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https://github.com/ZDoom/ZMusic.git
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85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
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/*
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* Interfaces over Yamaha OPN2 (YM2612) chip emulators
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*
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* Copyright (c) 2017-2020 Vitaly Novichkov (Wohlstand)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef OPN_CHIP_FAMILY_H
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#define OPN_CHIP_FAMILY_H
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#include <stdint.h>
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#define OPN_FAMILY_EACH(F) \
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F(OPN2) F(OPNA)
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enum OPNFamily
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{
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#define Each(x) OPNChip_##x,
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OPN_FAMILY_EACH(Each)
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#undef Each
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OPNChip_Count
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};
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template <OPNFamily F>
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struct OPNFamilyTraits;
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template <>
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struct OPNFamilyTraits<OPNChip_OPN2>
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{
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enum
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{
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nativeRate = 53267,
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nativeClockRate = 7670454
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};
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};
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template <>
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struct OPNFamilyTraits<OPNChip_OPNA>
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{
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enum
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{
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nativeRate = 55466,
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nativeClockRate = 7987200
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};
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};
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inline uint32_t opn2_getNativeRate(OPNFamily f)
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{
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switch(f)
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{
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default:
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#define Each(x) case OPNChip_##x: \
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return OPNFamilyTraits<OPNChip_##x>::nativeRate;
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OPN_FAMILY_EACH(Each)
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#undef Each
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}
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}
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inline uint32_t opn2_getNativeClockRate(OPNFamily f)
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{
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switch(f)
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{
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default:
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#define Each(x) case OPNChip_##x: \
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return OPNFamilyTraits<OPNChip_##x>::nativeClockRate;
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OPN_FAMILY_EACH(Each)
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#undef Each
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}
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}
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#endif // OPN_CHIP_FAMILY_H
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