.org $0000
cps
lda #$01
lsl #$1
bcs $13
jmp $3
lda.q #$8000000000000000
lsr #$1
bcs $1
jmp $1D
.org $8000
cps
lda #$01
lsl #$1
bcs $8013
jmp $8003
lda.q #$8000000000000000
lsr #$1
bcs $8001
jmp $801D

.org $FF50
.qword $8000
.org $0
done