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invinco.c
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C/C++ Source or Header
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2000-04-23
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2KB
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98 lines
/*
* Invinco sound routines
*/
#include "driver.h"
/* output port 0x02 definitions - sound effect drive outputs */
#define OUT_PORT_2_SAUCER 0x04
#define OUT_PORT_2_MOVE1 0x08
#define OUT_PORT_2_MOVE2 0x10
#define OUT_PORT_2_FIRE 0x20
#define OUT_PORT_2_INVHIT 0x40
#define OUT_PORT_2_SHIPHIT 0x80
#define PLAY(id,loop) sample_start( id, id, loop )
#define STOP(id) sample_stop( id )
/* sample file names */
const char *invinco_sample_names[] =
{
"*invinco",
"saucer.wav",
"move1.wav",
"move2.wav",
"fire.wav",
"invhit.wav",
"shiphit.wav",
"move3.wav", /* currently not used */
"move4.wav", /* currently not used */
0
};
/* sample sound IDs - must match sample file name table above */
enum
{
SND_SAUCER = 0,
SND_MOVE1,
SND_MOVE2,
SND_FIRE,
SND_INVHIT,
SND_SHIPHIT,
SND_MOVE3,
SND_MOVE4
};
WRITE_HANDLER( invinco_sh_port2_w )
{
static int port2State = 0;
int bitsChanged;
int bitsGoneHigh;
int bitsGoneLow;
bitsChanged = port2State ^ data;
bitsGoneHigh = bitsChanged & data;
bitsGoneLow = bitsChanged & ~data;
port2State = data;
if ( bitsGoneLow & OUT_PORT_2_SAUCER )
{
PLAY( SND_SAUCER, 0 );
}
if ( bitsGoneLow & OUT_PORT_2_MOVE1 )
{
PLAY( SND_MOVE1, 0 );
}
if ( bitsGoneLow & OUT_PORT_2_MOVE2 )
{
PLAY( SND_MOVE2, 0 );
}
if ( bitsGoneLow & OUT_PORT_2_FIRE )
{
PLAY( SND_FIRE, 0 );
}
if ( bitsGoneLow & OUT_PORT_2_INVHIT )
{
PLAY( SND_INVHIT, 0 );
}
if ( bitsGoneLow & OUT_PORT_2_SHIPHIT )
{
PLAY( SND_SHIPHIT, 0 );
}
#if 0
logerror("Went LO: %02X %04X\n", bitsGoneLow, cpu_get_pc());
#endif
}