forked from amberisvibin/chibi-pc09
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9c668967d5
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@@ -27,4 +27,4 @@ Assembly is in progress.
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## License
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This project is licensed under the MIT license. This applies to both the hardware (schematics, bill of materials, pcb layouts) and documentation. This does *not* apply to the datasheets/ directory, the books/ directory or code/assist09/. Those files belong to their respective copyright holders.
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This project is licensed under the MIT license. This applies to both the hardware (schematics, bill of materials, pcb layouts) and documentation. This does *not* apply to the datasheets/ directory or code/assist09/. Those files belong to their respective copyright holders.
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books/as11v2.pdf
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books/as11v2.pdf
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books/manual.pdf
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books/manual.pdf
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@@ -22,7 +22,7 @@ From there all you should have to do to generate a `boot.bin` is:
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```sh
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git clone https://github.com/amberisvibin/chibi-pc09.git
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cd chibi-pc09
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cd chibi-pc09/code/boot
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make
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```
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datasheets/mcp100.pdf
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datasheets/mcp100.pdf
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datasheets/memory/AS6C62256-23-March-2016-rev1.2.pdf
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datasheets/memory/AS6C62256-23-March-2016-rev1.2.pdf
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@@ -1,6 +0,0 @@
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TTL devices can handle CMOS input. HD6309 -> 74LS612
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CMOS devices may or may not handle TTL input. 74LS612 -> peripherals
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62256 SRAM, 28C256 EEPROM, 16550 UART all handle TTL input.
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82C42 lists it's outputs as TTL compatible, but says nothing for inputs.
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Must ensure all peripherals are rated for TTL input.
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@@ -3,7 +3,6 @@
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File descriptions:
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- links.txt contains useful links i would like to keep
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- 6809-sn74ls612_timing.md contains notes on the mmu and cpu interface
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- tech-spec.md contains basic info on layout of system (outdated)
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- timing.html contains info on vga timing pulled from https://martin.hinner.info/vga/timing.html
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- vga_ram.txt contains notes on ram size for the vga card
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pcb/.gitignore
vendored
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pcb/.gitignore
vendored
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@@ -0,0 +1 @@
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fp-info-cache
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@@ -1,6 +1,6 @@
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{
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"board": {
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"active_layer": 5,
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"active_layer": 0,
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"active_layer_preset": "",
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"auto_track_width": true,
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"hidden_netclasses": [],
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@@ -51,7 +51,7 @@
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"shapes"
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],
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"visible_layers": "ffffffff_ffffffff_ffffffff_ffffffff",
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"zone_display_mode": 0
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"zone_display_mode": 1
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},
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"git": {
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"repo_type": "",
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@@ -59,7 +59,7 @@
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"ssh_key": ""
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},
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"meta": {
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"filename": "prototype-1(v1.1).kicad_prl",
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"filename": "prototype-1.kicad_prl",
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"version": 5
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},
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"net_inspector_panel": {
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