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Some cars are electric and I have seen some that burn wood to make steam. I have a small wind up car. There are cars that start at the top of a hill and gravity pulls them down hill. Some cars don't go anywhere. Some only go on steal rails. Some go underground. There are some types made to be pulled by a horse. And yet some people keep asking what makes a car go.It is like if you asked if cars use gasoline or diesel. It's impossible to tell, because some cars use gasoline and others use diesel.
thanks for help I am asking about 8051 , when will ram memory use after decoding instruction or before decoding instruction. my main confusen is that I didn't understand when does processor used both memory. In your example where does we use Ram memory can you explain little bit with this example .This depends on what computer you are using!!!
Assume 8 bit Instructions, 8 bit data, MovA, #2 means move this data to A.
Mov A, #2
Mov R1, #3
Add A, R1
8000 01 Instruction
8001 02 data
8002 1o Instruction
8003 03 data
8004 05 Instruction
There are many different types of moves:
Move this data #2: A=2
Move data at address 2: (8 bit) address 0002=5, now A=5
Move data at address 1020 (16 bit) address 1020=7, now A=7
Move data pointed at by (data pointer 2)
ok that means
port p0 is high , SETB , P0
clear port P1 CLEAR P1
for this two instruction ROM address will be used?
can we say that rom memory may be used ?
mov A, R1
mov A, R2
for this two instruction ram location will be used?
can we say ram memory may be used for this two Instruction ?