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/*
SunA 8 Bit Games samples
Format: PCM unsigned 8 bit mono 4Khz
*/
#include "emu.h"
#include "sound/samples.h"
#include "includes/suna8.h"
static INT16 *samplebuf;
static int sample;
WRITE8_DEVICE_HANDLER( suna8_play_samples_w )
{
if( data )
{
if( ~data & 0x10 )
{
sample_start_raw(device, 0, &samplebuf[0x800*sample], 0x0800, 4000, 0);
}
else if( ~data & 0x08 )
{
sample &= 3;
sample_start_raw(device, 0, &samplebuf[0x800*(sample+7)], 0x0800, 4000, 0);
}
}
}
WRITE8_DEVICE_HANDLER( rranger_play_samples_w )
{
if( data )
{
if(( sample != 0 ) && ( ~data & 0x30 )) // don't play sample zero when the bit is active
{
sample_start_raw(device, 0, &samplebuf[0x800*sample], 0x0800, 4000, 0);
}
}
}
WRITE8_DEVICE_HANDLER( suna8_samples_number_w )
{
sample = data & 0xf;
}
SAMPLES_START( suna8_sh_start )
{
running_machine *machine = device->machine;
int i, len = memory_region_length(machine, "samples");
UINT8 *ROM = memory_region(machine, "samples");
samplebuf = auto_alloc_array(machine, INT16, len);
for(i=0;i<len;i++)
samplebuf[i] = (INT8)(ROM[i] ^ 0x80) * 256;
}
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