User connands :
 58 - version        : print program version
123 - resolution     : display resolution ( physical, if virtual )
123 - xy             : = resolution
124 - virtual        : +/- virtual screen resolution ( logical )
125 - display-start  : display start position [ x,y ]
125 - start          : = display-start
126 - sync-stop      : sync pulse stop position [ x,y ]
126 - sync           : = sync-stop [ x,y ]
127 - frame          : timing frame [ x,y ]
128 - zoom           : zoom factors [ x,y ] | window [ x, y, fac ]
142 - bpp            : bits per pixel [ planes ]
143 - interlaced     : +/-interlaced mode
144 - clock          : pixel clock frequency { clock } in MHz
145 - sflags         : set screen parameter flags ( word )
146 - config         : set board configuration { modes }
147 - synth          : set synthesizer [ code ]
129 - hsync          : +/- set horizontal sync polarity 
130 - vsync          : +/- set vertical sync polarity
131 - hvsync         : +/- set h & v sync polarity
132 - compsync       : +/- set composite sync
133 - xsync          : +/- set external sync
141 - keyflags       : zoom keyflags { ACS }
 73 - c1rpar         : clear screen paraneter
 75 - request        : init request { no,board,vdi = { 0..2 } }
 51 - flags          : set flags [ int ]
134 - hdtv           : +/- set hdtv interlaced sync [ odd/even x/y ]
139 - display        : set display origin { x { y } }
138 - draw           : set draw origin { x { y } }
136 - yuv            : +/- set yuv/rgb, conv rect { n, yuv-matrix-point |rect }
137 - ?yuv           : display yuv-matrix
 65 - ?gsp           : display gsp registers
 66 - ?screen        : display screen parameters
 67 - ?board         : display board parameters
 68 - ?tables        : display tables
 72 - ?frequ         : display synthesizer frequencies
140 - color          : set color [ phys, r, g, b ]
 69 - ?e2prom        : display e2prom info
 70 - ?mem           : display memory allocation
 71 - ?mode          : display mode
 74 - init           : initialise board { t(iming) | c(lock) | i(nfo) }
148 - import         : import CXX-file { name } | selected CXS-file
149 - export         : export CXX-file { name { format } }
 79 - dialog         : dialog box on MatScreen
 80 - default        : set / display default file
-78 - video          : +/- video on/off
 77 - reset          : reset board
 52 - sno            : set / print serial number {text}
 53 - i2ca           : set i2c port address [address]
 54 - i2cs           : set i2c slave number [slave]
 55 - i2cr           : i2c read [ count { subadr } ]
 56 - i2cm           : i2c write [ data* ]
 83 - toed           : load kernel
 86 - par            : display module / kernel parameter { modu-name } 
 85 - list           : list kernel
 84 - run            : exec kernel module [ modu-name pars ]
-95 - debug          : +/- kernel debug mode ( off = no reg save )
-93 - trace          : +/- single step on off / trace module { modu-name pars }
 94 - gcatt          : call gsp subroutine { modu-name pars }
 91 - step           : gsp step { steps }
 92 - break          : interrupt gsp
 87 - dump           : dump module [ name ]
-88 - reg            : +disptay,set/-clear kernel register { num { neu-value } }
 89 - vector         : display gsp vectors
-98 - watch          : +/-gsp status watch on/off { display-mask }
 96 - fhelp          : show function keys
 97 - halt           : halt program
 98 - hack           : wait for gsp halt acknowledge
-99 - cache          : +/-gsp-cache on/off
100 - palette        : palette [ | 332 | Vdi- | Phys-gray ]
101 - ?clut          : display palette register
102 - csc            : +/-color space conversion on/off [ mode ]
104 - cscreg         : read/write csc register [ reg { val { 'n' } } ]
103 - cscheck        : check csc error flags
106 - ident          : matrix =  1:1
107 - cinvers        : matrix = -1:1
108 - gray3          : gray matrix = (R+G+B)/3
109   graytv         : gray matrix, TV coefficients
105 - matrix         : set csc matrix 1.0 = 1000 [ r->r, g->r, .. b->b ]
111 - iinvers        : inverse linear lut correction
110 - linear         : linear lut correction [ rmin,rmax,...,bmax ]
112 - gamma          : gamma lut correction [ rsqrt,rmax,...,bmax ]
113 - uncorr         : reset lut correction
 58 - line           : line [x0,y0,x1,y1,color]
 63 - pattern        : set line pattern [ 16 bit mask ]
 64 - prect          : prect [x0,y0,x1,y1,{n,p,col}*]
 82 - fill           : fill screen with 0xrrggbb
 59 - rect           : rect [x0,y0,x1,y1,color]
 68 - frect          : frect [x0,y0,x1,y1,color]
 61 - hline          : line [x0,x1,y,color]
 62 - vline          : line [x,y0,y1,color]
 81 - testpic        : display test picture
 81 - pic            : = testpic
 57 - invert         : invert screen
114 - size           : set size parameter [ 1,2,4 ]
115 - addr           : set address parameter [ long ]
116 - range          : set range parameter [ ulong ]
117 - amask          : set address mask parameter [ ulong ]
118 - wtoops         : set write Loops
119 - rtoops         : set read loops
128 - and            : set and pattern
121 - or             : set or pattern
122 - mask           : memory test mask
76 - test            : memory test ( size, addr, range )