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Annotation of os2sdk/demos/apps/mandel/readme, revision 1.1

1.1     ! root        1: This disk contains the Mandelbrot demonstration program for OS/2 graphics.
        !             2: Features of OS/2 that are demonstrated are:
        !             3:         Use of 80287
        !             4:         Creating and using ring 2 IOPL segments
        !             5:         Ram semaphore usage
        !             6:         Thread creation and destruction
        !             7:         EGA screen save and restore (both text and graphics)
        !             8: 
        !             9: The specific API entry points used are:
        !            10:         DOSALLOCSEG             Memory allocation
        !            11:         DOSCREATETHREAD         Thread creation
        !            12:         DOSSEMCLEAR             Ram semaphore management
        !            13:         DOSSEMREQUEST           Ram semaphore management
        !            14:         DOSSLEEP                Time delay
        !            15:         VIOGETCONFIG            Getting display configuration
        !            16:         VIOGETCURPOS            Getting cursor position
        !            17:         VIOGETCURTYPE           Getting cursor information
        !            18:         VIOGETMODE              Getting current screen mode
        !            19:         VIOGETPHYSBUF           Getting access to display memory
        !            20:         VIOMODEUNDO             Killing mode wait thread
        !            21:         VIOMODEWAIT             Initializing mode wait thread
        !            22:         VIOREADCELLSTR          Reading current display text
        !            23:         VIOSAVREDRAWUNDO        Killing redraw wait thread
        !            24:         VIOSAVREDRAWWAIT        Initializing screen redraw thread
        !            25:         VIOSCRLOCK              Locking screen for drawing
        !            26:         VIOSCRUNLOCK            Unlocking screen after drawing complete
        !            27:         VIOSETCURPOS            Setting cursor position
        !            28:         VIOSETCURTYPE           Setting cursor information
        !            29:         VIOSETMODE              Setting screen mode to character and graphics
        !            30:         VIOSETSTATE             Set EGA palette registers
        !            31:         VIOWRTCELLSTR           Writing text to display
        !            32: 
        !            33: 
        !            34: The files on this disk are listed below. Note only some of the CNT
        !            35: files are included on the sample disk due to space limits. You can
        !            36: generate the rest yourself.
        !            37: 
        !            38:         readme.doc      This file
        !            39: 
        !            40:         makefile        Make rules for generating the programs
        !            41: 
        !            42:         m.bat           Batch file to generate zoom00.cnt and zoom01.cnt
        !            43: 
        !            44:         cmacros.inc     Include file defining C and assembler interface
        !            45: 
        !            46:         mandel.c        C routine to compute Mandelbrot set
        !            47:         manditer.asm    Assembler routine containing 80287 routine
        !            48:         mandel.rsp      Linker response file for linking mandel.exe
        !            49:         mandel.exe      Executable for above
        !            50: 
        !            51:         mdraw.c         C routine to display Mandelbrot set
        !            52:         mdraw.h         Include file for display program
        !            53:         setscan.asm     Assembler routines for ring 2 EGA manipulation
        !            54:         ega.inc         Include file to define EGA registers
        !            55:         mdraw.rsp       Linker response file for linking mdraw.exe
        !            56:         mdraw.def       Linker definition file for mdraw.exe
        !            57:         mdraw.exe       Executable for above
        !            58: 
        !            59:         mstat.c         C routine to display header information for .cnt file
        !            60:         mstat.rsp       Linker response file for linking mstat.exe
        !            61:         mstat.exe       Executable for above
        !            62: 
        !            63:         zoom00.cnt      Count file for entire Mandelbrot set
        !            64:         zoom01.cnt      Count file for a small area near the Mandelbrot set
        !            65:         cd14.cnt        Count file for a small area near the Mandelbrot set
        !            66: 
        !            67: For further information about the programs and how to use them, please read
        !            68: the program headers in:
        !            69:         mandel.c
        !            70:         mdraw.c
        !            71:         mstat.c
        !            72: 
        !            73: Note that for a worst case (all screen points within the Mandelbrot set), the
        !            74: computation will require approximately 20 hours on an 8 mhz AT with a normal
        !            75: 80287.  The program mandel is 80287 limited so that only faster 80287 chips
        !            76: will significantly speed up the computation.
        !            77: 
        !            78: To display the included sets:
        !            79:         Boot MS OS/2
        !            80:         Start up a screen group
        !            81:         enter   mdraw zoom00
        !            82:         Switch to the session manager
        !            83:         Start another screen group
        !            84:         enter  mdraw zoom01
        !            85: 
        !            86: You can now hot key switch between the two displays.
        !            87: 
        !            88: MS C 5.0 compiler and runtime libraries and the MS assembler 4.00 are required
        !            89: to build these programs.

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