PROGRAM DEVELOPMENT MANUAL
COMMUNICATION BOARD通信板?/通讯板?
format the frame
DLE DOUBLING
fields
transaction number
block check character(BCC)
SIZE尺寸?
level层面?
float不是“漂浮”
protected typed logical read with three address fields
slot槽孔?
call 呼叫?
valid files 有效文件?
slot address
channel?
COMMUNICATION COMMAND?通讯命令?
WORD RANGE READ
CONTROL BLOCK LENGTH
address past “end of memory”?
data size
block high-level