diff options
Diffstat (limited to 'ym2612.c')
| -rw-r--r-- | ym2612.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -261,7 +261,7 @@ void ym_run(ym2612_context * context, uint32_t to_cycle) //TODO: Modulate phase by LFO if necessary operator->phase_counter += operator->phase_inc; uint16_t phase = operator->phase_counter >> 10 & 0x3FF; - uint16_t mod = 0; + int16_t mod = 0; switch (op % 4) { case 0://Operator 1 @@ -323,7 +323,7 @@ void ym_run(ym2612_context * context, uint32_t to_cycle) } phase += mod; - uint16_t output = pow_table[sine_table[phase & 0x1FF] + env]; + int16_t output = pow_table[sine_table[phase & 0x1FF] + env]; if (phase & 0x200) { output = -output; } @@ -341,12 +341,12 @@ void ym_run(ym2612_context * context, uint32_t to_cycle) } chan->output = output; } - int16_t value = context->channels[channel].output & 0x3FE0; - if (value & 0x2000) { - value |= 0xC000; - } if (first_key_on) { - dfprintf(debug_file, "channel %d output: %d\n", channel, value / 2); + int16_t value = context->channels[channel].output & 0x3FE0; + if (value & 0x2000) { + value |= 0xC000; + } + dfprintf(debug_file, "channel %d output: %d\n", channel, value / YM_VOLUME_DIVIDER); } } //puts("operator update done"); |