http://www.mame.net/readmewin.html

Usage: mamepp [game] [options]
Options:

*** Frontend Related ***
-help / -h                     show help message                               
-?                             show help message                               
-list / -ls                    List supported games matching gamename, or all, 
                               gamename may contain * and ? wildcards          
-listfull / -ll                short name, full name                           
-listgames                     year, manufacturer and full name                
-listdetails                   detailed info                                   
-gamelist                      output gamelist.txt main body                   
-listsourcefile                driver sourcefile                               
-listgamespersourcefile        games per sourcefile                            
-listinfo / -li                all available info on driver                    
-listxml / -lx                 all available info on driver in XML format      
-listclones / -lc              show clones                                     
-listsamdir                    shared sample directory                         
-listcrc                       CRC-32s                                         
-listsha1                      SHA-1s                                          
-listmd5                       MD5s                                            
-listdupcrc                    duplicate crc's                                 
-listwrongmerge / -lwm         wrong merge attempts                            
-listromsize                   rom size                                        
-listromdistribution           rom distribution                                
-listromnumber                 rom size                                        
-listpalettesize / -lps        palette size                                    
-listcpu                       cpu's used                                      
-listcpuclass                  class of cpu's used by year                     
-listnosound                   drivers missing sound support                   
-listsound                     sound chips used                                
-listnvram                     games with nvram                                
-wrongorientation              wrong orientation                               
-wrongfps                      wrong fps                                       
-[no]clones                    enable/disable clones                           
-listroms                      list required roms for a driver                 
-listsamples                   list optional samples for a driver              
-verifyroms                    report romsets that have problems               
-verifysets                    verify checksums of romsets (terse)             
-vset                          verify checksums of a romset (verbose)          
-verifysamples                 report samplesets that have problems            
-vsam                          verify a sampleset                              
-romident                      compare files with known MAME roms              
-isknown                       compare files with known MAME roms (brief)      
-sortname                      sort by descriptive name                        
-sortdriver                    sort by driver                                  

*** Windows path and directory options ***
-rompath / -rp <string>        path to romsets                                 
-samplepath / -sp <string>     path to samplesets                              
-inipath <string>              path to ini files                               
-cfg_directory <string>        directory to save configurations                
-nvram_directory <string>      directory to save nvram contents                
-memcard_directory <string>    directory to save memory card contents          
-input_directory <string>      directory to save input device logs             
-hiscore_directory <string>    directory to save hiscores                      
-state_directory <string>      directory to save states                        
-artwork_directory <string>    directory for Artwork (Overlays etc.)           
-snapshot_directory <string>   directory for screenshots (.png format)         
-diff_directory <string>       directory for hard drive image difference files 
-ctrlr_directory <string>      directory to save controller definitions        
-cheat_file <string>           cheat filename                                  
-history_file <string>         no help available                               
-mameinfo_file <string>        no help available                               

*** Windows video options ***
-[no]autoframeskip / -[no]afs  skip frames to speed up emulation               
-frameskip / -fs <int>         set frameskip explicitly (autoframeskip needs   
                               to be off)                                      
-[no]waitvsync                 wait for vertical sync (reduces tearing)        
-[no]triplebuffer / -[no]tb    triple buffering (only if fullscreen)           
-[no]window / -[no]w           run in a window/run on full screen              
-[no]ddraw / -[no]dd           use DirectDraw for rendering                    
-[no]direct3d / -[no]d3d       use Direct3D for rendering                      
-[no]hwstretch / -[no]hws      (dd) stretch video using the hardware           
-cleanstretch / -cs <string>   stretch to integer ratios                       
-resolution / -r <string>      set resolution                                  
-zoom / -z <int>               force specific zoom level                       
-refresh <int>                 set specific monitor refresh rate               
-[no]scanlines / -[no]sl       emulate win_old_scanlines                       
-[no]switchres                 switch resolutions to best fit                  
-[no]switchbpp                 switch color depths to best fit                 
-[no]maximize / -[no]max       start out maximized                             
-[no]keepaspect / -[no]ka      enforce aspect ratio                            
-[no]matchrefresh              attempt to match the game's refresh rate        
-[no]syncrefresh               syncronize only to the monitor refresh          
-[no]throttle                  throttle speed to the game's framerate          
-full_screen_brightness / -fsb sets the brightness in full screen mode         
<float>                                                                        
-frames_to_run / -ftr <int>    sets the number of frames to run within the     
                               game                                            
-effect <string>               specify the blitting effect                     
-screen_aspect <string>        specify an alternate monitor aspect ratio       
-[no]sleep                     allow MAME to give back time to the system when 
                               it's not needed                                 
-[no]rdtsc                     prefer RDTSC over QueryPerformanceCounter for   
                               timing                                          
-[no]high_priority             increase thread priority                        

*** Windows Direct3D 2D video options ***
-[no]d3dtexmanage              use DirectX texture management                  
-d3dfilter / -flt <int>        interpolation method                            
-d3dfeedback <int>             feedback strength                               
-d3dscan <int>                 scanline intensity                              
-[no]d3deffectrotate           enable rotation of effects for rotated games    
-d3dprescale <string>          prescale effect                                 
-d3deffect <string>            specify the blitting effects                    
-d3dcustom <string>            customised blitting effects preset              
-d3dexpert <string>            additional customised settings (undocumented)   

*** Windows sound options ***
-audio_latency <int>           set audio latency (increase to reduce glitches) 

*** Input device options ***
-[no]mouse                     enable mouse input                              
-[no]joystick / -[no]joy       enable joystick input                           
-[no]lightgun / -[no]gun       enable lightgun input                           
-[no]dual_lightgun / -[no]dual enable dual lightgun input                      
-[no]offscreen_reload /        offscreen shots reload                          
-[no]reload                                                                    
-[no]steadykey / -[no]steady   enable steadykey support                        
-[no]keyboard_leds / -[no]leds enable keyboard LED emulation                   
-led_mode <string>             LED mode (ps/2|usb)                             
-a2d_deadzone / -a2d <float>   minimal analog value for digital input          
-ctrlr <string>                preconfigure for specified controller           

*** Mame CORE video options ***
-[no]norotate                  do not apply rotation                           
-[no]ror                       rotate screen clockwise                         
-[no]rol                       rotate screen anti-clockwise                    
-[no]autoror                   automatically rotate screen clockwise for       
                               vertical games                                  
-[no]autorol                   automatically rotate screen anti-clockwise for  
                               vertical games                                  
-[no]flipx                     flip screen upside-down                         
-[no]flipy                     flip screen left-right                          
-debug_resolution / -dr        set resolution for debugger window              
<string>                                                                       
-gamma <float>                 gamma correction                                
-brightness / -bright <float>  brightness correction                           
-pause_brightness <float>      additional pause brightness                     

*** Mame CORE vector game options ***
-[no]antialias / -[no]aa       draw antialiased vectors                        
-[no]translucency / -[no]tl    draw translucent vectors                        
-beam <float>                  set beam width in vector games                  
-flicker <float>               set flickering in vector games                  
-intensity <float>             set intensity in vector games                   

*** Mame CORE sound options ***
-samplerate / -sr <int>        set samplerate                                  
-[no]samples                   use samples                                     
-[no]resamplefilter            resample if samplerate does not match           
-[no]sound                     enable/disable sound and sound CPUs             
-volume / -vol <int>           volume (range [-32,0])                          

*** Mame CORE misc options ***
-[no]artwork / -[no]art        use additional game artwork (sets default for   
                               specific options below)                         
-[no]use_backdrops /           use backdrop artwork                            
-[no]backdrop                                                                  
-[no]use_overlays /            use overlay artwork                             
-[no]overlay                                                                   
-[no]use_bezels / -[no]bezel   use bezel artwork                               
-[no]artwork_crop /            crop artwork to game screen only                
-[no]artcrop                                                                   
-artwork_resolution / -artres  artwork resolution (0 for auto)                 
<int>                                                                          
-[no]cheat / -[no]c            enable/disable cheat subsystem                  
-[no]debug / -[no]d            enable/disable debugger (only if available)     
-playback / -pb <string>       playback an input file                          
-record / -rec <string>        record an input file                            
-[no]log                       generate error.log                              
-maxlogsize <int>              maximum error.log size (in KB)                  
-[no]oslog                     output error log to debugger                    
-[no]skip_disclaimer           skip displaying the disclaimer screen           
-[no]skip_gameinfo             skip displaying the game info screen            
-[no]crconly                   use only CRC for all integrity checks           
-bios <string>                 change system bios                              
-state <string>                state to load                                   

*** Configuration options ***
-createconfig / -cc            create the default configuration file           
-showconfig / -sc              display running parameters in rc style          
-showusage / -su               show this help                                  
-[no]readconfig / -[no]rc      enable/disable loading of configfiles           
-[no]verbose / -[no]v          display additional diagnostic information       
