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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Thomas Harte
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b671df9906
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'Perfected' the Activision stack paging detector.
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2017-03-12 22:11:58 -04:00 |
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Thomas Harte
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0bcf9c30de
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Added an attempt, at least, at spotting the Activision titles. Which reduces back to only the one breakage, but this is getting a bit too much like spotting the hard-coded bytes.
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2017-03-12 21:14:12 -04:00 |
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Thomas Harte
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2c07cce282
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Had the wrong paging scheme listed for Robot Tank and Thwocker. Better to get this right before trying to come up with a test for the Activision stack scheme.
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2017-03-12 21:03:10 -04:00 |
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Thomas Harte
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8c5e39c0c5
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Adjusted Super Chip test to look for two portions of 128 bytes. It now spots Dig Dug and doesn't acquire any further false positives amongst the tested set. So failure to spot the Activision stack-based paging mechanism is now the only remaining failure.
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2017-03-12 20:39:45 -04:00 |
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Thomas Harte
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cae48aaa95
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Added an MNetwork test. Reduces failures to two of the set that I have: Dig Dug, which uses a Super Chip but has inconsistent bytes in its image, and Decathlon, which uses the Activision stack paging mechanism for which I don't yet have detection code.
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2017-03-12 18:54:49 -04:00 |
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