Assembly Langauge Display Code: Could someone please take the time out to explain what each command is and what that line(s) of code does in this case? In the pictures provided some are filled out but I don't know about the rest. Thanks!

.model smal1 .stack 100h .code main proc mov ah, 1 int 21h ; enter key routine mov cl, alsaving the key pressed from AL into CL mov ch, al mov bl, 8 my counter binloop: shl cl, 1 jc displ mov dl, 30h call disp dec bl i dec the counter by 1 jnz binloop call hex 4c00h terminate the program and return to mov ax, int 21h displ: MSDOs mov dl, 31h call disp dec bl i dec the counter by 1 jnz binloop call hex 4c00h mov ax, int 21h terminate the program and return to MSDOs hex proc mov cl, ch call shrcl mov dl, cl add dl, 30h call disp mov cl, ch call shlcl call shrcl mov dl, cl add dl, 30h call disp ret