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The 86F handler now returns randomly generated noise for physical holes, rather than always 0.

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OBattler
2019-11-08 22:00:29 +01:00
parent 56a8da6cf5
commit cc8ab094c7
1 changed files with 7 additions and 9 deletions
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16
src/floppy/fdd_86f.c
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@@ -10,13 +10,13 @@
* data in the form of FM/MFM-encoded transitions) which also * data in the form of FM/MFM-encoded transitions) which also
* forms the core of the emulator's floppy disk emulation. * forms the core of the emulator's floppy disk emulation.
* *
* Version: @(#)fdd_86f.c 1.0.17 2018/11/12 * Version: @(#)fdd_86f.c 1.0.18 2019/11/08
* *
* Authors: Fred N. van Kempen, <decwiz@yahoo.com> * Authors: Miran Grca, <mgrca8@gmail.com>
* Miran Grca, <mgrca8@gmail.com> * Fred N. van Kempen, <decwiz@yahoo.com>
* *
* Copyright 2018 Fred N. van Kempen. * Copyright 2016-2019 Miran Grca.
* Copyright 2016-2018 Miran Grca. * Copyright 2018,2019 Fred N. van Kempen.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@@ -1140,10 +1140,8 @@ d86f_get_bit(int drive, int side)
if (! surface_bit) if (! surface_bit)
dev->last_word[side] |= current_bit; dev->last_word[side] |= current_bit;
else { else {
if (current_bit) { /* Bit is either 0 or 1 and is set to fuzzy, we randomly generate it. */
/* Bit is 1 and is set to fuzzy, we randomly generate it. */ dev->last_word[side] |= (random_generate() & 1);
dev->last_word[side] |= (random_generate() & 1);
}
} }
} else } else
dev->last_word[side] |= current_bit; dev->last_word[side] |= current_bit;