library: Fix bitmask

AntonioND · AntonioND · commit b2e2e75d7086 · 2023-04-20T19:02:00.000+01:00
diff --git a/source/NEGeneral.c b/source/NEGeneral.c
@@ -447,7 +447,7 @@ void NE_VBLFunc(void)
     if (NE_Effect == NE_NOISE || NE_Effect == NE_SINE)
     {
         if (!NE_effectpause)
-            NE_lastvbladd = (NE_lastvbladd + 1) & NE_NOISEPAUSE_SIZE;
+            NE_lastvbladd = (NE_lastvbladd + 1) & (NE_NOISEPAUSE_SIZE - 1);
     }
 
     NE_Screen ^= 1;

Original file line number	Diff line number	Diff line change
`@@ -447,7 +447,7 @@ void NE_VBLFunc(void)`
`447`	`447`	`if (NE_Effect == NE_NOISE \|\| NE_Effect == NE_SINE)`
`448`	`448`	`{`
`449`	`449`	`if (!NE_effectpause)`
`450`		`- NE_lastvbladd = (NE_lastvbladd + 1) & NE_NOISEPAUSE_SIZE;`
	`450`	`+ NE_lastvbladd = (NE_lastvbladd + 1) & (NE_NOISEPAUSE_SIZE - 1);`
`451`	`451`	`}`
`452`	`452`
`453`	`453`	`NE_Screen ^= 1;`