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r_step is obsolete now that I know that [DD/FD]CB don't have a refresh cycle.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
512a52e88d
Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
2020-05-20 23:34:26 -04:00
Thomas Harte
b971e2a42c
Adds get_is_resetting to the Z80, eliminating the CPC's custom version.
2020-02-29 19:58:25 -05:00
Thomas Harte
87474d5916
Corrects memptr behaviour of OUT (C), 0.
2020-02-27 20:38:27 -05:00
Thomas Harte
06163165d9
Corrects memptr effect of LD rr, (nn).
2020-02-26 22:22:54 -05:00
Thomas Harte
ec82c075be
Fixes memptr for IN C, (C).
2020-02-26 22:19:37 -05:00
Thomas Harte
3b0df172a7
Corrects memptr behaviour of JP nn.
2020-02-26 22:02:15 -05:00
Thomas Harte
7058dbc3cc
Corrects memptr for LD HL, (nn).
2020-02-26 21:54:49 -05:00
Thomas Harte
b64de89d2d
Corrects JR memptrs.
2020-02-26 21:47:34 -05:00
Thomas Harte
8878396339
Corrects DJNZ memptr behaviour.
2020-02-26 21:42:31 -05:00
Thomas Harte
7959d243f6
Adds single-stepping. Of a kind.
2020-02-24 23:31:42 -05:00
Thomas Harte
3f3229851b
Implements MEMPTR for IN.
2020-02-23 00:32:33 -05:00
Thomas Harte
4aeb9a7c56
Genericises RegisterPair.
2019-03-09 21:16:11 -05:00
Thomas Harte
0b14850467
Corrects some comments.
2018-06-24 23:02:36 -04:00
Thomas Harte
9a91ae38c1
Differentiates reasons for a read to be four cycles.
...
Specifically, puts the enforced wait either before or after checking the wait line. More research may be required; it feels more likely to me that a forced post wait should complete the read then wait, but would that still count as a single machine cycle?
2018-06-20 21:34:21 -04:00
Thomas Harte
ad9b0cd4e3
Eliminates all endashes.
2018-05-13 15:43:03 -04:00
Thomas Harte
0b771ce61a
Removes all instances of the copyright symbol.
2018-05-13 15:19:52 -04:00
Thomas Harte
f0f9d5a6af
Corrects memptr leakage via BIT, and ld (de/bc/nn), A behaviour.
2018-03-08 20:30:22 -05:00
Thomas Harte
2e15fab651
Doubles down on <cX> over <X.h> for C includes, and usage of the namespace for those types and functions.
2017-11-11 15:28:40 -05:00
Thomas Harte
cb0f58ab7a
Corrects order-of-initialisation errors in the CPC (again), TextureBuilder, TextureTarget, Z80, MFM parser and binary tape player.
2017-11-10 22:57:03 -05:00
Thomas Harte
c0055a5a5f
Further builds up SConstruct, correcting many missed imports and a couple of improper uses of C99 in C++ code.
2017-11-09 22:04:49 -05:00
Thomas Harte
45499050b6
Separates Z80Base.cpp into its component classes.
2017-09-04 11:04:01 -04:00
