INT E0 - REAL/32 - "C_WRITE" - WRITE CHARACTER TO DEFAULT CONSOLE
	CL = 02h
	DX = character
Return: nothing
	may destroy SI,DI???
Note:	Tab characters are expanded to blanks up to the next multiple of
	  eight columns
SeeAlso: INT E0/CL=01h,INT E0/CL=06h,INT 21/AH=02h