diff --git a/src-0.2.97.13/burn/sound/k053260.cpp b/src-0.2.97.13/burn/sound/k053260.cpp
index 6ee854a..f60b7c0 100644
--- a/src-0.2.97.13/burn/sound/k053260.cpp
+++ b/src-0.2.97.13/burn/sound/k053260.cpp
@@ -15,14 +15,14 @@
 static unsigned int nUpdateStep;

 struct k053260_channel_def {
-   unsigned long       rate;
-   unsigned long       size;
-   unsigned long       start;
-   unsigned long       bank;
-   unsigned long       volume;
+   uint32_t        rate;
+   uint32_t        size;
+   uint32_t        start;
+   uint32_t        bank;
+   uint32_t        volume;
    int                 play;
-   unsigned long       pan;
-   unsigned long       pos;
+   uint32_t        pan;
+   uint32_t        pos;
    int                 loop;
    int                 ppcm; /* packed PCM ( 4 bit signed ) */
    int                 ppcm_data;
@@ -32,7 +32,7 @@ struct k053260_chip_def {
    int                             regs[0x30];
    unsigned char                   *rom;
    int                             rom_size;
-   unsigned long                   *delta_table;
+   uint32_t                    *delta_table;
    k053260_channel_def channels[4];
 };

@@ -43,7 +43,7 @@ static void InitDeltaTable(int rate, int clock ) {
    int     i;
    double  base = ( double )rate;
    double  max = (double)(clock); /* Hz */
-   unsigned long val;
+   uint32_t val;

    for( i = 0; i < 0x1000; i++ ) {
        double v = ( double )( 0x1000 - i );
@@ -52,7 +52,7 @@ static void InitDeltaTable(int rate, int clock ) {

        if ( target && base ) {
            target = fixed / ( base / target );
-           val = ( unsigned long )target;
+           val = ( uint32_t )target;
            if ( val == 0 )
                val = 1;
        } else
@@ -95,11 +95,11 @@ K053260_INLINE int limit( int val, int max, int min ) {

 void K053260Update(int chip, short *pBuf, int length)
 {
-   static const long dpcmcnv[] = { 0,1,2,4,8,16,32,64, -128, -64, -32, -16, -8, -4, -2, -1};
+   static const int dpcmcnv[] = { 0,1,2,4,8,16,32,64, -128, -64, -32, -16, -8, -4, -2, -1};

    int i, j, lvol[4], rvol[4], play[4], loop[4], ppcm_data[4], ppcm[4];
    unsigned char *rom[4];
-   unsigned long delta[4], end[4], pos[4];
+   uint32_t delta[4], end[4], pos[4];
    int dataL, dataR;
    signed char d;
    ic = &Chips[chip];
@@ -211,7 +211,7 @@ void K053260Init(int chip, int clock, unsigned char *rom, int nLen)
    for ( i = 0; i < 0x30; i++ )
        ic->regs[i] = 0;

-   ic->delta_table = ( unsigned long * )malloc( 0x1000 * sizeof( unsigned long ) );
+   ic->delta_table = ( uint32_t * )malloc( 0x1000 * sizeof( uint32_t ) );

    InitDeltaTable( rate, clock );