EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:65xx LIBS:mc6821 LIBS:6502 LIBS:rc6502_backplane LIBS:RC6502 Apple 1 SBC-cache EELAYER 25 0 EELAYER END $Descr A3 16535 11693 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text GLabel 8675 2575 2 60 BiDi ~ 0 D0 Text GLabel 8675 2675 2 60 BiDi ~ 0 D1 Text GLabel 8675 2775 2 60 BiDi ~ 0 D2 Text GLabel 8675 2875 2 60 BiDi ~ 0 D3 Text GLabel 8675 2975 2 60 BiDi ~ 0 D4 Text GLabel 8675 3175 2 60 BiDi ~ 0 D6 Text GLabel 8675 3275 2 60 BiDi ~ 0 D7 Text GLabel 2000 1175 0 60 Input ~ 0 A12 Text GLabel 8675 1675 2 60 Input ~ 0 A1 Text GLabel 8675 1575 2 60 Input ~ 0 A0 Text Notes 13150 10925 2 60 ~ 0 RC6502 Apple 1 SBC Text Notes 15500 11075 2 60 ~ 0 B Text GLabel 8675 3075 2 60 BiDi ~ 0 D5 $Comp L MC6821 U8 U 1 1 594126CF P 8025 2425 F 0 "U8" H 7750 3475 60 0000 C CNN F 1 "6821" V 8025 2375 60 0000 C CNN F 2 "Housings_DIP:DIP-40_W15.24mm_Socket" H 7525 2625 60 0001 C CNN F 3 "" H 7525 2625 60 0000 C CNN 1 8025 2425 -1 0 0 -1 $EndComp Text GLabel 8675 1975 2 60 Input ~ 0 RESET Text GLabel 8675 1775 2 60 Input ~ 0 PHI2 $Comp L 74LS138 U3 U 1 1 594126D0 P 2600 1525 F 0 "U3" H 2600 2025 50 0000 C CNN F 1 "74HCT138" V 2600 1525 50 0000 C CNN F 2 "Housings_DIP:DIP-16_W7.62mm_Socket" H 2600 1525 50 0001 C CNN F 3 "" H 2600 1525 50 0001 C CNN 1 2600 1525 1 0 0 -1 $EndComp Text GLabel 8675 1875 2 60 Input ~ 0 RW Text GLabel 2000 1275 0 60 Input ~ 0 A13 Text GLabel 2000 1375 0 60 Input ~ 0 A14 Text GLabel 2000 1675 0 60 Input ~ 0 A15 NoConn ~ 3200 1175 NoConn ~ 3200 1275 NoConn ~ 3200 1375 NoConn ~ 3200 1475 NoConn ~ 3200 1575 Text GLabel 7375 2175 0 60 Input ~ 0 KBD_STROBE Text GLabel 7375 2275 0 60 Output ~ 0 KBD_READY NoConn ~ 8675 2175 NoConn ~ 8675 2275 Text GLabel 8675 1475 2 60 Input ~ 0 A4 $Comp L C C12 U 1 1 594126D2 P 5975 3575 F 0 "C12" H 6000 3675 50 0000 L CNN F 1 "10nF" H 6000 3475 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 5975 3575 50 0001 C CNN F 3 "" H 5975 3575 50 0001 C CNN 1 5975 3575 0 -1 -1 0 $EndComp Text GLabel 7375 3475 0 60 Input ~ 0 OUT_RDA Text GLabel 5550 3275 0 60 Output ~ 0 OUT_DA Text GLabel 7375 1275 0 60 Input ~ 0 KBD_D0 Text GLabel 7375 1375 0 60 Input ~ 0 KBD_D1 Text GLabel 7375 1475 0 60 Input ~ 0 KBD_D2 Text GLabel 7375 1575 0 60 Input ~ 0 KBD_D3 Text GLabel 7375 1675 0 60 Input ~ 0 KBD_D4 Text GLabel 7375 1775 0 60 Input ~ 0 KBD_D5 Text GLabel 7375 1875 0 60 Input ~ 0 KBD_D6 Text GLabel 7375 2575 0 60 Output ~ 0 OUT_D0 Text GLabel 7375 2675 0 60 Output ~ 0 OUT_D1 Text GLabel 7375 2775 0 60 Output ~ 0 OUT_D2 Text GLabel 7375 2875 0 60 Output ~ 0 OUT_D3 Text GLabel 7375 2975 0 60 Output ~ 0 OUT_D4 Text GLabel 7375 3075 0 60 Output ~ 0 OUT_D5 Text GLabel 7375 3175 0 60 Output ~ 0 OUT_D6 $Comp L MCP23S17 U9 U 1 1 594126D3 P 11625 2625 F 0 "U9" H 11375 3575 50 0000 R CNN F 1 "MCP23S17" V 11625 2625 50 0000 C CNN F 2 "Housings_DIP:DIP-28_W7.62mm_Socket" H 11675 1675 50 0001 L CNN F 3 "" H 11875 3625 50 0001 C CNN 1 11625 2625 1 0 0 -1 $EndComp Text GLabel 11125 2725 0 60 Input ~ 0 OUT_D0 Text GLabel 11125 2825 0 60 Input ~ 0 OUT_D1 Text GLabel 11125 2925 0 60 Input ~ 0 OUT_D2 Text GLabel 11125 3025 0 60 Input ~ 0 OUT_D3 Text GLabel 11125 3125 0 60 Input ~ 0 OUT_D4 Text GLabel 11125 3225 0 60 Input ~ 0 OUT_D5 Text GLabel 11125 3325 0 60 Input ~ 0 OUT_D6 $Comp L Arduino_Nano_Header J2 U 1 1 594126D4 P 13850 2525 F 0 "J2" H 13850 3325 60 0000 C CNN F 1 "Arduino Nano" V 13850 2525 60 0000 C CNN F 2 "Modules:Arduino_Nano" H 13850 2525 60 0001 C CNN F 3 "" H 13850 2525 60 0000 C CNN 1 13850 2525 1 0 0 -1 $EndComp $Comp L R R9 U 1 1 594126D5 P 12625 2500 F 0 "R9" V 12705 2500 50 0000 C CNN F 1 "10k" V 12625 2500 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 12555 2500 50 0001 C CNN F 3 "" H 12625 2500 50 0001 C CNN 1 12625 2500 -1 0 0 -1 $EndComp Wire Wire Line 2000 1775 1700 1775 Wire Wire Line 1700 1775 1700 1950 Wire Wire Line 2000 1875 1700 1875 Connection ~ 1700 1875 Wire Wire Line 7025 3575 7375 3575 Wire Wire Line 5550 3275 7375 3275 Wire Wire Line 5725 3575 5825 3575 Wire Wire Line 5725 3275 5725 3575 Wire Wire Line 12125 3225 12275 3225 Wire Wire Line 12125 3325 12275 3325 Wire Wire Line 12275 3225 12275 3700 Wire Wire Line 12275 3425 12125 3425 Connection ~ 12275 3325 Connection ~ 12275 3425 Wire Wire Line 14200 1925 15175 1925 Wire Wire Line 12125 2825 12525 2825 Wire Wire Line 12125 2725 12625 2725 Text GLabel 13500 2225 0 60 Input ~ 0 KBD_READY Text GLabel 13500 2425 0 60 Output ~ 0 KBD_STROBE Text GLabel 13500 2525 0 60 Output ~ 0 OUT_RDA Text GLabel 13500 2325 0 60 Input ~ 0 OUT_DA Text GLabel 11125 1825 0 60 Output ~ 0 KBD_D0 Text GLabel 11125 1925 0 60 Output ~ 0 KBD_D1 Text GLabel 11125 2025 0 60 Output ~ 0 KBD_D2 Text GLabel 11125 2125 0 60 Output ~ 0 KBD_D3 Text GLabel 11125 2225 0 60 Output ~ 0 KBD_D4 Text GLabel 11125 2325 0 60 Output ~ 0 KBD_D5 Text GLabel 11125 2425 0 60 Output ~ 0 KBD_D6 Text GLabel 11125 2525 0 60 Output ~ 0 KBD_D7 Wire Wire Line 12775 3125 13500 3125 Wire Wire Line 12425 2925 12125 2925 Wire Wire Line 12975 3025 13500 3025 Wire Wire Line 12975 2825 12975 3025 Wire Wire Line 12275 1825 12125 1825 NoConn ~ 12125 2225 NoConn ~ 12125 2325 NoConn ~ 14200 3125 NoConn ~ 14200 3025 NoConn ~ 14200 2925 NoConn ~ 14200 2825 NoConn ~ 14200 2725 NoConn ~ 14200 2625 NoConn ~ 14200 2525 NoConn ~ 14200 2425 NoConn ~ 14200 2325 NoConn ~ 14200 2225 NoConn ~ 14200 1825 NoConn ~ 13500 2025 NoConn ~ 13500 2125 NoConn ~ 11125 3425 Text GLabel 7375 1975 0 60 Input ~ 0 KBD_D7 Text GLabel 14350 2025 2 60 Output ~ 0 P_RESET Text GLabel 12275 1825 2 60 Input ~ 0 P_RESET Wire Wire Line 12675 3125 12325 3125 Wire Wire Line 12325 3125 12325 3025 Wire Wire Line 12325 3025 12125 3025 Wire Wire Line 12425 2925 12425 3025 Wire Wire Line 12425 3025 12775 3025 Wire Wire Line 12525 2825 12525 2925 Wire Wire Line 12525 2925 12875 2925 Wire Wire Line 12625 2650 12625 2825 Wire Wire Line 12625 2825 12975 2825 Wire Wire Line 12775 3025 12775 3125 Wire Wire Line 12675 3125 12675 3225 Wire Wire Line 12675 3225 13500 3225 Wire Wire Line 12875 3350 14275 3350 Wire Wire Line 12875 2925 12875 3350 NoConn ~ 13500 2825 NoConn ~ 13500 2925 Wire Wire Line 14200 2125 14875 2125 Wire Wire Line 14350 2025 14200 2025 Wire Wire Line 12275 3625 11625 3625 Connection ~ 12275 3625 $Comp L HM62256BLP-7 U2 U 1 1 5941878A P 11200 6125 F 0 "U2" H 10900 7025 50 0000 C CNN F 1 "HM62256BLP-7" V 11200 6150 50 0000 C CNN F 2 "Housings_DIP:DIP-28_W15.24mm_Socket" H 11200 6125 50 0001 C CIN F 3 "" H 11200 6125 50 0001 C CNN 1 11200 6125 1 0 0 -1 $EndComp Text GLabel 11700 5375 2 60 Input ~ 0 D0 Text GLabel 11700 5475 2 60 Input ~ 0 D1 Text GLabel 11700 5575 2 60 Input ~ 0 D2 Text GLabel 11700 5675 2 60 Input ~ 0 D3 Text GLabel 11700 5775 2 60 Input ~ 0 D4 Text GLabel 11700 5875 2 60 Input ~ 0 D5 Text GLabel 11700 5975 2 60 Input ~ 0 D6 Text GLabel 11700 6075 2 60 Input ~ 0 D7 Text GLabel 10700 6775 0 60 Input ~ 0 A14 Text GLabel 10700 6675 0 60 Input ~ 0 A13 Text GLabel 10700 6575 0 60 Input ~ 0 A12 Text GLabel 10700 6475 0 60 Input ~ 0 A11 Text GLabel 10700 6375 0 60 Input ~ 0 A10 Text GLabel 10700 6275 0 60 Input ~ 0 A9 Text GLabel 10700 6175 0 60 Input ~ 0 A8 Text GLabel 10700 6075 0 60 Input ~ 0 A7 Text GLabel 10700 5975 0 60 Input ~ 0 A6 Text GLabel 10700 5875 0 60 Input ~ 0 A5 Text GLabel 10700 5775 0 60 Input ~ 0 A4 Text GLabel 10700 5675 0 60 Input ~ 0 A3 Text GLabel 10700 5575 0 60 Input ~ 0 A2 Text GLabel 10700 5475 0 60 Input ~ 0 A1 Text GLabel 10700 5375 0 60 Input ~ 0 A0 Wire Wire Line 11700 6475 11850 6475 Text GLabel 3650 5300 2 60 Output ~ 0 PHI2 Text GLabel 3650 5200 2 60 Input ~ 0 RESET $Comp L R R6 U 1 1 5941A3D5 P 1225 5300 F 0 "R6" V 1305 5300 50 0000 C CNN F 1 "3.3k" V 1225 5300 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1155 5300 50 0001 C CNN F 3 "" H 1225 5300 50 0001 C CNN 1 1225 5300 0 1 1 0 $EndComp $Comp L R R7 U 1 1 5941A3D6 P 1225 5500 F 0 "R7" V 1305 5500 50 0000 C CNN F 1 "3.3k" V 1225 5500 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1155 5500 50 0001 C CNN F 3 "" H 1225 5500 50 0001 C CNN 1 1225 5500 0 1 1 0 $EndComp $Comp L R R8 U 1 1 5941A3D7 P 1225 5700 F 0 "R8" V 1305 5700 50 0000 C CNN F 1 "3.3k" V 1225 5700 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1155 5700 50 0001 C CNN F 3 "" H 1225 5700 50 0001 C CNN 1 1225 5700 0 1 1 0 $EndComp $Comp L 6502 U1 U 1 1 5941A3D9 P 3000 6100 F 0 "U1" H 3000 4950 60 0000 C CNN F 1 "6502" V 3000 6000 60 0000 C CNN F 2 "Housings_DIP:DIP-40_W15.24mm_Socket" H 2500 6300 60 0001 C CNN F 3 "" H 2500 6300 60 0000 C CNN 1 3000 6100 1 0 0 -1 $EndComp Text GLabel 3650 5800 2 60 Output ~ 0 RW Wire Wire Line 1025 5100 1025 5900 Wire Wire Line 1025 5900 2350 5900 Wire Wire Line 1075 5700 1025 5700 Connection ~ 1025 5700 Wire Wire Line 1075 5500 1025 5500 Connection ~ 1025 5500 Wire Wire Line 1075 5300 1025 5300 Connection ~ 1025 5300 Wire Wire Line 1375 5300 2350 5300 Text GLabel 2350 6000 0 60 Output ~ 0 A0 Text GLabel 2350 6100 0 60 Output ~ 0 A1 Text GLabel 2350 6200 0 60 Output ~ 0 A2 Text GLabel 2350 6300 0 60 Output ~ 0 A3 Text GLabel 2350 6400 0 60 Output ~ 0 A4 Text GLabel 2350 6500 0 60 Output ~ 0 A5 Text GLabel 2350 6600 0 60 Output ~ 0 A6 Text GLabel 2350 6700 0 60 Output ~ 0 A7 Text GLabel 2350 6800 0 60 Output ~ 0 A8 Text GLabel 2350 6900 0 60 Output ~ 0 A9 Text GLabel 2350 7000 0 60 Output ~ 0 A10 Text GLabel 2350 7100 0 60 Output ~ 0 A11 Text GLabel 3650 6700 2 60 Output ~ 0 A15 Text GLabel 3650 6800 2 60 Output ~ 0 A14 Text GLabel 3650 6900 2 60 Output ~ 0 A13 Text GLabel 3650 7000 2 60 Output ~ 0 A12 Text GLabel 3650 5900 2 60 Output ~ 0 D0 Text GLabel 3650 6000 2 60 Output ~ 0 D1 Text GLabel 3650 6100 2 60 Output ~ 0 D2 Text GLabel 3650 6200 2 60 Output ~ 0 D3 Text GLabel 3650 6300 2 60 Output ~ 0 D4 Text GLabel 3650 6400 2 60 Output ~ 0 D5 Text GLabel 3650 6600 2 60 Output ~ 0 D7 Text GLabel 3650 6500 2 60 Output ~ 0 D6 NoConn ~ 3650 5700 NoConn ~ 2350 5600 Text GLabel 3650 5500 2 60 Input ~ 0 CLOCK $Comp L CONN_01X02 J1 U 1 1 5941A3E0 P 2175 5000 F 0 "J1" H 2175 5150 50 0000 C CNN F 1 "VP GND" V 2275 5000 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 2175 5000 50 0001 C CNN F 3 "" H 2175 5000 50 0001 C CNN 1 2175 5000 1 0 0 -1 $EndComp Wire Wire Line 1900 5200 2350 5200 Wire Wire Line 3650 5400 4275 5400 Wire Wire Line 1375 5700 2350 5700 Wire Wire Line 1375 5500 2350 5500 Text GLabel 8725 5025 2 60 Input ~ 0 D0 Text GLabel 8725 5125 2 60 Input ~ 0 D1 Text GLabel 8725 5225 2 60 Input ~ 0 D2 Text GLabel 8725 5325 2 60 Input ~ 0 D3 Text GLabel 8725 5425 2 60 Input ~ 0 D4 Text GLabel 8725 5625 2 60 Input ~ 0 D6 Text GLabel 8725 5725 2 60 Input ~ 0 D7 Text GLabel 7325 6225 0 60 Input ~ 0 A12 Text GLabel 7325 6125 0 60 Input ~ 0 A11 Text GLabel 7325 6025 0 60 Input ~ 0 A10 Text GLabel 7325 5925 0 60 Input ~ 0 A9 Text GLabel 7325 5825 0 60 Input ~ 0 A8 Text GLabel 7325 5725 0 60 Input ~ 0 A7 Text GLabel 7325 5625 0 60 Input ~ 0 A6 Text GLabel 7325 5525 0 60 Input ~ 0 A5 Text GLabel 7325 5425 0 60 Input ~ 0 A4 Text GLabel 7325 5325 0 60 Input ~ 0 A3 Text GLabel 7325 5225 0 60 Input ~ 0 A2 Text GLabel 7325 5125 0 60 Input ~ 0 A1 Text GLabel 7325 5025 0 60 Input ~ 0 A0 Text GLabel 8725 5525 2 60 Input ~ 0 D5 $Comp L 28C256 U4 U 1 1 5941C8BB P 8025 5925 F 0 "U4" H 8225 6925 50 0000 C CNN F 1 "28C256" H 8325 4925 50 0000 C CNN F 2 "Housings_DIP:DIP-28_W15.24mm_Socket" H 8025 5925 50 0001 C CNN F 3 "" H 8025 5925 50 0001 C CNN 1 8025 5925 1 0 0 -1 $EndComp $Comp L Jumper_NC_Dual A13 U 1 1 5941C8BC P 7350 7950 F 0 "A13" H 7400 7850 50 0000 L CNN F 1 "A13 Select" H 7350 8050 50 0000 C BNN F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 7350 7950 50 0001 C CNN F 3 "" H 7350 7950 50 0001 C CNN 1 7350 7950 0 -1 1 0 $EndComp $Comp L Jumper_NC_Dual A14 U 1 1 5941C8BD P 8100 7950 F 0 "A14" H 8150 7850 50 0000 L CNN F 1 "A14 Select" H 8100 8050 50 0000 C BNN F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 8100 7950 50 0001 C CNN F 3 "" H 8100 7950 50 0001 C CNN 1 8100 7950 0 -1 1 0 $EndComp Text GLabel 7325 6325 0 60 Input ~ 0 A13_W Text GLabel 7325 6425 0 60 Input ~ 0 A14_W Text GLabel 7450 7950 2 60 Output ~ 0 A13_W Text GLabel 8200 7950 2 60 Output ~ 0 A14_W Wire Wire Line 7325 6725 7225 6725 Wire Wire Line 7225 6725 7225 7050 Wire Wire Line 7225 6825 7325 6825 Connection ~ 7225 6825 $Comp L R R1 U 1 1 5941C8C9 P 7125 6625 F 0 "R1" V 7205 6625 50 0000 C CNN F 1 "3.3k" V 7125 6625 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7055 6625 50 0001 C CNN F 3 "" H 7125 6625 50 0001 C CNN 1 7125 6625 0 1 1 0 $EndComp $Comp L NE555 U6 U 1 1 59421FC7 P 3600 9700 F 0 "U6" H 3200 10050 50 0000 L CNN F 1 "NE555" H 3200 9350 50 0000 L CNN F 2 "Housings_DIP:DIP-8_W7.62mm" H 3600 9700 50 0001 C CNN F 3 "" H 3600 9700 50 0001 C CNN 1 3600 9700 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 59421FC8 P 2600 9250 F 0 "R2" V 2525 9250 50 0000 C CNN F 1 "1M" V 2600 9250 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2530 9250 50 0001 C CNN F 3 "" H 2600 9250 50 0001 C CNN 1 2600 9250 1 0 0 -1 $EndComp $Comp L C C6 U 1 1 59421FC9 P 2600 10150 F 0 "C6" H 2625 10250 50 0000 L CNN F 1 "100nF" H 2625 10050 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2638 10000 50 0001 C CNN F 3 "" H 2600 10150 50 0001 C CNN 1 2600 10150 1 0 0 -1 $EndComp $Comp L C C11 U 1 1 59421FCA P 4900 10125 F 0 "C11" H 4925 10225 50 0000 L CNN F 1 "100nF" H 4925 10025 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4938 9975 50 0001 C CNN F 3 "" H 4900 10125 50 0001 C CNN 1 4900 10125 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 59421FCB P 4525 9550 F 0 "R3" V 4450 9550 50 0000 C CNN F 1 "47k" V 4525 9550 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4455 9550 50 0001 C CNN F 3 "" H 4525 9550 50 0001 C CNN 1 4525 9550 1 0 0 -1 $EndComp $Comp L CP C10 U 1 1 59421FCC P 4525 10125 F 0 "C10" H 4550 10225 50 0000 L CNN F 1 "10uF" H 4550 10025 50 0000 L CNN F 2 "Capacitors_THT:CP_Radial_D4.0mm_P2.00mm" H 4563 9975 50 0001 C CNN F 3 "" H 4525 10125 50 0001 C CNN 1 4525 10125 1 0 0 -1 $EndComp $Comp L SW_SPST SW1 U 1 1 59421FCE P 2150 9975 F 0 "SW1" H 2150 10100 50 0000 C CNN F 1 "RESET" H 2150 9875 50 0000 C CNN F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 2150 9975 50 0001 C CNN F 3 "" H 2150 9975 50 0001 C CNN 1 2150 9975 0 -1 -1 0 $EndComp NoConn ~ 3100 9700 $Comp L ACO-xxxMHz X1 U 1 1 59421FD0 P 1175 9725 F 0 "X1" H 975 9975 50 0000 L CNN F 1 "1MHz" H 1225 9475 50 0000 L CNN F 2 "Oscillator:Oscillator_DIP-14" H 1625 9375 50 0001 C CNN F 3 "" H 1075 9725 50 0001 C CNN 1 1175 9725 1 0 0 -1 $EndComp Text GLabel 1825 9525 1 60 Output ~ 0 CLOCK $Comp L LED D1 U 1 1 59421FD7 P 3825 3350 F 0 "D1" H 3825 3450 50 0000 C CNN F 1 "Power" H 3825 3250 50 0000 C CNN F 2 "LEDs:LED_D5.0mm" H 3825 3350 50 0001 C CNN F 3 "" H 3825 3350 50 0001 C CNN 1 3825 3350 -1 0 0 1 $EndComp Wire Wire Line 3600 8975 3600 9300 Wire Wire Line 3600 10475 3600 10100 Wire Wire Line 2600 9100 2600 8975 Connection ~ 3600 8975 Wire Wire Line 2150 9500 3100 9500 Wire Wire Line 2600 10475 2600 10300 Connection ~ 3600 10475 Connection ~ 2600 9500 Wire Wire Line 2600 9400 2600 10000 Connection ~ 2600 10475 Wire Wire Line 3100 9900 2950 9900 Wire Wire Line 2950 9900 2950 8975 Connection ~ 2950 8975 Connection ~ 4525 8975 Wire Wire Line 4525 10475 4525 10275 Connection ~ 4525 10475 Wire Wire Line 4525 9700 4525 9975 Wire Wire Line 4100 9700 4300 9700 Wire Wire Line 1175 10475 4900 10475 Wire Wire Line 4300 9700 4300 9900 Wire Wire Line 4300 9775 4525 9775 Connection ~ 4525 9775 Wire Wire Line 4300 9900 4100 9900 Connection ~ 4300 9775 Wire Wire Line 4225 9500 4100 9500 Wire Wire Line 2150 9500 2150 9775 Wire Wire Line 2150 10175 2150 10475 Wire Wire Line 1175 10025 1175 10475 Connection ~ 2150 10475 Connection ~ 2600 8975 Wire Wire Line 1175 8900 1175 9425 $Comp L R R5 U 1 1 59421FD8 P 3450 3350 F 0 "R5" V 3530 3350 50 0000 C CNN F 1 "330" V 3450 3350 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3380 3350 50 0001 C CNN F 3 "" H 3450 3350 50 0001 C CNN 1 3450 3350 0 -1 -1 0 $EndComp Wire Wire Line 3600 3350 3675 3350 $Comp L 74LS04 U7 U 2 1 5942DAF5 P 5650 9200 F 0 "U7" H 5845 9315 50 0000 C CNN F 1 "74HCT04" H 5840 9075 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 5650 9200 50 0001 C CNN F 3 "" H 5650 9200 50 0001 C CNN 2 5650 9200 1 0 0 -1 $EndComp Text GLabel 6225 9725 3 60 Output ~ 0 RESET $Comp L R R4 U 1 1 5942DC01 P 5675 9600 F 0 "R4" V 5755 9600 50 0000 C CNN F 1 "1k" V 5675 9600 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5605 9600 50 0001 C CNN F 3 "" H 5675 9600 50 0001 C CNN 1 5675 9600 0 1 1 0 $EndComp Wire Wire Line 4900 10275 4900 10550 Wire Wire Line 6100 9200 6225 9200 Wire Wire Line 6225 9200 6225 9725 Wire Wire Line 4525 8975 4525 9400 Wire Wire Line 4900 8975 4900 9975 Connection ~ 4900 9600 Wire Wire Line 5200 9200 4225 9200 Wire Wire Line 4225 9200 4225 9500 Wire Wire Line 1175 8975 4900 8975 Wire Wire Line 5525 9600 4900 9600 Wire Wire Line 6225 9600 5825 9600 Connection ~ 1175 8975 Connection ~ 6225 9600 Text GLabel 8675 1275 2 60 Input ~ 0 CS_PIA Text GLabel 4850 950 2 60 Output ~ 0 CS_PIA $Comp L 74HCT00 U5 U 2 1 5944A207 P 4250 1825 F 0 "U5" H 4250 1875 50 0000 C CNN F 1 "74HCT00" H 4250 1725 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 4250 1825 50 0001 C CNN F 3 "" H 4250 1825 50 0001 C CNN 2 4250 1825 1 0 0 -1 $EndComp $Comp L 74HCT00 U5 U 1 1 5944BF60 P 4250 1275 F 0 "U5" H 4250 1325 50 0000 C CNN F 1 "74HCT00" H 4250 1175 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 4250 1275 50 0001 C CNN F 3 "" H 4250 1275 50 0001 C CNN 1 4250 1275 1 0 0 -1 $EndComp Wire Wire Line 3200 1775 3650 1775 Wire Wire Line 3650 1775 3650 1725 Wire Wire Line 3200 1875 3650 1875 Wire Wire Line 3650 1875 3650 1925 Wire Wire Line 3550 1275 3650 1275 Wire Wire Line 3650 1175 3650 1375 Connection ~ 3650 1275 Text GLabel 4850 1275 2 60 Output ~ 0 CS_ROM Wire Wire Line 3550 1275 3550 1550 Wire Wire Line 3550 1550 4850 1550 Wire Wire Line 4850 1550 4850 1825 Wire Wire Line 3200 1675 3400 1675 Text GLabel 7550 7150 2 60 Input ~ 0 CS_ROM $Comp L 74HCT00 U5 U 3 1 5945BB1F P 13000 5800 F 0 "U5" H 13000 5850 50 0000 C CNN F 1 "74HCT00" H 13000 5700 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 13000 5800 50 0001 C CNN F 3 "" H 13000 5800 50 0001 C CNN 3 13000 5800 1 0 0 -1 $EndComp $Comp L 74HCT00 U5 U 4 1 5945BB97 P 13000 6325 F 0 "U5" H 13000 6375 50 0000 C CNN F 1 "74HCT00" H 13000 6225 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 13000 6325 50 0001 C CNN F 3 "" H 13000 6325 50 0001 C CNN 4 13000 6325 -1 0 0 1 $EndComp Text GLabel 12325 5800 0 60 Input ~ 0 RW Wire Wire Line 12400 5700 12400 5900 Connection ~ 12400 5800 Text GLabel 13675 6425 2 60 Input ~ 0 PHI2 Wire Wire Line 11700 6325 12400 6325 Wire Wire Line 13600 5800 13600 6225 $Comp L 74LS04 U7 U 6 1 5946AD55 P 8850 10300 F 0 "U7" H 9045 10415 50 0000 C CNN F 1 "74HCT04" H 9040 10175 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 8850 10300 50 0001 C CNN F 3 "" H 8850 10300 50 0001 C CNN 6 8850 10300 0 1 -1 0 $EndComp $Comp L 74LS04 U7 U 5 1 5946B119 P 8500 10300 F 0 "U7" H 8695 10415 50 0000 C CNN F 1 "74HCT04" H 8690 10175 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 8500 10300 50 0001 C CNN F 3 "" H 8500 10300 50 0001 C CNN 5 8500 10300 0 1 -1 0 $EndComp $Comp L 74LS04 U7 U 4 1 5946B1A2 P 8150 10300 F 0 "U7" H 8345 10415 50 0000 C CNN F 1 "74HCT04" H 8340 10175 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 8150 10300 50 0001 C CNN F 3 "" H 8150 10300 50 0001 C CNN 4 8150 10300 0 1 -1 0 $EndComp $Comp L 74LS04 U7 U 3 1 5946B22E P 7800 10300 F 0 "U7" H 7995 10415 50 0000 C CNN F 1 "74HCT04" H 7990 10175 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 7800 10300 50 0001 C CNN F 3 "" H 7800 10300 50 0001 C CNN 3 7800 10300 0 1 -1 0 $EndComp Wire Wire Line 7800 10750 8850 10750 Connection ~ 8150 10750 Connection ~ 8500 10750 Connection ~ 8850 10750 NoConn ~ 7800 9850 NoConn ~ 8150 9850 NoConn ~ 8500 9850 NoConn ~ 8850 9850 $Comp L C C8 U 1 1 5946F39E P 11200 10550 F 0 "C8" H 11225 10650 50 0000 L CNN F 1 "100nF" H 11225 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 11238 10400 50 0001 C CNN F 3 "" H 11200 10550 50 0001 C CNN 1 11200 10550 1 0 0 -1 $EndComp Wire Wire Line 11500 10350 11500 10400 Wire Wire Line 11500 10700 11500 10825 $Comp L C C7 U 1 1 594709B1 P 10900 10550 F 0 "C7" H 10925 10650 50 0000 L CNN F 1 "100nF" H 10925 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10938 10400 50 0001 C CNN F 3 "" H 10900 10550 50 0001 C CNN 1 10900 10550 1 0 0 -1 $EndComp $Comp L C C5 U 1 1 59470A42 P 10600 10550 F 0 "C5" H 10625 10650 50 0000 L CNN F 1 "100nF" H 10625 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10638 10400 50 0001 C CNN F 3 "" H 10600 10550 50 0001 C CNN 1 10600 10550 1 0 0 -1 $EndComp $Comp L C C4 U 1 1 59470AD4 P 10300 10550 F 0 "C4" H 10325 10650 50 0000 L CNN F 1 "100nF" H 10325 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10338 10400 50 0001 C CNN F 3 "" H 10300 10550 50 0001 C CNN 1 10300 10550 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 59470B69 P 10000 10550 F 0 "C3" H 10025 10650 50 0000 L CNN F 1 "100nF" H 10025 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10038 10400 50 0001 C CNN F 3 "" H 10000 10550 50 0001 C CNN 1 10000 10550 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 59470C05 P 9700 10550 F 0 "C2" H 9725 10650 50 0000 L CNN F 1 "100nF" H 9725 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 9738 10400 50 0001 C CNN F 3 "" H 9700 10550 50 0001 C CNN 1 9700 10550 1 0 0 -1 $EndComp $Comp L C C1 U 1 1 59470CA0 P 9400 10550 F 0 "C1" H 9425 10650 50 0000 L CNN F 1 "100nF" H 9425 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 9438 10400 50 0001 C CNN F 3 "" H 9400 10550 50 0001 C CNN 1 9400 10550 1 0 0 -1 $EndComp Wire Wire Line 9400 10350 11500 10350 Wire Wire Line 9700 10350 9700 10400 Wire Wire Line 10000 10400 10000 10350 Connection ~ 10000 10350 Wire Wire Line 10300 10400 10300 10350 Connection ~ 10300 10350 Wire Wire Line 10600 10400 10600 10350 Connection ~ 10600 10350 Wire Wire Line 10900 10400 10900 10350 Connection ~ 10900 10350 Wire Wire Line 11200 10400 11200 10350 Connection ~ 11200 10350 Wire Wire Line 9700 10700 9700 10750 Wire Wire Line 9400 10750 11500 10750 Connection ~ 11500 10750 Wire Wire Line 11200 10700 11200 10750 Connection ~ 11200 10750 Wire Wire Line 10900 10700 10900 10750 Connection ~ 10900 10750 Wire Wire Line 10600 10700 10600 10750 Connection ~ 10600 10750 Wire Wire Line 10300 10700 10300 10750 Connection ~ 10300 10750 Wire Wire Line 10000 10700 10000 10750 Connection ~ 10000 10750 Text GLabel 15400 7925 0 60 Input ~ 0 PHI2 Text GLabel 15400 7825 0 60 Output ~ 0 RESET $Comp L RC6502_Backplane J3 U 1 1 594828B6 P 15600 7825 F 0 "J3" H 15600 9825 50 0000 C CNN F 1 "Backplane" H 15600 5800 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 15600 7825 50 0001 C CNN F 3 "" H 15600 7825 50 0001 C CNN 1 15600 7825 1 0 0 1 $EndComp Text GLabel 15400 7425 0 60 Input ~ 0 RW Text GLabel 15400 9725 0 60 Input ~ 0 A15 Text GLabel 15400 9625 0 60 Input ~ 0 A14 Text GLabel 15400 9525 0 60 Input ~ 0 A13 Text GLabel 15400 9425 0 60 Input ~ 0 A12 Text GLabel 15400 9325 0 60 Input ~ 0 A11 Text GLabel 15400 9225 0 60 Input ~ 0 A10 Text GLabel 15400 9125 0 60 Input ~ 0 A9 Text GLabel 15400 9025 0 60 Input ~ 0 A8 Text GLabel 15400 8925 0 60 Input ~ 0 A7 Text GLabel 15400 8825 0 60 Input ~ 0 A6 Text GLabel 15400 8725 0 60 Input ~ 0 A5 Text GLabel 15400 8625 0 60 Input ~ 0 A4 Text GLabel 15400 8525 0 60 Input ~ 0 A3 Text GLabel 15400 8425 0 60 Input ~ 0 A2 Text GLabel 15400 8325 0 60 Input ~ 0 A1 Text GLabel 15400 8225 0 60 Input ~ 0 A0 Text GLabel 15400 7725 0 60 BiDi ~ 0 CLOCK Text GLabel 15400 7625 0 60 Output ~ 0 IRQ Text GLabel 15400 7125 0 60 BiDi ~ 0 D0 Text GLabel 15400 7025 0 60 BiDi ~ 0 D1 Text GLabel 15400 6925 0 60 BiDi ~ 0 D2 Text GLabel 15400 6825 0 60 BiDi ~ 0 D3 Text GLabel 15400 6725 0 60 BiDi ~ 0 D4 Text GLabel 15400 6625 0 60 BiDi ~ 0 D5 Text GLabel 15400 6525 0 60 BiDi ~ 0 D6 Text GLabel 15400 6425 0 60 BiDi ~ 0 D7 Text GLabel 15400 6125 0 60 Input ~ 0 NMI Text GLabel 15400 7325 0 60 Input ~ 0 RDY Text GLabel 15400 7225 0 60 Input ~ 0 SYNC Text GLabel 2350 5800 0 60 Output ~ 0 SYNC Text GLabel 1900 5975 3 60 Output ~ 0 RDY Text GLabel 4650 625 0 60 Input ~ 0 A15 Text GLabel 4850 625 2 60 Output ~ 0 CS_RAM Wire Wire Line 4650 625 4850 625 Text GLabel 11525 7150 0 60 Input ~ 0 CS_RAM Wire Wire Line 1900 5975 1900 5300 Connection ~ 1900 5300 Text GLabel 1750 5975 3 60 Output ~ 0 IRQ Wire Wire Line 1750 5975 1750 5500 Connection ~ 1750 5500 Text GLabel 1600 5975 3 60 Output ~ 0 NMI Wire Wire Line 1600 5975 1600 5700 Connection ~ 1600 5700 Text GLabel 15400 6225 0 60 Output ~ 0 RX Text GLabel 15400 6325 0 60 Input ~ 0 TX NoConn ~ 13500 2725 Text GLabel 13500 1825 0 60 Output ~ 0 TX Text GLabel 13500 1925 0 60 Input ~ 0 RX $Comp L 74LS04 U7 U 1 1 5941BFB6 P 6575 3575 F 0 "U7" H 6770 3690 50 0000 C CNN F 1 "74HCT04" H 6765 3450 50 0000 C CNN F 2 "Housings_DIP:DIP-14_W7.62mm" H 6575 3575 50 0001 C CNN F 3 "" H 6575 3575 50 0001 C CNN 1 6575 3575 -1 0 0 1 $EndComp $Comp L C C9 U 1 1 59427DE2 P 11500 10550 F 0 "C9" H 11525 10650 50 0000 L CNN F 1 "100nF" H 11525 10450 50 0000 L CNN F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 11538 10400 50 0001 C CNN F 3 "" H 11500 10550 50 0001 C CNN 1 11500 10550 1 0 0 -1 $EndComp Wire Wire Line 9400 10275 9400 10400 Connection ~ 9700 10350 Wire Wire Line 9400 10700 9400 10750 Connection ~ 9700 10750 $Comp L CONN_01X01 J4 U 1 1 59430185 P 15600 725 F 0 "J4" V 15700 725 50 0000 C CNN F 1 "Hole" V 15700 725 50 0001 C CNN F 2 "rc6502:Mounting" H 15600 725 50 0001 C CNN F 3 "" H 15600 725 50 0001 C CNN 1 15600 725 0 1 1 0 $EndComp NoConn ~ 15600 525 $Comp L CONN_01X01 J6 U 1 1 59430E09 P 15850 725 F 0 "J6" V 15950 725 50 0000 C CNN F 1 "Hole" V 15950 725 50 0001 C CNN F 2 "rc6502:Mounting" H 15850 725 50 0001 C CNN F 3 "" H 15850 725 50 0001 C CNN 1 15850 725 0 1 1 0 $EndComp NoConn ~ 15850 525 $Comp L CONN_01X01 J5 U 1 1 59430FAB P 15725 725 F 0 "J5" V 15825 725 50 0000 C CNN F 1 "Hole" V 15825 725 50 0001 C CNN F 2 "rc6502:Mounting" H 15725 725 50 0001 C CNN F 3 "" H 15725 725 50 0001 C CNN 1 15725 725 0 1 1 0 $EndComp NoConn ~ 15725 525 $Comp L CONN_01X01 J7 U 1 1 59431023 P 15975 725 F 0 "J7" V 16075 725 50 0000 C CNN F 1 "Hole" V 16075 725 50 0001 C CNN F 2 "rc6502:Mounting" H 15975 725 50 0001 C CNN F 3 "" H 15975 725 50 0001 C CNN 1 15975 725 0 1 1 0 $EndComp NoConn ~ 15975 525 $Comp L CONN_01X02 J8 U 1 1 5943DE2E P 14925 2325 F 0 "J8" H 14925 2475 50 0000 C CNN F 1 "Power" V 15025 2325 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 14925 2325 50 0001 C CNN F 3 "" H 14925 2325 50 0001 C CNN 1 14925 2325 0 -1 1 0 $EndComp $Comp L R R10 U 1 1 596284F8 P 4125 5600 F 0 "R10" V 4205 5600 50 0000 C CNN F 1 "3.3k" V 4125 5600 50 0000 C CNN F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4055 5600 50 0001 C CNN F 3 "" H 4125 5600 50 0001 C CNN 1 4125 5600 0 -1 -1 0 $EndComp Wire Wire Line 3975 5600 3650 5600 Wire Wire Line 4275 5325 4275 5600 $Comp L Jumper_NC_Dual J9 U 1 1 5C3B495B P 7225 7150 F 0 "J9" H 7275 7050 50 0000 L CNN F 1 "ROM_EN" H 7225 7250 50 0000 C BNN F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 7225 7150 50 0001 C CNN F 3 "" H 7225 7150 50 0001 C CNN 1 7225 7150 -1 0 0 1 $EndComp Wire Wire Line 7475 7150 7550 7150 Wire Wire Line 6900 7150 6975 7150 $Comp L Jumper_NC_Dual J10 U 1 1 5C3B8C28 P 11850 7150 F 0 "J10" H 11900 7050 50 0000 L CNN F 1 "RAM_EN" H 11850 7250 50 0000 C BNN F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 11850 7150 50 0001 C CNN F 3 "" H 11850 7150 50 0001 C CNN 1 11850 7150 1 0 0 1 $EndComp Wire Wire Line 11600 7150 11525 7150 Wire Wire Line 12175 7150 12100 7150 Connection ~ 11850 6475 Wire Wire Line 11700 6225 11850 6225 Wire Wire Line 11850 6225 11850 7050 $Comp L Jumper_NC_Dual J11 U 1 1 5C5FEAD4 P 9225 1375 F 0 "J11" H 9275 1275 50 0000 L CNN F 1 "PIA_EN" H 9225 1475 50 0000 C BNN F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 9225 1375 50 0001 C CNN F 3 "" H 9225 1375 50 0001 C CNN 1 9225 1375 0 1 1 0 $EndComp Wire Wire Line 8675 1375 9125 1375 Wire Wire Line 9225 1050 9225 1125 Wire Wire Line 9225 1700 9225 1625 $Comp L Jumper_NC_Small JP1 U 1 1 5C60279D P 1650 9725 F 0 "JP1" H 1650 9805 50 0000 C CNN F 1 "OSC_EN" H 1660 9665 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 1650 9725 50 0001 C CNN F 3 "" H 1650 9725 50 0001 C CNN 1 1650 9725 1 0 0 -1 $EndComp Wire Wire Line 1475 9725 1550 9725 Wire Wire Line 1825 9525 1825 9725 Wire Wire Line 1825 9725 1750 9725 Text GLabel 15400 7525 0 60 Input ~ 0 PHI1 Text GLabel 2350 5400 0 60 Output ~ 0 PHI1 Text GLabel 13500 2625 0 60 Output ~ 0 CLOCK Connection ~ 9400 10350 Wire Wire Line 8850 10750 8850 10825 Wire Wire Line 4850 950 3400 950 Wire Wire Line 3400 950 3400 1675 $Comp L VCC #PWR01 U 1 1 5E28CFB0 P 14850 7950 F 0 "#PWR01" H 14850 7800 50 0001 C CNN F 1 "VCC" H 14850 8100 50 0000 C CNN F 2 "" H 14850 7950 50 0001 C CNN F 3 "" H 14850 7950 50 0001 C CNN 1 14850 7950 1 0 0 -1 $EndComp $Comp L GND #PWR02 U 1 1 5E28D034 P 14850 8200 F 0 "#PWR02" H 14850 7950 50 0001 C CNN F 1 "GND" H 14850 8050 50 0000 C CNN F 2 "" H 14850 8200 50 0001 C CNN F 3 "" H 14850 8200 50 0001 C CNN 1 14850 8200 1 0 0 -1 $EndComp Wire Wire Line 14850 8200 14850 8125 Wire Wire Line 14850 8125 15400 8125 Wire Wire Line 15400 8025 14850 8025 Wire Wire Line 14850 8025 14850 7950 Wire Wire Line 12175 7150 12175 7075 $Comp L VCC #PWR03 U 1 1 5E28E4C4 P 12175 7075 F 0 "#PWR03" H 12175 6925 50 0001 C CNN F 1 "VCC" H 12175 7225 50 0000 C CNN F 2 "" H 12175 7075 50 0001 C CNN F 3 "" H 12175 7075 50 0001 C CNN 1 12175 7075 1 0 0 -1 $EndComp $Comp L VCC #PWR04 U 1 1 5E28F921 P 11625 1625 F 0 "#PWR04" H 11625 1475 50 0001 C CNN F 1 "VCC" H 11625 1775 50 0000 C CNN F 2 "" H 11625 1625 50 0001 C CNN F 3 "" H 11625 1625 50 0001 C CNN 1 11625 1625 1 0 0 -1 $EndComp $Comp L GND #PWR05 U 1 1 5E28FC45 P 12275 3700 F 0 "#PWR05" H 12275 3450 50 0001 C CNN F 1 "GND" H 12275 3550 50 0000 C CNN F 2 "" H 12275 3700 50 0001 C CNN F 3 "" H 12275 3700 50 0001 C CNN 1 12275 3700 1 0 0 -1 $EndComp Connection ~ 12625 2725 $Comp L VCC #PWR06 U 1 1 5E290FD5 P 12625 2350 F 0 "#PWR06" H 12625 2200 50 0001 C CNN F 1 "VCC" H 12625 2500 50 0000 C CNN F 2 "" H 12625 2350 50 0001 C CNN F 3 "" H 12625 2350 50 0001 C CNN 1 12625 2350 1 0 0 -1 $EndComp $Comp L VCC #PWR07 U 1 1 5E292491 P 14975 2125 F 0 "#PWR07" H 14975 1975 50 0001 C CNN F 1 "VCC" H 14975 2275 50 0000 C CNN F 2 "" H 14975 2125 50 0001 C CNN F 3 "" H 14975 2125 50 0001 C CNN 1 14975 2125 1 0 0 -1 $EndComp Wire Wire Line 15175 1925 15175 2000 $Comp L GND #PWR08 U 1 1 5E292EC6 P 15175 2000 F 0 "#PWR08" H 15175 1750 50 0001 C CNN F 1 "GND" H 15175 1850 50 0000 C CNN F 2 "" H 15175 2000 50 0001 C CNN F 3 "" H 15175 2000 50 0001 C CNN 1 15175 2000 1 0 0 -1 $EndComp $Comp L VCC #PWR09 U 1 1 5E293E17 P 9225 1050 F 0 "#PWR09" H 9225 900 50 0001 C CNN F 1 "VCC" H 9225 1200 50 0000 C CNN F 2 "" H 9225 1050 50 0001 C CNN F 3 "" H 9225 1050 50 0001 C CNN 1 9225 1050 1 0 0 -1 $EndComp $Comp L GND #PWR010 U 1 1 5E293E9B P 9225 1700 F 0 "#PWR010" H 9225 1450 50 0001 C CNN F 1 "GND" H 9225 1550 50 0000 C CNN F 2 "" H 9225 1700 50 0001 C CNN F 3 "" H 9225 1700 50 0001 C CNN 1 9225 1700 1 0 0 -1 $EndComp $Comp L GND #PWR011 U 1 1 5E29696D P 1700 1950 F 0 "#PWR011" H 1700 1700 50 0001 C CNN F 1 "GND" H 1700 1800 50 0000 C CNN F 2 "" H 1700 1950 50 0001 C CNN F 3 "" H 1700 1950 50 0001 C CNN 1 1700 1950 1 0 0 -1 $EndComp $Comp L VCC #PWR012 U 1 1 5E296DE1 P 1025 5100 F 0 "#PWR012" H 1025 4950 50 0001 C CNN F 1 "VCC" H 1025 5250 50 0000 C CNN F 2 "" H 1025 5100 50 0001 C CNN F 3 "" H 1025 5100 50 0001 C CNN 1 1025 5100 1 0 0 -1 $EndComp Wire Wire Line 1900 5200 1900 5050 $Comp L GND #PWR013 U 1 1 5E297950 P 1800 5025 F 0 "#PWR013" H 1800 4775 50 0001 C CNN F 1 "GND" H 1800 4875 50 0000 C CNN F 2 "" H 1800 5025 50 0001 C CNN F 3 "" H 1800 5025 50 0001 C CNN 1 1800 5025 1 0 0 -1 $EndComp Wire Wire Line 1800 5025 1800 4950 Wire Wire Line 1800 4950 1975 4950 Wire Wire Line 1900 5050 1975 5050 Connection ~ 4275 5400 $Comp L VCC #PWR014 U 1 1 5E29836C P 4275 5325 F 0 "#PWR014" H 4275 5175 50 0001 C CNN F 1 "VCC" H 4275 5475 50 0000 C CNN F 2 "" H 4275 5325 50 0001 C CNN F 3 "" H 4275 5325 50 0001 C CNN 1 4275 5325 1 0 0 -1 $EndComp $Comp L VCC #PWR015 U 1 1 5E299A71 P 7350 7700 F 0 "#PWR015" H 7350 7550 50 0001 C CNN F 1 "VCC" H 7350 7850 50 0000 C CNN F 2 "" H 7350 7700 50 0001 C CNN F 3 "" H 7350 7700 50 0001 C CNN 1 7350 7700 1 0 0 -1 $EndComp $Comp L VCC #PWR016 U 1 1 5E299CB5 P 8100 7700 F 0 "#PWR016" H 8100 7550 50 0001 C CNN F 1 "VCC" H 8100 7850 50 0000 C CNN F 2 "" H 8100 7700 50 0001 C CNN F 3 "" H 8100 7700 50 0001 C CNN 1 8100 7700 1 0 0 -1 $EndComp $Comp L GND #PWR017 U 1 1 5E299EC5 P 7350 8200 F 0 "#PWR017" H 7350 7950 50 0001 C CNN F 1 "GND" H 7350 8050 50 0000 C CNN F 2 "" H 7350 8200 50 0001 C CNN F 3 "" H 7350 8200 50 0001 C CNN 1 7350 8200 1 0 0 -1 $EndComp $Comp L GND #PWR018 U 1 1 5E29A027 P 8100 8200 F 0 "#PWR018" H 8100 7950 50 0001 C CNN F 1 "GND" H 8100 8050 50 0000 C CNN F 2 "" H 8100 8200 50 0001 C CNN F 3 "" H 8100 8200 50 0001 C CNN 1 8100 8200 1 0 0 -1 $EndComp $Comp L VCC #PWR019 U 1 1 5E29B610 P 3225 3275 F 0 "#PWR019" H 3225 3125 50 0001 C CNN F 1 "VCC" H 3225 3425 50 0000 C CNN F 2 "" H 3225 3275 50 0001 C CNN F 3 "" H 3225 3275 50 0001 C CNN 1 3225 3275 1 0 0 -1 $EndComp $Comp L GND #PWR020 U 1 1 5E29BC4B P 4050 3425 F 0 "#PWR020" H 4050 3175 50 0001 C CNN F 1 "GND" H 4050 3275 50 0000 C CNN F 2 "" H 4050 3425 50 0001 C CNN F 3 "" H 4050 3425 50 0001 C CNN 1 4050 3425 1 0 0 -1 $EndComp Wire Wire Line 4050 3350 3975 3350 Wire Wire Line 3225 3275 3225 3350 Wire Wire Line 3225 3350 3300 3350 Wire Wire Line 4050 3425 4050 3350 $Comp L GND #PWR021 U 1 1 5E29EF4F P 4900 10550 F 0 "#PWR021" H 4900 10300 50 0001 C CNN F 1 "GND" H 4900 10400 50 0000 C CNN F 2 "" H 4900 10550 50 0001 C CNN F 3 "" H 4900 10550 50 0001 C CNN 1 4900 10550 1 0 0 -1 $EndComp Connection ~ 4900 10475 $Comp L VCC #PWR022 U 1 1 5E29FC1E P 1175 8900 F 0 "#PWR022" H 1175 8750 50 0001 C CNN F 1 "VCC" H 1175 9050 50 0000 C CNN F 2 "" H 1175 8900 50 0001 C CNN F 3 "" H 1175 8900 50 0001 C CNN 1 1175 8900 1 0 0 -1 $EndComp $Comp L VCC #PWR023 U 1 1 5E2A4252 P 6900 7075 F 0 "#PWR023" H 6900 6925 50 0001 C CNN F 1 "VCC" H 6900 7225 50 0000 C CNN F 2 "" H 6900 7075 50 0001 C CNN F 3 "" H 6900 7075 50 0001 C CNN 1 6900 7075 1 0 0 -1 $EndComp Wire Wire Line 6900 7075 6900 7150 $Comp L VCC #PWR024 U 1 1 5E2A4C84 P 6900 6550 F 0 "#PWR024" H 6900 6400 50 0001 C CNN F 1 "VCC" H 6900 6700 50 0000 C CNN F 2 "" H 6900 6550 50 0001 C CNN F 3 "" H 6900 6550 50 0001 C CNN 1 6900 6550 1 0 0 -1 $EndComp Wire Wire Line 6900 6550 6900 6625 Wire Wire Line 6900 6625 6975 6625 Wire Wire Line 7275 6625 7325 6625 Connection ~ 5725 3275 $Comp L VCC #PWR025 U 1 1 5E2AFDA3 P 8025 1075 F 0 "#PWR025" H 8025 925 50 0001 C CNN F 1 "VCC" H 8025 1225 50 0000 C CNN F 2 "" H 8025 1075 50 0001 C CNN F 3 "" H 8025 1075 50 0001 C CNN 1 8025 1075 1 0 0 -1 $EndComp $Comp L GND #PWR026 U 1 1 5E2B001F P 8025 3950 F 0 "#PWR026" H 8025 3700 50 0001 C CNN F 1 "GND" H 8025 3800 50 0000 C CNN F 2 "" H 8025 3950 50 0001 C CNN F 3 "" H 8025 3950 50 0001 C CNN 1 8025 3950 1 0 0 -1 $EndComp $Comp L VCC #PWR027 U 1 1 5E2B08E2 P 9400 10275 F 0 "#PWR027" H 9400 10125 50 0001 C CNN F 1 "VCC" H 9400 10425 50 0000 C CNN F 2 "" H 9400 10275 50 0001 C CNN F 3 "" H 9400 10275 50 0001 C CNN 1 9400 10275 1 0 0 -1 $EndComp $Comp L GND #PWR028 U 1 1 5E2B0B26 P 8850 10825 F 0 "#PWR028" H 8850 10575 50 0001 C CNN F 1 "GND" H 8850 10675 50 0000 C CNN F 2 "" H 8850 10825 50 0001 C CNN F 3 "" H 8850 10825 50 0001 C CNN 1 8850 10825 1 0 0 -1 $EndComp $Comp L GND #PWR029 U 1 1 5E2B0C50 P 11500 10825 F 0 "#PWR029" H 11500 10575 50 0001 C CNN F 1 "GND" H 11500 10675 50 0000 C CNN F 2 "" H 11500 10825 50 0001 C CNN F 3 "" H 11500 10825 50 0001 C CNN 1 11500 10825 1 0 0 -1 $EndComp Wire Wire Line 3650 7100 3725 7100 Wire Wire Line 3725 7100 3725 7175 $Comp L GND #PWR030 U 1 1 5E2B1D50 P 3725 7175 F 0 "#PWR030" H 3725 6925 50 0001 C CNN F 1 "GND" H 3725 7025 50 0000 C CNN F 2 "" H 3725 7175 50 0001 C CNN F 3 "" H 3725 7175 50 0001 C CNN 1 3725 7175 1 0 0 -1 $EndComp Text Notes 11825 10375 0 60 ~ 0 Single-board computer (SBC) version of the Apple-1 computer, this version integrates all\nof the core features onto one board (it can still be built using separate modules by\ndisabling the corresponding one here). Originally built while reading the book "Apple-1\nReplica creation" by Tom Owad. Text Notes 6775 8650 0 60 ~ 0 These select 8K window within the 32K 28C256, you\ncan also use 28C64 with these selecttions unjumpered. Wire Wire Line 12325 5800 12400 5800 Wire Wire Line 13675 6425 13600 6425 Wire Wire Line 14275 3350 14275 3225 Wire Wire Line 14275 3225 14200 3225 $EndSCHEMATC