- for(ns=0;ns<NSSIZE*2 && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);)
- {
- l=*CDDAPlay++;
- if(CDDAPlay==CDDAEnd) CDDAPlay=CDDAStart;
- SSumLR[ns++]+=(((short)(l&0xffff)) * iLeftXAVol) >> 15;
- SSumLR[ns++]+=(((short)((l>>16)&0xffff)) * iRightXAVol) >> 15;
- }
+ spu.spuMem[cursor] = HTOLE16(v);
+ spu.spuMem[cursor + 0x400/2] = HTOLE16(v >> 16);
+ cursor = (cursor + 1) & 0x1ff;
+ }
+ spu.XALastVal = v;
+ }
+ // occasionally CDDAFeed underflows by a few samples due to poor timing,
+ // hence this 'ns_to < 8'
+ else if(spu.CDDAPlay != spu.CDDAFeed || ns_to < 8)
+ {
+ for(ns = 0; ns < ns_to*2; ns += 2)
+ {
+ if(spu.CDDAPlay != spu.CDDAFeed) v=*spu.CDDAPlay++;
+ if(spu.CDDAPlay == spu.CDDAEnd) spu.CDDAPlay=spu.CDDAStart;
+
+ l1 = (short)v, r1 = (short)(v >> 16);
+ l = (l1 * vll + r1 * vrl) >> 15;
+ r = (r1 * vrr + l1 * vlr) >> 15;
+ ssat32_to_16(l);
+ ssat32_to_16(r);
+ if (spu.spuCtrl & CTRL_CD)
+ {
+ SSumLR[ns+0] += l;
+ SSumLR[ns+1] += r;
+ }
+ if (unlikely(spu.spuCtrl & CTRL_CDREVERB))
+ {
+ RVB[ns+0] += l;
+ RVB[ns+1] += r;
+ }
+
+ spu.spuMem[cursor] = HTOLE16(v);
+ spu.spuMem[cursor + 0x400/2] = HTOLE16(v >> 16);
+ cursor = (cursor + 1) & 0x1ff;
+ }
+ spu.XALastVal = v;
+ }
+ else if (spu.cdClearSamples > 0)
+ {
+ for(ns = 0; ns < ns_to; ns++)
+ {
+ spu.spuMem[cursor] = spu.spuMem[cursor + 0x400/2] = 0;
+ cursor = (cursor + 1) & 0x1ff;
+ }
+ spu.cdClearSamples -= ns_to;
+ spu.XALastVal = 0;
+ }