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documentation updates for 2021

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Jorj Bauer 2021-12-11 08:42:19 -05:00
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@ -36,7 +36,10 @@ The MD5 sums of those files are:
* 003a780b461c96ae3e72861ed0f4d3d9 apple2e.rom
* 2020aa1413ff77fe29353f3ee72dc295 disk.rom
* 5902996f16dc78fc013f6e1db14805b3 parallel.rom
* e91f379957d87aa0af0c7255f6ee6ba0 HDDRVR.BIN
(this is the "parallel mode" ROM, not the "Centronics mode" ROM,
and is availble on the Asimov mirror.)
* e91f379957d87aa0af0c7255f6ee6ba0 HDDRVR.BIN (from 2016) although
e0a40e9166af27b16f60beb83c9233f0 (from 2021) seems to be fine.
From those, the appropriate headers will be automatically generated by
"make roms" (or any other target that relies on the ROMs).
@ -64,10 +67,9 @@ gladly adopt that instead of forcing folks to run the Perl script via
Makefile. And if you have a better way of dealing with subfolders of
code, with the Teensy-specific code segregated as it is, I'm all ears...
I compile this with optimization set to "Faster" for the Teensy 3.6 at
180MHz. There's no need to overclock the CPU -- but it does give
better video performance, all the way up to 240MHz, but still not
perfect. Do as you see fit :)
I compile this with optimization set to "Faster" for the Teensy 4.1 at
600MHz. I've been successful underclocking it to increase the battery
life. YMMV.
## Environment and Libraries