mirror of
https://github.com/dingusdev/dingusppc.git
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39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-24 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program 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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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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// The Power-specific opcodes for the processor - ppcopcodes.cpp
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// Any shared opcodes are in ppcopcodes.cpp
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#include "ppcemu.h"
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#include "ppcdecodemacros.h"
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#include "ppcmmu.h"
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#include <stdint.h>
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/** mask generator for rotate and shift instructions (§ 4.2.1.4 PowerpC PEM) */
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static inline uint32_t power_rot_mask(unsigned rot_mb, unsigned rot_me) {
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uint32_t m1 = 0xFFFFFFFFU >> rot_mb;
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uint32_t m2 = 0xFFFFFFFFU << (31 - rot_me);
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return ((rot_mb <= rot_me) ? m2 & m1 : m1 | m2);
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}
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#include "ppcopmacros.h"
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#include "poweropcodes.include"
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