Assembly Language Simon Says game the random number is now displayed on the the

Question

Assembly Language

Simon Says game the random number is now displayed on the the dual seven display (see problem four above) in hexadecimal. The user should then enter then the number displayed in binary via the switches on the switch light box. The program should allow the user a limited amount of time to enter the number. After each correct entry the program should display another random binary number on the the dual seven display and decrease the amount of time the user has to enter the next number. If the user is timed out before the correct number is entered, the program should alert the user of the error by sounding the buzzer, and restarting the game.

Explanation / Answer

Following code might help you to write your own code...

org 0x00
ljmp start

delay:
mov r3,#0x08
mov r4,#0x0
mov r5,#0x0
loop:
djnz r5, loop
djnz r4, loop
djnz r3, loop
RET

start:
mov P0,#0xFF
s1:
mov r1 , #0x00
s2:
mov a,r1
inc r1
mov dpl,#TBL
movc a ,@a+dptr
mov P0,a
lcall delay
cjne r1,#0x10,s2
ljmp s1

TBL: DB 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E
end

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