The following Graphics folio calls control bitmaps, screens, and the display generator. They also write to bitmaps and frame buffers. See Graphics Folio Calls for complete descriptions of each call.

• AddScreenGroup() Adds a screen group to the display.
• CreateScreenGroup() Creates a screen group and all its screens, bitmaps, buffers, and VDLs.
• DisplayScreen() Displays the bitmap(s) of the specified screen (or screens).
• RemoveScreenGroup() Removes a screen group from the display.

• SetVDL() Sets a screen to display a specific VDL.
• SubmitVDL() Submits a VDL for approval by the 3DO system.
• ModifyVDL() Changes one or more attributes of a VDL.

• MakeCLUTColorEntry() Packs a color index and red, green, and blue values into a single word.
• MakeCLUTBlueEntry() Packs a color index and blue values into a single word.
• MakeCLUTGreenEntry() Packs a color index and green values into a single word.
• MakeCLUTRedEntry() Packs a color index and red values into a single word.
• SetScreenColor() Sets a color in the 3DO system's color palette.
• SetScreenColors() Sets a number of colors in the 3DO system's color palette.
• ResetScreenColors() Resets a screen's colors to a linear color palette.

• DrawTo() Draws a line from the GrafCon's current position to a specified position.
• FillRect() Draws a filled rectangle.
• GetPixelAddress() Gets a pointer to the pixel at the specified GrafCon coordinates.
• MakeRGB15() Creates a 3DO RGB value out of separate red, green, and blue values.
• MoveTo() Moves the pen position of a GrafCon to a new location.
• SetBGPen() Sets the background pen of a GrafCon.
• SetFGPen() Sets the foreground pen of a GrafCon.
• WritePixel() Writes a pixel to a bitmap in a GrafCon's foreground color.

• DrawChar() Draws a text character to a display window.
• DrawText16() Draws a text character to a display window.
• GetCurrentFont() Gets the pointer to the 3DO system's default font.
• ResetCurrentFont() Resets the 3DO system's default font.
• SetCurrentFontCCB() Sets the font.

• SetClipHeight() Sets the clip height of a bitmap.
• SetClipOrigin() Sets the clip origin of a bitmap.
• SetClipWidth() Sets the clip width of a bitmap.

• CloneVRAMPages() Copies one page of VRAM to a contiguous range of VRAM pages.
• CopyVRAMPages() Copies a contiguous number of VRAM pages to a VRAM destination.
• MakeRGB15Pair() Creates a double 3DO RGB value out of separate red, green, and blue values.
• SetVRAMPages() Sets contiguous pages of VRAM to a specified value.

• WaitVBL() Waits the specified number of VBLs.

• DisableHAVG() Disables horizontal averaging.
• DisableVAVG() Disables vertical averaging.
• EnableHAVG() Enables horizontal averaging.
• EnableVAVG() Enables vertical averaging.