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Commit Graph

10 Commits

Author SHA1 Message Date
Thomas Harte
da286d5ae8 Switch spaces to tabs. 2021-10-04 05:27:25 -07:00
Thomas Harte
9781460c41 Thanks to a hint from the MAME guys: finally completes Macintosh 128kb and 512kb emulation (!) 2021-02-26 21:22:35 -05:00
Thomas Harte
bac0461f7f Switches the drive-speed accumulator to the delegate pattern.
This allows the Macintosh to ensure that the IWM is kept up just-in-time with drive speed changes.
2019-08-07 21:39:23 -04:00
Thomas Harte
9bbccd89d3 Adds an extended rationale for current implementation.
Also strips some cruft of prior guesses.
2019-07-31 23:19:46 -04:00
Thomas Harte
260843e5b1 Starts poking at a pure total-based formula.
On the assumption that any relevant DC offset will fall out in the wash. This causes one 400kb disk to boot in a Macintosh 128kb, another couple to do reasonably well. So it's better than what was here before.
2019-07-31 12:42:23 -04:00
Thomas Harte
e3f22e5787 This should actually be PWM, I think.
I'm just unsure of exactly the proper formula, owing to my ignorance on basic electrical engineering. Research ahoy!
2019-07-30 22:02:41 -04:00
Thomas Harte
2aa308efdd Tweaks magic formulas.
The computer now at least seeks outward, until this attempt at drive speed calculation fails.
2019-07-30 16:18:36 -04:00
Thomas Harte
74c18d7861 Attempts a full wiring up of 400kb drive speed. 2019-07-30 15:08:55 -04:00
Thomas Harte
661fe1e649 Disables logging, for now. 2019-06-03 15:57:53 -04:00
Thomas Harte
3e9fa63799 Adds a receiver for drive-motor control bytes.
My new belief is that I'm either reading the buffer from the wrong place, or the 68000 isn't filling it for some reason.
2019-06-01 19:31:32 -04:00