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This commit is contained in:
LTVA1 2024-08-02 19:30:35 +03:00
parent 756e8c7b96
commit 154ff52674
1 changed files with 5 additions and 5 deletions
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10
src/engine/platform/sound/sid3.c
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@ -2224,17 +2224,17 @@ uint8_t wave8580_PST[] =
/* 0xff8: */ 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xff8: */ 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
}; };
inline uint16_t sid3_pulse(uint32_t acc, uint16_t pw) // 0-FFFF pulse width range uint16_t sid3_pulse(uint32_t acc, uint16_t pw) // 0-FFFF pulse width range
{ {
return (((acc >> ((SID3_ACC_BITS - 16))) >= ((pw == 0xffff ? pw + 1 : pw)) ? (0xffff) : 0)); return (((acc >> ((SID3_ACC_BITS - 16))) >= ((pw == 0xffff ? pw + 1 : pw)) ? (0xffff) : 0));
} }
inline uint16_t sid3_saw(uint32_t acc) uint16_t sid3_saw(uint32_t acc)
{ {
return (acc >> (SID3_ACC_BITS - 16)) & (0xffff); return (acc >> (SID3_ACC_BITS - 16)) & (0xffff);
} }
inline uint16_t sid3_triangle(uint32_t acc) uint16_t sid3_triangle(uint32_t acc)
{ {
return (((acc > (1 << (SID3_ACC_BITS - 1))) ? ~acc : acc) >> (SID3_ACC_BITS - 17)); return (((acc > (1 << (SID3_ACC_BITS - 1))) ? ~acc : acc) >> (SID3_ACC_BITS - 17));
} }
@ -2250,12 +2250,12 @@ void sid3_clock_lfsr(sid3_channel* ch)
} }
} }
inline uint16_t sid3_noise(uint32_t lfsr, bool one_bit) uint16_t sid3_noise(uint32_t lfsr, bool one_bit)
{ {
return one_bit ? ((lfsr & 1) ? 0xffff : 0) : (lfsr & 0xffff); return one_bit ? ((lfsr & 1) ? 0xffff : 0) : (lfsr & 0xffff);
} }
inline uint16_t sid3_special_wave(SID3* sid3, uint32_t acc, uint8_t wave) uint16_t sid3_special_wave(SID3* sid3, uint32_t acc, uint8_t wave)
{ {
return sid3->special_waves[wave][acc >> (SID3_ACC_BITS - 14)]; return sid3->special_waves[wave][acc >> (SID3_ACC_BITS - 14)];
} }