Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-21 07:52:35 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

ymfm: Fix OPL3 waveform 7 to better match hardware.

Browse Source
This commit is contained in:
Aaron Giles 2021-05-22 13:28:30 -07:00
parent 082292b897
commit b78991fc83
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
3rdparty/ymfm/src/ymfm_opl.cpp vendored
View File

@ -96,7 +96,7 @@ opl_registers_base<Revision>::opl_registers_base() :
wf4[index] = bitfield(index, 9) ? zeroval : wf0[index * 2];
wf5[index] = bitfield(index, 9) ? zeroval : wf0[(index * 2) & 0x1ff];
wf6[index] = bitfield(index, 9) << 15;
wf7[index] = (zeroval - wf0[(index / 2)]) | (bitfield(index, 9) << 15);
wf7[index] = (bitfield(index, 9) ? (index ^ 0x13ff) : index) << 3;
}
}
}