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Author SHA1 Message Date
Thomas Harte
6a80832140 Moves timing of interrupt sampling into prefetch queue advancement. 
As per comment, that is definitely the only place it can occur; I don't know whether it always occurs there.
 2019-08-04 21:06:34 -04:00
Thomas Harte
c6cf0e914b
Merge pull request #641 from TomHarte/DIVSTiming 
Substantially improves DIVS timing.
 2019-08-04 20:46:50 -04:00
Thomas Harte
35b1a55c12 Corrects DIVS negative flag. 2019-08-04 20:36:33 -04:00
Thomas Harte
e3794c0c0e Takes a second pass at DIVS timing, seeming to correct that side of things. 2019-08-04 20:33:43 -04:00
Thomas Harte
f88dc23c71 Corrects comment. 2019-08-04 20:30:41 -04:00
Thomas Harte
0e293e4983 Relocates RAM delay test in order to scrape out a minor performance win. 2019-08-03 21:46:45 -04:00
Thomas Harte
e334abfe20 Partitions the 68000 arithmetic tests, to allow easier per-instruction execution. 2019-08-03 17:44:47 -04:00
Thomas Harte
fd2fbe0e59
Merge pull request #640 from TomHarte/InterruptSignalling 
Corrects 68000 address lines during interrupt acknowledgement.
 2019-08-03 15:42:15 -04:00
Thomas Harte
330b27d085 Merge branch 'master' into InterruptSignalling 2019-08-03 15:39:22 -04:00
Thomas Harte
478f2533b5 Corrects 68000 address bus during interrupt acknowledge. 
All unused bits should be 1, not 0.
 2019-08-03 15:38:36 -04:00
Thomas Harte
b96972a4b9
Merge pull request #639 from InvisibleUp/master 
Allow for scons to run on Python 3
 2019-08-03 08:51:45 -04:00
InvisibleUp
f2b083f4de Allow for scons to run on Python 3 2019-08-03 00:33:53 -04:00
Thomas Harte
80f6d665d9
Merge pull request #638 from TomHarte/SimplifiedBus 
Simplifies code around Mac bus decoding.
 2019-08-02 22:33:54 -04:00
Thomas Harte
a07488cf1b Introduces the Mac Plus memory map. 
Albeit with no SCSI support yet.
 2019-08-02 22:26:40 -04:00
Thomas Harte
d67c5145c0 Introduces RAM access delays. 2019-08-02 22:12:34 -04:00
Thomas Harte
5e76d593af Switches to table-based address decoding. 2019-08-02 21:30:04 -04:00
Thomas Harte
83393e8e91 Merge branch 'master' into SimplifiedBus 2019-08-02 21:05:45 -04:00
Thomas Harte
e08a64d455 Fixes erroneous instruction. 2019-08-02 21:04:53 -04:00
Thomas Harte
b93f9b3973 Distinguishes time advancement from bus response. 2019-08-02 19:48:41 -04:00
Thomas Harte
9c517d07d4
Merge pull request #637 from TomHarte/UserInfo 
Improves Macintosh user communications
 2019-08-02 17:29:44 -04:00
Thomas Harte
f45de5b87a Adds how-to-release-the-mouse instructions for Cocoa. 2019-08-02 17:07:51 -04:00
Thomas Harte
011d76175c Adds mouse release instructions for SDL. 2019-08-02 16:38:05 -04:00
Thomas Harte
96005261c7 Adds activity lights for Macintosh disk activity. 
Prompting a quick fix to drives not spinning down.
 2019-08-02 16:26:23 -04:00
Thomas Harte
c8177af45a Introduces missing implementation file. 2019-08-02 16:26:08 -04:00
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
917520fb1e
Merge pull request #636 from TomHarte/PWM 
Attempts more accurately to match Apple's IWM windowing logic.
 2019-08-02 15:15:11 -04:00
Thomas Harte
335dda3d55 Attempts more accurately to match Apple's windowing logic. 2019-08-02 12:49:45 -04:00
Thomas Harte
0c8e313fd5
Merge pull request #635 from TomHarte/Cleanup 
Improves code quality, particularly the NSDocument subclass.
 2019-08-01 14:32:49 -04:00
Thomas Harte
f64ec11668 Tidies up and simplifies panel flow. 2019-08-01 14:31:45 -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
1ae3799aee
Merge pull request #634 from TomHarte/OpenCrash 
Resolves a potential crash at launch on the Mac
 2019-07-31 14:11:58 -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
c41cccd9a6 Adds a workaround to display the ROM import banner even from File -> Open... . 2019-07-30 13:07:33 -04:00
Thomas Harte
bba34b28b8
Merge pull request #633 from TomHarte/Deferrer 
Starts to formalise just-in-time handling
 2019-07-30 11:35:13 -04:00
Thomas Harte
d8a41575c8 Picks a better function name. 2019-07-30 10:54:56 -04:00
Thomas Harte
0521de668a Omits redundant qualifier. 
This code can't be anything but `inline`.
 2019-07-29 23:07:02 -04:00
Thomas Harte
12441bddab Tries operator overloading as a workaround. 2019-07-29 23:04:02 -04:00
Thomas Harte
bc25c52683 Although duplicative, resolves function redefinition. 2019-07-29 22:49:02 -04:00
Thomas Harte
eb3fb70ea1 Merge branch 'Deferrer' of github.com:TomHarte/CLK into Deferrer 2019-07-29 21:24:21 -04:00
Thomas Harte
2f90ed1f32 Attempts to reformulate into valid C++. 2019-07-29 21:23:37 -04:00
Thomas Harte
f3dd4b028d Rolls out JustInTime acting to the MSX and ColecoVision. 2019-07-29 21:22:31 -04:00
Thomas Harte
7dcad516bd Undoes incorrect project change. 2019-07-29 17:21:34 -04:00
Thomas Harte
9859f99513 Adds a route to not bumping time. 2019-07-29 17:21:27 -04:00
Thomas Harte
51b7f2777d Adds a route to not bumping time. 2019-07-29 17:17:39 -04:00
Thomas Harte
2f2478d2d3 Implements AsyncJustInTimeActor, experimentally. 2019-07-29 16:38:57 -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