518 lines
15 KiB
C
518 lines
15 KiB
C
#ifndef LIBRETRO_CORE_OPTIONS_H__
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#define LIBRETRO_CORE_OPTIONS_H__
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#include <stdlib.h>
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#include <string.h>
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#include <libretro.h>
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#include <retro_inline.h>
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#ifndef HAVE_NO_LANGEXTRA
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#include "libretro_core_options_intl.h"
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#endif
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#if defined(_3DS) && defined(HAVE_DYNAREC)
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#include "3ds/3ds_utils.h"
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#endif
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/*
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********************************
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* VERSION: 1.3
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********************************
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*
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* - 1.3: Move translations to libretro_core_options_intl.h
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* - libretro_core_options_intl.h includes BOM and utf-8
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* fix for MSVC 2010-2013
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* - Added HAVE_NO_LANGEXTRA flag to disable translations
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* on platforms/compilers without BOM support
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* - 1.2: Use core options v1 interface when
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* RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION is >= 1
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* (previously required RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION == 1)
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* - 1.1: Support generation of core options v0 retro_core_option_value
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* arrays containing options with a single value
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* - 1.0: First commit
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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********************************
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* Core Option Definitions
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********************************
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*/
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/* RETRO_LANGUAGE_ENGLISH */
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/* Default language:
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* - All other languages must include the same keys and values
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* - Will be used as a fallback in the event that frontend language
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* is not available
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* - Will be used as a fallback for any missing entries in
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* frontend language definition */
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struct retro_core_option_definition option_defs_us[] = {
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{
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"gpsp_bios",
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"BIOS",
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"Choose the BIOS image to use. The official BIOS must be provided by the user. Using a non-official (or builtin) BIOS might result in incompatibility problems with some games. Best results are to be achieved with the official Nintendo BIOS.",
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{
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{ "auto", "Auto select" },
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{ "builtin", "Builtin BIOS" },
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{ "official", "Original BIOS" },
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{ NULL, NULL },
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},
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"auto"
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},
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{
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"gpsp_boot_mode",
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"Boot mode",
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"Choose whether to boot the BIOS before the game or not. There's not much difference in either modes.",
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{
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{ "game", "Boot to game" },
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{ "bios", "Boot to BIOS" },
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{ NULL, NULL },
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},
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"game"
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},
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{
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"gpsp_frameskip",
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"Frameskip",
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"Skip frames to avoid audio buffer under-run (crackling). Improves performance at the expense of visual smoothness. 'Auto' skips frames when advised by the frontend. 'Auto (Threshold)' utilises the 'Frameskip Threshold (%)' setting. 'Fixed Interval' utilises the 'Frameskip Interval' setting.",
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{
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{ "disabled", NULL },
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{ "auto", "Auto" },
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{ "auto_threshold", "Auto (Threshold)" },
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{ "fixed_interval", "Fixed Interval" },
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{ NULL, NULL },
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},
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"disabled"
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},
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{
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"gpsp_frameskip_threshold",
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"Frameskip Threshold (%)",
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"When 'Frameskip' is set to 'Auto (Threshold)', specifies the audio buffer occupancy threshold (percentage) below which frames will be skipped. Higher values reduce the risk of crackling by causing frames to be dropped more frequently.",
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{
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{ "15", NULL },
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{ "18", NULL },
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{ "21", NULL },
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{ "24", NULL },
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{ "27", NULL },
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{ "30", NULL },
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{ "33", NULL },
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{ "36", NULL },
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{ "39", NULL },
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{ "42", NULL },
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{ "45", NULL },
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{ "48", NULL },
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{ "51", NULL },
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{ "54", NULL },
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{ "57", NULL },
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{ "60", NULL },
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{ NULL, NULL },
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},
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"33"
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},
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{
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"gpsp_frameskip_interval",
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"Frameskip Interval",
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"When 'Frameskip' is set to 'Fixed Interval', the value set here is the number of frames omitted after a frame is rendered - i.e. '0' = 60fps, '1' = 30fps, '2' = 15fps, etc.",
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{
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{ "0", NULL },
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{ "1", NULL },
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{ "2", NULL },
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{ "3", NULL },
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{ "4", NULL },
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{ "5", NULL },
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{ "6", NULL },
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{ "7", NULL },
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{ "8", NULL },
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{ "9", NULL },
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{ "10", NULL },
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{ NULL, NULL },
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},
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"1"
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},
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{
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"gpsp_color_correction",
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"Color Correction",
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"Adjusts output colors to match the display of real GBA hardware.",
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{
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{ "enabled", NULL },
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{ "disabled", NULL },
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{ NULL, NULL },
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},
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"disabled"
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},
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{
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"gpsp_frame_mixing",
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"Interframe Blending",
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"Simulates LCD ghosting effects by performing a 50:50 mix of the current and previous frames. Required for correct operation when playing games that exploit LCD ghosting for transparency effects (F-Zero, the Boktai series, etc.).",
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{
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{ "enabled", NULL },
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{ "disabled", NULL },
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{ NULL, NULL },
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},
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"disabled"
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},
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{
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"gpsp_save_method",
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"Backup Save Method (Restart)",
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"Choose the data format used for cartridge save files. 'gpSP' can be used for compatibility with the stand-alone version of gpSP. 'libretro' provides better integration with the frontend.",
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{
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{ "gpSP", NULL },
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{ "libretro", NULL },
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{ NULL, NULL },
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},
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"gpSP"
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},
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#if defined(HAVE_DYNAREC)
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{
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"gpsp_drc",
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"Dynamic Recompiler",
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"Dynamically recompile CPU instructions to native instructions. Greatly improves performance, but may reduce accuracy.",
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{
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{ "enabled", NULL },
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{ "disabled", NULL },
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{ NULL, NULL },
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},
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"enabled"
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},
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#endif
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{
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"gpsp_turbo_period",
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"Turbo Button Period",
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"Specify the repeat interval (in frames) when holding down the Turbo A/B buttons.",
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{
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{ "4", NULL },
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{ "5", NULL },
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{ "6", NULL },
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{ "7", NULL },
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{ "8", NULL },
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{ "9", NULL },
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{ "10", NULL },
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{ "11", NULL },
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{ "12", NULL },
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{ "13", NULL },
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{ "14", NULL },
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{ "15", NULL },
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{ "16", NULL },
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{ "17", NULL },
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{ "18", NULL },
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{ "19", NULL },
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{ "20", NULL },
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{ "21", NULL },
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{ "22", NULL },
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{ "23", NULL },
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{ "24", NULL },
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{ "25", NULL },
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{ "26", NULL },
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{ "27", NULL },
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{ "28", NULL },
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{ "29", NULL },
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{ "30", NULL },
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{ "31", NULL },
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{ "32", NULL },
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{ "33", NULL },
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{ "34", NULL },
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{ "35", NULL },
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{ "36", NULL },
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{ "37", NULL },
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{ "38", NULL },
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{ "39", NULL },
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{ "40", NULL },
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{ "41", NULL },
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{ "42", NULL },
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{ "43", NULL },
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{ "44", NULL },
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{ "45", NULL },
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{ "46", NULL },
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{ "47", NULL },
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{ "48", NULL },
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{ "49", NULL },
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{ "50", NULL },
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{ "51", NULL },
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{ "52", NULL },
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{ "53", NULL },
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{ "54", NULL },
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{ "55", NULL },
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{ "56", NULL },
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{ "57", NULL },
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{ "58", NULL },
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{ "59", NULL },
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{ "60", NULL },
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{ "61", NULL },
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{ "62", NULL },
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{ "63", NULL },
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{ "64", NULL },
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{ "65", NULL },
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{ "66", NULL },
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{ "67", NULL },
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{ "68", NULL },
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{ "69", NULL },
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{ "70", NULL },
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{ "71", NULL },
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{ "72", NULL },
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{ "73", NULL },
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{ "74", NULL },
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{ "75", NULL },
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{ "76", NULL },
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{ "77", NULL },
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{ "78", NULL },
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{ "79", NULL },
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{ "80", NULL },
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{ "81", NULL },
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{ "82", NULL },
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{ "83", NULL },
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{ "84", NULL },
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{ "85", NULL },
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{ "86", NULL },
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{ "87", NULL },
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{ "88", NULL },
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{ "89", NULL },
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{ "90", NULL },
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{ "91", NULL },
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{ "92", NULL },
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{ "93", NULL },
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{ "94", NULL },
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{ "95", NULL },
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{ "96", NULL },
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{ "97", NULL },
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{ "98", NULL },
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{ "99", NULL },
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{ "100", NULL },
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{ "101", NULL },
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{ "102", NULL },
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{ "103", NULL },
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{ "104", NULL },
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{ "105", NULL },
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{ "106", NULL },
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{ "107", NULL },
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{ "108", NULL },
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{ "109", NULL },
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{ "110", NULL },
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{ "111", NULL },
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{ "112", NULL },
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{ "113", NULL },
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{ "114", NULL },
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{ "115", NULL },
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{ "116", NULL },
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{ "117", NULL },
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{ "118", NULL },
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{ "119", NULL },
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{ "120", NULL },
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{ NULL, NULL },
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},
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"4"
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},
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{ NULL, NULL, NULL, {{0}}, NULL },
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};
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/*
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********************************
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* Language Mapping
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********************************
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*/
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#ifndef HAVE_NO_LANGEXTRA
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struct retro_core_option_definition *option_defs_intl[RETRO_LANGUAGE_LAST] = {
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option_defs_us, /* RETRO_LANGUAGE_ENGLISH */
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NULL, /* RETRO_LANGUAGE_JAPANESE */
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NULL, /* RETRO_LANGUAGE_FRENCH */
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NULL, /* RETRO_LANGUAGE_SPANISH */
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NULL, /* RETRO_LANGUAGE_GERMAN */
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NULL, /* RETRO_LANGUAGE_ITALIAN */
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NULL, /* RETRO_LANGUAGE_DUTCH */
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NULL, /* RETRO_LANGUAGE_PORTUGUESE_BRAZIL */
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NULL, /* RETRO_LANGUAGE_PORTUGUESE_PORTUGAL */
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NULL, /* RETRO_LANGUAGE_RUSSIAN */
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NULL, /* RETRO_LANGUAGE_KOREAN */
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NULL, /* RETRO_LANGUAGE_CHINESE_TRADITIONAL */
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NULL, /* RETRO_LANGUAGE_CHINESE_SIMPLIFIED */
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NULL, /* RETRO_LANGUAGE_ESPERANTO */
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NULL, /* RETRO_LANGUAGE_POLISH */
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NULL, /* RETRO_LANGUAGE_VIETNAMESE */
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NULL, /* RETRO_LANGUAGE_ARABIC */
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NULL, /* RETRO_LANGUAGE_GREEK */
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NULL, /* RETRO_LANGUAGE_TURKISH */
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NULL, /* RETRO_LANGUAGE_SLOVAK */
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NULL, /* RETRO_LANGUAGE_PERSIAN */
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NULL, /* RETRO_LANGUAGE_HEBREW */
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NULL, /* RETRO_LANGUAGE_ASTURIAN */
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};
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#endif
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/*
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********************************
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* Functions
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********************************
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*/
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/* Handles configuration/setting of core options.
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* Should be called as early as possible - ideally inside
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* retro_set_environment(), and no later than retro_load_game()
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* > We place the function body in the header to avoid the
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* necessity of adding more .c files (i.e. want this to
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* be as painless as possible for core devs)
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*/
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static INLINE void libretro_set_core_options(retro_environment_t environ_cb)
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{
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unsigned version = 0;
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if (!environ_cb)
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return;
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#if defined(_3DS) && (HAVE_DYNAREC)
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if(!__ctr_svchax)
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{
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/* Critical error - dynarec is force
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* disabled, so remove 'gpsp_drc' option */
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option_defs_us[6].key = NULL;
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option_defs_us[6].desc = NULL;
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option_defs_us[6].info = NULL;
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option_defs_us[6].default_value = NULL;
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}
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#endif
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if (environ_cb(RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION, &version) && (version >= 1))
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{
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#ifndef HAVE_NO_LANGEXTRA
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struct retro_core_options_intl core_options_intl;
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unsigned language = 0;
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core_options_intl.us = option_defs_us;
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core_options_intl.local = NULL;
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if (environ_cb(RETRO_ENVIRONMENT_GET_LANGUAGE, &language) &&
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(language < RETRO_LANGUAGE_LAST) && (language != RETRO_LANGUAGE_ENGLISH))
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core_options_intl.local = option_defs_intl[language];
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environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_INTL, &core_options_intl);
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#else
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environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS, &option_defs_us);
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#endif
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}
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else
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{
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size_t i;
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size_t num_options = 0;
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struct retro_variable *variables = NULL;
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char **values_buf = NULL;
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/* Determine number of options */
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for (;;)
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{
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if (!option_defs_us[num_options].key)
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break;
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num_options++;
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}
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/* Allocate arrays */
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variables = (struct retro_variable *)calloc(num_options + 1, sizeof(struct retro_variable));
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values_buf = (char **)calloc(num_options, sizeof(char *));
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if (!variables || !values_buf)
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goto error;
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/* Copy parameters from option_defs_us array */
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for (i = 0; i < num_options; i++)
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{
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const char *key = option_defs_us[i].key;
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const char *desc = option_defs_us[i].desc;
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const char *default_value = option_defs_us[i].default_value;
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struct retro_core_option_value *values = option_defs_us[i].values;
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size_t buf_len = 3;
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size_t default_index = 0;
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values_buf[i] = NULL;
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if (desc)
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{
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size_t num_values = 0;
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/* Determine number of values */
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for (;;)
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{
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if (!values[num_values].value)
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break;
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/* Check if this is the default value */
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if (default_value)
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if (strcmp(values[num_values].value, default_value) == 0)
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default_index = num_values;
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buf_len += strlen(values[num_values].value);
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num_values++;
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}
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/* Build values string */
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if (num_values > 0)
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{
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size_t j;
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buf_len += num_values - 1;
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buf_len += strlen(desc);
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values_buf[i] = (char *)calloc(buf_len, sizeof(char));
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if (!values_buf[i])
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goto error;
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strcpy(values_buf[i], desc);
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strcat(values_buf[i], "; ");
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/* Default value goes first */
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strcat(values_buf[i], values[default_index].value);
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/* Add remaining values */
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for (j = 0; j < num_values; j++)
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{
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if (j != default_index)
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{
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strcat(values_buf[i], "|");
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strcat(values_buf[i], values[j].value);
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}
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}
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}
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}
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variables[i].key = key;
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variables[i].value = values_buf[i];
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}
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/* Set variables */
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environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, variables);
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error:
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/* Clean up */
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if (values_buf)
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{
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for (i = 0; i < num_options; i++)
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{
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if (values_buf[i])
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{
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free(values_buf[i]);
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values_buf[i] = NULL;
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}
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}
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free(values_buf);
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values_buf = NULL;
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}
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if (variables)
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{
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free(variables);
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variables = NULL;
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}
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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