Thomas Harte
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b698056f78
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Correct divisor.
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2021-06-27 17:39:13 -04:00 |
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Thomas Harte
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95c906f03d
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Takes a serious shot at back_map.
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2021-06-27 17:36:25 -04:00 |
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Thomas Harte
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be19fa9dde
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This mapping needs to know where it will occur.
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2021-06-27 17:30:09 -04:00 |
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Thomas Harte
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81e9ba5608
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This is correct from the Enterprise's side of things, I think.
I just need to complete the missing part of JustInTimeActor. After I do some empirical testing of this.
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2021-06-27 17:24:21 -04:00 |
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Thomas Harte
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f2d7b9f6a9
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Apply a crop, allow time until Z80 slot to be a future-based query.
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2021-06-27 17:13:07 -04:00 |
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Thomas Harte
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1ea034310a
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Edge up very close to video waits.
I just need to implement back conversions that include marginal phase over in the JustInTimeActor.
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2021-06-27 16:28:01 -04:00 |
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Thomas Harte
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bdcab447f9
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Add a further accessor.
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2021-06-27 16:27:26 -04:00 |
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Thomas Harte
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10bf6744aa
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Correct typo.
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2021-06-27 16:26:55 -04:00 |
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Thomas Harte
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895d98e266
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Implements out-of-video-area pauses.
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2021-06-27 16:11:22 -04:00 |
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Thomas Harte
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903e343895
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Attempts to complete Dave's audio duties.
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2021-06-27 14:06:49 -04:00 |
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Thomas Harte
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f8b7c59616
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Corrects tone frequency.
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2021-06-26 23:51:43 -04:00 |
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Thomas Harte
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fcd267a3f9
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Starts implementing noise.
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2021-06-26 23:48:53 -04:00 |
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Thomas Harte
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f8bb66d2a0
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Attempts an essentially-complete implementation of tone channels.
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2021-06-26 23:39:59 -04:00 |
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Thomas Harte
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90782d3c27
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Corrects for IntType != int.
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2021-06-26 23:39:37 -04:00 |
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Thomas Harte
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f2336d2efc
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I think reloads occur after overflow, not before.
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2021-06-26 23:16:00 -04:00 |
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Thomas Harte
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c2d093fa3c
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Respect user volume input.
Basic tones are now present. Neato!
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2021-06-24 22:27:02 -04:00 |
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Thomas Harte
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1a97cc8a91
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Start making some effort towards audio generation.
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2021-06-24 22:21:01 -04:00 |
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Thomas Harte
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c34a548fa0
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Ensure character pixel reads can't go out of bounds.
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2021-06-24 22:19:50 -04:00 |
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Thomas Harte
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d1b89392a2
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Improve exposiiton.
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2021-06-24 22:18:31 -04:00 |
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Thomas Harte
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ed734754e5
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Adds a through route for IMG files.
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2021-06-24 21:04:21 -04:00 |
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Thomas Harte
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520c3c9218
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Corrects colour deserialisation.
Long story short: the documentation I'm reading inexplicably lists the bits in reverse order. Luckily, a lot of the other documentation doesn't.
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2021-06-24 20:59:04 -04:00 |
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Thomas Harte
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9230cf1726
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Corrects bug when left_ or right_margin_ = 0.
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2021-06-24 20:28:50 -04:00 |
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Thomas Harte
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6e616972a5
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Better binds margin tests to window movements; simplifies line parameter addressing.
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2021-06-24 18:55:15 -04:00 |
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Thomas Harte
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f98888824d
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Switches to an overt active/inactive state machine.
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2021-06-24 18:34:21 -04:00 |
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Thomas Harte
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6c8b23e708
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Alters 4bpp mapping; adds character mode 4bpp and 8bpp.
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2021-06-23 19:35:47 -04:00 |
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Thomas Harte
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2c2bb3765f
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Withdraws the EPDOS option.
At least for now; it's something to worry about later.
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2021-06-23 19:32:34 -04:00 |
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Thomas Harte
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0d165740ea
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Honours memory size request.
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2021-06-22 21:48:55 -04:00 |
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Thomas Harte
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88f0f2b623
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Adds to the macOS UI and wires through all Enterprise options.
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2021-06-22 21:39:07 -04:00 |
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Thomas Harte
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0afa143375
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Add missing include.
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2021-06-22 21:31:46 -04:00 |
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Thomas Harte
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8319aca351
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Correct syntax errors.
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2021-06-22 20:50:03 -04:00 |
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Thomas Harte
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a66734883a
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Starts sketching out Dave.
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2021-06-22 19:33:41 -04:00 |
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Thomas Harte
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d2ab0dd839
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Adds a quick way to get the compiler to pick an integral type.
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2021-06-22 19:33:29 -04:00 |
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Thomas Harte
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2574407afb
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Relocates MinIntTypeValue to Numeric.
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2021-06-22 19:33:02 -04:00 |
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Thomas Harte
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83a54fd6d2
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Use the FAT12 boot sector to determine geometry.
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2021-06-22 06:54:17 -04:00 |
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Thomas Harte
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e062780968
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Extends back to 128kb and stops halting on unrecognised ports.
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2021-06-22 06:15:42 -04:00 |
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Thomas Harte
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3acd0be1f7
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Copy and paste 2bpp character support.
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2021-06-21 23:27:13 -04:00 |
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Thomas Harte
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69c0734975
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WD1770: switch motor on even if spin-up is disabled.
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2021-06-21 23:26:55 -04:00 |
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Thomas Harte
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c1678d7be7
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Corrects exposition and transmission of drive selection.
What a klutz I've been.
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2021-06-21 22:56:25 -04:00 |
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Thomas Harte
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117f9a9794
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Adds notes on intended meaning of status register.
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2021-06-21 07:31:58 -04:00 |
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Thomas Harte
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b49cc407c6
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Adds some guesses as to the EXDos expansion.
... with plenty left to do.
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2021-06-20 22:30:27 -04:00 |
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Thomas Harte
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954386f1cc
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Creates a shell for the disk-drive add-on card.
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2021-06-20 20:50:23 -04:00 |
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Thomas Harte
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d7ff6bd04d
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Adds necessary declarations to install a DOS ROM.
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2021-06-20 20:30:54 -04:00 |
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Thomas Harte
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6025516f9f
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Ensure addresses increment even when there's no target for pixels.
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2021-06-20 14:31:02 -04:00 |
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Thomas Harte
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d8b9cdf7a2
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Correct multiplier.
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2021-06-20 14:25:37 -04:00 |
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Thomas Harte
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09dbff39f2
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Also map keypad to F keys.
This is a pragmatic and arguably Apple-centric decision. But also it's fairly arbitrary, as the Enterprise doesn't have a number pad.
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2021-06-20 14:25:28 -04:00 |
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Thomas Harte
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2fe15a6168
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Switch to idealised Nick clock rate.
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2021-06-20 14:21:56 -04:00 |
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Thomas Harte
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07dc26f8fa
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Adds TODO to resolve screen jumping.
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2021-06-19 23:41:29 -04:00 |
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Thomas Harte
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a08d65b1ff
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Adds IMG -> Enterprise connection.
Albeit still without an Enterprise static analyser.
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2021-06-19 23:16:33 -04:00 |
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Thomas Harte
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199621db08
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Observes that the actual guess here is MS-DOS-style.
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2021-06-19 23:11:51 -04:00 |
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Thomas Harte
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0e1e8c7faa
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Attempts to support the panoply of EXOS and BASIC versions.
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2021-06-19 22:59:09 -04:00 |
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