amberisvibin/chibi-pc09
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remove old data from docs/

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Amber
2025-08-21 15:59:04 -04:00
parent 9f28e315b7
commit 08b85a186e
2 changed files with 0 additions and 7 deletions
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6
docs/74ls612.txt
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TTL devices can handle CMOS input. HD6309 -> 74LS612
CMOS devices may or may not handle TTL input. 74LS612 -> peripherals
62256 SRAM, 28C256 EEPROM, 16550 UART all handle TTL input.
82C42 lists it's outputs as TTL compatible, but says nothing for inputs.
Must ensure all peripherals are rated for TTL input.

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docs/README.MD → docs/README.md
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File descriptions:
- links.txt contains useful links i would like to keep
- 6809-sn74ls612_timing.md contains notes on the mmu and cpu interface
- tech-spec.md contains basic info on layout of system (outdated)
- timing.html contains info on vga timing pulled from https://martin.hinner.info/vga/timing.html
- vga_ram.txt contains notes on ram size for the vga card