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Diffstat (limited to 'trunk/src/emu/sound/tiaintf.c')
-rw-r--r--trunk/src/emu/sound/tiaintf.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/trunk/src/emu/sound/tiaintf.c b/trunk/src/emu/sound/tiaintf.c
new file mode 100644
index 00000000000..8c977c5c102
--- /dev/null
+++ b/trunk/src/emu/sound/tiaintf.c
@@ -0,0 +1,79 @@
+#include "emu.h"
+#include "tiaintf.h"
+#include "tiasound.h"
+
+typedef struct _tia_state tia_state;
+struct _tia_state
+{
+ sound_stream * channel;
+ void *chip;
+};
+
+INLINE tia_state *get_safe_token(device_t *device)
+{
+ assert(device != NULL);
+ assert(device->type() == TIA);
+ return (tia_state *)downcast<legacy_device_base *>(device)->token();
+}
+
+
+static STREAM_UPDATE( tia_update )
+{
+ tia_state *info = (tia_state *)param;
+ tia_process(info->chip, outputs[0], samples);
+}
+
+
+static DEVICE_START( tia )
+{
+ tia_state *info = get_safe_token(device);
+
+ info->channel = device->machine().sound().stream_alloc(*device, 0, 1, device->clock(), info, tia_update);
+
+ info->chip = tia_sound_init(device->clock(), device->clock(), 16);
+ assert_always(info->chip != NULL, "Error creating TIA chip");
+}
+
+static DEVICE_STOP( tia )
+{
+ tia_state *info = get_safe_token(device);
+ tia_sound_free(info->chip);
+}
+
+WRITE8_DEVICE_HANDLER( tia_sound_w )
+{
+ tia_state *info = get_safe_token(device);
+ info->channel->update();
+ tia_write(info->chip, offset, data);
+}
+
+
+
+
+/**************************************************************************
+ * Generic get_info
+ **************************************************************************/
+
+DEVICE_GET_INFO( tia )
+{
+ switch (state)
+ {
+ /* --- the following bits of info are returned as 64-bit signed integers --- */
+ case DEVINFO_INT_TOKEN_BYTES: info->i = sizeof(tia_state); break;
+
+ /* --- the following bits of info are returned as pointers to data or functions --- */
+ case DEVINFO_FCT_START: info->start = DEVICE_START_NAME( tia ); break;
+ case DEVINFO_FCT_STOP: info->stop = DEVICE_STOP_NAME( tia ); break;
+ case DEVINFO_FCT_RESET: /* Nothing */ break;
+
+ /* --- the following bits of info are returned as NULL-terminated strings --- */
+ case DEVINFO_STR_NAME: strcpy(info->s, "TIA"); break;
+ case DEVINFO_STR_FAMILY: strcpy(info->s, "Atari custom"); break;
+ case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break;
+ case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break;
+ case DEVINFO_STR_CREDITS: strcpy(info->s, "Copyright Nicola Salmoria and the MAME Team"); break;
+ }
+}
+
+
+DEFINE_LEGACY_SOUND_DEVICE(TIA, tia);