Thomas Harte
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85b5dd35b1
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Took a shot at 8-bit arithmetic.
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2017-05-21 09:43:17 -04:00 |
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Thomas Harte
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11cfaa3e3d
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Performed light syntactic cleaning on the first part of the base page table, eliminated redundant temporary variables, implemented 8-bit increment and decrement.
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2017-05-21 09:17:30 -04:00 |
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Thomas Harte
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103c863534
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Through temporarily dramatically increased logging, fixed conditional JP.
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2017-05-20 23:03:52 -04:00 |
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Thomas Harte
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6688f83226
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Took a shot at LDIR.
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2017-05-20 21:58:24 -04:00 |
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Thomas Harte
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01a064dd63
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Added an empty ED page.
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2017-05-20 17:29:30 -04:00 |
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Thomas Harte
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7b234078ae
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Implemented EX DE, HL and shuffled to allow instruction pages.
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2017-05-20 17:04:25 -04:00 |
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Thomas Harte
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add02a7897
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Added LD (nn), A, and reduced double logging to single for now.
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2017-05-19 23:13:28 -04:00 |
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Thomas Harte
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19167df692
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Consolidated and filled in AND and XOR.
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2017-05-19 23:03:34 -04:00 |
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Thomas Harte
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6766845e21
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Filled in most of the loads.
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2017-05-19 22:57:43 -04:00 |
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Thomas Harte
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bc3b5f3e35
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Added 16-bit INCs and DECs. Which don't set flags, so are easy.
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2017-05-19 22:13:36 -04:00 |
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Thomas Harte
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5fe23113ec
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Moved RET to the correct place, implemented POP AF.
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2017-05-19 22:03:12 -04:00 |
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Thomas Harte
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c55e1c1d17
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Implemented POP and therefore RET; corrected timing of PUSH.
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2017-05-19 21:59:45 -04:00 |
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Thomas Harte
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d910405648
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Added enough infrastructure to be able to react to the two CP/M calls this cares about.
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2017-05-19 21:53:39 -04:00 |
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Thomas Harte
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62b432c046
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Added the concept of a trap handler to the all-RAM processor and exposed it via the test Z80 classes.
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2017-05-19 21:20:28 -04:00 |
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Thomas Harte
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eae1f78221
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Implemented the main page pushes.
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2017-05-19 19:28:38 -04:00 |
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Thomas Harte
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11d05fb3b8
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Expanded a little on operations, added an implementation or two.
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2017-05-19 19:18:35 -04:00 |
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Thomas Harte
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58efca835f
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Sought to add a further opcode.
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2017-05-18 22:53:43 -04:00 |
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Thomas Harte
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da6e520b91
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Merge branch 'master' into Z80
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2017-05-18 22:30:51 -04:00 |
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Thomas Harte
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a5099f69d8
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Merge pull request #127 from TomHarte/OricShift
Maps either Mac shift key to both Oric shifts
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2017-05-18 22:27:47 -04:00 |
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Thomas Harte
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9398b6c2c8
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Unable to differentiate, decided to map a Mac shift key to both Oric shifts.
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2017-05-18 22:25:59 -04:00 |
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Thomas Harte
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99f2060fc1
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Further improved macros.
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2017-05-18 22:11:54 -04:00 |
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Thomas Harte
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5d3ebcb35a
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Made a first attempt at LD HL, (nn).
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2017-05-17 22:42:30 -04:00 |
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Thomas Harte
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509d011fbe
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Implemented JP, my first Z80 operation.
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2017-05-17 22:31:41 -04:00 |
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Thomas Harte
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17ffd604bf
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Made an attempt to get the Z80 at least as far as rejecting an opcode.
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2017-05-17 21:45:23 -04:00 |
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Thomas Harte
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a3dafa9056
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Abbreviated uses of enumerations.
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2017-05-17 21:44:08 -04:00 |
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Thomas Harte
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21d0602305
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Restored the all RAM 6502's lack of power-on reset.
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2017-05-17 21:43:40 -04:00 |
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Thomas Harte
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64d6ee1be5
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Adjusted slightly to adapt to latest Swift warnings.
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2017-05-17 07:49:48 -04:00 |
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Thomas Harte
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1378ab7278
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Ensured initial program counter and stack pointer are correct for Zexall, fixed the Z80 to use a compile-time polymorphic call for bus access.
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2017-05-17 07:36:06 -04:00 |
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Thomas Harte
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87a021ec2d
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Made further attempt to get as fas as having the Z80 attempt to do something.
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2017-05-16 22:19:40 -04:00 |
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Thomas Harte
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189317b80c
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Added enough of a Z80 test machine to bridge up into Swift.
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2017-05-16 22:05:42 -04:00 |
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Thomas Harte
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4f0775cc7c
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Imported the Zexall.com tester, as a first thing to throw at the Z80 to be.
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2017-05-16 21:37:09 -04:00 |
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Thomas Harte
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7190f927b7
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Factored out the stuff that both all-RAM processors would share, rather than duplicating it.
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2017-05-16 21:28:17 -04:00 |
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Thomas Harte
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d559d8b901
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Continued edging towards getting the absolute basics of a testable Z80, for test-driven development. Corrected old-fashioned instance naming issues with the corresponding 6502 class and removed an unnecessary source file while at it.
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2017-05-16 21:19:17 -04:00 |
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Thomas Harte
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2562306802
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Merge branch 'master' into Z80
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2017-05-16 21:05:00 -04:00 |
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Thomas Harte
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15394358df
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Merge pull request #126 from TomHarte/GCRAnalysis
Corrects infinite loop when performing GCR analysis
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2017-05-16 20:54:24 -04:00 |
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Thomas Harte
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df4d4467b3
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Ensured GCR parser spins the disk.
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2017-05-16 20:53:06 -04:00 |
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Thomas Harte
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67ec0b9e6c
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Merge pull request #125 from TomHarte/SampledComposite
Formalises reasoning for the colour phase clamp and offset...
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2017-05-16 20:47:20 -04:00 |
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Thomas Harte
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2ee8a7056e
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Corrected TIA no longer to assume phase is an automatic quarter askew.
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2017-05-16 20:43:28 -04:00 |
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Thomas Harte
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a5075d9eb5
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Formalised the reasoning behind the colour phase fix-up and made it an opt-in per-caller value. Only the Oric currently needs to opt in.
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2017-05-16 20:31:39 -04:00 |
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Thomas Harte
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50bb4f0142
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There's finally a loop in here, at least.
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2017-05-15 22:25:52 -04:00 |
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Thomas Harte
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df80c37adb
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Renamed TestMachine to TestMachine6502 since there's going to be multiple of them.
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2017-05-15 08:18:57 -04:00 |
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Thomas Harte
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7da51602d5
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Moved flush, added run_for_cycles, which does nothing right now.
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2017-05-15 07:59:21 -04:00 |
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Thomas Harte
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5152517887
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Added the boilerplate stuff necessary to query registers.
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2017-05-15 07:55:53 -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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f2a1a906ff
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Adapted what negligible amount there is of the z80 as per the new CPU namespace.
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2017-05-14 22:15:16 -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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b81a2cc273
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First tentative steps towards adding a Z80 implementation.
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2017-05-14 17:46:41 -04:00 |
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Thomas Harte
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abeaedf16f
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Merge pull request #123 from TomHarte/RemovedDeadOption
Formally withdraws the 'load automatically' option for the Vic
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2017-05-14 17:03:33 -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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81c5f4ab19
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Merge pull request #122 from TomHarte/16bit6560
Increases VIC-I intermediate format to 16 bit and corrects output colours
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2017-05-13 22:03:08 -04:00 |
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