L MB 50
T #TEMP0
SET
SAVE
CLR
A BR
= L 1.0
A(
A L 1.0
A(
L #TEMP0
L 0
==I
)
JNB M001
// L 0
//T MB 52
SET
SAVE
CLR
M001: A BR
)
JNB M002
L 0
T MB 54
SET
SAVE
CLR
M002: A BR
= "M3.0"
A L 1.0
A(
L #TEMP0
L 1
==I
)
= "M3.1"
A L 1.0
A(
L #TEMP0
L 2
==I
)
= "M3.3"
A L 1.0
A(
L #TEMP0
L 3
==I
)
= "M3.4"
这个BR=1或=0对什么起作用 对哪些命令有用 再怎么检测它为1为0