Thomas Harte
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6e9ab9f330
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Merge pull request #116 from TomHarte/YarsBug
Fixes a bug in which TIA access during the border would flush all motion steps.
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2017-03-26 18:38:51 -04:00 |
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Thomas Harte
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814c0ada13
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Fixed action counts for border motion.
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2017-03-26 18:33:05 -04:00 |
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Thomas Harte
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dfc468f220
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Locked down all initial state.
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2017-03-26 15:47:04 -04:00 |
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Thomas Harte
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6817b38322
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Merge pull request #115 from TomHarte/Style
Settles my C++ curly bracket style indecision
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2017-03-26 14:37:23 -04:00 |
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Thomas Harte
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e01f3f06c8
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Completed curly bracket movement.
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2017-03-26 14:34:47 -04:00 |
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Thomas Harte
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3229502fa1
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Standardised curly bracket placement across the Atari.
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2017-03-23 21:59:16 -04:00 |
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Thomas Harte
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a4c5eebd1e
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The latest Atari Age-discovered numbers suggest this starts up in 1024T mode.
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2017-03-21 18:22:50 -04:00 |
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Thomas Harte
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a3c22d5abb
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Merge pull request #114 from TomHarte/Pitfall2
Adds support for the Pitfall 2 DPC. And therefore for Pitfall 2.
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2017-03-20 20:44:43 -04:00 |
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Thomas Harte
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a26b87f348
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Fixed: mistake was failure to count ready cycles.
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2017-03-20 20:44:03 -04:00 |
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Thomas Harte
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4c3cc42c91
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This gives a very noisy version of the real audio.
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2017-03-20 20:38:29 -04:00 |
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Thomas Harte
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f3f4e1a541
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Made a first, hacky, attempt at audio.
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2017-03-20 19:35:51 -04:00 |
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Thomas Harte
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4722f6b5c4
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Fixed sprite disappearance: test should be applied predecrement, not post — it relates to the address being used this access, not the next one.
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2017-03-19 18:58:35 -04:00 |
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Thomas Harte
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7d8d1c7828
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Fixed 'random' number generator.
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2017-03-19 18:54:35 -04:00 |
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Thomas Harte
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4bb70e7d31
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Resetting the mask upon low byte write appears to resolve some issues.
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2017-03-19 18:49:37 -04:00 |
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Thomas Harte
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321030bb44
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Added a slightly faulty but seemingly 'close' version of masking.
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2017-03-19 18:28:06 -04:00 |
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Thomas Harte
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6c161b1150
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This gives something that might be the correct background.
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2017-03-19 17:49:48 -04:00 |
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Thomas Harte
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d5c37c8619
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Shushed a little, so as to be able to see a reasonable amount of output during my lifetime.
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2017-03-19 17:38:54 -04:00 |
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Thomas Harte
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c445eaec3e
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Switched startup values, following a comment on AtariAge. May or may not be correct, the thread was speculative.
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2017-03-19 17:38:26 -04:00 |
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Thomas Harte
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7c66c36d3f
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Attempted at least to manage appropriate data storage.
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2017-03-19 17:31:08 -04:00 |
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Thomas Harte
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031a68000a
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Added a class to contain the Pitfall 2 pager and a skeleton of initial work.
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2017-03-18 22:08:47 -04:00 |
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Thomas Harte
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7d7b665be8
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Merge pull request #113 from TomHarte/PagingTemplates
Pulls the Atari 2600 paging schemes out into individual classes
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2017-03-18 21:05:01 -04:00 |
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Thomas Harte
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c3d82f88a5
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Tidied up and commented on the Activision stack implementation.
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2017-03-18 21:01:58 -04:00 |
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Thomas Harte
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c033bad0b9
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Here's MNetwork!
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2017-03-18 20:51:49 -04:00 |
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Thomas Harte
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c31d85f820
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Re-emplaced the MegaBoy. Also cut detritus from the main Atari header.
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2017-03-18 19:02:34 -04:00 |
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Thomas Harte
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217fbf257e
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CBS RAM Plus returns.
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2017-03-18 18:56:20 -04:00 |
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Thomas Harte
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0b611a14b9
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Tigervision paging returns.
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2017-03-18 18:50:13 -04:00 |
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Thomas Harte
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df6861c9dc
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Parker Bros paging is back.
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2017-03-18 18:21:01 -04:00 |
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Thomas Harte
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a4cd12394e
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Reinstated the Activision stack pager.
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2017-03-18 18:03:48 -04:00 |
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Thomas Harte
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e0bca1e37b
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Reinstated the 16 and 32 kb Atari pagers, and ensured the 6532 always starts in a valid state.
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2017-03-18 17:34:34 -04:00 |
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Thomas Harte
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55ce851bb2
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Fixed types of the 8k cartridges, ensured the 6502 starts without an IRQ request history.
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2017-03-18 17:04:01 -04:00 |
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Thomas Harte
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e8d34f2eb4
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Having farmed out the bus, the Atari itself no longer is/owns a 6502.
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2017-03-18 16:34:41 -04:00 |
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Thomas Harte
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bb3daaa99b
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Sought to reintroduce the Atari 8k paging scheme, at the same time deciding to do away with the copy and paste of holding on to ROM data.
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2017-03-18 15:04:01 -04:00 |
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Thomas Harte
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36b58d03b7
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Formalised read bus value guarantee from the 6502, fixed missing clock signal wiring on the Atari cartridge class, reintroduced CommaVid support.
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2017-03-18 14:46:46 -04:00 |
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Thomas Harte
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7958459db9
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In theory unpaged cartridges should now work. Time to debug.
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2017-03-18 14:01:04 -04:00 |
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Thomas Harte
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14a76af0d3
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Started trying to float out bus control to cartridges.
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2017-03-17 20:28:07 -04:00 |
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Thomas Harte
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a04a58e01f
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Merge pull request #112 from TomHarte/LineTiming
Fixes declared Atari line length.
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2017-03-14 21:34:19 -04:00 |
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Thomas Harte
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afbd9fd41b
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Fixed declared line length.
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2017-03-14 21:33:38 -04:00 |
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Thomas Harte
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3d53d4e55e
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Merge pull request #111 from TomHarte/ActivisionStack
Implements the Activision stack paging scheme.
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2017-03-14 20:41:04 -04:00 |
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Thomas Harte
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7302703039
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Implemented the Activision stack paging scheme.
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2017-03-14 20:24:05 -04:00 |
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Thomas Harte
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97a8a96593
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Rejigged how the memory map is handled and implemented MNetwork support.
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2017-03-14 20:07:54 -04:00 |
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Thomas Harte
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be2e99077e
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Merge pull request #110 from TomHarte/MegaBoy
Adds emulation of the MegaBoy paging scheme.
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2017-03-14 17:40:41 -04:00 |
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Thomas Harte
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3b29276228
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Implemented the MegaBoy paging scheme.
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2017-03-14 17:40:01 -04:00 |
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Thomas Harte
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4a528b9ecb
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Merge pull request #109 from TomHarte/CBSRamPlus
Adds emulation of the CBS RAM Plus paging scheme.
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2017-03-14 17:26:09 -04:00 |
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Thomas Harte
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b3632a4e86
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Institutes CBS RAM Plus emulation.
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2017-03-14 17:25:10 -04:00 |
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Thomas Harte
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8a659e3117
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Merge pull request #108 from TomHarte/PitfallIIDetection
Adds tested detection of the Pitfall II and MegaBoy paging schemes.
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2017-03-13 20:44:28 -04:00 |
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Thomas Harte
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a6897ebde0
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Added an attempt to distinguish the MegaBoy (now with proper capitalisation) and a test for it.
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2017-03-13 20:43:12 -04:00 |
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Thomas Harte
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582da14a14
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Added an enumerated type and detection of Pitfall 2.
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2017-03-13 08:15:36 -04:00 |
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Thomas Harte
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b81bf6b547
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Merge pull request #107 from TomHarte/PagingTests
Introduces unit tests for the Atari static analyser
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2017-03-12 22:17:17 -04:00 |
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Thomas Harte
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8e147444d5
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Added a readme, as is traditional for folders I'm excluding from Git.
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2017-03-12 22:16:12 -04:00 |
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Thomas Harte
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a9964ee0c8
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Simplified CommaVid test.
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2017-03-12 22:14:39 -04:00 |
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