doc: minor improvements

This commit is contained in:
Virgil Dupras 2019-11-04 14:45:10 -05:00
parent 3ef964e74d
commit 9344c4b961
2 changed files with 4 additions and 2 deletions

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@ -75,7 +75,9 @@ is decoupled from the ACIA and can get its IO from anything. See
We only have the shell to build, so it's rather straightforward:
zasm < glue.asm > rom.bin
../../tools/zasm.sh ../../kernel < glue.asm > os.bin
Running `make` will also work.
### Write to the ROM

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@ -27,7 +27,7 @@ If you're tempted by the idea of hacking your existing RC2014 ROM module by
wiring `WR` and write directly to the range `0x0000-0x1fff` while running it,
be aware that it's not that easy. I was also tempted by this idea, tried it,
but on bootup, it seems that some random `WR` triggers happen and it corrupts
the EEPROM contents. Theoretically, we could go around that my putting the AT28
the EEPROM contents. Theoretically, we could go around that by putting the AT28
in write protection mode, but I preferred building my own module.
I don't think you need a schematic. It's really simple.