MIPS and SPIM tutorial

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array.s Shif Left Logical: sll Multiply by 4 is equivalent to shift left 2 bits. .data NL: .asciiz "\n" SIZE: .word 10 ARRAY: .word 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 .text .globl main main: add $t0, $zero, $zero # array index i la $t1, ARRAY lw $t2, SIZE loop: beq $t0, $t2, done # for e in ARRAY sll $t4, $t0, 2 # offset = 4*i add $t3, $t1, $t4 # addr = ARRAY + offset lw $a0, 0($t3) # e = ARRAY[i] li $v0, 1 # print e syscall li $v0, 4 # print \n la $a0, NL syscall addi $t0, $t0, 1 # next element j loop done: jr $ra
When you run this program, a console will pop up. All the numbers in the array are printed. A new line separate each number.
Page 1 and 2: MIPS and SPIM tutorial Part Four: S
Page 3 and 4: .asciiz A directive that stores a N
Page 5 and 6: Load Byte: lb Ok, just like Load Wo
Page 7 and 8: The label STR is refering to the ad
Page 9 and 10: Load Byte $t2 is 0x00000061 The con
Page 11 and 12: Load Byte $t4 is 0x00000063 The con
Page 13 and 14: Word stored in $t1 Character ’d
Page 15 and 16: x68 1 Word Character ’d’ ’c
Page 17 and 18: A MIPS processor can be configured
Page 19 and 20: When you run this program, a consol
Page 21 and 22: loop.s .text .globl main main: add
Page 23 and 24: loop.s .text .globl main main: add
Page 25 and 26: Load the source file loop.s
Page 27 and 28: Machine Instruction: 0x11100006 Hex
Page 29 and 30: When you run this program, a consol
Page 31 and 32: if_then_else.s Branch Not Equal: bn
Page 33 and 34: array.s ARRAY is a label, i.e, the
Page 35 and 36: array.s ARRAY: .word 1 1 2 3 5 8 13
Page 37: Example: 5 10 = 00101 2 A clever wa
Page 41 and 42: array_of_string.s Declear three str
Page 43 and 44: array_of_string.s (text segment par
Page 45 and 46: ASCII(’h’) = 0x68 ASCII(’e’
Page 47: You are now done with part four of

MIPS and SPIM tutorial

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