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settings/sound: Multiple sound cards

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RichardG867
2023-04-16 16:08:25 -03:00
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settings/sound.rst
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@@ -7,15 +7,17 @@ The **Sound** page contains settings related to the emulated machine's audio har
Parallel port sound devices such as the **Disney Sound Source** and **Covox Speech Thing** are not present on this page; they can be configured through the :ref:`Ports page <settings/ports:LPT1-4 Device>`.
Sound card
----------
Sound card #1-#4
----------------
Sound card to emulate. Only cards supported by the machine's expansion buses will be listed. On machines equipped with an onboard sound chip, the *Internal* option enables the onboard sound.
Sound cards to emulate. Up to 4 independent sound cards are supported. Only cards supported by the machine's expansion buses will be listed. On machines equipped with an onboard sound chip, the *Internal* option for sound card #1 enables the onboard sound.
The *Configure* button opens a new window with settings specific to the selected sound card, such as the I/O ports, IRQ and DMA channels for ISA cards.
Emulation for the Yamaha OPL series of synthesizers (used by many of the emulated cards) is provided by a modified `Nuked OPL3 <https://github.com/nukeykt/Nuked-OPL3>`_ or `ymfm <https://github.com/aaronsgiles/ymfm>`_ library, per the :ref:`selection below <settings/sound:FM synth driver>`.
.. note:: The **Innovation SSI-2001**, **CMS / Game Blaster** and **Gravis Ultrasound** are now selectable here, replacing the previous separate options for each.
MIDI Out Device
---------------
@@ -45,25 +47,6 @@ Emulate a standalone **Roland MIDI Processing Unit** ISA card, which allows for
The I/O port and IRQ can be configured through the *Configure* button.
Innovation SSI-2001
-------------------
Emulate the **Innovation SSI-2001** ISA sound card, based on the MOS Technology 6581 chip (commonly known as the Commodore SID) and supported by a limited number of games.
SID emulation is provided by the `reSID <http://www.zimmers.net/anonftp/pub/cbm/crossplatform/emulators/resid/>`_ library.
CMS / Game Blaster
------------------
Emulate the **Creative Music System** or **Game Blaster** ISA sound card, based on dual Philips SAA1099 chips and supported by some games.
Gravis Ultrasound
-----------------
Emulate the **Gravis UltraSound** ISA sound card.
The I/O port and amount of onboard RAM can be configured through the *Configure* button.
Use FLOAT32 sound
-----------------