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Question 11.26: (a) Write a program to read 200 bytes of data from P1 and sa...

(a) Write a program to read 200 bytes of data from P1 and save the data in external RAM starting at RAM location 5000H.
(b) What is the address space allocated to data RAM in Figure 14-15?

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(a)
RAMDATA   EQU   5000H
COUNT        EQU    200

MOV    DPTR,#RAMDATA
MOV    R3,#COUNT

AGAIN:         MOV    A,P1

MOVX  @DPTR,A
ACALL  DELAY
INC       DPTR
DJNZ   R3,AGAIN

HERE:          SJMP  HERE

(b) The data address space is 8000H to BFFFH.

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