etc/furnace
0
0
Fork 0
mirror of https://github.com/tildearrow/furnace.git synced 2024-11-30 00:13:03 +00:00
Code Issues Projects Releases Packages Wiki Activity

fix env bugs?

Browse source
This commit is contained in:
LTVA1 2024-07-31 19:42:54 +03:00
parent 15725acbaa
commit c8c082977d
1 changed files with 15 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
src/engine/platform/sound/sid3.c
View file

@ -2367,7 +2367,7 @@ void sid3_adsr_clock(sid3_channel_adsr* adsr)
if (adsr->envelope_counter >= 0xff0000)
{
adsr->state = DECAY;
adsr->envelope_speed = envspd_adr(adsr->d); //todo: do it properly
adsr->envelope_speed = envspd_adr(adsr->d);
}
return; //do not do exponential approximation of attack
@ -2377,11 +2377,19 @@ void sid3_adsr_clock(sid3_channel_adsr* adsr)
{
adsr->envelope_counter -= adsr->envelope_speed;
if(adsr->envelope_counter <= ((uint32_t)adsr->s << 16) || adsr->envelope_counter > 0xff0000)
if(adsr->envelope_counter > 0xff0f00) adsr->envelope_counter = 0xff0000;
if(adsr->envelope_counter <= ((uint32_t)adsr->s << 16))
{
adsr->state = SUSTAIN;
adsr->envelope_counter = (uint32_t)adsr->s << 16;
adsr->envelope_speed = envspd_sr(adsr->sr); //todo: do it properly
adsr->envelope_speed = envspd_sr(adsr->sr);
}
if(adsr->envelope_counter <= adsr->envelope_speed || adsr->envelope_counter > 0xfff0000)
{
adsr->envelope_counter = 0;
adsr->hold_zero = true;
}
}
break;
@ -2390,7 +2398,7 @@ void sid3_adsr_clock(sid3_channel_adsr* adsr)
{
adsr->envelope_counter -= adsr->envelope_speed;
if(adsr->envelope_counter <= adsr->envelope_speed || adsr->envelope_counter > 0xff0000)
if(adsr->envelope_counter <= adsr->envelope_speed || adsr->envelope_counter > 0xfff0000)
{
adsr->envelope_counter = 0;
adsr->hold_zero = true;
@ -2661,6 +2669,8 @@ inline uint16_t sid3_special_wave(SID3* sid3, uint32_t acc, uint8_t wave)
uint16_t sid3_get_waveform(SID3* sid3, sid3_channel* ch)
{
if(ch->waveform == 0) return 0x8000;
switch(ch->mix_mode)
{
case SID3_MIX_8580:
@ -2692,6 +2702,7 @@ uint16_t sid3_get_waveform(SID3* sid3, sid3_channel* ch)
return sid3_special_wave(sid3, ch->accumulator, ch->special_wave);
break;
}
default: break;
}
break;
}