mirror of
https://github.com/holub/mame
synced 2025-10-04 16:34:53 +03:00
2312 lines
74 KiB
C++
2312 lines
74 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Aaron Giles
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/**********************************************************************************************
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Ensoniq ES5505/6 driver
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by Aaron Giles
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Ensoniq OTIS - ES5505 Ensoniq OTTO - ES5506
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OTIS is a VLSI device designed in a 2 micron double metal OTTO is a VLSI device designed in a 1.5 micron double metal
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CMOS process. The device is the next generation of audio CMOS process. The device is the next generation of audio
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technology from ENSONIQ. This new chip achieves a new technology from ENSONIQ. All calculations in the device are
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level of audio fidelity performance. These improvements made with at least 18-bit accuracy.
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are achieved through the use of frequency interpolation
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and on board real time digital filters. All calculations The major features of OTTO are:
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in the device are made with at least 16 bit accuracy. - 68 pin PLCC package
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- On chip real time digital filters
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The major features of OTIS are: - Frequency interpolation
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- 48 Pin dual in line package - 32 independent voices
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- On chip real time digital filters - Loop start and stop posistions for each voice
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- Frequency interpolation - Bidirectional and reverse looping
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- 32 independent voices (up from 25 in DOCII) - 68000 compatibility for asynchronous bus communication
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- Loop start and stop positions for each voice - separate host and sound memory interface
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- Bidirectional and reverse looping - 6 channel stereo serial communication port
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- 68000 compatibility for asynchronous bus communication - Programmable clocks for defining serial protocol
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- On board pulse width modulation D to A - Internal volume multiplication and stereo panning
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- 4 channel stereo serial communication port - A to D input for pots and wheels
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- Internal volume multiplication and stereo panning - Hardware support for envelopes
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- A to D input for pots and wheels - Support for dual OTTO systems
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- Up to 10MHz operation - Optional compressed data format for sample data
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- Up to 16MHz operation
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______ ______
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_|o \__/ |_
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A17/D13 - |_|1 48|_| - VSS A A A A A A
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_| |_ 2 1 1 1 1 1 A
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A18/D14 - |_|2 47|_| - A16/D12 0 9 8 7 6 5 1
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_| |_ / / / / / / 4
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A19/D15 - |_|3 46|_| - A15/D11 H H H H H H H V V H D D D D D D /
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_| |_ D D D D D D D S D D 1 1 1 1 1 1 D
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BS - |_|4 45|_| - A14/D10 0 1 2 3 4 5 6 S D 7 5 4 3 2 1 0 9
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_| |_ ------------------------------------+
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PWZERO - |_|5 44|_| - A13/D9 / 9 8 7 6 5 4 3 2 1 6 6 6 6 6 6 6 6 |
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_| |_ / 8 7 6 5 4 3 2 1 |
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SER0 - |_|6 43|_| - A12/D8 | |
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_| E |_ SER0|10 60|A13/D8
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SER1 - |_|7 N 42|_| - A11/D7 SER1|11 59|A12/D7
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_| S |_ SER2|12 58|A11/D6
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SER2 - |_|8 O 41|_| - A10/D6 SER3|13 ENSONIQ 57|A10/D5
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_| N |_ SER4|14 56|A9/D4
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SER3 - |_|9 I 40|_| - A9/D5 SER5|15 55|A8/D3
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_| Q |_ WCLK|16 54|A7/D2
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SERWCLK - |_|10 39|_| - A8/D4 LRCLK|17 ES5506 53|A6/D1
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_| |_ BCLK|18 52|A5/D0
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SERLR - |_|11 38|_| - A7/D3 RESB|19 51|A4
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_| |_ HA5|20 50|A3
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SERBCLK - |_|12 E 37|_| - A6/D2 HA4|21 OTTO 49|A2
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_| S |_ HA3|22 48|A1
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RLO - |_|13 5 36|_| - A5/D1 HA2|23 47|A0
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_| 5 |_ HA1|24 46|BS1
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RHI - |_|14 0 35|_| - A4/D0 HA0|25 45|BS0
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_| 5 |_ POT_IN|26 44|DTACKB
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LLO - |_|15 34|_| - CLKIN | 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 |
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_| |_ | 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 |
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LHI - |_|16 33|_| - CAS +--------------------------------------+
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_| |_ B E E B E B B D S B B B E K B W W
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POT - |_|17 O 32|_| - AMUX S B L N L S S D S S X S L Q / /
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_| T |_ E E R E H M C V V A U A C R R R
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DTACK - |_|18 I 31|_| - RAS R R D H R M C I M
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_| S |_ _ D A
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R/W - |_|19 30|_| - E T
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_| |_ O
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MS - |_|20 29|_| - IRQ P
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_| |_
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CS - |_|21 28|_| - A3
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_| |_
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RES - |_|22 27|_| - A2
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_| |_
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VSS - |_|23 26|_| - A1
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_| |_
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VDD - |_|24 25|_| - A0
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|________________|
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***********************************************************************************************/
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#include "emu.h"
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#include "es5506.h"
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/**********************************************************************************************
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CONSTANTS
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***********************************************************************************************/
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#define LOG_COMMANDS 0
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#define RAINE_CHECK 0
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#if MAKE_WAVS
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#include "sound/wavwrite.h"
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#endif
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#define MAX_SAMPLE_CHUNK 10000
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#define ULAW_MAXBITS 8
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#define CONTROL_BS1 0x8000
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#define CONTROL_BS0 0x4000
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#define CONTROL_CMPD 0x2000
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#define CONTROL_CA2 0x1000
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#define CONTROL_CA1 0x0800
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#define CONTROL_CA0 0x0400
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#define CONTROL_LP4 0x0200
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#define CONTROL_LP3 0x0100
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#define CONTROL_IRQ 0x0080
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#define CONTROL_DIR 0x0040
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#define CONTROL_IRQE 0x0020
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#define CONTROL_BLE 0x0010
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#define CONTROL_LPE 0x0008
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#define CONTROL_LEI 0x0004
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#define CONTROL_STOP1 0x0002
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#define CONTROL_STOP0 0x0001
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#define CONTROL_BSMASK (CONTROL_BS1 | CONTROL_BS0)
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#define CONTROL_CAMASK (CONTROL_CA2 | CONTROL_CA1 | CONTROL_CA0)
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#define CONTROL_LPMASK (CONTROL_LP4 | CONTROL_LP3)
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#define CONTROL_LOOPMASK (CONTROL_BLE | CONTROL_LPE)
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#define CONTROL_STOPMASK (CONTROL_STOP1 | CONTROL_STOP0)
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es550x_device::es550x_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
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: device_t(mconfig, type, name, tag, owner, clock, shortname, source),
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device_sound_interface(mconfig, *this),
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m_stream(nullptr),
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m_sample_rate(0),
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m_write_latch(0),
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m_read_latch(0),
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m_master_clock(0),
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m_current_page(0),
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m_active_voices(0),
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m_mode(0),
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m_wst(0),
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m_wend(0),
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m_lrend(0),
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m_irqv(0),
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m_scratch(nullptr),
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m_ulaw_lookup(nullptr),
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m_volume_lookup(nullptr),
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#if MAKE_WAVS
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m_wavraw(nullptr),
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#endif
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m_eslog(nullptr),
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m_region0(nullptr),
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m_region1(nullptr),
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m_region2(nullptr),
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m_region3(nullptr),
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m_channels(0),
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m_irq_cb(*this),
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m_read_port_cb(*this)
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{
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for (auto & elem : m_region_base)
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{
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elem = nullptr;
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}
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}
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const device_type ES5506 = &device_creator<es5506_device>;
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es5506_device::es5506_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: es550x_device(mconfig, ES5506, "ES5506", tag, owner, clock, "es5506", __FILE__)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void es550x_device::device_start()
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{
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}
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void es5506_device::device_start()
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{
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int j;
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UINT32 accum_mask;
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int channels = 1; /* 1 channel by default, for backward compatibility */
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/* only override the number of channels if the value is in the valid range 1 .. 6 */
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if (1 <= m_channels && m_channels <= 6)
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channels = m_channels;
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/* debugging */
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if (LOG_COMMANDS && !m_eslog)
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m_eslog = fopen("es.log", "w");
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/* create the stream */
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m_stream = machine().sound().stream_alloc(*this, 0, 2 * channels, clock() / (16*32));
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/* initialize the regions */
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m_region_base[0] = m_region_base[1] = m_region_base[2] = m_region_base[3] = nullptr;
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if (m_region0)
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{
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memory_region *region0 = machine().root_device().memregion(m_region0);
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if (region0 != nullptr)
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{
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m_region_base[0] = (UINT16 *)region0->base();
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}
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}
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if (m_region1)
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{
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memory_region *region1 = machine().root_device().memregion(m_region1);
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if (region1 != nullptr)
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{
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m_region_base[1] = (UINT16 *)region1->base();
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}
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}
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if (m_region2)
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{
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memory_region *region2 = machine().root_device().memregion(m_region2);
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if (region2 != nullptr)
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{
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m_region_base[2] = (UINT16 *)region2->base();
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}
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}
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if (m_region3)
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{
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memory_region *region3 = machine().root_device().memregion(m_region3);
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if (region3 != nullptr)
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{
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m_region_base[3] = (UINT16 *)region3->base();
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}
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}
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/* initialize the rest of the structure */
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m_master_clock = clock();
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m_irq_cb.resolve();
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m_read_port_cb.resolve();
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m_irqv = 0x80;
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m_channels = channels;
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/* KT-76 assumes all voices are active on an ES5506 without setting them! */
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m_active_voices = 31;
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m_sample_rate = m_master_clock / (16 * (m_active_voices + 1));
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m_stream->set_sample_rate(m_sample_rate);
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/* compute the tables */
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compute_tables();
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/* init the voices */
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accum_mask = 0xffffffff;
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for (j = 0; j < 32; j++)
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{
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m_voice[j].index = j;
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m_voice[j].control = CONTROL_STOPMASK;
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m_voice[j].lvol = 0xffff;
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m_voice[j].rvol = 0xffff;
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m_voice[j].exbank = 0;
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m_voice[j].accum_mask = accum_mask;
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}
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/* allocate memory */
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m_scratch = make_unique_clear<INT32[]>(2 * MAX_SAMPLE_CHUNK);
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/* register save */
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save_item(NAME(m_sample_rate));
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save_item(NAME(m_write_latch));
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save_item(NAME(m_read_latch));
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save_item(NAME(m_current_page));
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save_item(NAME(m_active_voices));
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save_item(NAME(m_mode));
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save_item(NAME(m_wst));
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save_item(NAME(m_wend));
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save_item(NAME(m_lrend));
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save_item(NAME(m_irqv));
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save_pointer(NAME(m_scratch.get()), 2 * MAX_SAMPLE_CHUNK);
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for (j = 0; j < 32; j++)
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{
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save_item(NAME(m_voice[j].control), j);
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save_item(NAME(m_voice[j].freqcount), j);
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save_item(NAME(m_voice[j].start), j);
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save_item(NAME(m_voice[j].lvol), j);
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save_item(NAME(m_voice[j].end), j);
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save_item(NAME(m_voice[j].lvramp), j);
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save_item(NAME(m_voice[j].accum), j);
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save_item(NAME(m_voice[j].rvol), j);
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save_item(NAME(m_voice[j].rvramp), j);
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save_item(NAME(m_voice[j].ecount), j);
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save_item(NAME(m_voice[j].k2), j);
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save_item(NAME(m_voice[j].k2ramp), j);
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save_item(NAME(m_voice[j].k1), j);
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save_item(NAME(m_voice[j].k1ramp), j);
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save_item(NAME(m_voice[j].o4n1), j);
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save_item(NAME(m_voice[j].o3n1), j);
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save_item(NAME(m_voice[j].o3n2), j);
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save_item(NAME(m_voice[j].o2n1), j);
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save_item(NAME(m_voice[j].o2n2), j);
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save_item(NAME(m_voice[j].o1n1), j);
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save_item(NAME(m_voice[j].exbank), j);
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save_item(NAME(m_voice[j].filtcount), j);
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}
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/* success */
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void es550x_device::device_reset()
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{
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}
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//-------------------------------------------------
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// device_stop - device-specific stop
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//-------------------------------------------------
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void es550x_device::device_stop()
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{
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/* debugging */
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if (LOG_COMMANDS && m_eslog)
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{
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fclose(m_eslog);
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m_eslog = nullptr;
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}
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#if MAKE_WAVS
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{
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int i;
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for (i = 0; i < MAX_ES5506; i++)
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{
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if (es5506[i].m_wavraw)
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wav_close(es5506[i].m_wavraw);
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}
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}
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#endif
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}
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const device_type ES5505 = &device_creator<es5505_device>;
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es5505_device::es5505_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: es550x_device(mconfig, ES5505, "ES5505", tag, owner, clock, "es5505", __FILE__)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void es5505_device::device_start()
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{
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int j;
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UINT32 accum_mask;
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int channels = 1; /* 1 channel by default, for backward compatibility */
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/* only override the number of channels if the value is in the valid range 1 .. 4 */
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if (1 <= m_channels && m_channels <= 4)
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channels = m_channels;
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/* debugging */
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if (LOG_COMMANDS && !m_eslog)
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m_eslog = fopen("es.log", "w");
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/* create the stream */
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m_stream = machine().sound().stream_alloc(*this, 0, 2 * channels, clock() / (16*32));
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/* initialize the regions */
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if (m_region0)
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{
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memory_region* region = machine().root_device().memregion(m_region0);
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m_region_base[0] = region ? reinterpret_cast<UINT16 *>(region->base()) : nullptr;
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}
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if (m_region1)
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{
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memory_region* region = machine().root_device().memregion(m_region1);
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m_region_base[1] = region ? reinterpret_cast<UINT16 *>(region->base()) : nullptr;
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}
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/* initialize the rest of the structure */
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m_master_clock = clock();
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m_irq_cb.resolve();
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m_read_port_cb.resolve();
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m_irqv = 0x80;
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m_channels = channels;
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/* compute the tables */
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compute_tables();
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/* init the voices */
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accum_mask = 0x7fffffff;
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for (j = 0; j < 32; j++)
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{
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m_voice[j].index = j;
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m_voice[j].control = CONTROL_STOPMASK;
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m_voice[j].lvol = 0xffff;
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m_voice[j].rvol = 0xffff;
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m_voice[j].exbank = 0;
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m_voice[j].accum_mask = accum_mask;
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}
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/* allocate memory */
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m_scratch = make_unique_clear<INT32[]>(2 * MAX_SAMPLE_CHUNK);
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/* register save */
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save_item(NAME(m_sample_rate));
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save_item(NAME(m_write_latch));
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save_item(NAME(m_read_latch));
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save_item(NAME(m_current_page));
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save_item(NAME(m_active_voices));
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save_item(NAME(m_mode));
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save_item(NAME(m_wst));
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save_item(NAME(m_wend));
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save_item(NAME(m_lrend));
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save_item(NAME(m_irqv));
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save_pointer(NAME(m_scratch.get()), 2 * MAX_SAMPLE_CHUNK);
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for (j = 0; j < 32; j++)
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{
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save_item(NAME(m_voice[j].control), j);
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save_item(NAME(m_voice[j].freqcount), j);
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save_item(NAME(m_voice[j].start), j);
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save_item(NAME(m_voice[j].lvol), j);
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save_item(NAME(m_voice[j].end), j);
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save_item(NAME(m_voice[j].lvramp), j);
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save_item(NAME(m_voice[j].accum), j);
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save_item(NAME(m_voice[j].rvol), j);
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save_item(NAME(m_voice[j].rvramp), j);
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save_item(NAME(m_voice[j].ecount), j);
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save_item(NAME(m_voice[j].k2), j);
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save_item(NAME(m_voice[j].k2ramp), j);
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save_item(NAME(m_voice[j].k1), j);
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save_item(NAME(m_voice[j].k1ramp), j);
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save_item(NAME(m_voice[j].o4n1), j);
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save_item(NAME(m_voice[j].o3n1), j);
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save_item(NAME(m_voice[j].o3n2), j);
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save_item(NAME(m_voice[j].o2n1), j);
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save_item(NAME(m_voice[j].o2n2), j);
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save_item(NAME(m_voice[j].o1n1), j);
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save_item(NAME(m_voice[j].exbank), j);
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save_item(NAME(m_voice[j].filtcount), j);
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}
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/* success */
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}
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/**********************************************************************************************
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update_irq_state -- update the IRQ state
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***********************************************************************************************/
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void es550x_device::update_irq_state()
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{
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/* ES5505/6 irq line has been set high - inform the host */
|
|
if (!m_irq_cb.isnull())
|
|
m_irq_cb(1); /* IRQB set high */
|
|
}
|
|
|
|
void es550x_device::update_internal_irq_state()
|
|
{
|
|
/* Host (cpu) has just read the voice interrupt vector (voice IRQ ack).
|
|
|
|
Reset the voice vector to show the IRQB line is low (top bit set).
|
|
If we have any stacked interrupts (other voices waiting to be
|
|
processed - with their IRQ bit set) then they will be moved into
|
|
the vector next time the voice is processed. In emulation
|
|
terms they get updated next time generate_samples() is called.
|
|
*/
|
|
|
|
m_irqv=0x80;
|
|
|
|
if (!m_irq_cb.isnull())
|
|
m_irq_cb(0); /* IRQB set low */
|
|
}
|
|
|
|
/**********************************************************************************************
|
|
|
|
compute_tables -- compute static tables
|
|
|
|
***********************************************************************************************/
|
|
|
|
void es550x_device::compute_tables()
|
|
{
|
|
int i;
|
|
|
|
/* allocate ulaw lookup table */
|
|
m_ulaw_lookup = make_unique_clear<INT16[]>(1 << ULAW_MAXBITS);
|
|
|
|
/* generate ulaw lookup table */
|
|
for (i = 0; i < (1 << ULAW_MAXBITS); i++)
|
|
{
|
|
UINT16 rawval = (i << (16 - ULAW_MAXBITS)) | (1 << (15 - ULAW_MAXBITS));
|
|
UINT8 exponent = rawval >> 13;
|
|
UINT32 mantissa = (rawval << 3) & 0xffff;
|
|
|
|
if (exponent == 0)
|
|
m_ulaw_lookup[i] = (INT16)mantissa >> 7;
|
|
else
|
|
{
|
|
mantissa = (mantissa >> 1) | (~mantissa & 0x8000);
|
|
m_ulaw_lookup[i] = (INT16)mantissa >> (7 - exponent);
|
|
}
|
|
}
|
|
|
|
/* allocate volume lookup table */
|
|
m_volume_lookup = make_unique_clear<UINT16[]>(4096);
|
|
|
|
/* generate volume lookup table */
|
|
for (i = 0; i < 4096; i++)
|
|
{
|
|
UINT8 exponent = i >> 8;
|
|
UINT32 mantissa = (i & 0xff) | 0x100;
|
|
|
|
m_volume_lookup[i] = (mantissa << 11) >> (20 - exponent);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
interpolate -- interpolate between two samples
|
|
|
|
***********************************************************************************************/
|
|
|
|
#define interpolate(sample1, sample2, accum) \
|
|
(sample1 * (INT32)(0x800 - (accum & 0x7ff)) + \
|
|
sample2 * (INT32)(accum & 0x7ff)) >> 11;
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
apply_filters -- apply the 4-pole digital filter to the sample
|
|
|
|
***********************************************************************************************/
|
|
|
|
#define apply_filters(voice, sample) \
|
|
do \
|
|
{ \
|
|
/* pole 1 is always low-pass using K1 */ \
|
|
sample = ((INT32)(voice->k1 >> 2) * (sample - voice->o1n1) / 16384) + voice->o1n1; \
|
|
voice->o1n1 = sample; \
|
|
\
|
|
/* pole 2 is always low-pass using K1 */ \
|
|
sample = ((INT32)(voice->k1 >> 2) * (sample - voice->o2n1) / 16384) + voice->o2n1; \
|
|
voice->o2n2 = voice->o2n1; \
|
|
voice->o2n1 = sample; \
|
|
\
|
|
/* remaining poles depend on the current filter setting */ \
|
|
switch (voice->control & CONTROL_LPMASK) \
|
|
{ \
|
|
case 0: \
|
|
/* pole 3 is high-pass using K2 */ \
|
|
sample = sample - voice->o2n2 + ((INT32)(voice->k2 >> 2) * voice->o3n1) / 32768 + voice->o3n1 / 2; \
|
|
voice->o3n2 = voice->o3n1; \
|
|
voice->o3n1 = sample; \
|
|
\
|
|
/* pole 4 is high-pass using K2 */ \
|
|
sample = sample - voice->o3n2 + ((INT32)(voice->k2 >> 2) * voice->o4n1) / 32768 + voice->o4n1 / 2; \
|
|
voice->o4n1 = sample; \
|
|
break; \
|
|
\
|
|
case CONTROL_LP3: \
|
|
/* pole 3 is low-pass using K1 */ \
|
|
sample = ((INT32)(voice->k1 >> 2) * (sample - voice->o3n1) / 16384) + voice->o3n1; \
|
|
voice->o3n2 = voice->o3n1; \
|
|
voice->o3n1 = sample; \
|
|
\
|
|
/* pole 4 is high-pass using K2 */ \
|
|
sample = sample - voice->o3n2 + ((INT32)(voice->k2 >> 2) * voice->o4n1) / 32768 + voice->o4n1 / 2; \
|
|
voice->o4n1 = sample; \
|
|
break; \
|
|
\
|
|
case CONTROL_LP4: \
|
|
/* pole 3 is low-pass using K2 */ \
|
|
sample = ((INT32)(voice->k2 >> 2) * (sample - voice->o3n1) / 16384) + voice->o3n1; \
|
|
voice->o3n2 = voice->o3n1; \
|
|
voice->o3n1 = sample; \
|
|
\
|
|
/* pole 4 is low-pass using K2 */ \
|
|
sample = ((INT32)(voice->k2 >> 2) * (sample - voice->o4n1) / 16384) + voice->o4n1; \
|
|
voice->o4n1 = sample; \
|
|
break; \
|
|
\
|
|
case CONTROL_LP4 | CONTROL_LP3: \
|
|
/* pole 3 is low-pass using K1 */ \
|
|
sample = ((INT32)(voice->k1 >> 2) * (sample - voice->o3n1) / 16384) + voice->o3n1; \
|
|
voice->o3n2 = voice->o3n1; \
|
|
voice->o3n1 = sample; \
|
|
\
|
|
/* pole 4 is low-pass using K2 */ \
|
|
sample = ((INT32)(voice->k2 >> 2) * (sample - voice->o4n1) / 16384) + voice->o4n1; \
|
|
voice->o4n1 = sample; \
|
|
break; \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
update_envelopes -- update the envelopes
|
|
|
|
***********************************************************************************************/
|
|
|
|
#define update_envelopes(voice, samples) \
|
|
do \
|
|
{ \
|
|
int count = (samples > 1 && samples > voice->ecount) ? voice->ecount : samples; \
|
|
\
|
|
/* decrement the envelope counter */ \
|
|
voice->ecount -= count; \
|
|
\
|
|
/* ramp left volume */ \
|
|
if (voice->lvramp) \
|
|
{ \
|
|
voice->lvol += (INT8)voice->lvramp * count; \
|
|
if ((INT32)voice->lvol < 0) voice->lvol = 0; \
|
|
else if (voice->lvol > 0xffff) voice->lvol = 0xffff; \
|
|
} \
|
|
\
|
|
/* ramp right volume */ \
|
|
if (voice->rvramp) \
|
|
{ \
|
|
voice->rvol += (INT8)voice->rvramp * count; \
|
|
if ((INT32)voice->rvol < 0) voice->rvol = 0; \
|
|
else if (voice->rvol > 0xffff) voice->rvol = 0xffff; \
|
|
} \
|
|
\
|
|
/* ramp k1 filter constant */ \
|
|
if (voice->k1ramp && ((INT32)voice->k1ramp >= 0 || !(voice->filtcount & 7))) \
|
|
{ \
|
|
voice->k1 += (INT8)voice->k1ramp * count; \
|
|
if ((INT32)voice->k1 < 0) voice->k1 = 0; \
|
|
else if (voice->k1 > 0xffff) voice->k1 = 0xffff; \
|
|
} \
|
|
\
|
|
/* ramp k2 filter constant */ \
|
|
if (voice->k2ramp && ((INT32)voice->k2ramp >= 0 || !(voice->filtcount & 7))) \
|
|
{ \
|
|
voice->k2 += (INT8)voice->k2ramp * count; \
|
|
if ((INT32)voice->k2 < 0) voice->k2 = 0; \
|
|
else if (voice->k2 > 0xffff) voice->k2 = 0xffff; \
|
|
} \
|
|
\
|
|
/* update the filter constant counter */ \
|
|
voice->filtcount += count; \
|
|
\
|
|
} while (0)
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
check_for_end_forward
|
|
check_for_end_reverse -- check for loop end and loop appropriately
|
|
|
|
***********************************************************************************************/
|
|
|
|
#define check_for_end_forward(voice, accum) \
|
|
do \
|
|
{ \
|
|
/* are we past the end? */ \
|
|
if (accum > voice->end && !(voice->control & CONTROL_LEI)) \
|
|
{ \
|
|
/* generate interrupt if required */ \
|
|
if (voice->control&CONTROL_IRQE) \
|
|
voice->control |= CONTROL_IRQ; \
|
|
\
|
|
/* handle the different types of looping */ \
|
|
switch (voice->control & CONTROL_LOOPMASK) \
|
|
{ \
|
|
/* non-looping */ \
|
|
case 0: \
|
|
voice->control |= CONTROL_STOP0; \
|
|
goto alldone; \
|
|
\
|
|
/* uni-directional looping */ \
|
|
case CONTROL_LPE: \
|
|
accum = (voice->start + (accum - voice->end)) & voice->accum_mask; \
|
|
break; \
|
|
\
|
|
/* trans-wave looping */ \
|
|
case CONTROL_BLE: \
|
|
accum = (voice->start + (accum - voice->end)) & voice->accum_mask; \
|
|
voice->control = (voice->control & ~CONTROL_LOOPMASK) | CONTROL_LEI;\
|
|
break; \
|
|
\
|
|
/* bi-directional looping */ \
|
|
case CONTROL_LPE | CONTROL_BLE: \
|
|
accum = (voice->end - (accum - voice->end)) & voice->accum_mask; \
|
|
voice->control ^= CONTROL_DIR; \
|
|
goto reverse; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
#define check_for_end_reverse(voice, accum) \
|
|
do \
|
|
{ \
|
|
/* are we past the end? */ \
|
|
if (accum < voice->start && !(voice->control & CONTROL_LEI)) \
|
|
{ \
|
|
/* generate interrupt if required */ \
|
|
if (voice->control&CONTROL_IRQE) \
|
|
voice->control |= CONTROL_IRQ; \
|
|
\
|
|
/* handle the different types of looping */ \
|
|
switch (voice->control & CONTROL_LOOPMASK) \
|
|
{ \
|
|
/* non-looping */ \
|
|
case 0: \
|
|
voice->control |= CONTROL_STOP0; \
|
|
goto alldone; \
|
|
\
|
|
/* uni-directional looping */ \
|
|
case CONTROL_LPE: \
|
|
accum = (voice->end - (voice->start - accum)) & voice->accum_mask; \
|
|
break; \
|
|
\
|
|
/* trans-wave looping */ \
|
|
case CONTROL_BLE: \
|
|
accum = (voice->end - (voice->start - accum)) & voice->accum_mask; \
|
|
voice->control = (voice->control & ~CONTROL_LOOPMASK) | CONTROL_LEI;\
|
|
break; \
|
|
\
|
|
/* bi-directional looping */ \
|
|
case CONTROL_LPE | CONTROL_BLE: \
|
|
accum = (voice->start + (voice->start - accum)) & voice->accum_mask;\
|
|
voice->control ^= CONTROL_DIR; \
|
|
goto reverse; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
generate_dummy -- generate nothing, just apply envelopes
|
|
|
|
***********************************************************************************************/
|
|
|
|
void es550x_device::generate_dummy(es550x_voice *voice, UINT16 *base, INT32 *lbuffer, INT32 *rbuffer, int samples)
|
|
{
|
|
UINT32 freqcount = voice->freqcount;
|
|
UINT32 accum = voice->accum & voice->accum_mask;
|
|
|
|
/* outer loop, in case we switch directions */
|
|
while (samples > 0 && !(voice->control & CONTROL_STOPMASK))
|
|
{
|
|
reverse:
|
|
/* two cases: first case is forward direction */
|
|
if (!(voice->control & CONTROL_DIR))
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
accum = (accum + freqcount) & voice->accum_mask;
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
update_envelopes(voice, 1);
|
|
|
|
/* check for loop end */
|
|
check_for_end_forward(voice, accum);
|
|
}
|
|
}
|
|
|
|
/* two cases: second case is backward direction */
|
|
else
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
accum = (accum - freqcount) & voice->accum_mask;
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
update_envelopes(voice, 1);
|
|
|
|
/* check for loop end */
|
|
check_for_end_reverse(voice, accum);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* if we stopped, process any additional envelope */
|
|
alldone:
|
|
voice->accum = accum;
|
|
if (samples > 0)
|
|
update_envelopes(voice, samples);
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
generate_ulaw -- general u-law decoding routine
|
|
|
|
***********************************************************************************************/
|
|
|
|
void es550x_device::generate_ulaw(es550x_voice *voice, UINT16 *base, INT32 *lbuffer, INT32 *rbuffer, int samples)
|
|
{
|
|
UINT32 freqcount = voice->freqcount;
|
|
UINT32 accum = voice->accum & voice->accum_mask;
|
|
INT32 lvol = m_volume_lookup[voice->lvol >> 4];
|
|
INT32 rvol = m_volume_lookup[voice->rvol >> 4];
|
|
|
|
/* pre-add the bank offset */
|
|
base += voice->exbank;
|
|
|
|
/* outer loop, in case we switch directions */
|
|
while (samples > 0 && !(voice->control & CONTROL_STOPMASK))
|
|
{
|
|
reverse:
|
|
/* two cases: first case is forward direction */
|
|
if (!(voice->control & CONTROL_DIR))
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
INT32 val1 = base[accum >> 11];
|
|
INT32 val2 = base[((accum + (1 << 11)) & voice->accum_mask) >> 11];
|
|
|
|
/* decompress u-law */
|
|
val1 = m_ulaw_lookup[val1 >> (16 - ULAW_MAXBITS)];
|
|
val2 = m_ulaw_lookup[val2 >> (16 - ULAW_MAXBITS)];
|
|
|
|
/* interpolate */
|
|
val1 = interpolate(val1, val2, accum);
|
|
accum = (accum + freqcount) & voice->accum_mask;
|
|
|
|
/* apply filters */
|
|
apply_filters(voice, val1);
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
{
|
|
update_envelopes(voice, 1);
|
|
lvol = m_volume_lookup[voice->lvol >> 4];
|
|
rvol = m_volume_lookup[voice->rvol >> 4];
|
|
}
|
|
|
|
/* apply volumes and add */
|
|
*lbuffer++ += (val1 * lvol) >> 11;
|
|
*rbuffer++ += (val1 * rvol) >> 11;
|
|
|
|
/* check for loop end */
|
|
check_for_end_forward(voice, accum);
|
|
}
|
|
}
|
|
|
|
/* two cases: second case is backward direction */
|
|
else
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
INT32 val1 = base[accum >> 11];
|
|
INT32 val2 = base[((accum + (1 << 11)) & voice->accum_mask) >> 11];
|
|
|
|
/* decompress u-law */
|
|
val1 = m_ulaw_lookup[val1 >> (16 - ULAW_MAXBITS)];
|
|
val2 = m_ulaw_lookup[val2 >> (16 - ULAW_MAXBITS)];
|
|
|
|
/* interpolate */
|
|
val1 = interpolate(val1, val2, accum);
|
|
accum = (accum - freqcount) & voice->accum_mask;
|
|
|
|
/* apply filters */
|
|
apply_filters(voice, val1);
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
{
|
|
update_envelopes(voice, 1);
|
|
lvol = m_volume_lookup[voice->lvol >> 4];
|
|
rvol = m_volume_lookup[voice->rvol >> 4];
|
|
}
|
|
|
|
/* apply volumes and add */
|
|
*lbuffer++ += (val1 * lvol) >> 11;
|
|
*rbuffer++ += (val1 * rvol) >> 11;
|
|
|
|
/* check for loop end */
|
|
check_for_end_reverse(voice, accum);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* if we stopped, process any additional envelope */
|
|
alldone:
|
|
voice->accum = accum;
|
|
if (samples > 0)
|
|
update_envelopes(voice, samples);
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
generate_pcm -- general PCM decoding routine
|
|
|
|
***********************************************************************************************/
|
|
|
|
void es550x_device::generate_pcm(es550x_voice *voice, UINT16 *base, INT32 *lbuffer, INT32 *rbuffer, int samples)
|
|
{
|
|
UINT32 freqcount = voice->freqcount;
|
|
UINT32 accum = voice->accum & voice->accum_mask;
|
|
INT32 lvol = m_volume_lookup[voice->lvol >> 4];
|
|
INT32 rvol = m_volume_lookup[voice->rvol >> 4];
|
|
|
|
/* pre-add the bank offset */
|
|
base += voice->exbank;
|
|
|
|
/* outer loop, in case we switch directions */
|
|
while (samples > 0 && !(voice->control & CONTROL_STOPMASK))
|
|
{
|
|
reverse:
|
|
/* two cases: first case is forward direction */
|
|
if (!(voice->control & CONTROL_DIR))
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
INT32 val1 = (INT16)base[accum >> 11];
|
|
INT32 val2 = (INT16)base[((accum + (1 << 11)) & voice->accum_mask) >> 11];
|
|
|
|
/* interpolate */
|
|
val1 = interpolate(val1, val2, accum);
|
|
accum = (accum + freqcount) & voice->accum_mask;
|
|
|
|
/* apply filters */
|
|
apply_filters(voice, val1);
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
{
|
|
update_envelopes(voice, 1);
|
|
lvol = m_volume_lookup[voice->lvol >> 4];
|
|
rvol = m_volume_lookup[voice->rvol >> 4];
|
|
}
|
|
|
|
/* apply volumes and add */
|
|
*lbuffer++ += (val1 * lvol) >> 11;
|
|
*rbuffer++ += (val1 * rvol) >> 11;
|
|
|
|
/* check for loop end */
|
|
check_for_end_forward(voice, accum);
|
|
}
|
|
}
|
|
|
|
/* two cases: second case is backward direction */
|
|
else
|
|
{
|
|
/* loop while we still have samples to generate */
|
|
while (samples--)
|
|
{
|
|
/* fetch two samples */
|
|
INT32 val1 = (INT16)base[accum >> 11];
|
|
INT32 val2 = (INT16)base[((accum + (1 << 11)) & voice->accum_mask) >> 11];
|
|
|
|
/* interpolate */
|
|
val1 = interpolate(val1, val2, accum);
|
|
accum = (accum - freqcount) & voice->accum_mask;
|
|
|
|
/* apply filters */
|
|
apply_filters(voice, val1);
|
|
|
|
/* update filters/volumes */
|
|
if (voice->ecount != 0)
|
|
{
|
|
update_envelopes(voice, 1);
|
|
lvol = m_volume_lookup[voice->lvol >> 4];
|
|
rvol = m_volume_lookup[voice->rvol >> 4];
|
|
}
|
|
|
|
/* apply volumes and add */
|
|
*lbuffer++ += (val1 * lvol) >> 11;
|
|
*rbuffer++ += (val1 * rvol) >> 11;
|
|
|
|
/* check for loop end */
|
|
check_for_end_reverse(voice, accum);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* if we stopped, process any additional envelope */
|
|
alldone:
|
|
voice->accum = accum;
|
|
if (samples > 0)
|
|
update_envelopes(voice, samples);
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
generate_samples -- tell each voice to generate samples
|
|
|
|
***********************************************************************************************/
|
|
|
|
void es5506_device::generate_samples(INT32 **outputs, int offset, int samples)
|
|
{
|
|
int v;
|
|
|
|
/* skip if nothing to do */
|
|
if (!samples)
|
|
return;
|
|
|
|
/* clear out the accumulators */
|
|
for (int i = 0; i < m_channels << 1; i++)
|
|
{
|
|
memset(outputs[i] + offset, 0, sizeof(INT32) * samples);
|
|
}
|
|
|
|
/* loop over voices */
|
|
for (v = 0; v <= m_active_voices; v++)
|
|
{
|
|
es550x_voice *voice = &m_voice[v];
|
|
UINT16 *base = m_region_base[voice->control >> 14];
|
|
|
|
/* special case: if end == start, stop the voice */
|
|
if (voice->start == voice->end)
|
|
voice->control |= CONTROL_STOP0;
|
|
|
|
int voice_channel = (voice->control & CONTROL_CAMASK) >> 10;
|
|
int channel = voice_channel % m_channels;
|
|
int l = channel << 1;
|
|
int r = l + 1;
|
|
INT32 *left = outputs[l] + offset;
|
|
INT32 *right = outputs[r] + offset;
|
|
|
|
/* generate from the appropriate source */
|
|
if (!base)
|
|
{
|
|
logerror("es5506: nullptr region base %d\n",voice->control >> 14);
|
|
generate_dummy(voice, base, left, right, samples);
|
|
}
|
|
else if (voice->control & 0x2000)
|
|
generate_ulaw(voice, base, left, right, samples);
|
|
else
|
|
generate_pcm(voice, base, left, right, samples);
|
|
|
|
/* does this voice have it's IRQ bit raised? */
|
|
if (voice->control&CONTROL_IRQ)
|
|
{
|
|
logerror("es5506: IRQ raised on voice %d!!\n",v);
|
|
|
|
/* only update voice vector if existing IRQ is acked by host */
|
|
if (m_irqv&0x80)
|
|
{
|
|
/* latch voice number into vector, and set high bit low */
|
|
m_irqv=v&0x7f;
|
|
|
|
/* take down IRQ bit on voice */
|
|
voice->control&=~CONTROL_IRQ;
|
|
|
|
/* inform host of irq */
|
|
update_irq_state();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void es5505_device::generate_samples(INT32 **outputs, int offset, int samples)
|
|
{
|
|
int v;
|
|
|
|
/* skip if nothing to do */
|
|
if (!samples)
|
|
return;
|
|
|
|
/* clear out the accumulators */
|
|
for (int i = 0; i < m_channels << 1; i++)
|
|
{
|
|
memset(outputs[i] + offset, 0, sizeof(INT32) * samples);
|
|
}
|
|
|
|
/* loop over voices */
|
|
for (v = 0; v <= m_active_voices; v++)
|
|
{
|
|
es550x_voice *voice = &m_voice[v];
|
|
UINT16 *base = m_region_base[voice->control >> 14];
|
|
|
|
/* special case: if end == start, stop the voice */
|
|
if (voice->start == voice->end)
|
|
voice->control |= CONTROL_STOP0;
|
|
|
|
int voice_channel = (voice->control & CONTROL_CAMASK) >> 10;
|
|
int channel = voice_channel % m_channels;
|
|
int l = channel << 1;
|
|
int r = l + 1;
|
|
INT32 *left = outputs[l] + offset;
|
|
INT32 *right = outputs[r] + offset;
|
|
|
|
/* generate from the appropriate source */
|
|
if (!base)
|
|
{
|
|
logerror("es5506: nullptr region base %d\n",voice->control >> 14);
|
|
generate_dummy(voice, base, left, right, samples);
|
|
}
|
|
else if (voice->control & 0x2000)
|
|
generate_ulaw(voice, base, left, right, samples);
|
|
else
|
|
generate_pcm(voice, base, left, right, samples);
|
|
|
|
/* does this voice have it's IRQ bit raised? */
|
|
if (voice->control&CONTROL_IRQ)
|
|
{
|
|
logerror("es5506: IRQ raised on voice %d!!\n",v);
|
|
|
|
/* only update voice vector if existing IRQ is acked by host */
|
|
if (m_irqv&0x80)
|
|
{
|
|
/* latch voice number into vector, and set high bit low */
|
|
m_irqv=v&0x7f;
|
|
|
|
/* take down IRQ bit on voice */
|
|
voice->control&=~CONTROL_IRQ;
|
|
|
|
/* inform host of irq */
|
|
update_irq_state();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
reg_write -- handle a write to the selected ES5506 register
|
|
|
|
***********************************************************************************************/
|
|
|
|
inline void es5506_device::reg_write_low(es550x_voice *voice, offs_t offset, UINT32 data)
|
|
{
|
|
switch (offset)
|
|
{
|
|
case 0x00/8: /* CR */
|
|
voice->control = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, control=%04x\n", m_current_page & 0x1f, voice->control);
|
|
break;
|
|
|
|
case 0x08/8: /* FC */
|
|
voice->freqcount = data & 0x1ffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, freq count=%08x\n", m_current_page & 0x1f, voice->freqcount);
|
|
break;
|
|
|
|
case 0x10/8: /* LVOL */
|
|
voice->lvol = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, left vol=%04x\n", m_current_page & 0x1f, voice->lvol);
|
|
break;
|
|
|
|
case 0x18/8: /* LVRAMP */
|
|
voice->lvramp = (data & 0xff00) >> 8;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, left vol ramp=%04x\n", m_current_page & 0x1f, voice->lvramp);
|
|
break;
|
|
|
|
case 0x20/8: /* RVOL */
|
|
voice->rvol = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, right vol=%04x\n", m_current_page & 0x1f, voice->rvol);
|
|
break;
|
|
|
|
case 0x28/8: /* RVRAMP */
|
|
voice->rvramp = (data & 0xff00) >> 8;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, right vol ramp=%04x\n", m_current_page & 0x1f, voice->rvramp);
|
|
break;
|
|
|
|
case 0x30/8: /* ECOUNT */
|
|
voice->ecount = data & 0x1ff;
|
|
voice->filtcount = 0;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, envelope count=%04x\n", m_current_page & 0x1f, voice->ecount);
|
|
break;
|
|
|
|
case 0x38/8: /* K2 */
|
|
voice->k2 = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, K2=%04x\n", m_current_page & 0x1f, voice->k2);
|
|
break;
|
|
|
|
case 0x40/8: /* K2RAMP */
|
|
voice->k2ramp = ((data & 0xff00) >> 8) | ((data & 0x0001) << 31);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, K2 ramp=%04x\n", m_current_page & 0x1f, voice->k2ramp);
|
|
break;
|
|
|
|
case 0x48/8: /* K1 */
|
|
voice->k1 = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, K1=%04x\n", m_current_page & 0x1f, voice->k1);
|
|
break;
|
|
|
|
case 0x50/8: /* K1RAMP */
|
|
voice->k1ramp = ((data & 0xff00) >> 8) | ((data & 0x0001) << 31);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, K1 ramp=%04x\n", m_current_page & 0x1f, voice->k1ramp);
|
|
break;
|
|
|
|
case 0x58/8: /* ACTV */
|
|
{
|
|
m_active_voices = data & 0x1f;
|
|
m_sample_rate = m_master_clock / (16 * (m_active_voices + 1));
|
|
m_stream->set_sample_rate(m_sample_rate);
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "active voices=%d, sample_rate=%d\n", m_active_voices, m_sample_rate);
|
|
break;
|
|
}
|
|
|
|
case 0x60/8: /* MODE */
|
|
m_mode = data & 0x1f;
|
|
break;
|
|
|
|
case 0x68/8: /* PAR - read only */
|
|
case 0x70/8: /* IRQV - read only */
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
m_current_page = data & 0x7f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void es5506_device::reg_write_high(es550x_voice *voice, offs_t offset, UINT32 data)
|
|
{
|
|
switch (offset)
|
|
{
|
|
case 0x00/8: /* CR */
|
|
voice->control = data & 0xffff;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, control=%04x\n", m_current_page & 0x1f, voice->control);
|
|
break;
|
|
|
|
case 0x08/8: /* START */
|
|
voice->start = data & 0xfffff800;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, loop start=%08x\n", m_current_page & 0x1f, voice->start);
|
|
break;
|
|
|
|
case 0x10/8: /* END */
|
|
voice->end = data & 0xffffff80;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, loop end=%08x\n", m_current_page & 0x1f, voice->end);
|
|
break;
|
|
|
|
case 0x18/8: /* ACCUM */
|
|
voice->accum = data;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, accum=%08x\n", m_current_page & 0x1f, voice->accum);
|
|
break;
|
|
|
|
case 0x20/8: /* O4(n-1) */
|
|
voice->o4n1 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O4(n-1)=%05x\n", m_current_page & 0x1f, voice->o4n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x28/8: /* O3(n-1) */
|
|
voice->o3n1 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O3(n-1)=%05x\n", m_current_page & 0x1f, voice->o3n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x30/8: /* O3(n-2) */
|
|
voice->o3n2 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O3(n-2)=%05x\n", m_current_page & 0x1f, voice->o3n2 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x38/8: /* O2(n-1) */
|
|
voice->o2n1 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O2(n-1)=%05x\n", m_current_page & 0x1f, voice->o2n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x40/8: /* O2(n-2) */
|
|
voice->o2n2 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O2(n-2)=%05x\n", m_current_page & 0x1f, voice->o2n2 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x48/8: /* O1(n-1) */
|
|
voice->o1n1 = (INT32)(data << 14) >> 14;
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "voice %d, O1(n-1)=%05x\n", m_current_page & 0x1f, voice->o1n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x50/8: /* W_ST */
|
|
m_wst = data & 0x7f;
|
|
break;
|
|
|
|
case 0x58/8: /* W_END */
|
|
m_wend = data & 0x7f;
|
|
break;
|
|
|
|
case 0x60/8: /* LR_END */
|
|
m_lrend = data & 0x7f;
|
|
break;
|
|
|
|
case 0x68/8: /* PAR - read only */
|
|
case 0x70/8: /* IRQV - read only */
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
m_current_page = data & 0x7f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void es5506_device::reg_write_test(es550x_voice *voice, offs_t offset, UINT32 data)
|
|
{
|
|
switch (offset)
|
|
{
|
|
case 0x00/8: /* CHANNEL 0 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 0 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x08/8: /* CHANNEL 0 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 0 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x10/8: /* CHANNEL 1 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 1 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x18/8: /* CHANNEL 1 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 1 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x20/8: /* CHANNEL 2 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 2 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x28/8: /* CHANNEL 2 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 2 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x30/8: /* CHANNEL 3 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 3 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x38/8: /* CHANNEL 3 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 3 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x40/8: /* CHANNEL 4 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 4 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x48/8: /* CHANNEL 4 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 4 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x50/8: /* CHANNEL 5 LEFT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 5 left test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x58/8: /* CHANNEL 6 RIGHT */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Channel 5 right test write %08x\n", data);
|
|
break;
|
|
|
|
case 0x60/8: /* EMPTY */
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "Test write EMPTY %08x\n", data);
|
|
break;
|
|
|
|
case 0x68/8: /* PAR - read only */
|
|
case 0x70/8: /* IRQV - read only */
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
m_current_page = data & 0x7f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
WRITE8_MEMBER( es5506_device::write )
|
|
{
|
|
es550x_voice *voice = &m_voice[m_current_page & 0x1f];
|
|
int shift = 8 * (offset & 3);
|
|
|
|
/* accumulate the data */
|
|
m_write_latch = (m_write_latch & ~(0xff000000 >> shift)) | (data << (24 - shift));
|
|
|
|
/* wait for a write to complete */
|
|
if (shift != 24)
|
|
return;
|
|
|
|
/* force an update */
|
|
m_stream->update();
|
|
|
|
/* switch off the page and register */
|
|
if (m_current_page < 0x20)
|
|
reg_write_low(voice, offset / 4, m_write_latch);
|
|
else if (m_current_page < 0x40)
|
|
reg_write_high(voice, offset / 4, m_write_latch);
|
|
else
|
|
reg_write_test(voice, offset / 4, m_write_latch);
|
|
|
|
/* clear the write latch when done */
|
|
m_write_latch = 0;
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
reg_read -- read from the specified ES5506 register
|
|
|
|
***********************************************************************************************/
|
|
|
|
inline UINT32 es5506_device::reg_read_low(es550x_voice *voice, offs_t offset)
|
|
{
|
|
UINT32 result = 0;
|
|
|
|
switch (offset)
|
|
{
|
|
case 0x00/8: /* CR */
|
|
result = voice->control;
|
|
break;
|
|
|
|
case 0x08/8: /* FC */
|
|
result = voice->freqcount;
|
|
break;
|
|
|
|
case 0x10/8: /* LVOL */
|
|
result = voice->lvol;
|
|
break;
|
|
|
|
case 0x18/8: /* LVRAMP */
|
|
result = voice->lvramp << 8;
|
|
break;
|
|
|
|
case 0x20/8: /* RVOL */
|
|
result = voice->rvol;
|
|
break;
|
|
|
|
case 0x28/8: /* RVRAMP */
|
|
result = voice->rvramp << 8;
|
|
break;
|
|
|
|
case 0x30/8: /* ECOUNT */
|
|
result = voice->ecount;
|
|
break;
|
|
|
|
case 0x38/8: /* K2 */
|
|
result = voice->k2;
|
|
break;
|
|
|
|
case 0x40/8: /* K2RAMP */
|
|
result = (voice->k2ramp << 8) | (voice->k2ramp >> 31);
|
|
break;
|
|
|
|
case 0x48/8: /* K1 */
|
|
result = voice->k1;
|
|
break;
|
|
|
|
case 0x50/8: /* K1RAMP */
|
|
result = (voice->k1ramp << 8) | (voice->k1ramp >> 31);
|
|
break;
|
|
|
|
case 0x58/8: /* ACTV */
|
|
result = m_active_voices;
|
|
break;
|
|
|
|
case 0x60/8: /* MODE */
|
|
result = m_mode;
|
|
break;
|
|
|
|
case 0x68/8: /* PAR */
|
|
if (!m_read_port_cb.isnull())
|
|
result = m_read_port_cb(0);
|
|
break;
|
|
|
|
case 0x70/8: /* IRQV */
|
|
result = m_irqv;
|
|
update_internal_irq_state();
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
result = m_current_page;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
inline UINT32 es5506_device::reg_read_high(es550x_voice *voice, offs_t offset)
|
|
{
|
|
UINT32 result = 0;
|
|
|
|
switch (offset)
|
|
{
|
|
case 0x00/8: /* CR */
|
|
result = voice->control;
|
|
break;
|
|
|
|
case 0x08/8: /* START */
|
|
result = voice->start;
|
|
break;
|
|
|
|
case 0x10/8: /* END */
|
|
result = voice->end;
|
|
break;
|
|
|
|
case 0x18/8: /* ACCUM */
|
|
result = voice->accum;
|
|
break;
|
|
|
|
case 0x20/8: /* O4(n-1) */
|
|
result = voice->o4n1 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x28/8: /* O3(n-1) */
|
|
result = voice->o3n1 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x30/8: /* O3(n-2) */
|
|
result = voice->o3n2 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x38/8: /* O2(n-1) */
|
|
result = voice->o2n1 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x40/8: /* O2(n-2) */
|
|
result = voice->o2n2 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x48/8: /* O1(n-1) */
|
|
result = voice->o1n1 & 0x3ffff;
|
|
break;
|
|
|
|
case 0x50/8: /* W_ST */
|
|
result = m_wst;
|
|
break;
|
|
|
|
case 0x58/8: /* W_END */
|
|
result = m_wend;
|
|
break;
|
|
|
|
case 0x60/8: /* LR_END */
|
|
result = m_lrend;
|
|
break;
|
|
|
|
case 0x68/8: /* PAR */
|
|
if (!m_read_port_cb.isnull())
|
|
result = m_read_port_cb(0);
|
|
break;
|
|
|
|
case 0x70/8: /* IRQV */
|
|
result = m_irqv;
|
|
update_internal_irq_state();
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
result = m_current_page;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
inline UINT32 es5506_device::reg_read_test(es550x_voice *voice, offs_t offset)
|
|
{
|
|
UINT32 result = 0;
|
|
|
|
switch (offset)
|
|
{
|
|
case 0x68/8: /* PAR */
|
|
if (!m_read_port_cb.isnull())
|
|
result = m_read_port_cb(0);
|
|
break;
|
|
|
|
case 0x70/8: /* IRQV */
|
|
result = m_irqv;
|
|
break;
|
|
|
|
case 0x78/8: /* PAGE */
|
|
result = m_current_page;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
READ8_MEMBER( es5506_device::read )
|
|
{
|
|
es550x_voice *voice = &m_voice[m_current_page & 0x1f];
|
|
int shift = 8 * (offset & 3);
|
|
|
|
/* only read on offset 0 */
|
|
if (shift != 0)
|
|
return m_read_latch >> (24 - shift);
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "read from %02x/%02x -> ", m_current_page, offset / 4 * 8);
|
|
|
|
/* force an update */
|
|
m_stream->update();
|
|
|
|
/* switch off the page and register */
|
|
if (m_current_page < 0x20)
|
|
m_read_latch = reg_read_low(voice, offset / 4);
|
|
else if (m_current_page < 0x40)
|
|
m_read_latch = reg_read_high(voice, offset / 4);
|
|
else
|
|
m_read_latch = reg_read_test(voice, offset / 4);
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%08x\n", m_read_latch);
|
|
|
|
/* return the high byte */
|
|
return m_read_latch >> 24;
|
|
}
|
|
|
|
|
|
|
|
void es5506_device::voice_bank_w(int voice, int bank)
|
|
{
|
|
m_voice[voice].exbank=bank;
|
|
}
|
|
|
|
|
|
/**********************************************************************************************
|
|
|
|
reg_write -- handle a write to the selected ES5505 register
|
|
|
|
***********************************************************************************************/
|
|
|
|
inline void es5505_device::reg_write_low(es550x_voice *voice, offs_t offset, UINT16 data, UINT16 mem_mask)
|
|
{
|
|
switch (offset)
|
|
{
|
|
case 0x00: /* CR */
|
|
if (ACCESSING_BITS_0_7)
|
|
{
|
|
#if RAINE_CHECK
|
|
voice->control &= ~(CONTROL_STOPMASK | CONTROL_LOOPMASK | CONTROL_DIR);
|
|
#else
|
|
voice->control &= ~(CONTROL_STOPMASK | CONTROL_BS0 | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ);
|
|
#endif
|
|
voice->control |= (data & (CONTROL_STOPMASK | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ)) |
|
|
((data << 12) & CONTROL_BS0);
|
|
}
|
|
if (ACCESSING_BITS_8_15)
|
|
{
|
|
voice->control &= ~(CONTROL_CA0 | CONTROL_CA1 | CONTROL_LPMASK);
|
|
voice->control |= ((data >> 2) & CONTROL_LPMASK) |
|
|
((data << 2) & (CONTROL_CA0 | CONTROL_CA1));
|
|
}
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, control=%04x (raw=%04x & %04x)\n", machine().describe_context(), m_current_page & 0x1f, voice->control, data, mem_mask ^ 0xffff);
|
|
break;
|
|
|
|
case 0x01: /* FC */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->freqcount = (voice->freqcount & ~0x001fe) | ((data & 0x00ff) << 1);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->freqcount = (voice->freqcount & ~0x1fe00) | ((data & 0xff00) << 1);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, freq count=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->freqcount);
|
|
break;
|
|
|
|
case 0x02: /* STRT (hi) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->start = (voice->start & ~0x03fc0000) | ((data & 0x00ff) << 18);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->start = (voice->start & ~0x7c000000) | ((data & 0x1f00) << 18);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, loop start=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->start);
|
|
break;
|
|
|
|
case 0x03: /* STRT (lo) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->start = (voice->start & ~0x00000380) | ((data & 0x00e0) << 2);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->start = (voice->start & ~0x0003fc00) | ((data & 0xff00) << 2);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, loop start=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->start);
|
|
break;
|
|
|
|
case 0x04: /* END (hi) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->end = (voice->end & ~0x03fc0000) | ((data & 0x00ff) << 18);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->end = (voice->end & ~0x7c000000) | ((data & 0x1f00) << 18);
|
|
#if RAINE_CHECK
|
|
voice->control |= CONTROL_STOP0;
|
|
#endif
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, loop end=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->end);
|
|
break;
|
|
|
|
case 0x05: /* END (lo) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->end = (voice->end & ~0x00000380) | ((data & 0x00e0) << 2);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->end = (voice->end & ~0x0003fc00) | ((data & 0xff00) << 2);
|
|
#if RAINE_CHECK
|
|
voice->control |= CONTROL_STOP0;
|
|
#endif
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, loop end=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->end);
|
|
break;
|
|
|
|
case 0x06: /* K2 */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->k2 = (voice->k2 & ~0x00f0) | (data & 0x00f0);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->k2 = (voice->k2 & ~0xff00) | (data & 0xff00);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, K2=%04x\n", machine().describe_context(), m_current_page & 0x1f, voice->k2);
|
|
break;
|
|
|
|
case 0x07: /* K1 */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->k1 = (voice->k1 & ~0x00f0) | (data & 0x00f0);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->k1 = (voice->k1 & ~0xff00) | (data & 0xff00);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, K1=%04x\n", machine().describe_context(), m_current_page & 0x1f, voice->k1);
|
|
break;
|
|
|
|
case 0x08: /* LVOL */
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->lvol = (voice->lvol & ~0xff00) | (data & 0xff00);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, left vol=%04x\n", machine().describe_context(), m_current_page & 0x1f, voice->lvol);
|
|
break;
|
|
|
|
case 0x09: /* RVOL */
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->rvol = (voice->rvol & ~0xff00) | (data & 0xff00);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, right vol=%04x\n", machine().describe_context(), m_current_page & 0x1f, voice->rvol);
|
|
break;
|
|
|
|
case 0x0a: /* ACC (hi) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->accum = (voice->accum & ~0x03fc0000) | ((data & 0x00ff) << 18);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->accum = (voice->accum & ~0x7c000000) | ((data & 0x1f00) << 18);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, accum=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->accum);
|
|
break;
|
|
|
|
case 0x0b: /* ACC (lo) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->accum = (voice->accum & ~0x000003fc) | ((data & 0x00ff) << 2);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->accum = (voice->accum & ~0x0003fc00) | ((data & 0xff00) << 2);
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, accum=%08x\n", machine().describe_context(), m_current_page & 0x1f, voice->accum);
|
|
break;
|
|
|
|
case 0x0c: /* unused */
|
|
break;
|
|
|
|
case 0x0d: /* ACT */
|
|
if (ACCESSING_BITS_0_7)
|
|
{
|
|
m_active_voices = data & 0x1f;
|
|
m_sample_rate = m_master_clock / (16 * (m_active_voices + 1));
|
|
m_stream->set_sample_rate(m_sample_rate);
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "active voices=%d, sample_rate=%d\n", m_active_voices, m_sample_rate);
|
|
}
|
|
break;
|
|
|
|
case 0x0e: /* IRQV - read only */
|
|
break;
|
|
|
|
case 0x0f: /* PAGE */
|
|
if (ACCESSING_BITS_0_7)
|
|
m_current_page = data & 0x7f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
inline void es5505_device::reg_write_high(es550x_voice *voice, offs_t offset, UINT16 data, UINT16 mem_mask)
|
|
{
|
|
switch (offset)
|
|
{
|
|
case 0x00: /* CR */
|
|
if (ACCESSING_BITS_0_7)
|
|
{
|
|
voice->control &= ~(CONTROL_STOPMASK | CONTROL_BS0 | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ);
|
|
voice->control |= (data & (CONTROL_STOPMASK | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ)) |
|
|
((data << 12) & CONTROL_BS0);
|
|
}
|
|
if (ACCESSING_BITS_8_15)
|
|
{
|
|
voice->control &= ~(CONTROL_CA0 | CONTROL_CA1 | CONTROL_LPMASK);
|
|
voice->control |= ((data >> 2) & CONTROL_LPMASK) |
|
|
((data << 2) & (CONTROL_CA0 | CONTROL_CA1));
|
|
}
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, control=%04x (raw=%04x & %04x)\n", machine().describe_context(), m_current_page & 0x1f, voice->control, data, mem_mask);
|
|
break;
|
|
|
|
case 0x01: /* O4(n-1) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o4n1 = (voice->o4n1 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o4n1 = (INT16)((voice->o4n1 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O4(n-1)=%05x\n", machine().describe_context(), m_current_page & 0x1f, voice->o4n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x02: /* O3(n-1) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o3n1 = (voice->o3n1 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o3n1 = (INT16)((voice->o3n1 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O3(n-1)=%05x\n", machine().describe_context(), m_current_page & 0x1f, voice->o3n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x03: /* O3(n-2) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o3n2 = (voice->o3n2 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o3n2 = (INT16)((voice->o3n2 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O3(n-2)=%05x\n", machine().describe_context(), m_current_page & 0x1f, voice->o3n2 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x04: /* O2(n-1) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o2n1 = (voice->o2n1 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o2n1 = (INT16)((voice->o2n1 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O2(n-1)=%05x\n", machine().describe_context(), m_current_page & 0x1f, voice->o2n1 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x05: /* O2(n-2) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o2n2 = (voice->o2n2 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o2n2 = (INT16)((voice->o2n2 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O2(n-2)=%05x\n", machine().describe_context(), m_current_page & 0x1f, voice->o2n2 & 0x3ffff);
|
|
break;
|
|
|
|
case 0x06: /* O1(n-1) */
|
|
if (ACCESSING_BITS_0_7)
|
|
voice->o1n1 = (voice->o1n1 & ~0x00ff) | (data & 0x00ff);
|
|
if (ACCESSING_BITS_8_15)
|
|
voice->o1n1 = (INT16)((voice->o1n1 & ~0xff00) | (data & 0xff00));
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "%s:voice %d, O1(n-1)=%05x (accum=%08x)\n", machine().describe_context(), m_current_page & 0x1f, voice->o2n1 & 0x3ffff, voice->accum);
|
|
break;
|
|
|
|
case 0x07:
|
|
case 0x08:
|
|
case 0x09:
|
|
case 0x0a:
|
|
case 0x0b:
|
|
case 0x0c: /* unused */
|
|
break;
|
|
|
|
case 0x0d: /* ACT */
|
|
if (ACCESSING_BITS_0_7)
|
|
{
|
|
m_active_voices = data & 0x1f;
|
|
m_sample_rate = m_master_clock / (16 * (m_active_voices + 1));
|
|
m_stream->set_sample_rate(m_sample_rate);
|
|
|
|
if (LOG_COMMANDS && m_eslog)
|
|
fprintf(m_eslog, "active voices=%d, sample_rate=%d\n", m_active_voices, m_sample_rate);
|
|
}
|
|
break;
|
|
|
|
case 0x0e: /* IRQV - read only */
|
|
break;
|
|
|
|
case 0x0f: /* PAGE */
|
|
if (ACCESSING_BITS_0_7)
|
|
m_current_page = data & 0x7f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
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inline void es5505_device::reg_write_test(es550x_voice *voice, offs_t offset, UINT16 data, UINT16 mem_mask)
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{
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switch (offset)
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{
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case 0x00: /* CH0L */
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case 0x01: /* CH0R */
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case 0x02: /* CH1L */
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case 0x03: /* CH1R */
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case 0x04: /* CH2L */
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case 0x05: /* CH2R */
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case 0x06: /* CH3L */
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case 0x07: /* CH3R */
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break;
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case 0x08: /* SERMODE */
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m_mode = data & 0x0007;
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break;
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case 0x09: /* PAR */
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break;
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case 0x0d: /* ACT */
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if (ACCESSING_BITS_0_7)
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{
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m_active_voices = data & 0x1f;
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m_sample_rate = m_master_clock / (16 * (m_active_voices + 1));
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m_stream->set_sample_rate(m_sample_rate);
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if (LOG_COMMANDS && m_eslog)
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fprintf(m_eslog, "active voices=%d, sample_rate=%d\n", m_active_voices, m_sample_rate);
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}
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break;
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case 0x0e: /* IRQV - read only */
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break;
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case 0x0f: /* PAGE */
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if (ACCESSING_BITS_0_7)
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m_current_page = data & 0x7f;
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break;
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}
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}
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WRITE16_MEMBER( es5505_device::write )
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{
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es550x_voice *voice = &m_voice[m_current_page & 0x1f];
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// logerror("%s:ES5505 write %02x/%02x = %04x & %04x\n", machine().describe_context(), m_current_page, offset, data, mem_mask);
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/* force an update */
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m_stream->update();
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/* switch off the page and register */
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if (m_current_page < 0x20)
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reg_write_low(voice, offset, data, mem_mask);
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else if (m_current_page < 0x40)
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reg_write_high(voice, offset, data, mem_mask);
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else
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reg_write_test(voice, offset, data, mem_mask);
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}
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/**********************************************************************************************
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reg_read -- read from the specified ES5505 register
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***********************************************************************************************/
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inline UINT16 es5505_device::reg_read_low(es550x_voice *voice, offs_t offset)
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{
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UINT16 result = 0;
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switch (offset)
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{
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case 0x00: /* CR */
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result = (voice->control & (CONTROL_STOPMASK | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ)) |
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((voice->control & CONTROL_BS0) >> 12) |
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((voice->control & CONTROL_LPMASK) << 2) |
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((voice->control & (CONTROL_CA0 | CONTROL_CA1)) >> 2) |
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0xf000;
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break;
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case 0x01: /* FC */
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result = voice->freqcount >> 1;
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break;
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case 0x02: /* STRT (hi) */
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result = voice->start >> 18;
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break;
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case 0x03: /* STRT (lo) */
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result = voice->start >> 2;
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break;
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case 0x04: /* END (hi) */
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result = voice->end >> 18;
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break;
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case 0x05: /* END (lo) */
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result = voice->end >> 2;
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break;
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case 0x06: /* K2 */
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result = voice->k2;
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break;
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case 0x07: /* K1 */
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result = voice->k1;
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break;
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case 0x08: /* LVOL */
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result = voice->lvol;
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break;
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case 0x09: /* RVOL */
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result = voice->rvol;
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break;
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case 0x0a: /* ACC (hi) */
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result = voice->accum >> 18;
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break;
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case 0x0b: /* ACC (lo) */
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result = voice->accum >> 2;
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break;
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case 0x0c: /* unused */
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break;
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case 0x0d: /* ACT */
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result = m_active_voices;
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break;
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case 0x0e: /* IRQV */
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result = m_irqv;
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update_internal_irq_state();
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break;
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case 0x0f: /* PAGE */
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result = m_current_page;
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break;
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}
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return result;
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}
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inline UINT16 es5505_device::reg_read_high(es550x_voice *voice, offs_t offset)
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{
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UINT16 result = 0;
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switch (offset)
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{
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case 0x00: /* CR */
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result = (voice->control & (CONTROL_STOPMASK | CONTROL_LOOPMASK | CONTROL_IRQE | CONTROL_DIR | CONTROL_IRQ)) |
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((voice->control & CONTROL_BS0) >> 12) |
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((voice->control & CONTROL_LPMASK) << 2) |
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((voice->control & (CONTROL_CA0 | CONTROL_CA1)) >> 2) |
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0xf000;
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break;
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case 0x01: /* O4(n-1) */
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result = voice->o4n1;
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break;
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case 0x02: /* O3(n-1) */
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result = voice->o3n1;
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break;
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case 0x03: /* O3(n-2) */
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result = voice->o3n2;
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break;
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case 0x04: /* O2(n-1) */
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result = voice->o2n1;
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break;
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case 0x05: /* O2(n-2) */
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result = voice->o2n2;
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break;
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case 0x06: /* O1(n-1) */
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/* special case for the Taito F3 games: they set the accumulator on a stopped */
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/* voice and assume the filters continue to process the data. They then read */
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/* the O1(n-1) in order to extract raw data from the sound ROMs. Since we don't */
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/* want to waste time filtering stopped channels, we just look for a read from */
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/* this register on a stopped voice, and return the raw sample data at the */
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/* accumulator */
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if ((voice->control & CONTROL_STOPMASK) && m_region_base[voice->control >> 14])
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{
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voice->o1n1 = m_region_base[voice->control >> 14][voice->exbank + (voice->accum >> 11)];
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// logerror("%02x %08x ==> %08x\n",voice->o1n1,voice->control >> 14,voice->exbank + (voice->accum >> 11));
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}
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result = voice->o1n1;
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break;
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case 0x07:
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case 0x08:
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case 0x09:
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|
case 0x0a:
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case 0x0b:
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case 0x0c: /* unused */
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break;
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case 0x0d: /* ACT */
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result = m_active_voices;
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break;
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case 0x0e: /* IRQV */
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result = m_irqv;
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update_internal_irq_state();
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break;
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case 0x0f: /* PAGE */
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result = m_current_page;
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break;
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}
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return result;
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}
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inline UINT16 es5505_device::reg_read_test(es550x_voice *voice, offs_t offset)
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{
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UINT16 result = 0;
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switch (offset)
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{
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case 0x00: /* CH0L */
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case 0x01: /* CH0R */
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case 0x02: /* CH1L */
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case 0x03: /* CH1R */
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case 0x04: /* CH2L */
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case 0x05: /* CH2R */
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case 0x06: /* CH3L */
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case 0x07: /* CH3R */
|
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break;
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case 0x08: /* SERMODE */
|
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result = m_mode;
|
|
break;
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case 0x09: /* PAR */
|
|
if (!m_read_port_cb.isnull())
|
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result = m_read_port_cb(0);
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break;
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case 0x0f: /* PAGE */
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|
result = m_current_page;
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break;
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}
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return result;
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}
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READ16_MEMBER( es5505_device::read )
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|
{
|
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es550x_voice *voice = &m_voice[m_current_page & 0x1f];
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UINT16 result;
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|
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if (LOG_COMMANDS && m_eslog)
|
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fprintf(m_eslog, "read from %02x/%02x -> ", m_current_page, offset);
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/* force an update */
|
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m_stream->update();
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/* switch off the page and register */
|
|
if (m_current_page < 0x20)
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result = reg_read_low(voice, offset);
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else if (m_current_page < 0x40)
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result = reg_read_high(voice, offset);
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else
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result = reg_read_test(voice, offset);
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|
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if (LOG_COMMANDS && m_eslog)
|
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fprintf(m_eslog, "%04x (accum=%08x)\n", result, voice->accum);
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|
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/* return the high byte */
|
|
return result;
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}
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|
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void es5505_device::voice_bank_w(int voice, int bank)
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{
|
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#if RAINE_CHECK
|
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m_voice[voice].control = CONTROL_STOPMASK;
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#endif
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m_voice[voice].exbank=bank;
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}
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|
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//-------------------------------------------------
|
|
// sound_stream_update - handle a stream update
|
|
//-------------------------------------------------
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|
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void es550x_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
|
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{
|
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}
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|
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void es5506_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
|
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{
|
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#if MAKE_WAVS
|
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/* start the logging once we have a sample rate */
|
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if (m_sample_rate)
|
|
{
|
|
if (!m_wavraw)
|
|
m_wavraw = wav_open("raw.wav", m_sample_rate, 2);
|
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}
|
|
#endif
|
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|
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/* loop until all samples are output */
|
|
int offset = 0;
|
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while (samples)
|
|
{
|
|
int length = (samples > MAX_SAMPLE_CHUNK) ? MAX_SAMPLE_CHUNK : samples;
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|
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generate_samples(outputs, offset, length);
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|
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#if MAKE_WAVS
|
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/* log the raw data */
|
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if (m_wavraw) {
|
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/* determine left/right source data */
|
|
INT32 *lsrc = m_scratch, *rsrc = m_scratch + length;
|
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int channel;
|
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memset(lsrc, 0, sizeof(INT32) * length * 2);
|
|
/* loop over the output channels */
|
|
for (channel = 0; channel < m_channels; channel++) {
|
|
INT32 *l = outputs[(channel << 1)] + offset;
|
|
INT32 *r = outputs[(channel << 1) + 1] + offset;
|
|
/* add the current channel's samples to the WAV data */
|
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for (samp = 0; samp < length; samp++) {
|
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lsrc[samp] += l[samp];
|
|
rsrc[samp] += r[samp];
|
|
}
|
|
}
|
|
wav_add_data_32lr(m_wavraw, lsrc, rsrc, length, 4);
|
|
}
|
|
#endif
|
|
|
|
/* account for these samples */
|
|
offset += length;
|
|
samples -= length;
|
|
}
|
|
}
|
|
|
|
void es5505_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
|
|
{
|
|
#if MAKE_WAVS
|
|
/* start the logging once we have a sample rate */
|
|
if (m_sample_rate)
|
|
{
|
|
if (!m_wavraw)
|
|
m_wavraw = wav_open("raw.wav", m_sample_rate, 2);
|
|
}
|
|
#endif
|
|
|
|
/* loop until all samples are output */
|
|
int offset = 0;
|
|
while (samples)
|
|
{
|
|
int length = (samples > MAX_SAMPLE_CHUNK) ? MAX_SAMPLE_CHUNK : samples;
|
|
|
|
generate_samples(outputs, offset, length);
|
|
|
|
#if MAKE_WAVS
|
|
/* log the raw data */
|
|
if (m_wavraw) {
|
|
/* determine left/right source data */
|
|
INT32 *lsrc = m_scratch, *rsrc = m_scratch + length;
|
|
int channel;
|
|
memset(lsrc, 0, sizeof(INT32) * length * 2);
|
|
/* loop over the output channels */
|
|
for (channel = 0; channel < m_channels; channel++) {
|
|
INT32 *l = outputs[(channel << 1)] + offset;
|
|
INT32 *r = outputs[(channel << 1) + 1] + offset;
|
|
/* add the current channel's samples to the WAV data */
|
|
for (samp = 0; samp < length; samp++) {
|
|
lsrc[samp] += l[samp];
|
|
rsrc[samp] += r[samp];
|
|
}
|
|
}
|
|
wav_add_data_32lr(m_wavraw, lsrc, rsrc, length, 4);
|
|
}
|
|
#endif
|
|
|
|
/* account for these samples */
|
|
offset += length;
|
|
samples -= length;
|
|
}
|
|
}
|