summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/sound/okim6258.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/emu/sound/okim6258.c')
-rw-r--r--src/emu/sound/okim6258.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/src/emu/sound/okim6258.c b/src/emu/sound/okim6258.c
index 2ba9862ba11..622ede0cacc 100644
--- a/src/emu/sound/okim6258.c
+++ b/src/emu/sound/okim6258.c
@@ -12,12 +12,12 @@
#include "emu.h"
#include "okim6258.h"
-#define COMMAND_STOP (1 << 0)
-#define COMMAND_PLAY (1 << 1)
-#define COMMAND_RECORD (1 << 2)
+#define COMMAND_STOP (1 << 0)
+#define COMMAND_PLAY (1 << 1)
+#define COMMAND_RECORD (1 << 2)
-#define STATUS_PLAYING (1 << 1)
-#define STATUS_RECORDING (1 << 2)
+#define STATUS_PLAYING (1 << 1)
+#define STATUS_RECORDING (1 << 2)
static const int dividers[4] = { 1024, 768, 512, 512 };
@@ -25,12 +25,12 @@ struct okim6258_state
{
UINT8 status;
- UINT32 master_clock; /* master clock frequency */
- UINT32 divider; /* master clock divider */
- UINT8 adpcm_type; /* 3/4 bit ADPCM select */
- UINT8 data_in; /* ADPCM data-in register */
- UINT8 nibble_shift; /* nibble select */
- sound_stream *stream; /* which stream are we playing on? */
+ UINT32 master_clock; /* master clock frequency */
+ UINT32 divider; /* master clock divider */
+ UINT8 adpcm_type; /* 3/4 bit ADPCM select */
+ UINT8 data_in; /* ADPCM data-in register */
+ UINT8 nibble_shift; /* nibble select */
+ sound_stream *stream; /* which stream are we playing on? */
UINT8 output_bits;
@@ -84,9 +84,9 @@ static void compute_tables(void)
{
diff_lookup[step*16 + nib] = nbl2bit[nib][0] *
(stepval * nbl2bit[nib][1] +
- stepval/2 * nbl2bit[nib][2] +
- stepval/4 * nbl2bit[nib][3] +
- stepval/8);
+ stepval/2 * nbl2bit[nib][2] +
+ stepval/4 * nbl2bit[nib][3] +
+ stepval/8);
}
}
@@ -356,7 +356,7 @@ const device_type OKIM6258 = &device_creator<okim6258_device>;
okim6258_device::okim6258_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, OKIM6258, "OKI6258", tag, owner, clock),
- device_sound_interface(mconfig, *this)
+ device_sound_interface(mconfig, *this)
{
m_token = global_alloc_clear(okim6258_state);
}
@@ -398,5 +398,3 @@ void okim6258_device::sound_stream_update(sound_stream &stream, stream_sample_t
// should never get here
fatalerror("sound_stream_update called; not applicable to legacy sound devices\n");
}
-
-