diff options
Diffstat (limited to 'src/emu/sound/c352.c')
-rw-r--r-- | src/emu/sound/c352.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/emu/sound/c352.c b/src/emu/sound/c352.c index 28090a0dcaa..25b24484a30 100644 --- a/src/emu/sound/c352.c +++ b/src/emu/sound/c352.c @@ -37,9 +37,9 @@ ADDRESS_MAP_END c352_device::c352_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, C352, "C352", tag, owner, clock), - device_sound_interface(mconfig, *this), - device_memory_interface(mconfig, *this), - m_space_config("samples", ENDIANNESS_LITTLE, 8, 24, 0, NULL, *ADDRESS_MAP_NAME(c352)) + device_sound_interface(mconfig, *this), + device_memory_interface(mconfig, *this), + m_space_config("samples", ENDIANNESS_LITTLE, 8, 24, 0, NULL, *ADDRESS_MAP_NAME(c352)) { } @@ -88,8 +88,8 @@ void c352_device::mix_one_channel(unsigned long ch, long sample_count) frequency = m_c352_ch[ch].pitch; delta=frequency; - pos = m_c352_ch[ch].current_addr; // sample pointer - offset = m_c352_ch[ch].pos; // 16.16 fixed-point offset into the sample + pos = m_c352_ch[ch].current_addr; // sample pointer + offset = m_c352_ch[ch].pos; // 16.16 fixed-point offset into the sample flag = m_c352_ch[ch].flag; bank = m_c352_ch[ch].bank << 16; @@ -100,7 +100,7 @@ void c352_device::mix_one_channel(unsigned long ch, long sample_count) { offset += delta; cnt = (offset>>16)&0x7fff; - if (cnt) // if there is a whole sample part, chop it off now that it's been applied + if (cnt) // if there is a whole sample part, chop it off now that it's been applied { offset &= 0xffff; } @@ -156,7 +156,7 @@ void c352_device::mix_one_channel(unsigned long ch, long sample_count) } else { - sample = m_mulaw_table[0x7f]; // Nearest sound(s) is here. + sample = m_mulaw_table[0x7f]; // Nearest sound(s) is here. } noisebuf = 0; noisecnt = ( flag & C352_FLG_FILTER ) ? 0 : 1; @@ -305,7 +305,7 @@ void c352_device::sound_stream_update(sound_stream &stream, stream_sample_t **in for(i = 0 ; i < samples ; i++) { - m_channel_l[i] = m_channel_r[i] = m_channel_l2[i] = m_channel_r2[i] = 0; + m_channel_l[i] = m_channel_r[i] = m_channel_l2[i] = m_channel_r2[i] = 0; } for (j = 0 ; j < 32 ; j++) @@ -324,8 +324,8 @@ void c352_device::sound_stream_update(sound_stream &stream, stream_sample_t **in unsigned short c352_device::read_reg16(unsigned long address) { - unsigned long chan; - unsigned short val; + unsigned long chan; + unsigned short val; m_stream->update(); @@ -350,7 +350,7 @@ unsigned short c352_device::read_reg16(unsigned long address) void c352_device::write_reg16(unsigned long address, unsigned short val) { - unsigned long chan; + unsigned long chan; int i; m_stream->update(); @@ -361,7 +361,7 @@ void c352_device::write_reg16(unsigned long address, unsigned short val) { switch(address) { - case 0x404: // execute key-ons/offs + case 0x404: // execute key-ons/offs for ( i = 0 ; i <= 31 ; i++ ) { if ( m_c352_ch[i].flag & C352_FLG_KEYON ) @@ -470,14 +470,14 @@ void c352_device::device_start() // generate mulaw table for mulaw format samples for (i = 0; i < 256; i++) { - double y = (double) (i & 0x7f); - double x = (exp (y / y_max * log (1.0 + u)) - 1.0) * x_max / u; - - if (i & 0x80) - { - x = -x; - } - m_mulaw_table[i] = (short)x; + double y = (double) (i & 0x7f); + double x = (exp (y / y_max * log (1.0 + u)) - 1.0) * x_max / u; + + if (i & 0x80) + { + x = -x; + } + m_mulaw_table[i] = (short)x; } // register save state info |