[Vice-emu-commit] SF.net SVN: vice-emu:[45754] trunk/vice/src/core/fmop l.c

Revision: 45754
          http://sourceforge.net/p/vice-emu/code/45754
Author:   gpz
Date:     2025-09-05 15:54:41 +0000 (Fri, 05 Sep 2025)
Log Message:
-----------
allocate some tables dynamically. there is (much) more room for stuff like this in this file

Modified Paths:
--------------
    trunk/vice/src/core/fmopl.c

Modified: trunk/vice/src/core/fmopl.c
===================================================================
--- trunk/vice/src/core/fmopl.c	2025-09-05 15:52:49 UTC (rev 45753)
+++ trunk/vice/src/core/fmopl.c	2025-09-05 15:54:41 UTC (rev 45754)
@@ -325,13 +325,13 @@
  *   TL_RES_LEN - sinus resolution (X axis)
  */
 #define TL_TAB_LEN (12 * 2 * TL_RES_LEN)
-static signed int tl_tab[TL_TAB_LEN];
+static signed int *tl_tab = NULL;
 
 #define ENV_QUIET       (TL_TAB_LEN >> 4)
 
 /* sin waveform table in 'decibel' scale */
 /* four waveforms on OPL2 type chips */
-static unsigned int sin_tab[SIN_LEN * 4];
+static unsigned int *sin_tab = NULL;
 
 /* LFO Amplitude Modulation table (verified on real YM3812)
    27 output levels (triangle waveform); 1 level takes one of: 192, 256 or 448 samples
@@ -950,6 +950,15 @@
     signed int n;
     double o, m;
 
+    if (tl_tab == NULL) {
+        tl_tab = lib_malloc(TL_TAB_LEN * sizeof(signed int));
+    }
+
+    if (sin_tab == NULL) {
+        sin_tab = lib_malloc(SIN_LEN * 4 * sizeof(unsigned int));
+    }
+
+
     for (x = 0; x < TL_RES_LEN; x++) {
         m = (1 << 16) / pow(2, (x + 1) * (ENV_STEP / 4.0) / 8.0);
         m = floor(m);
@@ -1031,6 +1040,15 @@
 
 static void OPLCloseTable( void )
 {
+    if (tl_tab) {
+        lib_free(tl_tab);
+        tl_tab = NULL;
+    }
+
+    if (sin_tab) {
+        lib_free(sin_tab);
+        sin_tab = NULL;
+    }
 }
 
 static void OPL_initalize(FM_OPL *OPL)

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