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* work on better support for non-chip-8 programs on COSMAC VIP and DREAM6800 * fix for properties copy issue * Fix dropdown issues * more cleanup work * Use of new property system to handle more generic core properties, fix for spinner issue, better error handling in VIP. * First working COSMAC VIP mode that can run non-chip binaries, some chiplet refactoring to reuse lexer. * Small documentation fixes. * Fix for build file. * Added missing include for CI build. * Mingw fix.
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| --- | ||
| Checks: -modernize-use-nodiscard | ||
| Checks: '-modernize-use-nodiscard' | ||
| ... |
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| //--------------------------------------------------------------------------------------- | ||
| // src/random.hpp - warning this is not for cryptographic use, it's used for emulation!!! | ||
| //--------------------------------------------------------------------------------------- | ||
| // | ||
| // Copyright (c) 2024, Steffen Schümann <s.schuemann@pobox.com> | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| // SOFTWARE. | ||
| // | ||
| //--------------------------------------------------------------------------------------- | ||
| #pragma once | ||
|
|
||
| #include <cstdint> | ||
| #include <random> | ||
|
|
||
| namespace ghc | ||
| { | ||
|
|
||
| class RandomLCG | ||
| { | ||
| public: | ||
| enum Type { }; | ||
| explicit RandomLCG(uint32_t seed = 1) | ||
| : _state(seed ? seed : 1) | ||
| {} | ||
| uint16_t operator()() | ||
| { | ||
| next(); | ||
| return _state >> 16; | ||
| } | ||
| private: | ||
| void next() | ||
| { | ||
| _state = ((_state * 1103515245) + 12345) & 0x7FFFFFFF; | ||
| } | ||
| uint32_t _state{1}; | ||
| }; | ||
|
|
||
| class RandomMT | ||
| { | ||
| public: | ||
| RandomMT(uint32_t seed = 0) | ||
| : _engine(seed ? seed : std::random_device()()) | ||
| {} | ||
| uint16_t operator()() | ||
| { | ||
| return _engine(); | ||
| } | ||
| private: | ||
| std::mt19937 _engine; | ||
| }; | ||
|
|
||
| } |
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