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CDROM: Add option to speed up double speed reads

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This commit is contained in:
Connor McLaughlin
2020-10-05 00:05:14 +10:00
parent 51e8eb108e
commit 8ba93b36a0
8 changed files with 106 additions and 7 deletions
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17
src/duckstation-libretro/libretro_host_interface.cpp
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@ -445,7 +445,7 @@ void LibretroHostInterface::OnSystemDestroyed()
m_using_hardware_renderer = false;
}
static std::array<retro_core_option_definition, 35> s_option_definitions = {{
static std::array<retro_core_option_definition, 36> s_option_definitions = {{
{"duckstation_Console.Region",
"Console Region",
"Determines which region/hardware to emulate. Auto-Detect will use the region of the disc inserted.",
@ -481,6 +481,21 @@ static std::array<retro_core_option_definition, 35> s_option_definitions = {{
"Forcibly mutes both CD-DA and XA audio from the CD-ROM. Can be used to disable background music in some games.",
{{"true", "Enabled"}, {"false", "Disabled"}},
"false"},
{"duckstation_CDROM.ReadSpeedup",
"Mute CD Audio",
"Speeds up CD-ROM reads by the specified factor. Only applies to double-speed reads, and is ignored when audio "
"is playing. May improve loading speeds in some games, at the cost of breaking others.",
{{"1", "None (Double Speed)"},
{"2", "2x (Quad Speed)"},
{"3", "3x (6x Speed)"},
{"4", "4x (8x Speed)"},
{"5", "5x (10x Speed)"},
{"6", "6x (12x Speed)"},
{"7", "7x (14x Speed)"},
{"8", "8x (16x Speed)"},
{"9", "9x (18x Speed)"},
{"10", "10x (20x Speed)"}},
"1"},
{"duckstation_CPU.ExecutionMode",
"CPU Execution Mode",
"Which mode to use for CPU emulation. Recompiler provides the best performance.",