org 0000h start: mov a,#0ffh mov p1,a ;set port p1 to high level mov p2,a ;set port p2 to high level mov r2,#0fehmov r3,#0h next: mov a,p2 ;check if key is pressed cjne a,#0ffh,dlay0 ljmp next dlay0:
[align=left][backcolor=rgb(239, 245, 249)]PLC systems consist of power supplies, CPUs, and multiple analog and digital I/O modules to control, execute, and monitor complex machine variables. PLCs are
Five stories that mature men must read1. Different situations A piglet, a sheep and a cow were kept in the same pen. Once, the shepherd caught the piglet, and the piglet screamed loudly and resisted
The Museum of the Bible (MotB) in Washington, D.C., brings the history, impact, and story of the Bible to life. Using cutting-edge technology, the MotB experience is unlike any other museum in the wor
Look at the following program. What is the writing method of "u8 Dat2: 7;" and what does it mean? How can the structure be assigned values in this way?
typedef struct {// u32 Dat : 23;// u32 S : 1;u8