hercules.h File Reference

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Functions
BOOLEAN	ConsoleInitHercules (void)
void	ConsoleShutdownHercules (void)

Function Documentation

ConsoleInitHercules()

BOOLEAN ConsoleInitHercules

(

void

)

Definition at line 398 of file hercules.c.

{
    BOOLEAN bResult = FALSE;
    PUCHAR pMGATable = MGATable43;
    UCHAR i,reg,data;
    PHYSICAL_ADDRESS FrameBuffer;

    ENTER_FUNC();

    ohandlers.CopyLineTo            = CopyLineToHercules;
    ohandlers.PrintGraf             = PrintGrafHercules;
    ohandlers.Flush                 = FlushHercules;
    ohandlers.ClrLine               = ClrLineHercules;
    ohandlers.InvertLine            = InvertLineHercules;
    ohandlers.HatchLine             = HatchLineHercules;
    ohandlers.PrintLogo             = PrintLogoHercules;
    ohandlers.PrintCursor           = PrintCursorHercules;
    ohandlers.SaveGraphicsState     = SaveGraphicsStateHercules;
    ohandlers.RestoreGraphicsState  = RestoreGraphicsStateHercules;
    ohandlers.ShowCursor            = ShowCursorHercules;
    ohandlers.HideCursor            = HideCursorHercules;
    ohandlers.SetForegroundColor    = SetForegroundColorHercules;
    ohandlers.SetBackgroundColor    = SetBackgroundColorHercules;

    ihandlers.GetKeyPolled          = KeyboardGetKeyPolled;
    ihandlers.FlushKeyboardQueue    = KeyboardFlushKeyboardQueue;

    // init HERCULES adapter
    outb_p(0,0x3b8);
    outb_p(0x03,0x3bf);
    for(i=0;i<sizeof(MGATable43);i++)
    {
        reg=i;
        outb_p(reg,0x3b4);
        data=pMGATable[i];
        outb_p(data,0x3b5);
    }
    outb_p(0x0a,0x3b8);

    SetWindowGeometry(wWindowHercGraph);

    GLOBAL_SCREEN_WIDTH = 90;
    GLOBAL_SCREEN_HEIGHT = 45;

    attr.u.Asuchar = 0x07;
    FrameBuffer.u.LowPart = 0xb0000;
    pScreenBufferHercules=MmMapIoSpace(FrameBuffer,FRAMEBUFFER_SIZE,MmNonCached);

    DPRINT((0,"VGA memory phys. 0xb0000 mapped to virt. 0x%x\n",pScreenBufferHercules));

    if(pScreenBufferHercules)
    {
        for(i=0;i<4;i++)
        {
            pVgaOffset[i] = (PUCHAR)pScreenBufferHercules+0x2000*i;
            DPRINT((0,"VGA offset %u = 0x%.8X\n",i,pVgaOffset[i]));
        }
        bResult = TRUE;

        PICE_memset(pScreenBufferHercules,0x0,FRAMEBUFFER_SIZE);

        EmptyRingBuffer();

        DPRINT((0,"ConsoleInitHercules() SUCCESS!\n"));
    }

    LEAVE_FUNC();

    return bResult;
}

Referenced by ConsoleInit().

ConsoleShutdownHercules()

void ConsoleShutdownHercules

(

void

)

Definition at line 474 of file hercules.c.

{
    ENTER_FUNC();

    // HERC video off
    outb_p(0,0x3b8);
    outb_p(0,0x3bf);

    if(pScreenBufferHercules)
        MmUnmapIoSpace(pScreenBufferHercules,FRAMEBUFFER_SIZE);

    LEAVE_FUNC();
}

Referenced by ConsoleShutdown().