想把深入浅出关于自由口通讯的例子发送和接收放在同一个项目里，一直做不好，请帮忙看看怎么改。
main
network1
LD SM0.7
EU
O SM0.1
CALL SBR_0:SBR0
network2
LD SM0.7
ED
CALL SBR_1:SBR1
SBR_0
network1
LD SM0.0
MOVB 16#09, SMB30
MOVB 16#B0, SMB87
MOVB 16#0D, SMB89
MOVW 5, SMW90
MOVB 50, SMB94
ATCH INT_0:INT0, 23
ENI
RCV VB100, 0
network2
LD SM0.0
MOVB 10, SMB34
ATCH INT_1:INT1, 9
ENI
SBR_2
network1
LD SM0.0
MOVB 16#08, SMB30
INT_0
network1
LD SM0.0
S SM87.7, 1
MOVB VB101, QB0
RCV VB100, 0
INT_1
network1
LD SM0.0
R SM87.7, 1
RCV VB100, 0
MOVB 4, VB200
MOVB QB0, VB201
MOVB 16#0D, VB202
XMT VB200, 0