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40 Commits

Author SHA1 Message Date
Thomas Harte
6b18d775ab Eliminate unused variables. 2024-03-12 21:53:26 -04:00
Thomas Harte
ca30cf6376 Eliminate surviving uses of old naming convention. 2024-01-16 14:18:29 -05:00
Thomas Harte
980ccbd45b Eliminate repetition macros. 2024-01-16 14:17:31 -05:00
Thomas Harte
cc635fd3ea Eliminate set_decimal_rotate_flags entirely. 2024-01-16 13:59:03 -05:00
Thomas Harte
fe34083ab8 Demacroise set_shift_flags, reduce casting. 2024-01-16 13:51:16 -05:00
Thomas Harte
ea4cc4c9b3 Convert set_rotate_flags and decline_conditional macros. 2024-01-16 13:40:44 -05:00
Thomas Harte
5b5ae69a18 Convert set_logical_flags and set_arithmetic_flags to lambdas. 2024-01-16 10:13:30 -05:00
Thomas Harte
de038fe28f Eliminate easy macros from Z80 implementation. 2024-01-16 09:43:41 -05:00
Thomas Harte
8578dfbf22 Eliminate various other errant spaces. 2023-05-16 16:40:09 -04:00
Thomas Harte
4ddbf095f3 Fully banish flush from the processors. 2022-07-12 10:49:53 -04:00
Thomas Harte
d80f03e369 Corrects longstanding deviation from naming convention. 2021-04-25 14:11:36 -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7017324d60 r_step is obsolete now that I know that [DD/FD]CB don't have a refresh cycle. 2021-04-13 22:17:30 -04:00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
9cde7c12ba Shifts responsibility for refresh into the fetch-decode-execute sequence. 2021-04-11 22:50:24 -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
2477752fa4 Adds further [[fallthrough]] attributes. 2020-06-19 23:36:51 -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
25996ce180 Further doubles down on construction syntax for type conversions. 2020-05-09 23:00:39 -04:00
Thomas Harte
01faffd5bf Corrects memptr behaviour of OTIR/OTDR and INIR/INDR. 
This seemingly perfects memptr.
 2020-02-27 20:55:43 -05:00
Thomas Harte
26de5be07c Corrects memptr behaviour of LDIR/LDDR and CPIR/CPDR. 2020-02-27 20:44:53 -05:00
Thomas Harte
87474d5916 Corrects memptr behaviour of OUT (C), 0. 2020-02-27 20:38:27 -05:00
Thomas Harte
ec82c075be Fixes memptr for IN C, (C). 2020-02-26 22:19:37 -05:00
Thomas Harte
8878396339 Corrects DJNZ memptr behaviour. 2020-02-26 21:42:31 -05:00
Thomas Harte
3097c4ccae Improves MEMPTR testing and some results. 2020-02-24 23:32:18 -05:00
Thomas Harte
3f3229851b Implements MEMPTR for IN. 2020-02-23 00:32:33 -05:00
Thomas Harte
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
4aeb9a7c56 Genericises RegisterPair. 2019-03-09 21:16:11 -05:00
Thomas Harte
0b771ce61a Removes all instances of the copyright symbol. 2018-05-13 15:19:52 -04:00
Thomas Harte
0e73ba4b3e Introduces proper 5/3 SCF/CCF behaviour for the Z80. 
While also `const`ing a bunch of things.
 2018-03-09 09:47:00 -05:00
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
74dfe56d2b
Expands documentation of NMI setting. 
Given that it was previously incorrect, explains logic behind request_status_ and last_request_status_ setting. Also takes the opportunity to ensure that NMI is 'sampled' at the same time as IRQ; whether the next thing should be the NMI routine now occurs one cycle before the end of any instruction. That's an assumption for now. Testing to come.
 2018-03-02 11:10:02 -05:00
Thomas Harte
b02e4fbbf6 Corrects NMI receipt to be genuinely edge triggered. 
Previously a caller that signalled NMI set multiple times would trigger multiple NMIs.
 2018-03-01 22:04:56 -05:00
Thomas Harte
23c47e21de Proceeds the ColecoVision to booting. 2018-02-24 18:14:38 -05:00
Thomas Harte
5aef81cf24 Commutes cross-platform #pragma marks to //MARK:s. 2017-11-12 15:59:11 -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
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
6e1d69581c Eliminates a variety of end-of-line spaces. 2017-11-07 22:54:22 -05:00
Thomas Harte
ad9df4bb90 Commutes uint8_t *, uint16_t *, uint32_t *, size_t, off_t and long to functional-style casts. 2017-10-21 22:30:15 -04:00
Thomas Harte
e983854e71 Converts all uint8_t and uint16_t casts to the functional style. 2017-10-21 21:50:53 -04:00
Thomas Harte
a1e200cc65 Further strips back the amount exposed in Z80-related headers. 
Almost all opcode table generation macros and code now resides neatly in the world of .CPP.
 2017-09-01 22:19:16 -04:00
Thomas Harte
b034d4e6f8 Refactors the Z80 to separate out interface and implementation. 
Following the pattern just established by the 6502, puts all implementation specifics beyond the visibility of a human reading Z80.hpp and in subfolders so as to promote the idea that they shouldn't go out of their way.
 2017-09-01 20:50:24 -04:00