libretro/mame2003-plus-libretro
1
0
Fork 0
mirror of https://github.com/libretro/mame2003-plus-libretro.git synced 2024-11-23 08:19:42 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix scross engine sounds missing - dink

Browse Source
This commit is contained in:
mahoneyt944 2024-11-11 06:38:51 -05:00 committed by GitHub
parent 90f5941078
commit c86232158c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 26 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/sound/multipcm.c
View File

@ -397,31 +397,7 @@ static void MultiPCM_reg_w(int chip, int offset, unsigned char data)
break; break;
case 1: /* sample*/ case 1: /* sample*/
break; inum = cptr->registers[vnum][1];
case 2: /* pitch LSB*/
/* MUST fall through to update pitch also!*/
case 3: /* pitch MSB*/
/* compute frequency divisor*/
pitch = (cptr->registers[vnum][3]<<8) + cptr->registers[vnum][2];
pt_abs = (double)abs(pitch);
pt_oct = pt_abs>>12;
if(pitch < 0)
{
vptr->ptdelta = cptr->dlttbl[0x1000 - (pt_abs&0xfff)];
vptr->ptdelta >>= (pt_oct+1);
}
else
{
vptr->ptdelta = cptr->dlttbl[pt_abs&0xfff];
vptr->ptdelta <<= pt_oct;
}
break;
case 4: /* key on/off*/
if (data & 0x80)
{
inum = cptr->registers[vnum][1];
/* calc decay amount*/ /* calc decay amount*/
vptr->relamt = decaytbl[(0x0f - cptr->samples[inum].env[2])]; vptr->relamt = decaytbl[(0x0f - cptr->samples[inum].env[2])];
@ -461,8 +437,32 @@ static void MultiPCM_reg_w(int chip, int offset, unsigned char data)
vptr->ptoffset = 0; vptr->ptoffset = 0;
vptr->ptsum = 0; vptr->ptsum = 0;
vptr->active = 1;
vptr->relstage = 0; vptr->relstage = 0;
break;
case 2: /* pitch LSB*/
/* MUST fall through to update pitch also!*/
case 3: /* pitch MSB*/
/* compute frequency divisor*/
pitch = (cptr->registers[vnum][3]<<8) + cptr->registers[vnum][2];
pt_abs = (double)abs(pitch);
pt_oct = pt_abs>>12;
if(pitch < 0)
{
vptr->ptdelta = cptr->dlttbl[0x1000 - (pt_abs&0xfff)];
vptr->ptdelta >>= (pt_oct+1);
}
else
{
vptr->ptdelta = cptr->dlttbl[pt_abs&0xfff];
vptr->ptdelta <<= pt_oct;
}
break;
case 4: /* key on/off*/
if (data & 0x80)
{
vptr->active = 1;
} }
else else
{ {