📄 da_conv.asm
字号:
org 0000h
ajmp dapro
org 100h
dapro: mov a,#19h ;X10
mov 51h,a
mov a,#0ah
mov 50h,a
mov dptr, #7fffh
mov a,51h
movx @dptr,a
mov dptr,#3fffh
mov a,50h
movx @dptr,a
mov dptr,#1fffh
mov a,50H
movx @dptr,a
acall delay
mov a,#02h ;X10
mov 51h,a
mov a,#09h
mov 50h,a
mov dptr, #7fffh
mov a,51h
movx @dptr,a
mov dptr,#3fffh
mov a,50h
movx @dptr,a
mov dptr,#1fffh
mov a,50H
movx @dptr,a
acall delay
ajmp dapro
delay:mov r3,#250
d3: mov r4,#100
d2: mov r5,#200
d1: nop
nop
djnz r5,d1
djnz r4,d2
djnz r3,d3
ret
end
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