa-0dbd3af43347))
+    (instances
+      (project "george"
+        (path "/c2284e4e-9652-4cdf-884d-a267b847753c/7617c470-a3e3-49ab-aa7b-e191ba11c812"
+          (reference "#PWR073") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Switch:SW_DIP_x01") (at 67.31 135.89 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid dd871248-9c4d-4e16-ab4c-21c027fe9b1e)
+    (property "Reference" "SW2" (at 67.31 128.27 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "SW_DIP_x01" (at 67.31 130.81 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 67.31 135.89 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 67.31 135.89 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid be71f26b-8719-47fb-a948-607c429903a8))
+    (pin "2" (uuid 97a991de-fc20-4385-899d-1bd8fffdabe9))
+    (instances
+      (project "george"
+        (path "/c2284e4e-9652-4cdf-884d-a267b847753c/7617c470-a3e3-49ab-aa7b-e191ba11c812"
+          (reference "SW2") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Connector:Barrel_Jack_MountingPin") (at 38.1 120.65 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid f65baee0-9a7c-4b37-b787-70357503b1d8)
+    (property "Reference" "J2" (at 38.1 111.76 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "Barrel_Jack_MountingPin" (at 38.1 114.3 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "Connector_BarrelJack:BarrelJack_Horizontal" (at 39.37 121.666 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 39.37 121.666 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid fe4388b6-734b-46c2-9acc-dcf3f65f75a7))
+    (pin "2" (uuid de12dc30-a135-44c6-9640-b160833bbcd9))
+    (pin "MP" (uuid 40763621-4de1-4fdb-9df9-b51844616a7d))
+    (instances
+      (project "george"
+        (path "/c2284e4e-9652-4cdf-884d-a267b847753c/7617c470-a3e3-49ab-aa7b-e191ba11c812"
+          (reference "J2") (unit 1)
+        )
+      )
+    )
+  )
+)

~_autosave-george.kicad_pcb.lck

@@ -0,0 +1 @@
+{"hostname":"Klines-MacBook-Air","username":"kline"}

~george.kicad_pcb.lck

@@ -0,0 +1 @@
+{"hostname":"Klines-MacBook-Air","username":"kline"}