INT 10 - VIDEO - TEXT-MODE CHARGEN - SET BLOCK SPECIFIER (PSIBM PS/2, any model,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.,VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.) AX = 1103h BL = block specifier (see #00020) Return: nothing Notes: (see also AX=1110h) This function allows dual character sets to appear on screen simultaneously SeeAlso: AX=1100h,AX=1101h,AX=1102h,AX=1104h,AH=1Bh,AX=CD10h SeeAlso: MEM 0040h:0084h Index: text mode;font|text mode;screen rows Bitfields for block specifier: Bit(s) Description (Table 00020) ---EGA/MCGA--- 0,1 block selected by characters with attribute bit 3 clear 2,3 block selected by characters with attribute bit 3 set ---VGA--- 0,1,4 block selected by characters with attribute bit 3 clear 2,3,5 block selected by characters with attribute bit 3 set