diff --git a/RC6502 VDU/RC6502 VDU.sch b/RC6502 VDU/RC6502 VDU.sch index 4618789..e11b6ed 100644 --- a/RC6502 VDU/RC6502 VDU.sch +++ b/RC6502 VDU/RC6502 VDU.sch @@ -56,7 +56,7 @@ A12 Text Notes 8300 7500 2 60 ~ 0 RC6502 Apple 1 SBC Text Notes 10650 7650 2 60 ~ 0 -B +A $Comp L 74LS138 U7 U 1 1 5C045924 @@ -710,29 +710,29 @@ VA8 $Comp L 74LS374 U6 U 1 1 5C049977 -P 8350 5125 -F 0 "U6" H 8350 5025 50 0000 C CNN -F 1 "74LS374" H 8350 5225 50 0000 C CNN -F 2 "" H 8350 5125 50 0001 C CNN -F 3 "" H 8350 5125 50 0001 C CNN - 1 8350 5125 +P 8350 5400 +F 0 "U6" H 8350 5300 50 0000 C CNN +F 1 "74LS374" H 8350 5500 50 0000 C CNN +F 2 "" H 8350 5400 50 0001 C CNN +F 3 "" H 8350 5400 50 0001 C CNN + 1 8350 5400 -1 0 0 1 $EndComp -Text GLabel 9050 4925 2 60 Input ~ 0 +Text GLabel 9050 5200 2 60 Input ~ 0 D7 -Text GLabel 9050 5025 2 60 Input ~ 0 +Text GLabel 9050 5300 2 60 Input ~ 0 D6 -Text GLabel 9050 5125 2 60 Input ~ 0 +Text GLabel 9050 5400 2 60 Input ~ 0 D5 -Text GLabel 9050 5225 2 60 Input ~ 0 +Text GLabel 9050 5500 2 60 Input ~ 0 D4 -Text GLabel 9050 5325 2 60 Input ~ 0 +Text GLabel 9050 5600 2 60 Input ~ 0 D3 -Text GLabel 9050 5425 2 60 Input ~ 0 +Text GLabel 9050 5700 2 60 Input ~ 0 D2 -Text GLabel 9050 5525 2 60 Input ~ 0 +Text GLabel 9050 5800 2 60 Input ~ 0 D1 -Text GLabel 9050 5625 2 60 Input ~ 0 +Text GLabel 9050 5900 2 60 Input ~ 0 D0 $Comp L GND #PWR07 @@ -748,16 +748,16 @@ $EndComp $Comp L GND #PWR08 U 1 1 5C04E709 -P 9800 4700 -F 0 "#PWR08" H 9800 4450 50 0001 C CNN -F 1 "GND" H 9800 4550 50 0000 C CNN -F 2 "" H 9800 4700 50 0001 C CNN -F 3 "" H 9800 4700 50 0001 C CNN - 1 9800 4700 +P 9800 4975 +F 0 "#PWR08" H 9800 4725 50 0001 C CNN +F 1 "GND" H 9800 4825 50 0000 C CNN +F 2 "" H 9800 4975 50 0001 C CNN +F 3 "" H 9800 4975 50 0001 C CNN + 1 9800 4975 1 0 0 -1 $EndComp Wire Wire Line - 9050 4625 9800 4625 + 9050 4900 9800 4900 Text GLabel 7650 3425 0 60 BiDi ~ 0 VD7 Text GLabel 7650 3525 0 60 BiDi ~ 0 @@ -837,9 +837,9 @@ Text GLabel 925 6950 0 60 Input ~ 0 VA9 Text GLabel 925 6850 0 60 Input ~ 0 VA8 -Text GLabel 7500 5525 0 60 Output ~ 0 +Text GLabel 7500 5800 0 60 Output ~ 0 VA14 -Text GLabel 7500 5625 0 60 Output ~ 0 +Text GLabel 7500 5900 0 60 Output ~ 0 VA13 Text GLabel 925 7450 0 60 Input ~ 0 VA14 @@ -972,9 +972,9 @@ Wire Wire Line NoConn ~ 6250 3050 NoConn ~ 6250 2950 Wire Wire Line - 7500 5525 7650 5525 + 7500 5800 7650 5800 Wire Wire Line - 7500 5625 7650 5625 + 7500 5900 7650 5900 Text GLabel 10400 4450 0 60 Input ~ 0 PHI0 $Comp @@ -1017,11 +1017,11 @@ Wire Wire Line Connection ~ 6700 1850 Text GLabel 6250 2050 2 60 Input ~ 0 G/~A -Text GLabel 7500 5425 0 60 Output ~ 0 +Text GLabel 7500 5700 0 60 Output ~ 0 G/~A Text GLabel 6250 2150 2 60 Input ~ 0 S/~A -Text GLabel 7500 5325 0 60 Output ~ 0 +Text GLabel 7500 5600 0 60 Output ~ 0 S/~A Text GLabel 6250 2350 2 60 Input ~ 0 GM2 @@ -1031,26 +1031,26 @@ Text GLabel 6250 2550 2 60 Input ~ 0 GM0 Text GLabel 6250 2650 2 60 Input ~ 0 CSS -Text GLabel 7500 4925 0 60 Output ~ 0 +Text GLabel 7500 5200 0 60 Output ~ 0 CSS -Text GLabel 7500 5025 0 60 Output ~ 0 +Text GLabel 7500 5300 0 60 Output ~ 0 GM0 -Text GLabel 7500 5125 0 60 Output ~ 0 +Text GLabel 7500 5400 0 60 Output ~ 0 GM1 -Text GLabel 7500 5225 0 60 Output ~ 0 +Text GLabel 7500 5500 0 60 Output ~ 0 GM2 Wire Wire Line - 7500 4925 7650 4925 + 7500 5200 7650 5200 Wire Wire Line - 7650 5025 7500 5025 + 7650 5300 7500 5300 Wire Wire Line - 7500 5125 7650 5125 + 7500 5400 7650 5400 Wire Wire Line - 7650 5225 7500 5225 + 7650 5500 7500 5500 Wire Wire Line - 7500 5325 7650 5325 + 7500 5600 7650 5600 Wire Wire Line - 7650 5425 7500 5425 + 7650 5700 7500 5700 $Comp L GND #PWR010 U 1 1 5C06A7C5 @@ -1101,7 +1101,7 @@ F 3 "" H 3400 925 50 0001 C CNN $EndComp Wire Wire Line 3500 925 3575 925 -Text GLabel 9050 4725 2 60 Input ~ 0 +Text GLabel 9050 5000 2 60 Input ~ 0 ~CS_CTRL_EXT Text GLabel 9200 725 2 60 Input ~ 0 ~CS_RAM_EXT @@ -1318,7 +1318,7 @@ Wire Wire Line Text GLabel 3075 4075 2 60 Output ~ 0 ~VDU_WRITE Wire Wire Line - 9800 4625 9800 4700 + 9800 4900 9800 4975 Wire Wire Line 2025 5050 2100 5050 Wire Wire Line @@ -1659,4 +1659,6 @@ Wire Wire Line 4625 5575 4900 5575 Wire Wire Line 4900 5575 4900 5650 +Text Notes 7025 6875 0 60 ~ 0 +Display adapter based on the Motorola 6847 Video Display Generator (VDG), this maps\ninto the memory space and does not follow the designs of the Apple 1 computer,\ninstead it is only intended for use with the RC6502 computer. $EndSCHEMATC