# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1645896538 -3600
# Node ID e97672cb9a9ded2557529249392007c2377ebbff

Moved the keyboard circuit into its own project.

diff -r 000000000000 -r e97672cb9a9d AcornElectronKeyboard.dcm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AcornElectronKeyboard.dcm	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library
diff -r 000000000000 -r e97672cb9a9d AcornElectronKeyboard.kicad_pcb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AcornElectronKeyboard.kicad_pcb	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff -r 000000000000 -r e97672cb9a9d AcornElectronKeyboard.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AcornElectronKeyboard.lib	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,223 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# 6502A
+#
+DEF 6502A U 0 40 Y Y 1 F N
+F0 "U" 0 1400 50 H V C CNN
+F1 "6502A" 0 1300 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+S -400 1200 400 -1150 0 1 0 f
+X VSS 1 -100 -1250 100 U 50 50 1 1 W
+X A1 10 -500 850 100 R 50 50 1 1 O
+X A2 11 -500 750 100 R 50 50 1 1 O
+X A3 12 -500 650 100 R 50 50 1 1 O
+X A4 13 -500 550 100 R 50 50 1 1 O
+X A5 14 -500 450 100 R 50 50 1 1 O
+X A6 15 -500 350 100 R 50 50 1 1 O
+X A7 16 -500 250 100 R 50 50 1 1 O
+X A8 17 -500 150 100 R 50 50 1 1 O
+X A9 18 -500 50 100 R 50 50 1 1 O
+X A10 19 -500 -50 100 R 50 50 1 1 O
+X RDY 2 500 -650 100 L 50 50 1 1 I
+X A11 20 -500 -150 100 R 50 50 1 1 O
+X VSS 21 100 -1250 100 U 50 50 1 1 W
+X A12 22 -500 -250 100 R 50 50 1 1 O
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+X D6 27 500 250 100 L 50 50 1 1 B
+X D5 28 500 350 100 L 50 50 1 1 B
+X D4 29 500 450 100 L 50 50 1 1 B
+X PHI1_OUT 3 -500 -850 100 R 50 50 1 1 O
+X D3 30 500 550 100 L 50 50 1 1 B
+X D2 31 500 650 100 L 50 50 1 1 B
+X D1 32 500 750 100 L 50 50 1 1 B
+X D0 33 500 850 100 L 50 50 1 1 B
+X R/~W 34 500 -250 100 L 50 50 1 1 O
+X PHI1_IN 37 500 -850 100 L 50 50 1 1 I
+X ~SO 38 500 -450 100 L 50 50 1 1 I
+X PHI2_OUT 39 -500 -750 100 R 50 50 1 1 O
+X ~IRQ 4 500 -150 100 L 50 50 1 1 I
+X ~RES 40 300 1300 100 D 50 50 1 1 I
+X ~NMI 6 500 -50 100 L 50 50 1 1 I
+X SYNC 7 500 -550 100 L 50 50 1 1 O
+X VCC 8 -200 1300 100 D 50 50 1 1 W
+X A0 9 -500 950 100 R 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# Expansion
+#
+DEF Expansion U 0 40 Y Y 1 F N
+F0 "U" 0 1900 50 H V C CNN
+F1 "Expansion" 0 1800 50 H V C CNN
+F2 "" 200 0 50 H I C CNN
+F3 "" 200 0 50 H I C CNN
+DRAW
+S -300 1700 300 -3300 0 1 0 f
+X 18VAC 1 400 1650 100 L 50 50 1 1 W
+X 5V 10 400 750 100 L 50 50 1 1 W
+X SOUND_O/P 11 400 650 100 L 50 50 1 1 I
+X 16_MHz 12 400 550 100 L 50 50 1 1 I
+X CLOCK/13_IN 13 400 450 100 L 50 50 1 1 I
+X PHI_OUT 14 400 350 100 L 50 50 1 1 I
+X ~RST 15 400 250 100 L 50 50 1 1 I
+X ~NMI 16 400 150 100 L 50 50 1 1 O
+X ~IRQ 17 400 50 100 L 50 50 1 1 T
+X R/~W 18 400 -50 100 L 50 50 1 1 I
+X D7 19 400 -150 100 L 50 50 1 1 B
+X 18VAC 2 400 1550 100 L 50 50 1 1 W
+X D6 20 400 -250 100 L 50 50 1 1 B
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+X 5V 9 400 850 100 L 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# Keyswitch
+#
+DEF Keyswitch SW 0 40 Y Y 1 F N
+F0 "SW" 0 150 50 H V C CNN
+F1 "Keyswitch" 0 50 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+X COL 1 -200 0 100 D 25 25 1 1 P
+X ROW 2 0 -250 100 L 25 25 1 1 P
+ENDDRAW
+ENDDEF
+#
+# ULA12C021
+#
+DEF ULA12C021 U 0 40 Y Y 1 F N
+F0 "U" 0 2700 50 H V C CNN
+F1 "ULA12C021" 0 2600 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+S -1300 2450 1200 -2550 0 1 0 f
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+X GREEN 4 1300 -2000 100 L 50 50 1 1 O
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+X VCC2 43 -300 2550 100 D 50 50 1 1 W
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+X PD7 45 -1400 -2100 100 R 50 50 1 1 B
+X R/~W 46 -1400 -2500 100 R 50 50 1 1 I
+X CAS_RO 47 1300 1800 100 L 50 50 1 1 B
+X VCC1 48 -700 2550 100 D 50 50 1 1 W
+X CLOCK_IN 49 300 -2650 100 U 50 50 1 1 I
+X A0 5 -1400 200 100 R 50 50 1 1 I
+X CAS_OUT 50 1300 2300 100 L 50 50 1 1 O
+X GND 51 -300 -2650 100 U 50 50 1 1 W
+X ~RAS 52 -1400 1900 100 R 50 50 1 1 O
+X ~CAS 53 -1400 1800 100 R 50 50 1 1 O
+X ~POR 54 1300 -1200 100 L 50 50 1 1 I
+X CLOCK/13_IN 55 -700 -2650 100 U 50 50 1 1 I
+X A15 56 -1400 -1300 100 R 50 50 1 1 I
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+X PHI_OUT 60 -1400 -2300 100 R 50 50 1 1 O
+X ROM 61 -1400 300 100 R 50 50 1 1 O
+X SOUND_O/P 62 1300 -600 100 L 50 50 1 1 O
+X CAPS_LOCK 63 -1400 500 100 R 50 50 1 1 O
+X CAS_MO 64 1300 1500 100 L 50 50 1 1 O
+X ~CSYNC 65 1300 -1600 100 L 50 50 1 1 O
+X BLUE 66 1300 -1800 100 L 50 50 1 1 O
+X ~HS 67 500 -2650 100 U 50 50 1 1 O
+X GND 68 -500 -2650 100 U 50 50 1 1 W
+X RA6 7 -1400 1100 100 R 50 50 1 1 O
+X RA5 8 -1400 1200 100 R 50 50 1 1 O
+X VCC2 9 -500 2550 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# UM1233-E36
+#
+DEF UM1233-E36 U 0 40 Y Y 1 F N
+F0 "U" 550 -100 50 H V C CNN
+F1 "UM1233-E36" 550 -200 50 H V C CNN
+F2 "" 0 200 50 H I C CNN
+F3 "" 0 200 50 H I C CNN
+DRAW
+S -250 350 250 -350 0 1 0 N
+S 250 300 400 150 0 1 0 N
+X VCC 1 0 450 100 D 50 50 1 1 W
+X VIDEO 2 -350 50 100 R 50 50 1 1 I
+X CH_SEL 3 -350 -50 100 R 50 50 1 1 I
+X GND 4 0 -450 100 U 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+#End Library
diff -r 000000000000 -r e97672cb9a9d AcornElectronKeyboard.pro
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AcornElectronKeyboard.pro	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
diff -r 000000000000 -r e97672cb9a9d AcornElectronKeyboard.sch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AcornElectronKeyboard.sch	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,1386 @@
+EESchema Schematic File Version 4
+EELAYER 26 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
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+$EndDescr
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+AR Path="/61F2273C/621BBC68" Ref="PL?"  Part="1" 
+AR Path="/621BBAD2/621BBC68" Ref="PL?"  Part="1" 
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+F 1 "Keyboard" V 2150 1000 50  0000 C CNN
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+F 3 "~" H 2000 1000 50  0001 C CNN
+	1    2000 1000
+	0    -1   -1   0   
+$EndComp
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+A0
+Text Label 2800 1200 3    50   ~ 0
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+Text Label 1200 1200 3    50   ~ 0
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+Connection ~ 10200 3850
+Wire Wire Line
+	10200 3850 10200 4450
+Connection ~ 10200 4450
+Wire Wire Line
+	1400 3600 2200 3600
+Connection ~ 2200 3600
+Wire Wire Line
+	2200 3600 2800 3600
+Connection ~ 2800 3600
+Wire Wire Line
+	2800 3600 3400 3600
+Connection ~ 3400 3600
+Wire Wire Line
+	3400 3600 4000 3600
+Connection ~ 4000 3600
+Wire Wire Line
+	4000 3600 4600 3600
+Connection ~ 4600 3600
+Wire Wire Line
+	4600 3600 5200 3600
+Connection ~ 5200 3600
+Wire Wire Line
+	5200 3600 5800 3600
+Connection ~ 5800 3600
+Wire Wire Line
+	5800 3600 6400 3600
+Connection ~ 6400 3600
+Wire Wire Line
+	6400 3600 7000 3600
+Connection ~ 7000 3600
+Wire Wire Line
+	7000 3600 7600 3600
+Connection ~ 7600 3600
+Wire Wire Line
+	7600 3600 8200 3600
+Connection ~ 8200 3600
+Wire Wire Line
+	8200 3600 8800 3600
+Connection ~ 8800 3600
+Wire Wire Line
+	8800 3600 9400 3600
+Connection ~ 9400 3600
+Wire Wire Line
+	9400 3600 10000 3600
+Wire Wire Line
+	1500 4200 2200 4200
+Connection ~ 2200 4200
+Wire Wire Line
+	2200 4200 2800 4200
+Connection ~ 2800 4200
+Wire Wire Line
+	2800 4200 3400 4200
+Connection ~ 3400 4200
+Wire Wire Line
+	3400 4200 4000 4200
+Connection ~ 4000 4200
+Wire Wire Line
+	4000 4200 4600 4200
+Connection ~ 4600 4200
+Wire Wire Line
+	4600 4200 5200 4200
+Connection ~ 5200 4200
+Wire Wire Line
+	5200 4200 5800 4200
+Connection ~ 5800 4200
+Wire Wire Line
+	5800 4200 6400 4200
+Connection ~ 6400 4200
+Wire Wire Line
+	6400 4200 7000 4200
+Connection ~ 7000 4200
+Wire Wire Line
+	7000 4200 7600 4200
+Connection ~ 7600 4200
+Wire Wire Line
+	7600 4200 8200 4200
+Connection ~ 8200 4200
+Wire Wire Line
+	8200 4200 8800 4200
+Connection ~ 8800 4200
+Wire Wire Line
+	8800 4200 9400 4200
+Connection ~ 9400 4200
+Wire Wire Line
+	9400 4200 10000 4200
+Wire Wire Line
+	1600 4800 2200 4800
+Connection ~ 2200 4800
+Wire Wire Line
+	2200 4800 2800 4800
+Connection ~ 2800 4800
+Wire Wire Line
+	2800 4800 3400 4800
+Connection ~ 3400 4800
+Wire Wire Line
+	3400 4800 4000 4800
+Connection ~ 4000 4800
+Wire Wire Line
+	4000 4800 4600 4800
+Connection ~ 4600 4800
+Wire Wire Line
+	4600 4800 5200 4800
+Connection ~ 5200 4800
+Wire Wire Line
+	5200 4800 5800 4800
+Connection ~ 5800 4800
+Wire Wire Line
+	5800 4800 6400 4800
+Connection ~ 6400 4800
+Wire Wire Line
+	6400 4800 7000 4800
+Connection ~ 7000 4800
+Wire Wire Line
+	7000 4800 7600 4800
+Connection ~ 7600 4800
+Wire Wire Line
+	7600 4800 8200 4800
+Connection ~ 8200 4800
+Wire Wire Line
+	8200 4800 8800 4800
+Connection ~ 8800 4800
+Wire Wire Line
+	8800 4800 9400 4800
+Wire Wire Line
+	1700 5400 2200 5400
+Connection ~ 2200 5400
+Wire Wire Line
+	2200 5400 2800 5400
+Connection ~ 2800 5400
+Wire Wire Line
+	2800 5400 3400 5400
+Connection ~ 3400 5400
+Wire Wire Line
+	3400 5400 4000 5400
+Connection ~ 4000 5400
+Wire Wire Line
+	4000 5400 4600 5400
+Connection ~ 4600 5400
+Wire Wire Line
+	4600 5400 5200 5400
+Connection ~ 5200 5400
+Wire Wire Line
+	5200 5400 5800 5400
+Connection ~ 5800 5400
+Wire Wire Line
+	5800 5400 6400 5400
+Connection ~ 6400 5400
+Wire Wire Line
+	6400 5400 7000 5400
+Connection ~ 7000 5400
+Wire Wire Line
+	7000 5400 7600 5400
+Connection ~ 7600 5400
+Wire Wire Line
+	7600 5400 8200 5400
+Connection ~ 8200 5400
+Connection ~ 9400 5400
+Wire Wire Line
+	9400 5400 10000 5400
+Wire Wire Line
+	8200 5400 9400 5400
+Wire Wire Line
+	10200 4450 10200 5650
+Text GLabel 1300 1500 3    50   Output ~ 0
+5V
+Text GLabel 1200 1700 3    50   Output ~ 0
+0V
+Text GLabel 11000 3000 2    50   Input ~ 0
+5V
+$Comp
+L Device:R R2
+U 1 1 622063E0
+P 10700 3350
+F 0 "R2" H 10650 3400 50  0000 R CNN
+F 1 "15000R" H 10650 3300 50  0000 R CNN
+F 2 "" V 10630 3350 50  0001 C CNN
+F 3 "~" H 10700 3350 50  0001 C CNN
+	1    10700 3350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10000 3600 10700 3600
+Wire Wire Line
+	10700 3600 10700 3500
+Connection ~ 10000 3600
+Wire Wire Line
+	10000 4200 10700 4200
+Wire Wire Line
+	10700 4200 10700 4100
+Connection ~ 10000 4200
+Wire Wire Line
+	9400 4800 10700 4800
+Wire Wire Line
+	10700 4800 10700 4700
+Connection ~ 9400 4800
+Wire Wire Line
+	10000 5400 10700 5400
+Wire Wire Line
+	10700 5400 10700 5300
+Connection ~ 10000 5400
+Wire Wire Line
+	10700 3200 10700 3000
+Wire Wire Line
+	10700 3000 10900 3000
+Wire Wire Line
+	10700 3800 10900 3800
+Wire Wire Line
+	10900 3800 10900 3000
+Connection ~ 10900 3000
+Wire Wire Line
+	10900 3000 11000 3000
+Wire Wire Line
+	10700 4400 10900 4400
+Wire Wire Line
+	10900 4400 10900 3800
+Connection ~ 10900 3800
+Wire Wire Line
+	10700 5000 10900 5000
+Wire Wire Line
+	10900 5000 10900 4400
+Connection ~ 10900 4400
+Text GLabel 700  2400 0    50   Input ~ 0
+0V
+$Comp
+L Switch:SW_Push SW1
+U 1 1 62237B45
+P 1000 2100
+F 0 "SW1" V 1050 2250 50  0000 L CNN
+F 1 "Break" V 950 2250 50  0000 L CNN
+F 2 "" H 1000 2300 50  0001 C CNN
+F 3 "" H 1000 2300 50  0001 C CNN
+	1    1000 2100
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	700  2400 1000 2400
+Wire Wire Line
+	1000 2400 1000 2300
+Text GLabel 1700 6300 2    50   Input ~ 0
+5V
+Text GLabel 1700 6800 2    50   Input ~ 0
+0V
+$Comp
+L Device:C C1
+U 1 1 62247582
+P 1500 6550
+F 0 "C1" H 1615 6596 50  0000 L CNN
+F 1 "0.47µF" H 1615 6505 50  0000 L CNN
+F 2 "" H 1538 6400 50  0001 C CNN
+F 3 "~" H 1500 6550 50  0001 C CNN
+	1    1500 6550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1500 6700 1500 6800
+Wire Wire Line
+	1500 6800 1700 6800
+Wire Wire Line
+	1500 6400 1500 6300
+Wire Wire Line
+	1500 6300 1700 6300
+$Comp
+L Device:R R1
+U 1 1 622563BF
+P 1100 6050
+F 0 "R1" H 1170 6096 50  0000 L CNN
+F 1 "470R" H 1170 6005 50  0000 L CNN
+F 2 "" V 1030 6050 50  0001 C CNN
+F 3 "~" H 1100 6050 50  0001 C CNN
+	1    1100 6050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:LED D1
+U 1 1 6225652E
+P 1100 5550
+F 0 "D1" V 1045 5628 50  0000 L CNN
+F 1 "LED" V 1136 5628 50  0000 L CNN
+F 2 "" H 1100 5550 50  0001 C CNN
+F 3 "~" H 1100 5550 50  0001 C CNN
+	1    1100 5550
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	1500 6300 1100 6300
+Wire Wire Line
+	1100 6300 1100 6200
+Connection ~ 1500 6300
+Wire Wire Line
+	1100 5900 1100 5700
+$Comp
+L Device:R R3
+U 1 1 62271B97
+P 10700 3950
+F 0 "R3" H 10650 4000 50  0000 R CNN
+F 1 "15000R" H 10650 3900 50  0000 R CNN
+F 2 "" V 10630 3950 50  0001 C CNN
+F 3 "~" H 10700 3950 50  0001 C CNN
+	1    10700 3950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R4
+U 1 1 62271C51
+P 10700 4550
+F 0 "R4" H 10650 4600 50  0000 R CNN
+F 1 "15000R" H 10650 4500 50  0000 R CNN
+F 2 "" V 10630 4550 50  0001 C CNN
+F 3 "~" H 10700 4550 50  0001 C CNN
+	1    10700 4550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R5
+U 1 1 62271CFE
+P 10700 5150
+F 0 "R5" H 10650 5200 50  0000 R CNN
+F 1 "15000R" H 10650 5100 50  0000 R CNN
+F 2 "" V 10630 5150 50  0001 C CNN
+F 3 "~" H 10700 5150 50  0001 C CNN
+	1    10700 5150
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC
diff -r 000000000000 -r e97672cb9a9d sym-lib-table
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sym-lib-table	Sat Feb 26 18:28:58 2022 +0100
@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name AcornElectronKeyboard)(type Legacy)(uri ${KIPRJMOD}/AcornElectronKeyboard.lib)(options "")(descr ""))
+)