INT 10 - VIDEO - SELECT ACTIVE DISPLAY PAGE AH = 05h AL = new page number (00h to number of pages - 1) (see #00010) Return: nothing Desc: specify which of possibly multiple display pages will be visible Note: to determine whether the requested page actually exists, use AH=0Fh to query the current page after making this call SeeAlso: AH=0Fh,AH=43h,AH=45h,MEM 0040h:0062h,MEM 0040h:004Eh
INT 10 - VIDEO - PCjr, Tandy 1000 - SET CRT/CPU(Central Processing Unit) The microprocessor which executes programs on your computer. PAGE REGISTERS AH = 05h AL = subfunction 81h set CPU(Central Processing Unit) The microprocessor which executes programs on your computer. page register BL = CPU(Central Processing Unit) The microprocessor which executes programs on your computer. page 82h set CRT page register BH = CRT page 83h set both CPU(Central Processing Unit) The microprocessor which executes programs on your computer. and CRT page registers BL = CPU(Central Processing Unit) The microprocessor which executes programs on your computer. page BH = CRT page Return: nothing Notes: the CPU(Central Processing Unit) The microprocessor which executes programs on your computer. page determines which 16K block of the first 128K of physical memory will be mapped at B800h by the hardware the CRT page determines the start address of the memory used by the video controller SeeAlso: AX=0580h