mirror of
https://github.com/holub/mame
synced 2025-06-10 14:52:42 +03:00
noticed some inconsistencies with variable types (helps with big endian?)
This commit is contained in:
Michaël Banaan Ananas
parent
cb71ef0446
commit
d9060b615e
@ -281,7 +281,7 @@ void ymf271_device::calculate_step(YMF271Slot *slot)
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st /= (double)(524288/65536); // pre-multiply with 65536
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slot->step = (UINT64)st;
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slot->step = (UINT32)st;
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}
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else // internal waveform (FM)
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{
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@ -293,7 +293,7 @@ void ymf271_device::calculate_step(YMF271Slot *slot)
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st /= (double)(536870912/65536); // pre-multiply with 65536
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slot->step = (UINT64)st;
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slot->step = (UINT32)st;
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}
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}
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@ -420,23 +420,23 @@ void ymf271_device::update_lfo(YMF271Slot *slot)
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calculate_step(slot);
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}
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int ymf271_device::calculate_slot_volume(YMF271Slot *slot)
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INT64 ymf271_device::calculate_slot_volume(YMF271Slot *slot)
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{
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UINT64 volume;
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UINT64 env_volume;
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UINT64 lfo_volume = 65536;
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INT64 volume;
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INT64 env_volume;
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INT64 lfo_volume = 65536;
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switch (slot->ams)
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{
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case 0: lfo_volume = 65536; break; // 0dB
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case 1: lfo_volume = 65536 - (((UINT64)slot->lfo_amplitude * 33124) >> 16); break; // 5.90625dB
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case 2: lfo_volume = 65536 - (((UINT64)slot->lfo_amplitude * 16742) >> 16); break; // 11.8125dB
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case 3: lfo_volume = 65536 - (((UINT64)slot->lfo_amplitude * 4277) >> 16); break; // 23.625dB
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case 1: lfo_volume = 65536 - ((slot->lfo_amplitude * 33124) >> 16); break; // 5.90625dB
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case 2: lfo_volume = 65536 - ((slot->lfo_amplitude * 16742) >> 16); break; // 11.8125dB
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case 3: lfo_volume = 65536 - ((slot->lfo_amplitude * 4277) >> 16); break; // 23.625dB
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}
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env_volume = ((UINT64)env_volume_table[255 - (slot->volume >> ENV_VOLUME_SHIFT)] * (UINT64)lfo_volume) >> 16;
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env_volume = (env_volume_table[255 - (slot->volume >> ENV_VOLUME_SHIFT)] * lfo_volume) >> 16;
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volume = ((UINT64)env_volume * (UINT64)total_level[slot->tl]) >> 16;
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volume = (env_volume * total_level[slot->tl]) >> 16;
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return volume;
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}
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@ -444,7 +444,7 @@ int ymf271_device::calculate_slot_volume(YMF271Slot *slot)
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void ymf271_device::update_pcm(int slotnum, INT32 *mixp, int length)
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{
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int i;
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int final_volume;
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INT64 final_volume;
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INT16 sample;
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INT64 ch0_vol, ch1_vol; //, ch2_vol, ch3_vol;
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@ -481,10 +481,10 @@ void ymf271_device::update_pcm(int slotnum, INT32 *mixp, int length)
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final_volume = calculate_slot_volume(slot);
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ch0_vol = ((UINT64)final_volume * (UINT64)channel_attenuation[slot->ch0_level]) >> 16;
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ch1_vol = ((UINT64)final_volume * (UINT64)channel_attenuation[slot->ch1_level]) >> 16;
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// ch2_vol = ((UINT64)final_volume * (UINT64)channel_attenuation[slot->ch2_level]) >> 16;
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// ch3_vol = ((UINT64)final_volume * (UINT64)channel_attenuation[slot->ch3_level]) >> 16;
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ch0_vol = (final_volume * channel_attenuation[slot->ch0_level]) >> 16;
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ch1_vol = (final_volume * channel_attenuation[slot->ch1_level]) >> 16;
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// ch2_vol = (final_volume * channel_attenuation[slot->ch2_level]) >> 16;
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// ch3_vol = (final_volume * channel_attenuation[slot->ch3_level]) >> 16;
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if (ch0_vol > 65536) ch0_vol = 65536;
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if (ch1_vol > 65536) ch1_vol = 65536;
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@ -505,7 +505,7 @@ void ymf271_device::update_pcm(int slotnum, INT32 *mixp, int length)
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// calculates 2 operator FM using algorithm 0
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// <--------|
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// +--[S1]--+--[S3]-->
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INT32 ymf271_device::calculate_2op_fm_0(int slotnum1, int slotnum2)
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INT64 ymf271_device::calculate_2op_fm_0(int slotnum1, int slotnum2)
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{
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YMF271Slot *slot1 = &m_slots[slotnum1];
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YMF271Slot *slot2 = &m_slots[slotnum2];
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@ -542,7 +542,7 @@ INT32 ymf271_device::calculate_2op_fm_0(int slotnum1, int slotnum2)
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// calculates 2 operator FM using algorithm 1
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// <-----------------|
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// +--[S1]--+--[S3]--|-->
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INT32 ymf271_device::calculate_2op_fm_1(int slotnum1, int slotnum2)
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INT64 ymf271_device::calculate_2op_fm_1(int slotnum1, int slotnum2)
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{
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YMF271Slot *slot1 = &m_slots[slotnum1];
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YMF271Slot *slot2 = &m_slots[slotnum2];
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@ -577,7 +577,7 @@ INT32 ymf271_device::calculate_2op_fm_1(int slotnum1, int slotnum2)
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}
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// calculates the output of one FM operator
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INT32 ymf271_device::calculate_1op_fm_0(int slotnum, int phase_modulation)
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INT64 ymf271_device::calculate_1op_fm_0(int slotnum, INT64 phase_modulation)
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{
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YMF271Slot *slot = &m_slots[slotnum];
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INT64 env;
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@ -601,7 +601,7 @@ INT32 ymf271_device::calculate_1op_fm_0(int slotnum, int phase_modulation)
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// calculates the output of one FM operator with feedback modulation
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// <--------|
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// +--[S1]--|
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INT32 ymf271_device::calculate_1op_fm_1(int slotnum)
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INT64 ymf271_device::calculate_1op_fm_1(int slotnum)
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{
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YMF271Slot *slot = &m_slots[slotnum];
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INT64 env;
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@ -1004,7 +1004,7 @@ void ymf271_device::sound_stream_update(sound_stream &stream, stream_sample_t **
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}
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}
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void ymf271_device::write_register(int slotnum, int reg, int data)
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void ymf271_device::write_register(int slotnum, int reg, UINT8 data)
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{
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YMF271Slot *slot = &m_slots[slotnum];
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@ -1110,7 +1110,7 @@ void ymf271_device::write_register(int slotnum, int reg, int data)
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}
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}
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void ymf271_device::ymf271_write_fm(int bank, int address, int data)
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void ymf271_device::ymf271_write_fm(int bank, UINT8 address, UINT8 data)
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{
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int groupnum = fm_tab[address & 0xf];
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if (groupnum == -1)
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@ -1207,7 +1207,7 @@ void ymf271_device::ymf271_write_fm(int bank, int address, int data)
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}
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}
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void ymf271_device::ymf271_write_pcm(int data)
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void ymf271_device::ymf271_write_pcm(UINT8 data)
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{
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int slotnum = pcm_tab[m_pcmreg & 0xf];
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if (slotnum == -1)
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@ -1337,7 +1337,7 @@ UINT8 ymf271_device::ymf271_read_memory(UINT32 offset)
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return m_ext_read_handler(offset);
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}
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void ymf271_device::ymf271_write_timer(int data)
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void ymf271_device::ymf271_write_timer(UINT8 data)
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{
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if ((m_timerreg & 0xf0) == 0)
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{
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@ -40,39 +40,39 @@ protected:
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private:
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struct YMF271Slot
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{
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INT8 ext_en;
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INT8 ext_out;
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UINT8 ext_en;
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UINT8 ext_out;
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UINT8 lfoFreq;
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INT8 lfowave;
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INT8 pms, ams;
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INT8 detune;
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INT8 multiple;
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INT8 tl;
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INT8 keyscale;
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INT8 ar;
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INT8 decay1rate, decay2rate;
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INT8 decay1lvl;
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INT8 relrate;
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INT32 fns;
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INT8 block;
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INT8 feedback;
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INT8 waveform;
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INT8 accon;
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INT8 algorithm;
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INT8 ch0_level, ch1_level, ch2_level, ch3_level;
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UINT8 lfowave;
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UINT8 pms, ams;
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UINT8 detune;
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UINT8 multiple;
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UINT8 tl;
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UINT8 keyscale;
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UINT8 ar;
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UINT8 decay1rate, decay2rate;
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UINT8 decay1lvl;
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UINT8 relrate;
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UINT32 fns;
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UINT8 block;
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UINT8 feedback;
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UINT8 waveform;
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UINT8 accon;
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UINT8 algorithm;
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UINT8 ch0_level, ch1_level, ch2_level, ch3_level;
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UINT32 startaddr;
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UINT32 loopaddr;
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UINT32 endaddr;
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INT8 altloop;
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INT8 fs;
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INT8 srcnote, srcb;
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UINT8 altloop;
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UINT8 fs;
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UINT8 srcnote, srcb;
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INT64 step;
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INT64 stepptr;
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UINT32 step;
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UINT32 stepptr;
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INT8 active;
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INT8 bits;
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UINT8 active;
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UINT8 bits;
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// envelope generator
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INT32 volume;
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@ -85,14 +85,14 @@ private:
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INT64 feedback_modulation0;
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INT64 feedback_modulation1;
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INT32 lfo_phase, lfo_step;
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INT32 lfo_amplitude;
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int lfo_phase, lfo_step;
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int lfo_amplitude;
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double lfo_phasemod;
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};
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struct YMF271Group
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{
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INT8 sync, pfm;
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UINT8 sync, pfm;
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};
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void init_state();
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@ -101,34 +101,34 @@ private:
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void init_envelope(YMF271Slot *slot);
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void init_lfo(YMF271Slot *slot);
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void update_lfo(YMF271Slot *slot);
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int calculate_slot_volume(YMF271Slot *slot);
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INT64 calculate_slot_volume(YMF271Slot *slot);
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void update_pcm(int slotnum, INT32 *mixp, int length);
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INT32 calculate_2op_fm_0(int slotnum1, int slotnum2);
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INT32 calculate_2op_fm_1(int slotnum1, int slotnum2);
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INT32 calculate_1op_fm_0(int slotnum, int phase_modulation);
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INT32 calculate_1op_fm_1(int slotnum);
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void write_register(int slotnum, int reg, int data);
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void ymf271_write_fm(int grp, int adr, int data);
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void ymf271_write_pcm(int data);
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INT64 calculate_2op_fm_0(int slotnum1, int slotnum2);
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INT64 calculate_2op_fm_1(int slotnum1, int slotnum2);
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INT64 calculate_1op_fm_0(int slotnum, INT64 phase_modulation);
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INT64 calculate_1op_fm_1(int slotnum);
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void write_register(int slotnum, int reg, UINT8 data);
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void ymf271_write_fm(int bank, UINT8 address, UINT8 data);
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void ymf271_write_pcm(UINT8 data);
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UINT8 ymf271_read_memory(UINT32 offset);
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void ymf271_write_timer(int data);
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void ymf271_write_timer(UINT8 data);
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// internal state
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YMF271Slot m_slots[48];
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YMF271Group m_groups[12];
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INT32 m_timerA;
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INT32 m_timerB;
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INT32 m_irqstate;
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INT8 m_status;
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INT8 m_enable;
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UINT32 m_timerA;
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UINT32 m_timerB;
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UINT8 m_irqstate;
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UINT8 m_status;
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UINT8 m_enable;
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INT8 m_reg0;
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INT8 m_reg1;
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INT8 m_reg2;
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INT8 m_reg3;
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INT8 m_pcmreg;
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INT8 m_timerreg;
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UINT8 m_reg0;
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UINT8 m_reg1;
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UINT8 m_reg2;
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UINT8 m_reg3;
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UINT8 m_pcmreg;
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UINT8 m_timerreg;
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UINT32 m_ext_address;
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UINT8 m_ext_rw;
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UINT8 m_ext_readlatch;
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