d 4 400
d 6 4
d 10 500
d 12 10
d -m 400 halt
d -m 402 rti
d -m 500 halt
d -m 502 rti
d -m 1000 mov #400,SP
d 1004 10
d -m 1006 halt
g 1000
e ksp
e 370-376