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author Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
commitf88cefad27a1737c76e09d99c9fb43e173506081 (patch)
tree2d8167d03579c46e226471747eb4407bd00ed6fa /src/devices/sound/315-5641.h
parente92ac9e0fa8e99869894bea00589bbb526be30aa (diff)
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/sound/315-5641.h')
-rw-r--r--src/devices/sound/315-5641.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/devices/sound/315-5641.h b/src/devices/sound/315-5641.h
new file mode 100644
index 00000000000..c8fb0f6270f
--- /dev/null
+++ b/src/devices/sound/315-5641.h
@@ -0,0 +1,30 @@
+/* Sega 315-5641 / D77591 / 9442CA010 */
+
+// this is the PICO sound chip, we are not sure if it's the same as a 7759 or not, it requires FIFO logic
+// which the 7759 does _not_ have but it is possible that is handled somewhere else on the PICO hardawre.
+
+#include "upd7759.h"
+
+
+class sega_315_5641_pcm_device : public upd7759_device
+{
+public:
+ sega_315_5641_pcm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ UINT8 get_fifo_space();
+ void advance_state();
+ DECLARE_WRITE8_MEMBER(port_w);
+
+ UINT8 m_fifo_data[0x40];
+ UINT8 m_fifo_read; // last read offset (will read in m_fifo_read+1)
+ UINT8 m_fifo_write; // write offset
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+
+};
+
+extern const device_type SEGA_315_5641_PCM; \ No newline at end of file