CS作业代写 KEYBOARD_EVENT_PENDING:

KEYBOARD_EVENT_PENDING:
KEYBOARD_EVENT:
.word 0x0
KEYBOARD_COUNTS:

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.space 128
.asciiz “\n”
.asciiz ” ”

.eqv LETTER_a 97
.eqv LETTER_b 98
.eqv LETTER_c 99
.eqv LETTER_D 100
.eqv LETTER_space 32

# STUDENTS MAY MODIFY CODE BELOW
# vvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

check_for_event:
la $s0, KEYBOARD_EVENT_PENDING
lw $s1, 0($s0)
beq $s1, $zero, check_for_event

.ktext 0x80000180
__kernel_entry:

__exit_exception:

# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
# STUDENTS MAY MODIFY CODE ABOVE

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