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AX = 00D7h ES:BX -> variable record (see #03511) CX = source virtual buffer's handle DX = destination virtual buffer's handle
Desc: Copy rectangle from one virtual buffer to another with transparent colors
Notes: The FGDRIVER functions are rearranged with each major release, but their parameters do not change (see #03474). If the destination buffer is the same as the source buffer, the regions must not overlap
See Also: AX=00CFh - AX=00D0h - AX=00D6h - AX=00D8h
Format of FGDRIVER VBTCCOPY variable record: Offset Size Description (Table 03511) 00h WORD source region's left edge 02h WORD source region's right edge 04h WORD source region's top edge 06h WORD source region's bottom edge 08h WORD X coordinate of destination region's upper left corner 0Ah WORD Y coordinate of destination region's upper left corner
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