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-rw-r--r--src/mame/audio/senjyo.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mame/audio/senjyo.cpp b/src/mame/audio/senjyo.cpp
new file mode 100644
index 00000000000..a8f92fedbe5
--- /dev/null
+++ b/src/mame/audio/senjyo.cpp
@@ -0,0 +1,34 @@
+// license:BSD-3-Clause
+// copyright-holders:Mirko Buffoni
+#include "emu.h"
+#include "includes/senjyo.h"
+
+
+const z80_daisy_config senjyo_daisy_chain[] =
+{
+ { "z80ctc" },
+ { "z80pio" },
+ { NULL }
+};
+
+
+/* z80 pio */
+
+READ8_MEMBER(senjyo_state::pio_pa_r)
+{
+ return m_sound_cmd;
+}
+
+WRITE_LINE_MEMBER(senjyo_state::sound_line_clock)
+{
+ if (state != 0)
+ {
+ m_dac->write_signed16(2184 * 2 * ((m_sound_state & 8) ? m_single_volume : 0));
+ m_sound_state++;
+ }
+}
+
+WRITE8_MEMBER(senjyo_state::volume_w)
+{
+ m_single_volume = data & 0x0f;
+}