Add DOSBox-Staging emulator support and configuration

README.md

@@ -53,6 +53,7 @@ OmniEmu is a cross-platform emulator manager, game launcher, and ROM library for
 | mGBA | Game Boy, GBA | ✅ | ✅ | ✅ |
 | Mesen2 | NES, SNES, GB, GBA, PC Engine | ✅ | ✅ | ✅ |
 | RetroArch | Multi-system (NES, SNES, N64, GB/GBA, PS1, and more) | ✅ | ✅ | ✅ |
+| DOSBox-Staging | MS-DOS / PC | ✅ | ✅ | ✅ |
 
 ## Quick Start
 

src/main/configurator.ts

@@ -207,6 +207,38 @@ sleep 0
 autosave 0
 joystick 1
 keyboard 0
+`,
+      },
+    },
+  ],
+  'dosbox-staging': [
+    {
+      name: 'OmniEmu Recommended',
+      description: 'Optimal DOSBox-Staging config with CRT emulation and performance',
+      files: {
+        'dosbox-staging.conf': `[sdl]
+fullscreen = off
+vsync = on
+
+[render]
+aspect = true
+hires_open_gl = true
+glshader = crt-auto-max
+
+[cpu]
+core = auto
+cputype = 386_prefetch
+
+[mixer]
+prebuffer = 30
+rate = 44100
+
+[midi]
+mididevice = none
+
+[speaker]
+pcspeaker = on
+disney = on
 `,
       },
     },
@@ -409,6 +441,11 @@ function getConfigDir(emulatorId: string, installPath: string): string {
       darwin: dirname(installPath),
       linux: join(require('os').homedir(), '.mame'),
     },
+    'dosbox-staging': {
+      win32: join(process.env.APPDATA || join(require('os').homedir(), 'AppData', 'Roaming'), 'DOSBox'),
+      darwin: join(require('os').homedir(), 'Library', 'Preferences', 'DOSBox'),
+      linux: join(require('os').homedir(), '.config', 'dosbox'),
+    },
     duckstation: {
       win32: join(process.env.APPDATA || '', 'duckstation'),
       darwin: join(require('os').homedir(), 'Library', 'Application Support', 'DuckStation'),
@@ -577,6 +614,7 @@ const esdeEmulatorNames: Record<string, string> = {
   flycast: 'FLYCAST',
   eden: 'EDEN',
   ryujinx: 'RYUJINX',
+  'dosbox-staging': 'DOSBOXSTAGING',
   mednafen: 'MEDNAFEN',
 };
 
@@ -757,6 +795,7 @@ const pegasusSystemMeta: Record<string, PegasusSystemMeta> = {
   'sega-md':     { name: 'Sega Mega Drive', shortname: 'genesis', extensions: ['bin', 'md', 'smd'] },
   'sega-saturn': { name: 'Sega Saturn', shortname: 'saturn', extensions: ['bin', 'cue', 'chd'] },
   pce:           { name: 'PC Engine', shortname: 'pce', extensions: ['pce'] },
+  dos:           { name: 'DOS / PC', shortname: 'dos', extensions: ['exe', 'bat', 'com'] },
 };
 
 function getPegasusLaunchCommand(emulatorPath: string, emulatorId: string): string {

src/main/emulators.ts

@@ -249,6 +249,47 @@ export const knownEmulators: EmulatorConfig[] = [
       linux: 'https://www.mamedev.org/release.html',
     },
   },
+  {
+    id: 'dosbox-staging',
+    name: 'DOSBox-Staging',
+    description: 'MS-DOS / PC games emulator',
+    platforms: ['dos'],
+    defaultPath: {
+      win32: 'C:\\Program Files\\DOSBox Staging\\dosbox.exe',
+      darwin: '/Applications/dosbox.app/Contents/MacOS/dosbox',
+      linux: '/usr/bin/dosbox',
+    },
+    downloads: {
+      win32: [
+        {
+          url: 'https://github.com/dosbox-staging/dosbox-staging/releases/download/v0.82.2/dosbox-staging-windows-x64-v0.82.2.zip',
+          format: 'zip',
+          executablePath: 'dosbox.exe',
+        },
+      ],
+      darwin: [
+        {
+          url: 'https://github.com/dosbox-staging/dosbox-staging/releases/download/v0.82.2/dosbox-staging-macOS-v0.82.2.dmg',
+          format: 'dmg',
+          executablePath: 'dosbox.app/Contents/MacOS/dosbox',
+        },
+      ],
+      linux: [
+        {
+          url: 'https://github.com/dosbox-staging/dosbox-staging/releases/download/v0.82.2/dosbox-staging-linux-x86_64-v0.82.2.tar.xz',
+          format: 'tar.xz',
+          executablePath: 'dosbox',
+        },
+      ],
+    },
+    packageNames: { linux: 'dosbox-staging', darwin: 'dosbox-staging' },
+    supported: true,
+    websiteUrl: {
+      win32: 'https://dosbox-staging.org/',
+      darwin: 'https://dosbox-staging.org/',
+      linux: 'https://dosbox-staging.org/',
+    },
+  },
   {
     id: 'duckstation',
     name: 'DuckStation',
@@ -1089,6 +1130,13 @@ function alternativePaths(emulatorId: string): string[] {
       join(omniEmuDir, 'mame'),
       join(omniEmuDir, 'MAME.AppImage'),
     ],
+    'dosbox-staging': [
+      join(omniEmuDir, 'dosbox.exe'),
+      join(omniEmuDir, 'dosbox'),
+      join(omniEmuDir, 'dosbox.app', 'Contents', 'MacOS', 'dosbox'),
+      '/usr/local/bin/dosbox',
+      '/opt/homebrew/bin/dosbox',
+    ],
     flycast: [
       join(omniEmuDir, 'flycast-win64.exe'),
       join(omniEmuDir, 'flycast'),
@@ -1358,6 +1406,8 @@ function launchArgs(emulatorId: string, romPath: string): string[] {
       return [romPath];
     case 'mame':
       return [romPath];
+    case 'dosbox-staging':
+      return [romPath];
     case 'retroarch': {
       const core = findRetroArchCore(romPath);
       if (core) return ['-L', core, romPath];
@@ -1388,7 +1438,7 @@ const romsSubdirs = [
   'nes', 'snes', 'n64', 'gb', 'gbc', 'gba', 'nds', '3ds',
   'ps1', 'ps2', 'ps3', 'psp', 'psvita', 'gc', 'wii', 'wiiu', 'switch',
   'arcade', 'pce', 'sega-md', 'sega-saturn', 'sega-dc', 'dreamcast',
-  'xbox', 'other',
+  'xbox', 'dos', 'other',
 ];
 
 export function ensureRomsStructure(romsDir?: string): void {
@@ -1430,6 +1480,7 @@ export function scanRoms(directory: string): GameEntry[] {
     '.gcm', '.gcz', '.rvz', '.m3u', '.ps2', '.cso',
     '.rom', '.zip', '.7z', '.gdi', '.pbp', '.cdi',
     '.rpx', '.rpl', '.xbe', '.vpk', '.3ds', '.3dsx', '.cia', '.cxi',
+    '.exe', '.bat', '.com',
   ];
 
   const entries: GameEntry[] = [];
@@ -1505,6 +1556,7 @@ const dirHints: Record<string, string> = {
   xbox: 'xbox', 'original xbox': 'xbox',
   psvita: 'psvita', vita: 'psvita', 'ps vita': 'psvita',
   '3ds': '3ds', 'nintendo 3ds': '3ds',
+  dos: 'dos', dosbox: 'dos', pc: 'dos',
 };
 
 function guessPlatform(ext: string, dirPath?: string): string {
@@ -1531,6 +1583,7 @@ function guessPlatform(ext: string, dirPath?: string): string {
     '.xbe': 'xbox',
     '.vpk': 'psvita',
     '.3ds': '3ds', '.3dsx': '3ds', '.cia': '3ds', '.cxi': '3ds',
+    '.exe': 'dos', '.bat': 'dos', '.com': 'dos',
   };
   return map[ext] || 'other';
 }
@@ -1575,6 +1628,7 @@ function guessEmulator(ext: string, platform?: string): string {
       ps1: 'duckstation',
       switch: 'eden',
       arcade: 'mame',
+      dos: 'dosbox-staging',
     };
     const mapped = platformMap[platform];
     if (mapped) return mapped;
@@ -1599,6 +1653,7 @@ function guessEmulator(ext: string, platform?: string): string {
     '.xbe': 'xemu',
     '.vpk': 'vita3k',
     '.3ds': 'azahar', '.3dsx': 'azahar', '.cia': 'azahar', '.cxi': 'azahar',
+    '.exe': 'dosbox-staging', '.bat': 'dosbox-staging', '.com': 'dosbox-staging',
   };
   return map[ext] || 'retroarch';
 }

src/main/installer.ts

@@ -98,7 +98,7 @@ function findAppInDir(dir: string): string | undefined {
 
   for (const e of files) {
     const lowerName = e.name.toLowerCase();
-    const knownNames = ['retroarch', 'dolphin-emu', 'dolphin', 'rpcs3', 'ryujinx', 'eden', 'mame', 'mame64', 'pcsx2', 'duckstation', 'esde'];
+    const knownNames = ['retroarch', 'dolphin-emu', 'dolphin', 'rpcs3', 'ryujinx', 'eden', 'mame', 'mame64', 'pcsx2', 'duckstation', 'esde', 'dosbox'];
     const isExec = e.name.endsWith('.exe') || e.name.endsWith('.AppImage')
       || knownNames.includes(lowerName);
     if (isExec) return join(dir, e.name);