INT 10 - VIDEO - READ CHARACTER AND ATTRIBUTE ATIBM PC AT CURSOR POSITION
	AH = 08h
	BH = page number (00h to number of pages - 1) (see #00010)
Return: AH = character's attribute (text mode only) (see #00014)
	AH = character's color (Tandy 2000 graphics mode only)
	AL = character
Notes:	for monochrome displays, a foreground of 1 with background 0 is
	  underlined
	the blink bit may be reprogrammed to enable intense background colors
	  using AX=1003h or by programming the CRT controller
	the foreground intensity bit (3) can be programmed to switch between
	  character sets A and B on EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. and VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. cards, thus enabling 512
	  simultaneous characters on screen.  In this case the bit's usual
	  function (intensity) is regularly turned off.
	in graphics modes, only characters drawn with white foreground pixels
	  are matched by the pattern-comparison routine
	on the Tandy 2000, BH=FFh specifies that the current page should be
	  used
	because of the IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. specifications, there may exist some clone
	  BIOSes which do not preserve SI or DI; the Novell DOS kernel
	  preserves SI, DI, and BP before many INT 10h calls to avoid problems
	  due to those registers not being preserved by the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly..
BUG:	some IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PCIBM PC ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. BIOSes destroy BP when in graphics modes
SeeAlso: AH=09h,AX=1003h,AX=1103h,AH=12h/BL=37h,AX=5001h


Bitfields for character's display attribute:
Bit(s)	Description	(Table 00014)
 7	foreground blink or (alternate) background bright (see also AX=1003h)
 6-4	background color (see #00015)
 3	foreground bright or (alternate) alternate character set (see AX=1103h)
 2-0	foreground color (see #00015)
SeeAlso: #00026


(Table 00015)
Values for character color:
	Normal		Bright
 000b	black		dark gray
 001b	blue		light blue
 010b	green		light green
 011b	cyan		light cyan
 100b	red		light red
 101b	magenta		light magenta
 110b	brown		yellow
 111b	light gray	white