RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

clean up dac code a bit

Browse source
This commit is contained in:
notaz 2017-09-30 02:23:13 +03:00
parent e23f4494fb
commit 4f2cdbf551
7 changed files with 62 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

8
pico/memory.c
View file

@ -932,7 +932,7 @@ static int ym2612_write_local(u32 a, u32 d, int is_from_z80)
int scanline = get_scanline(is_from_z80);
//elprintf(EL_STATUS, "%03i -> %03i dac w %08x z80 %i", PsndDacLine, scanline, d, is_from_z80);
ym2612.dacout = ((int)d - 0x80) << 6;
if (PsndOut && ym2612.dacen && scanline >= PsndDacLine)
if (ym2612.dacen)
PsndDoDAC(scanline);
return 0;
}
@ -1016,8 +1016,10 @@ static int ym2612_write_local(u32 a, u32 d, int is_from_z80)
}
case 0x2b: { /* DAC Sel (YM2612) */
int scanline = get_scanline(is_from_z80);
ym2612.dacen = d & 0x80;
if (d & 0x80) PsndDacLine = scanline;
if (ym2612.dacen != (d & 0x80)) {
ym2612.dacen = d & 0x80;
PsndDacLine = scanline;
}
#ifdef __GP2X__
if (PicoOpt & POPT_EXT_FM) YM2612Write_940(a, d, scanline);
#endif