-u 100 l 10
2B03:0100 A12C00            mov     ax, [002C]
2B03:0103 48                dec     ax
2B03:0104 8EC0              mov     es, ax
2B03:0106 268B160300        mov     dx, [es:0003]
2B03:010B 83C212            add     dx, +12
2B03:010E 0E                push    cs
2B03:010F 07                pop     es
-u 140 l 2A
2B03:0140 B44A              mov     ah, 4A
2B03:0142 BBFFFF            mov     bx, FFFF
2B03:0145 CD21              int     21
2B03:0147 B44A              mov     ah, 4A
2B03:0149 29D3              sub     bx, dx
2B03:014B 90                nop
2B03:014C CD21              int     21
2B03:014E B8004B            mov     ax, 4B00
2B03:0151 BA0002            mov     dx, 0200
2B03:0154 BB0003            mov     bx, 0300
2B03:0157 8C4F04            mov     [bx+04], cs
2B03:015A 8C4F08            mov     [bx+08], cs
2B03:015D 8C4F0C            mov     [bx+0C], cs
2B03:0160 CD21              int     21
2B03:0162 90                nop
2B03:0163 CC                int3
2B03:0164 90                nop
2B03:0165 B8004C            mov     ax, 4C00
2B03:0168 CD21              int     21
-dz 200
int3.com
-dw 300 l E
header     0    2    4    6    8    A    C    E    0123456789ABCDEF
2B03:0300  0000 0080 0000 005C-0000 006C 0000      ......\...l...
-