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36 lines
1.5 KiB
Go
36 lines
1.5 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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// Package random should be used in preference to the math/rand package when a
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// random number is required inside the emulation.
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//
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// There are two functions belonging to the Rewind type that return random
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// numbers:
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//
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// Rewindable() returns numbers based on the current television coordinates.
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// The number will always return the same number for the same coordinates. As
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// such it is compatible with the emulator's rewind system.
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//
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// NoRewind() returns random numbers regardless of the current television
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// coordinates. It is therefore, not compatiable with the emulator's rewind
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// system.
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//
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// Parallel emulators should return the same sequence of random numbers even if
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// NoRewind() is used.
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//
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// If the same random numbers are required every single time then set ZeroSeed
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// to true. This is useful for testing purposes.
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package random
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