Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Configure port A for the lower 4 bits to be inputs and the upper 4 bits to be outputs. The program should chase a logic one from Pa4 -> Pa7, depending upon the condition of Pa0-Pa3 the speed of chase is increased.
Pa0 = 1 Slow Counter Pa1 = 1 Counter Pa2 = 1 Counter Pa3 = 1 Fast Counter If all Pa0, Pa1, Pa2, Pa3 = 0 wait The only major difference is the data direction i.e. this configures 4 input lines Pa0-Pa3 and 4 output lines Pa4-Pa7
Paddr Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 1 1 1 1 0 0 0 0 The full program is shown below
name first padr equ $0000 paddr equ $0001 org $500 ldaa #$f0 staa paddr set up half in and half out loop0 ldaa #$10 staa padr send data jsr delay ldaa #$20 staa padr send data jsr delay ldaa #$40 staa padr send data jsr delay ldaa #$80 staa padr send data jsr delay jmp loop0 delay ldab padr ;get input from port a andb #$0f ;mask of lower nibble only
beq delay ;repeat till selected ldab padr ;get port a data again andb #$8 ; mask off bit 3 pa3 bne loop3 ;if select go to loop3 ldab padr ;get port a data again andb #$4 ; mask off bit 2 pa2 bne loop4 ;if select go to loop4 ldab padr ;get port a data again andb #$2 ; mask off bit 1 pa1 bne loop5 ;if select go to loop5 ldx #$ffff ;assume pa0 is pressed load up x with ffff jmp loop1 ;carry on loop2 ldx #$1 ;load up X with 1 fast jmp loop1 ;carry on loop3 ldx #$f ;load X with f jmp loop1 loop4 ldx #$ff ;load x with ff jmp loop1 loop5 ldx #$fff ;load x with fff slow loop1 ldab #$1f ;nested loop loop6 decb bne loop6 dex bne loop1 ;loop till zero rts ;return back to main end
LAN is a privately - owned computer networks confined to small geographical area, like a factory or an office widely used to connect office PCs to share resources and information.
every source is coherent source-justify it?
First-Order Logic We, as humans, have always prided ourselves on our ability to think things through for this reason things are out and come to the only conclusion possible in
As demonstrated in a simple manner in my Animated Tiles example, the purpose of this assignment is to use jQuery animations to develop a simple puzzle using DIV tags and styles. C
Explain the System Design of Object oriented modelling System Design : At this stage, the whole system model is designed. This is the phase where the complete system is divi
Cache Misses Compulsory misses - it is caused by initial access to a block that has never been in the cache (also called cold start misses Capacity miss - it is cause
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Write an application that prints the hundreds digit in two integers read from the keyboard. For example if the data values are 1456 and 255 respectably, output should include the
Evolutionary approaches boil down - artificial intelligence: In fact as we will see whether evolutionary approaches boil down to like (i) just to identify how to represent pos
What is data hazard? Any condition that causes the pipeline to stall is known as a hazard. A data hazard is any condition in which either the source or destination operands of
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd