color coding in ASCII

Dear friends i am new on assembly language please writer the codes for these questions so that i can understand the assembly language more breifly. Thanks

1.      Write ‘A’ with white foreground and blue background color. (ASCII code of ‘A’ is 0x41).
                        
2.      Write ‘B’ with blue foreground and white background color. (ASCII code of ‘B’ is 0x42)
 
3.      Write ‘x’ with red foreground and green background color. (ASCII code of ‘x’ is 0x78)
                         
4.      Write ‘y’ with green foreground and red background color. (ASCII code of ‘y’ is 0x79)
                           
5.      Write ‘z’ with normal attribute and blinking. (ASCII code of ‘c’ is 0x7A).
                         
An example is solved for you:
•      Write ‘blank space’ on red background color. (ASCII code of ‘blank space’ is 0x20)

Solution:
      mov ax, 0x4720
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