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Author SHA1 Message Date
Thomas Harte
08f2877382 I think the 68000 actually loads a byte value onto both the upper and lower data lines. 2019-12-21 20:37:03 -05:00
Thomas Harte
6f4444d834
Merge pull request #694 from TomHarte/C++17 
Standardises on -O2, C++17.
 2019-12-21 20:32:04 -05:00
Thomas Harte
993dfeae1b Standardises on -O2, C++17. 2019-12-21 20:25:43 -05:00
Thomas Harte
b4fd506361
Merge pull request #693 from TomHarte/STComposite 
Adds colour composite output to the ST
 2019-12-21 00:04:54 -05:00
Thomas Harte
e5440a4146 Hacks in a colour burst. 
With a major flaw: it's implicit. I think I need a minor rethink of various components here.
 2019-12-20 23:49:38 -05:00
Thomas Harte
57ce10418f Switches prescale logic, the better to deal with changes in prescaler. 
According to my assumptions about the behaviour, anyway.
 2019-12-20 23:33:14 -05:00
Thomas Harte
47508d50a7 Wires through a composite video option for the ST. 
Which is great and all, except that I've not yet inserted a colour burst. So it's monochrome.
 2019-12-20 20:49:14 -05:00
Thomas Harte
56cc191a8b
Merge pull request #692 from TomHarte/11Sectors 
Compacts gaps when necessary to fit more sectors.
 2019-12-19 23:33:25 -05:00
Thomas Harte
2a1520c04e Removes mostly-uninformative piece of logging. 2019-12-19 22:58:28 -05:00
Thomas Harte
3d83f5ab49 Ensures a proper size handoff and implements a ripple feature I happened to find a forum post about. 2019-12-19 22:58:07 -05:00
Thomas Harte
0007dc23b3 Eliminates bit 0 of the DMA address. 2019-12-19 22:44:21 -05:00
Thomas Harte
416d68ab3a Installs some additional safety guards. 2019-12-19 22:27:50 -05:00
Thomas Harte
ed7f171736 Moves address reload to end of vertical sync. 
I have no information as to when it should be, so this is as valid a guess as any other.
 2019-12-19 22:20:43 -05:00
Thomas Harte
0e066f0f70 Removes 'done' TODO. 
For certain values of done.
 2019-12-19 22:19:59 -05:00
Thomas Harte
3e6f51f5cf Merge branch '11Sectors' of github.com:TomHarte/CLK into 11Sectors 2019-12-19 19:36:33 -05:00
Thomas Harte
797abae4b3 Compacts gaps when necessary to fit more sectors. 2019-12-19 19:36:19 -05:00
Thomas Harte
4605b1b264 Compacts gaps when necessary to fit more sectors. 2019-12-19 19:22:48 -05:00
Thomas Harte
d802e8aee3
Merge pull request #690 from TomHarte/YMNotAY 
Adds explicit emulation of the YM2149F.
 2019-12-18 22:10:16 -05:00
Thomas Harte
206ab380c7 Introduces double-resolution envelopes for the Atari ST. 2019-12-18 22:03:02 -05:00
Thomas Harte
d85ae21b2f Adds an explicit declaration of chip type to all AY users. 2019-12-18 19:28:41 -05:00
Thomas Harte
470cc572fd
Merge pull request #689 from TomHarte/STScreenshot 
Adds a token Atari ST screenshot.
 2019-12-17 23:29:43 -05:00
Thomas Harte
f0d9d8542b Adds a token Atari ST screenshot. 2019-12-17 23:28:38 -05:00
Thomas Harte
d2390fcb11
Merge pull request #688 from TomHarte/NewAtari 
Adds the Atari ST to File -> New in Cocoa world.
 2019-12-17 23:18:13 -05:00
Thomas Harte
5ce612cb38 Adds the Atari ST to File -> New in Cocoa world. 2019-12-17 23:04:12 -05:00
Thomas Harte
ec7aa2d355
Merge pull request #687 from TomHarte/68000Tests 
Significantly increases 68000 testing
 2019-12-17 22:31:54 -05:00
Thomas Harte
9464658d1e Adds a count summary. 2019-12-17 22:19:23 -05:00
Thomas Harte
a3e64cae41 Corrects SBCD carry. 2019-12-17 22:16:02 -05:00
Thomas Harte
e969b386f1 Eliminates DIVU/S and MULU/S from this file. 2019-12-17 20:15:11 -05:00
Thomas Harte
af9c0aca97
Added mention of the Atari ST. 2019-12-17 14:36:08 -05:00
Thomas Harte
8a2ac87209 Reverted SBCD/NBCD V behaviour. 2019-12-16 23:08:59 -05:00
Thomas Harte
096b447b4b Corrects MOVE -(An), SR/CCR, which was not previously decrementing. 
Also adds a safety check against other instances of the same error. There seem to be none.
 2019-12-16 22:38:54 -05:00
Thomas Harte
0d23f141d6 Regenerates without accidentally hitting MODE to SR. 2019-12-16 22:37:57 -05:00
Thomas Harte
84167af54f Corrects CHK N flag. 2019-12-16 20:01:33 -05:00
Thomas Harte
8be26502c4 Fixes NBCD -(An)+, adds some additional comments. 2019-12-16 20:01:19 -05:00
Thomas Harte
ba2436206f Withdraws test of CHK (exception taken). 2019-12-16 20:00:42 -05:00
Thomas Harte
60a9b260b1 Corrects collection of instruction codes. 2019-12-16 00:01:18 -05:00
Thomas Harte
e603fc6aaa Simplifies failure output for me. 2019-12-15 21:26:47 -05:00
Thomas Harte
81cc278b98 Introduces a barrage of further tests. 2019-12-15 21:26:35 -05:00
Thomas Harte
4c068e9bb8 Corrects flags on CMPA.w. 2019-12-15 20:39:47 -05:00
Thomas Harte
f23c5ada31 Ensures tests can be built as a release target. 2019-12-14 23:53:12 -05:00
Thomas Harte
dc1abd874e Corrects indentation typo. 2019-12-14 23:52:53 -05:00
Thomas Harte
1bf4686c59 Adds plentiful additional tests. Though still only a fraction of the anticipated total. 2019-12-14 22:58:51 -05:00
Thomas Harte
a500fbcd73 Expands tests to most of ORI, EORI, ANDI, ADDI and SUBI. 2019-12-14 22:23:40 -05:00
Thomas Harte
d0ef41f11e Adds a temporary manual escape clause for testing specific features. 2019-12-14 21:40:21 -05:00
Thomas Harte
adf6723bf6 Ensures state is evaluated directly at opcode end. 2019-12-14 15:09:06 -05:00
Thomas Harte
37e26c0c37 Eliminates a class of incorrect sign comparison errors. 2019-12-14 14:50:39 -05:00
Thomas Harte
ac1575be27 Resolves false negatives from checking wrong state. 2019-12-14 14:46:00 -05:00
Thomas Harte
923287bf01 Attempts to introduce a basic means for comparative 68000 testing. 
i.e. mine versus another source.
 2019-12-14 14:26:33 -05:00
Thomas Harte
77fe14cdb3
Merge pull request #685 from TomHarte/LoadDelay 
Adds a delay on load following DE
 2019-12-13 21:38:10 -05:00
Thomas Harte
c00ae7ce6a Adds a one-cycle delay on frequency changes. 2019-12-13 19:57:54 -05:00