Added second header

superbasic.sch

@@ -718,8 +718,6 @@ Text Label 4000 6600 2    50   ~ 0
 A13
 Wire Wire Line
 	2600 4200 2900 4200
-NoConn ~ 1700 2900
-NoConn ~ 2600 2900
 $Comp
 L power:GND #PWR0114
 U 1 1 612BFF78
@@ -757,15 +755,10 @@ Connection ~ 1550 3000
 Wire Wire Line
 	1550 3000 1700 3000
 NoConn ~ 1700 3300
-Wire Wire Line
-	2600 4100 2800 4100
-Wire Wire Line
-	2800 4100 2800 4000
 Wire Wire Line
 	2800 3900 2950 3900
 Wire Wire Line
 	2600 4000 2800 4000
-Connection ~ 2800 4000
 Wire Wire Line
 	2800 4000 2800 3900
 Wire Wire Line
@@ -899,12 +892,371 @@ F 3 "~" H 10300 1100 50  0001 C CNN
 	1    10300 1100
 	1    0    0    -1  
 $EndComp
+$Comp
+L superbasic:ABC-Bus X2
+U 1 1 6105A34D
+P 7550 4350
+F 0 "X2" H 7500 6136 59  0000 C CNN
+F 1 "ABC-Bus" H 7500 6031 59  0000 C CNN
+F 2 "sm6uax:FAB64B" H 6750 4300 50  0001 C CNN
+F 3 "" H 7150 4350 50  0001 C CNN
+	1    7550 4350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1700 2900 1550 2900
+Wire Wire Line
+	1550 2900 1550 2450
+Wire Wire Line
+	1550 2450 2700 2450
+Wire Wire Line
+	2700 2450 2700 2900
+Wire Wire Line
+	2700 2900 2600 2900
+NoConn ~ 2600 4100
+Wire Bus Line
+	8500 2150 6550 2150
+Entry Wire Line
+	6650 3400 6550 3300
+Entry Wire Line
+	6550 3400 6650 3500
+Entry Wire Line
+	6550 3500 6650 3600
+Entry Wire Line
+	6550 3600 6650 3700
+Entry Wire Line
+	6550 3700 6650 3800
+Entry Wire Line
+	6550 3800 6650 3900
+Entry Wire Line
+	6550 3900 6650 4000
+Entry Wire Line
+	6550 4000 6650 4100
+Wire Wire Line
+	6650 4100 7050 4100
+Wire Wire Line
+	6650 4000 7050 4000
+Wire Wire Line
+	6650 3900 7050 3900
+Wire Wire Line
+	6650 3800 7050 3800
+Wire Wire Line
+	6650 3700 7050 3700
+Wire Wire Line
+	6650 3600 7050 3600
+Wire Wire Line
+	6650 3500 7050 3500
+Wire Wire Line
+	6650 3400 7050 3400
+Text Label 6650 3400 0    50   ~ 0
+D7
+Text Label 6650 3500 0    50   ~ 0
+D6
+Text Label 6650 3600 0    50   ~ 0
+D5
+Text Label 6650 3700 0    50   ~ 0
+D4
+Text Label 6650 3800 0    50   ~ 0
+D3
+Text Label 6650 3900 0    50   ~ 0
+D2
+Text Label 6650 4000 0    50   ~ 0
+D1
+Text Label 6650 4100 0    50   ~ 0
+D0
+Text Label 8250 4400 0    50   ~ 0
+A13
+Text Label 8250 4500 0    50   ~ 0
+A12
+Text Label 8250 4200 0    50   ~ 0
+A15
+NoConn ~ 7050 4200
+NoConn ~ 7950 5800
+Entry Wire Line
+	8400 5700 8500 5600
+Entry Wire Line
+	8400 5600 8500 5500
+Wire Wire Line
+	7950 5600 8400 5600
+Wire Wire Line
+	7950 5700 8400 5700
+Wire Wire Line
+	7950 5500 8400 5500
+Wire Wire Line
+	7950 5400 8400 5400
+Wire Wire Line
+	7950 5300 8400 5300
+Wire Wire Line
+	7950 5200 8400 5200
+Wire Wire Line
+	7950 5100 8400 5100
+Wire Wire Line
+	7950 5000 8400 5000
+Entry Wire Line
+	8400 5000 8500 4900
+Entry Wire Line
+	8400 5100 8500 5000
+Entry Wire Line
+	8400 5200 8500 5100
+Entry Wire Line
+	8400 5300 8500 5200
+Entry Wire Line
+	8400 5400 8500 5300
+Entry Wire Line
+	8400 5500 8500 5400
+Text Label 8400 5000 2    50   ~ 0
+A7
+Text Label 8400 5100 2    50   ~ 0
+A6
+Text Label 8400 5200 2    50   ~ 0
+A5
+Text Label 8400 5300 2    50   ~ 0
+A4
+Text Label 8400 5400 2    50   ~ 0
+A3
+Text Label 8400 5500 2    50   ~ 0
+A2
+Text Label 8400 5600 2    50   ~ 0
+A1
+Text Label 8400 5700 2    50   ~ 0
+A0
+$Comp
+L power:+5V #PWR0117
+U 1 1 61177D9F
+P 8350 5950
+F 0 "#PWR0117" H 8350 5800 50  0001 C CNN
+F 1 "+5V" H 8365 6123 50  0000 C CNN
+F 2 "" H 8350 5950 50  0001 C CNN
+F 3 "" H 8350 5950 50  0001 C CNN
+	1    8350 5950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7950 5900 8250 5900
+Wire Wire Line
+	8250 5900 8250 6000
+Wire Wire Line
+	8250 6000 8350 6000
+Wire Wire Line
+	8350 6000 8350 5950
+Wire Wire Line
+	7050 6000 6950 6000
+Wire Wire Line
+	6950 6000 6950 6200
+Wire Wire Line
+	6950 6200 8050 6200
+Wire Wire Line
+	8050 6200 8050 6000
+Wire Wire Line
+	8050 6000 7950 6000
+Wire Wire Line
+	7050 5900 6900 5900
+Wire Wire Line
+	6900 5900 6900 6100
+Wire Wire Line
+	6900 6100 6700 6100
+Wire Wire Line
+	6700 6100 6700 6050
+$Comp
+L power:+5V #PWR0118
+U 1 1 61177DB6
+P 6700 6050
+F 0 "#PWR0118" H 6700 5900 50  0001 C CNN
+F 1 "+5V" H 6715 6223 50  0000 C CNN
+F 2 "" H 6700 6050 50  0001 C CNN
+F 3 "" H 6700 6050 50  0001 C CNN
+	1    6700 6050
+	1    0    0    -1  
+$EndComp
+Text Label 8400 4900 2    50   ~ 0
+A8
+Entry Wire Line
+	8400 4900 8500 4800
+Wire Wire Line
+	7950 4900 8400 4900
+Wire Wire Line
+	7950 4800 8400 4800
+Text Label 8400 4800 2    50   ~ 0
+A9
+Entry Wire Line
+	8400 4800 8500 4700
+Wire Wire Line
+	7950 4700 8400 4700
+Text Label 8400 4700 2    50   ~ 0
+A10
+Entry Wire Line
+	8400 4700 8500 4600
+Text Label 8250 4600 0    50   ~ 0
+A11
+Wire Wire Line
+	7950 4600 8250 4600
+Wire Wire Line
+	7950 4500 8250 4500
+Wire Wire Line
+	7950 4400 8250 4400
+Wire Wire Line
+	7950 4200 8250 4200
+$Comp
+L power:GND #PWR0119
+U 1 1 61177DCE
+P 8300 3900
+F 0 "#PWR0119" H 8300 3650 50  0001 C CNN
+F 1 "GND" H 8305 3727 50  0000 C CNN
+F 2 "" H 8300 3900 50  0001 C CNN
+F 3 "" H 8300 3900 50  0001 C CNN
+	1    8300 3900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7950 3000 8150 3000
+$Comp
+L power:GND #PWR0120
+U 1 1 61177DD9
+P 6700 3050
+F 0 "#PWR0120" H 6700 2800 50  0001 C CNN
+F 1 "GND" H 6705 2877 50  0000 C CNN
+F 2 "" H 6700 3050 50  0001 C CNN
+F 3 "" H 6700 3050 50  0001 C CNN
+	1    6700 3050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6700 3050 6700 3000
+Wire Wire Line
+	6700 3000 6900 3000
+NoConn ~ 7050 3100
+Wire Wire Line
+	6900 3000 6900 3200
+Wire Wire Line
+	6900 3200 7050 3200
+Connection ~ 6900 3000
+Wire Wire Line
+	6900 3000 7050 3000
+NoConn ~ 7050 3300
+Wire Wire Line
+	8150 3900 8300 3900
+Wire Wire Line
+	7950 4000 8150 4000
+Wire Wire Line
+	8150 4000 8150 3900
+Wire Wire Line
+	7950 3900 8150 3900
+Connection ~ 8150 3900
+Wire Wire Line
+	7950 3800 8150 3800
+Wire Wire Line
+	8150 3800 8150 3900
+Wire Wire Line
+	8150 3800 8150 3700
+Connection ~ 8150 3800
+Wire Wire Line
+	7950 3100 8150 3100
+Connection ~ 8150 3100
+Wire Wire Line
+	8150 3100 8150 3000
+Wire Wire Line
+	7950 3400 8150 3400
+Connection ~ 8150 3400
+Wire Wire Line
+	8150 3100 8150 3400
+NoConn ~ 7950 3200
+NoConn ~ 7950 3300
+Wire Wire Line
+	7950 3500 8150 3500
+Connection ~ 8150 3500
+Wire Wire Line
+	8150 3500 8150 3400
+Wire Wire Line
+	7950 3600 8150 3600
+Connection ~ 8150 3600
+Wire Wire Line
+	8150 3600 8150 3500
+Wire Wire Line
+	7950 3700 8150 3700
+Connection ~ 8150 3700
+Wire Wire Line
+	8150 3700 8150 3600
+NoConn ~ 7050 4300
+NoConn ~ 7050 4400
+NoConn ~ 7050 4500
+NoConn ~ 7050 4600
+NoConn ~ 7050 4700
+NoConn ~ 7050 4800
+NoConn ~ 7050 4900
+NoConn ~ 7050 5000
+NoConn ~ 7050 5100
+$Comp
+L power:GND #PWR0121
+U 1 1 61177E0E
+P 6650 5300
+F 0 "#PWR0121" H 6650 5050 50  0001 C CNN
+F 1 "GND" H 6655 5127 50  0000 C CNN
+F 2 "" H 6650 5300 50  0001 C CNN
+F 3 "" H 6650 5300 50  0001 C CNN
+	1    6650 5300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6650 5300 6650 5200
+Wire Wire Line
+	6650 5200 6950 5200
+Wire Wire Line
+	6950 5200 6950 5300
+Wire Wire Line
+	6950 5300 7050 5300
+Connection ~ 6950 5200
+Wire Wire Line
+	6950 5200 7050 5200
+Wire Wire Line
+	6950 5300 6950 5400
+Wire Wire Line
+	6950 5400 7050 5400
+Connection ~ 6950 5300
+Wire Wire Line
+	6950 5400 6950 5500
+Wire Wire Line
+	6950 5500 7050 5500
+Connection ~ 6950 5400
+Wire Wire Line
+	6950 5500 6950 5600
+Wire Wire Line
+	6950 5600 7050 5600
+Connection ~ 6950 5500
+Wire Wire Line
+	6950 5600 6950 5700
+Wire Wire Line
+	6950 5700 7050 5700
+Connection ~ 6950 5600
+NoConn ~ 7050 5800
+Text Label 8250 4300 0    50   ~ 0
+A14
+Wire Wire Line
+	7950 4300 8250 4300
+Wire Wire Line
+	7050 2900 6900 2900
+Wire Wire Line
+	6900 2900 6900 2450
+Wire Wire Line
+	6900 2450 8050 2450
+Wire Wire Line
+	8050 2450 8050 2900
+Wire Wire Line
+	8050 2900 7950 2900
+NoConn ~ 7950 4100
+Wire Bus Line
+	5450 2150 6550 2150
+Connection ~ 5450 2150
+Connection ~ 6550 2150
 Wire Bus Line
 	5450 2150 5450 3850
 Wire Bus Line
 	1200 2150 1200 6000
+Wire Bus Line
+	6550 2150 6550 6000
 Wire Bus Line
 	3700 2150 3700 4250
 Wire Bus Line
 	3150 2150 3150 6000
+Wire Bus Line
+	8500 2150 8500 6000
 $EndSCHEMATC