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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/k054539.h
parente92ac9e0fa8e99869894bea00589bbb526be30aa (diff)
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/sound/k054539.h')
-rw-r--r--src/devices/sound/k054539.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/devices/sound/k054539.h b/src/devices/sound/k054539.h
new file mode 100644
index 00000000000..d6fa2dc73a1
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+++ b/src/devices/sound/k054539.h
@@ -0,0 +1,124 @@
+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+/*********************************************************
+
+ Konami 054539 PCM Sound Chip
+
+*********************************************************/
+
+#pragma once
+
+#ifndef __K054539_H__
+#define __K054539_H__
+
+typedef device_delegate<void (double left, double right)> k054539_cb_delegate;
+#define K054539_CB_MEMBER(_name) void _name(double left, double right)
+
+#define MCFG_K054539_APAN_CB(_class, _method) \
+ k054539_device::set_analog_callback(*device, k054539_cb_delegate(&_class::_method, #_class "::" #_method, downcast<_class *>(owner)));
+
+#define MCFG_K054539_REGION_OVERRRIDE(_region) \
+ k054539_device::set_override(*device, _region);
+
+#define MCFG_K054539_TIMER_HANDLER(_devcb) \
+ devcb = &k054539_device::set_timer_handler(*device, DEVCB_##_devcb);
+
+
+//* control flags, may be set at DRIVER_INIT().
+#define K054539_RESET_FLAGS 0
+#define K054539_REVERSE_STEREO 1
+#define K054539_DISABLE_REVERB 2
+#define K054539_UPDATE_AT_KEYON 4
+
+class k054539_device : public device_t,
+ public device_sound_interface
+{
+public:
+ enum {
+ RESET_FLAGS = 0,
+ REVERSE_STEREO = 1,
+ DISABLE_REVERB = 2,
+ UPDATE_AT_KEYON = 4
+ };
+
+ // construction/destruction
+ k054539_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // static configuration helpers
+ static void set_analog_callback(device_t &device, k054539_cb_delegate callback) { downcast<k054539_device &>(device).m_apan_cb = callback; }
+ static void set_override(device_t &device, const char *rgnoverride) { downcast<k054539_device &>(device).m_rgnoverride = rgnoverride; }
+ template<class _Object> static devcb_base &set_timer_handler(device_t &device, _Object object) { return downcast<k054539_device &>(device).m_timer_handler.set_callback(object); }
+
+
+ DECLARE_WRITE8_MEMBER(write);
+ DECLARE_READ8_MEMBER(read);
+
+ void init_flags(int flags);
+
+ /*
+ Note that the eight PCM channels of a K054539 do not have separate
+ volume controls. Considering the global attenuation equation may not
+ be entirely accurate, k054539_set_gain() provides means to control
+ channel gain. It can be called anywhere but preferrably from
+ DRIVER_INIT().
+
+ Parameters:
+ channel : 0 - 7
+ gain : 0.0=silent, 1.0=no gain, 2.0=twice as loud, etc.
+ */
+ void set_gain(int channel, double gain);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_post_load();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+ // device_sound_interface overrides
+ virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
+
+private:
+ struct channel {
+ UINT32 pos;
+ UINT32 pfrac;
+ INT32 val;
+ INT32 pval;
+ };
+
+ double voltab[256];
+ double pantab[0xf];
+
+ double gain[8];
+ UINT8 posreg_latch[8][3];
+ int flags;
+
+ unsigned char regs[0x230];
+ unsigned char *ram;
+ int reverb_pos;
+
+ INT32 cur_ptr;
+ int cur_limit;
+ unsigned char *cur_zone;
+ unsigned char *rom;
+ UINT32 rom_size;
+ UINT32 rom_mask;
+
+ channel channels[8];
+ sound_stream *stream;
+
+ emu_timer *m_timer;
+ UINT32 m_timer_state;
+ devcb_write_line m_timer_handler;
+ const char *m_rgnoverride;
+ k054539_cb_delegate m_apan_cb;
+
+ bool regupdate();
+ void keyon(int channel);
+ void keyoff(int channel);
+ void init_chip();
+};
+
+extern const device_type K054539;
+
+#endif /* __K054539_H__ */