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97eff5b16d
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94 Commits

Author SHA1 Message Date
Thomas Harte
97eff5b16d Formally distinguishes Macintosh keys from virtual keys. 
Also: adds mappings for keypad keys, and corrects a couple of
long-standing capitalisation errors in my virtual key set.
 2019-08-02 16:15:34 -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
a43ada82b2 Experiments with a JustInTimeActor in the Master System. 2019-07-29 15:38:41 -04:00
Thomas Harte
5149f290d0 Starts trying to formalise just-in-time execution. 
Which, at least, simplifies Cycle/HalfCycle to Cycle run_for usage via template.
 2019-07-28 21:49:54 -04:00
Thomas Harte
f894d43111 Removes the video and audio base address latches. 
It now seems to me that these take effect immediately.
 2019-07-27 22:23:40 -04:00
Thomas Harte
d8bc20b1ab Ensures quieter Release behaviour. 2019-07-25 22:55:27 -04:00
Thomas Harte
109d5d16bd Withdraws optimisation, for further testing in the future. 2019-07-25 10:33:38 -04:00
Thomas Harte
1672dc5946 Reduces frequency of update_video() calls. 2019-07-25 10:14:52 -04:00
Thomas Harte
0469f0240b Moves interrupt level selection outside the loop. 2019-07-23 23:13:03 -04:00
Thomas Harte
2432151bf8 Puts machine name into ROMMachine::ROM. 
Also switches to idiomatic exit codes.
 2019-07-22 21:14:21 -04:00
Thomas Harte
3c68a5ca65 Enhances the amount of ROM information posted by the Apple machines. 2019-07-20 16:08:40 -04:00
Thomas Harte
b9a34bee51 Substitutes a more efficient inner loop for audio generation. 2019-07-17 14:54:06 -04:00
Thomas Harte
22ee51c12c Corrects clocking issues around audio, and cuts down queue costs. 2019-07-17 14:41:36 -04:00
Thomas Harte
59b5dfddec Added logic to allow a second disk to be inserted, at least. 2019-07-11 23:03:02 -04:00
Thomas Harte
cac97a9663 Devolves drive responsibility. 2019-07-10 22:39:56 -04:00
Thomas Harte
2ccb564a7b Throws some extra logging into place, to test the IWM changeover. 2019-07-10 21:39:45 -04:00
Thomas Harte
d1d0430fce Eliminates the SonyDrive class. 2019-07-10 17:38:05 -04:00
Thomas Harte
be251d6b03 Begins substituting the DoubleDensityDrive for the Sony. 2019-07-10 16:24:48 -04:00
Thomas Harte
c4ab0bb867 Starts sketching out an interface for IWM drives, eliminating a dangling use of unsigned as it goes. 2019-07-10 16:05:59 -04:00
Thomas Harte
886946cc8c Rejigs time-until-event tracking. 2019-07-09 23:27:27 -04:00
Thomas Harte
ed4ddcfda8 Reduces call/return overhead on Microcycle methods. 2019-07-09 19:55:30 -04:00
Thomas Harte
7886cd63bd Flattens the Macintosh's perform_bus_operation, for legibility. 2019-07-09 19:49:06 -04:00
Thomas Harte
b4a3f66773 Restores just-in-time processing of video. 2019-07-09 18:08:07 -04:00
Thomas Harte
52e96e3d2a Documents and extends the Video interface. 
With the intention of returning it soon to JIT execution.
 2019-07-08 22:28:05 -04:00
Thomas Harte
1a9aa60bf7 Ensures no compiler will think this can exit without returning. 2019-07-08 18:13:23 -04:00
Thomas Harte
793c2df7ee Fixes keypad keys. 2019-07-08 16:38:06 -04:00
Thomas Harte
28de629c08 Fixes the 6522 sufficiently to fix keyboard input. 2019-07-08 15:29:34 -04:00
Thomas Harte
d7329c1bdd Experiments with a timeout on keyboard interactions. 2019-07-07 14:13:55 -04:00
Thomas Harte
96c0253ee2 Fixes mouse input when a button is pressed; attempts keyboard input. 
I think the VIA is somehow sending spurious commands.
 2019-07-02 21:14:33 -04:00
Thomas Harte
191a7a9386 Reintroduces an empty second drive. 
This prevents the uninitialised disk error. Which is a clue.
 2019-07-02 16:59:00 -04:00
Thomas Harte
fffe6ed2df Chops the Macintosh down to a single drive to aid in development. 2019-07-02 13:59:30 -04:00
Thomas Harte
6c588a1510 Makes some further random swings at tracking the startup procedure. 2019-06-28 13:03:47 -04:00
Thomas Harte
d81053ea38 Invents some additional PEA tests, and further fixes PEA. 2019-06-27 17:59:03 -04:00
Thomas Harte
506276a2bd Corrected: use format tag as intended. 2019-06-18 14:04:28 -04:00
Thomas Harte
00c32e4b59 Further miscellaneous changes to debug logging. All temporary. 2019-06-18 10:34:31 -04:00
Thomas Harte
877b46d2c1 Advances IWM/drive emulation very close to the point of 'Welcome to Macintosh'. 2019-06-15 16:08:54 -04:00
Thomas Harte
bde975a3b9 Possibly mights the tiniest bit of headway with 'the IWM'. 
I'm now pretty sure that my 3.5" drive, which for now is implemented in the IWM (yuck) is just responding to queries incorrectly.
 2019-06-13 22:38:09 -04:00
Thomas Harte
f6f9024631 Corrects Macintosh aspect ratio (and framing). 2019-06-13 18:41:38 -04:00
Thomas Harte
5630141ad7 Ensures randomised memory contents at startup. 2019-06-13 13:35:16 -04:00
Thomas Harte
d6150645c0 By hook or by crook, mouse input now works. 2019-06-12 22:19:25 -04:00
Thomas Harte
ccd2cb44a2 Fills in enough of the SCC to allow completion of the Macintosh side of that relationship. 2019-06-12 17:51:50 -04:00
Thomas Harte
c8066b01b6 Restores attempt at proper audio behaviour. 2019-06-11 19:53:22 -04:00
Thomas Harte
ebd59f4dd3 Performs the trivial part of wiring up the Macintosh mouse. 
SCC still to go.
 2019-06-11 19:52:37 -04:00
Thomas Harte
109953ef49 Ensures proper routing of mouse events from Cocoa. 2019-06-11 18:41:41 -04:00
Thomas Harte
124c7bcbb0 Makes the Macintosh a mouse machine, and makes mouse machines detectable. 2019-06-11 18:21:56 -04:00
Thomas Harte
9230969f43 Corrects enough of the 6522 and Keyboard to get an initial command seemingly working. 2019-06-10 09:28:27 -04:00