a
 mov cx, 16
 mov ah, 09
 mov dx, 100
 int 21
 loop 103
 mov ax, 4C00
 int 21
 db 0D,0A,"placeholder",0D,0A,24

a 105
 mov dx,


E:\>msdebug
MSDebug release 1 by ecm
-a
07B0:0100  mov cx, 16
07B0:0103  mov ah, 09
07B0:0105  mov dx, 100
07B0:0108  int 21
07B0:010A  loop 103
07B0:010C  mov ax, 4C00
07B0:010F  int 21
07B0:0111  db 0D,0A,"placeholder",0D,0A,24
07B0:0121
-a 105
07B0:0105  mov dx, 111
07B0:0108
-