Minimal-64x4-Home-Computer
slu4coder
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
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slu4coder
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
| U16,U17 | 74HC595 |
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| U21 | SST39SF010..040 HSB |
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| U22,U43,U47,U51 | 74HC157 |
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| U23 | SST39SF010..040 MSB |
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| U25 | SST39SF010..040 LSB |
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| U31 | SST39SF040 512KB SSD |
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| U34 | AS6C1008 SRAM |
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| U35 | 74HC166 |
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| U36 | AS6C62256 or AS6C1008 VRAM |
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| U37,U39 | 74HC590 |
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| U38,U40,U41 | 74HC574 |
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| U42,U44,U46,U50,U56,U64-U66 | 74HC245 | Octal BUS Transceivers, 3-State outputs |
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| U54,U57 | 74HC86 |
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| U55,U59 | 74HC283 |
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| U61,U63 | 74HC08 |
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| U67 | 74HC4002 |
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| C1-C29 | 100nF |
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| C30-C33 | 22pF |
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| H1-H4 | M2 |
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| J1 | UART |
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| J2 | PS/2 |
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| J3 | EXPANSION PORT |
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| J4 | VGA |
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| J5 | POWER |
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| R1,R3-R5 | 4.7k |
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| R2,R9-R23 | 470 |
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| R6,R26 | 150 |
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| R7,R8 | 68 |
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| R24,R27 | 200 |
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| R25 | 100 |
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| SW1 | RESET |
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| X1 | 16MHz |
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