Thomas Harte
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925e774015
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Added a decent portion of documentation. But started feeling like I should address my various ownership decisions. Which would justify a separate pull request.
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2017-08-16 16:23:33 -04:00 |
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Thomas Harte
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4c15e46fd1
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Performed the normative removal from public view of Vic-20 implementation details. Which were hefty.
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2017-08-16 16:05:30 -04:00 |
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Thomas Harte
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42b5b66305
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Remove the 6502's use of runtime polymorphism in favour of ordinary templating.
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2017-08-16 11:56:52 -04:00 |
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Thomas Harte
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bbb17acf3a
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Expanded interface so that an external machine caller can request a string be typed without any knowledge of whatever it intends to do re: CharacterMappers. Which is immediately useful in paste functionality.
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2017-08-03 11:50:50 -04:00 |
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Thomas Harte
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4abd62e62b
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Standardises on const [Half]Cycles as the thing called and returned, rather than const [Half]Cycles & as it's explicitly defined to be only one int in size, so using a reference is overly weighty.
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2017-07-27 22:05:29 -04:00 |
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Thomas Harte
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279c369a1f
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Switched to Cycles as the result from the 6502 perform_bus_operation, helping slightly to clarify what you're intended to return and reducing type jumping within the 6502 implementation.
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2017-07-25 22:21:09 -04:00 |
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Thomas Harte
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2ff157cf7a
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Switched CRTMachine over to use Cycles as an explicit statement of units, and followed through on the effects of that.
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2017-07-22 22:17:29 -04:00 |
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Thomas Harte
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83628b285b
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Experimentally turned the 6502 into a clock receiver. No problem encountered.
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2017-07-22 21:52:21 -04:00 |
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Thomas Harte
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3f609e17b3
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Factored out the table-lookup approach to being a typer, and adjusted so as definitely to limit myself to positive offset table lookups.
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2017-07-21 21:18:51 -04:00 |
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Thomas Harte
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f931cd582d
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Switched to use of std::vector in those few remaining places where I was still using a unique_ptr to a native type and newing for myself. So, some of my earliest bits of code.
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2017-07-16 13:54:07 -04:00 |
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Thomas Harte
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eb8a2de5d6
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Settled definitively on flush as more communicative than synchronise (and slightly more locale neutral); culled some more duplication from the Z80.
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2017-05-15 07:38:59 -04:00 |
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Thomas Harte
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0808e9b6fb
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Pulled the 6502 into a CPU namespace, making it an instance of something that has micro-opcodes and schedules them, and factoring out the formulation of a register pair.
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2017-05-14 22:08:15 -04:00 |
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Thomas Harte
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8e35e913bb
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Formally withdrew the 'load automatically' option for the Vic, having removed that option elsewhere.
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2017-05-14 16:59:24 -04:00 |
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Thomas Harte
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2edf73908c
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Temporarily disabled the existing fast loading implementation in pursuit of another, and started trying to correct the lack of connection between the userport VIA and the tape drive.
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2017-05-06 22:00:12 -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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1b1a8d3e52
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Brought the Vic-20 into suffix naming.
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2016-12-03 13:30:27 -05:00 |
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Thomas Harte
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45b169f341
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Made a few mapping fixes, clarified where the default reset code lives, ensured the Oric and Vic clear their keys when the typer ends.
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2016-11-05 15:28:03 -04:00 |
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Thomas Harte
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338904fffe
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Made similar cleanings of the Electron and Vic.
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2016-11-05 15:07:57 -04:00 |
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Thomas Harte
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9fb9d92437
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Made the typer much more able to help out, and thereby tidied and separated the Oric's typer.
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2016-11-05 14:47:09 -04:00 |
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Thomas Harte
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c5948ef177
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Evicted more header-resident code.
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2016-10-20 21:05:32 -04:00 |
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Thomas Harte
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6d7c3f6ac2
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Factored out the now-sampling binary-level tape player from the Vic and connected it up to the Oric.
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2016-10-15 21:21:18 -04:00 |
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Thomas Harte
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142254a478
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Resolved failure to open disks that arrive through analysis.
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2016-09-17 18:11:58 -04:00 |
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Thomas Harte
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e54a2326a3
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Made attempt to run at zero cost while processing tape input.
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2016-09-11 17:34:02 -04:00 |
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Thomas Harte
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8c84f3581a
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Attempted to bring some uniformity in application of configurations.
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2016-09-08 05:32:17 -04:00 |
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Thomas Harte
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50175a9aed
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Added logic to try to spot when the first program is BASIC and, if so, what the correct memory model is, then to get that information to the Vic. Though it currently then gets overwritten by the view controller. Grrrr.
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2016-09-07 22:17:19 -04:00 |
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Thomas Harte
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56c0d70c1f
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Gave disks their own namespace.
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2016-08-27 17:15:09 -04:00 |
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Thomas Harte
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c0402d0c2b
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Gave tapes their own namespace.
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2016-08-27 17:09:45 -04:00 |
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Thomas Harte
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38aec44d85
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Made sufficient changes for the Vic itself to believe it can recast a PRG as a tape and insert it that way. So now the ball is in the court of: how the heck are Commodore tapes encoded?
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2016-08-15 19:44:41 -04:00 |
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Thomas Harte
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d9016909ed
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Added some wiring for PAL/NTSC mode switching on the Vic, making an attempt to simplify the whole loop of having different clock rates.
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2016-08-14 13:33:20 -04:00 |
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Thomas Harte
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a547b7e1d8
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Took basic steps towards supporting memory expansions.
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2016-08-13 17:21:25 -04:00 |
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Thomas Harte
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142774be37
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Collapsed 6560 template to a more direct loop, albeit with quite a bit still left to fix.
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2016-08-09 21:10:53 -04:00 |
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Thomas Harte
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12bad8f23f
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Turned the 6560 into an ordinary template, similar to the rest of the project, albeit right now with a fairly shonky internal implementation. Fixed a Mac-specific interface sizing issue.
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2016-08-09 20:41:05 -04:00 |
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Thomas Harte
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285a288c80
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Switched to two cycles of options loading, meaning that they get set before files are inserted. Might need some further work?
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2016-08-07 21:48:09 -04:00 |
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Thomas Harte
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be54d8040e
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Made a first stab at having automatic loading be optional. But things are currently arranged such that the machine options are communicated too late to have an effect. So work to do.
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2016-08-06 17:39:27 -04:00 |
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Thomas Harte
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3e65450a54
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Converted the 6560 fully into a template; worked on allowing the typer to run at a much faster rate where hardware has some trigger by which it can request the next key.
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2016-08-06 14:33:24 -04:00 |
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Thomas Harte
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740ea0b7e2
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Added overflow-flag setting logic and ensured disk ROM gets through regardless of ROM/disk installation order.
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2016-07-31 19:33:18 -04:00 |
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Thomas Harte
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6cfc514c2d
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Made the rote changes necessary to attempt to open and to supply a G64 to the Vic.
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2016-07-10 12:57:17 -04:00 |
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Thomas Harte
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d8334edf4a
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Started trying to clean up, including commuting the C1540 source file name to match its class name but mainly by adding documentation.
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2016-07-10 07:46:20 -04:00 |
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Thomas Harte
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c0ab45a73d
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Disabled a bunch of the caveman debug logging.
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2016-07-09 22:29:11 -04:00 |
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Thomas Harte
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f589d639db
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Okay, so it seems that sync also works the other way around.
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2016-07-09 22:25:44 -04:00 |
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Thomas Harte
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693c8b2438
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After all that, it seems likely that inputs just aren't inverted for the Vic.
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2016-07-09 20:03:38 -04:00 |
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Thomas Harte
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81e6cc34e5
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Per the ROM disassembly, the Vic's VIA outputs are inverted for the benefit of the serial bus.
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2016-07-07 06:57:21 -04:00 |
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Thomas Harte
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c9479f923b
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The inversion of truth was clearly just a problematic API. Got explicit. LineLevel might need to become more pervasive.
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2016-07-07 06:44:13 -04:00 |
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Thomas Harte
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dcb86a027a
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Okay, so the 1540 doesn't toggle the actual attention line. I don't know what it does yet but this helps.
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2016-07-06 22:31:14 -04:00 |
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Thomas Harte
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428fcdb978
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Centralised and improved serial logging.
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2016-07-06 07:46:21 -04:00 |
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Thomas Harte
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11fc43aa04
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Made an attempt to allow the 1540 to talk back to the Vic, and to receive interrupts. Also slightly disambiguated debugging logging.
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2016-07-05 19:12:43 -04:00 |
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Thomas Harte
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d16b79073e
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Further fleshing out: added a serial port for the serial bus.
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2016-07-05 17:27:02 -04:00 |
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Thomas Harte
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86dabd007b
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Furthered fleshing out of the 1540. Though it doesn't yet receive a ROM so won't even attempt to do anything meaningful.
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2016-07-05 16:39:18 -04:00 |
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Thomas Harte
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a25fcc7190
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Made a first attempt at wiring back serial port input.
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2016-07-05 16:10:54 -04:00 |
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Thomas Harte
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d2cded7b59
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Attempted to separate out the concept of a serial port and a serial bus, since the bus may be shared, and to establish half duplex communications from the Vic.
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2016-07-05 14:55:20 -04:00 |
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