MIPS Architecture Memory and Register Organisation

MIPS Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIPS Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIPS Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIPS Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],IF num < 0 then num = - num ENDIF IF temperature >= 25 then activity = “go swimming” else activity = “ride bicycle” endif print (activity) lw $t0, num bgez $t0, endif0 # must be ltz ----- sub $t0, $0, $t0 # 0 - num sw $t0, num endif0: # num is now non-negative lw $t0, temperature blt $t0, 25, else25 la $a0, swim j endif25 else25: la $a0, cycle endif25: li $v0, 4 # print string call code syscall Note: “branch around” and jump ins needed before else

Basic Assembly Language Instructions ,[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],sum = 0 num = 0 WHILE num >= 0 DO sum = sum + num read (num) ENDWHILE (write 10 lines) FOR countdown = 10 downto 1 DO print “Hello again …” ENDFOR mov $t0, $0 # sum = 0 mov $v0, $0 # num = 0 while5: bltz $v0, endwhile5 # $v0 < 0? add $t0, $v0 #$v0 switches role here li $v0, 5 # read int call syscall j while5 endwhile5: # set up print arguments before loop la $a0, hello_again li $v0, 4 # print string call li $t0, 10 # countdown for10: beqz $t0, endfor10 syscall # print another line sub $t0, 1 # decr countdown j for10 # continue for loop endfor10

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Assembly Language Instructions ,[object Object],[object Object],[object Object],[object Object],[object Object]

MIPS Architecture Memory and Register Organisation

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MIPS Architecture Memory and Register Organisation