Video Hardware Handling

  #include <vv_sys.h>
   
int vid_adapter ( )

Returns the current video display adapter under PCDOS and OS/2

void vid_cgabdr (UCHAR phys_att)

Sets the color of the CGA or VGA screen overscan border

void vid_ega43 (int state)

Switches the EGA between 43-row mode and 25-row mode under PCDOS and OS/2

int vid_getmode ( )

Obtains the current video mode

void vid_hibg (int state)

Enables/disables use of high-intensity background colors on the CGA, EGA, or VGA under PCDOS and OS/2

int vid_int (VIDIO *vrip, VIDIO *vrop)

Accesses any of the INT 10H video interrupt routines under PCDOS

void vid_setmode; (int vidmode)

Switches to a new display adapter and/or video mode under PCDOS and OS/2

void vid_vga50 (int state)

Switches the VGA between 50-row mode and 25-row mode under PCDOS and OS/2


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