#config weapon=0
#config scanner=0
#config engine=5
#config heatsinks=0
#config mines=5
#config armor=2

mov dx, 24
opo 18, 1
!loop
opo 11, 100
del 50
int 12
cmp fx, 0
je !nocoll
opo 14, 128
del 30
opo 11, 100
int 13
!nocoll
ipo 10, ax
and ax, 128
dec ax, 255
opo 14, ax
ipo 9, bx
cmp bx, 250
jgr !loop
ipo 10, ax
and ax, 10
add ax, 5
cmp dx, 0
je !loop
err ax
opo 22, ax
jmp !loop