954 Commits

Author	SHA1	Message	Date
Thomas Harte	5401744dc0	Add additional asserts.	2021-07-21 21:47:44 -04:00
Thomas Harte	fe10a10ac2	Correct address on stack upon priviliege exception.	2021-07-21 21:46:55 -04:00
Thomas Harte	b2ae8e7a4a	Adds a type for the operation bitfield.	2021-07-18 20:54:54 -04:00
Thomas Harte	50b9d0e86d	Logically, I think this should be unsigned.	2021-07-18 20:25:22 -04:00
Thomas Harte	0cfc7f732c	Extends to support read/write permissions in apply.	2021-07-17 21:09:52 -04:00
Thomas Harte	51d98ef9ab	Add missing stddef header where size_t is used.	2021-07-01 23:15:32 -04:00
Thomas Harte	bdcab447f9	Add a further accessor.	2021-06-27 16:27:26 -04:00
Thomas Harte	d80f03e369	Corrects longstanding deviation from naming convention.	2021-04-25 14:11:36 -04:00
Thomas Harte	e7a9ae18a1	Introduce further default state.	2021-04-24 23:18:00 -04:00
Thomas Harte	77fcf52d27	Purely style: remove some redundant nullptrs.	2021-04-19 18:53:00 -04:00
Thomas Harte	79c2bc1fd7	Put the program counter on the bus during interrupt acknowledge.	2021-04-19 18:43:50 -04:00
Thomas Harte	7017324d60	r_step is obsolete now that I know that [DD/FD]CB don't have a refresh cycle.	2021-04-13 22:17:30 -04:00
Thomas Harte	deb5d69ac7	Consolidates macros.	2021-04-13 22:11:28 -04:00
Thomas Harte	5998f3b35b	Corrects LD[I/D/IR/DR] timing. ... Macro cleanup to come.	2021-04-13 20:00:18 -04:00
Thomas Harte	869567fdd9	Corrects EX (SP), HL breakdown.	2021-04-13 19:45:48 -04:00
Thomas Harte	b42780173a	Establishes that there really is no Read4 and Read4Pre distinction. ... Will finish these unit tests, then clean up.	2021-04-12 20:54:10 -04:00
Thomas Harte	947de2d54a	Switches five-cycle read to a post hoc pause.	2021-04-12 17:17:08 -04:00
Thomas Harte	e82367def3	Switches to test-conformant behaviour for (IX/IY+n) opcode fetches.	2021-04-11 23:01:00 -04:00
Thomas Harte	9cde7c12ba	Shifts responsibility for refresh into the fetch-decode-execute sequence.	2021-04-11 22:50:24 -04:00
Thomas Harte	015556cc91	Switch (ii+n) to Read4Pre.	2021-04-11 10:26:14 -04:00
Thomas Harte	b397059d5e	Moves read time in Read4Pre.	2021-04-10 17:54:20 -04:00
Thomas Harte	e0736435f8	Makes assumption that the address bus just holds its value during an internal operation.	2021-04-10 12:00:53 -04:00
Thomas Harte	eacffa49f5	Exposes IR during 'internal' operations.	2021-04-08 22:22:26 -04:00
Thomas Harte	29cf80339a	Corrects too-short buffer.	2021-04-08 22:15:03 -04:00
Thomas Harte	57a7e0834f	Corrects sampling of MREQ.	2021-04-08 19:21:35 -04:00
Thomas Harte	25b8c4c062	Provide clearer failure case.	2021-04-03 21:04:44 -04:00
Thomas Harte	1be88a5308	Remove first draft.	2021-04-02 07:39:22 -04:00
Thomas Harte	294280a94e	Spells out everything except interrupt acknowledge.	2021-04-02 07:38:06 -04:00
Thomas Harte	32aebfebe0	Starts spelling out meaning of the Z80's partial machine cycles.	2021-04-02 07:37:56 -04:00
Thomas Harte	76299a2add	Include AF' in Z80 state.	2021-03-29 22:58:52 -04:00
Thomas Harte	c8471eb993	Adds various asserts, some comments.	2021-03-03 20:47:45 -05:00
Thomas Harte	83d0cfc24e	Improves commentary.	2021-03-03 20:33:28 -05:00
Thomas Harte	f6466fd657	Remove temporary hackery.	2021-02-19 22:47:50 -05:00
Thomas Harte	72d7901c88	Takes a shot at the keyboard data full flag. ... Just a guess. But likely?	2021-02-19 20:06:12 -05:00
Thomas Harte	992ee6d631	Don't zero out the program bank until after it has headed stackward.	2021-02-17 22:08:08 -05:00
Thomas Harte	3c887aff95	Improves consistency.	2021-01-21 18:58:22 -05:00
Thomas Harte	e0b36c9c3d	Corrects PBR/DBR resetting upon an exception.	2020-12-29 15:27:49 -05:00
Thomas Harte	574a37814c	Attempts to fix exception selection and timing.	2020-12-08 18:46:30 -05:00
Thomas Harte	c72bdd776e	Adds a new assert: I think this is the issue getting into GS/OS.	2020-12-07 22:43:24 -05:00
Thomas Harte	9e0e063f8a	Resolves one further GCC warning. ... Technically this leaves one further, on a temporary printf I have in my IIgs. I'll fix that when I strip all this caveman stufff.	2020-11-22 21:57:48 -05:00
Thomas Harte	8ace258fbc	Tackles outstanding GCC warnings.	2020-11-22 21:43:56 -05:00
Thomas Harte	cdacf280e1	After much extra logging, corrects destination bank for MVN and MVP.	2020-11-15 16:08:29 -05:00
Thomas Harte	d3c7253981	Shifts size-limiting of X and Y to transitions and mutations, away from reads. ... Primarily to remove potential bug-causing complexity — this is easier to debug. But let's see.	2020-11-04 20:35:41 -05:00
Thomas Harte	d50b059a17	Imports 6502-esque test for decimal SBC overflow. ... All applicable krom tests now pass.	2020-11-03 20:37:30 -05:00
Thomas Harte	cc5ec78156	Provides something on WAI/STP; sizes STY by the x flag; disables MSC test.	2020-11-03 20:17:44 -05:00
Thomas Harte	ddc44ce0d1	Reshuffles enum to make macro tests marginally easier.	2020-11-03 20:17:09 -05:00
Thomas Harte	5cbb91f352	Fixes COP vector, ensures WDM skips a byte.	2020-11-03 20:01:02 -05:00
Thomas Harte	91ea2eff4c	Corrects MVN/MVP off-by-one and failure to store what was read.	2020-11-03 18:29:35 -05:00
Thomas Harte	bf85d71674	Brings ADC into conformance. Fixes JML.	2020-11-03 18:12:10 -05:00
Thomas Harte	3889646d6b	Takes a swing at incorporating krom's 65816 test suite. At least as far as ADC.	2020-11-02 21:09:32 -05:00