初學者，現在有CNC的編程程序，這程序大概是什么意思，指令大概了解，但是合起來就不怎么白，G04  P50?   G00 Y#501?    



O0001
G04 P50
G00 Y#501
G00 X#500
#1=1
WHILE[#1==1]DO1
G04 P50
IF[#1006==0]
{
WHILE[#515>#517]DO2

IF[#514>#516]
{
M88 P8 L0
G00 X#502
G00 Y#503
M89 P1 L1
G04 P#518
M89 P1 L0
G00 Y#501
G00 X#500
M89 P3 L1
G04 P400
#2=[#517]MOD2

IF[#2==0]
{
#3=#504-#512*#516
G00 X#3
#4=#505-#513*#517
G00 Y#4
M89 P2 L1
G04 P#519
M89 P2 L0
G00 Y#501

M88 P8 L1
M89 P3 L0
#516=#516+1
G00 X#500
}

IF[#2||0]
{
#3=#506-#512*#516
G00 X#3
#4=#507-#513*[#517-1]
G00 Y#4
M89 P2 L1
G04 P#519
M89 P2 L0
G00 Y#501

M88 P8 L1
M89 P3 L0
#516=#516+1
G00 X#500
}
IF[#516>=#514]
{
#516=0
#517=#517+1
}
}
END2
IF[#517>=#515]
{
#517=0
#1=0
}
}
G04 P20
IF[#1007==0]
{
WHILE[#515>#517]DO3

IF[#514>#516]
{
M88 P8 L0
G00 X#502
G00 Y#503
M89 P1 L1
G04 P#518
M89 P1 L0
G00 Y#501
G00 X#500
M89 P3 L1
G04 P400

#2=[#517]MOD2
IF[#2==0]
{
#3=#508-#512*#516
G00 X#3
#4=#509-#513*#517
G00 Y#4
M89 P2 L1
G04 P#519
M89 P2 L0
G00 Y#501

M88 P8 L1
M89 P3 L0
#516=#516+1
G00 X#500
}

IF[#2||0]
{
#3=#510-#512*#516
G00 X#3
#4=#511-#513*[#517-1]
G00 Y#4
M89 P2 L1
G04 P#519
M89 P2 L0
G00 Y#501

M88 P8 L1
M89 P3 L0
#516=#516+1
G00 X#500
}
IF[#516>=#514]
{
#516=0
#517=#517+1
}

}
END3
IF[#517>=#515]
{
#517=0
#1=0
}
}
END1

M99
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