?? 3-9.asm
字號:
.mmregs
.def jump
.def start
k_sample_num .set 256
out_data .usect "out_vars",k_sample_num
in_data .usect "in_vars",1
d_cr0_send .usect "cr_send",1
d_cr1_send .usect "cr_send",1
d_temp .usect "temp",1
k_cr0_send .set 0080h
k_cr1_send .set 0100h
k_iptr .set 000111000b<<07
k_temp .set 1111111b
d_pmst .usect "pmst",1
.sect "prog"
start:
ldm pmst,a
and #k_temp,a
or #k_iptr,a
stl a,ar2
mvdm ar2,pmst
stm #0001h,imr
nop
nop
stm #0002h,ifr
nop
rsbx intm
nop
stm #d_temp,ar2
stm #d_cr0_send,ar1
st #k_cr0_send,*ar1+
st #k_cr1_send,*ar1
stm #d_cr0_send,ar1
ld #out_data,ar5
portr 0fffeh,*ar2
portw *ar1+,07fffh
nop
nop
nop
nop
nop
portw *ar1,07fffh
nop
nop
nop
nop
portr 0ffffh,*ar2
nop
nop
wait: nop
nop
nop
b wait
jump: rsbx xf
nop
nop
nop
portr 07fffh,*ar5
nop
nop
nop
ssbx xf
nop
nop
nop
portr 0fffeh,*ar2
nop
nop
nop
portw *ar5,0bfffh
nop
nop
nop
rete
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