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Copy pathsimpleLib.asm
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simpleLib.asm
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.macro syscall %n
li a7, %n
ecall
.end_macro
.macro exit %ecode
li a0, %ecode
syscall 93
.end_macro
.macro sbrk
syscall 9
.end_macro
.macro readch
syscall 12
.end_macro
.macro printch
syscall 11
.end_macro
.macro print_str
syscall 4
.end_macro
.macro print_int
syscall 1
.end_macro
.macro println
mv t6, a0
li a0, 10
syscall 11
mv a0, t6
.end_macro
.macro error %str
.data
str: .asciz %str
.text
la a0, str
syscall 4
exit 1
.end_macro
.macro print_str %str
.data
str: .asciz %str
.text
la a0, str
syscall 4
.end_macro
.macro print_int %int
.text
li a0, %int
syscall 1
.end_macro
.macro swap %r1 %r2
mv t0, %r1
mv %r1, %r2
mv %r2, t0
.end_macro
.macro push1 %r1
addi sp, sp, -4
sw %r1, 0(sp)
.end_macro
.macro push2 %r1 %r2
addi sp, sp, -8
sw %r1, 0(sp)
sw %r2, 4(sp)
.end_macro
.macro push3 %r1 %r2 %r3
addi sp, sp, -12
sw %r1, 0(sp)
sw %r2, 4(sp)
sw %r3, 8(sp)
.end_macro
.macro push4 %r1 %r2 %r3 %r4
addi sp, sp, -16
sw %r1, 0(sp)
sw %r2, 4(sp)
sw %r3, 8(sp)
sw %r4 12(sp)
.end_macro
.macro pop1 %r1
lw %r1, 0(sp)
addi sp, sp, 4
.end_macro
.macro pop2 %r1 %r2
lw %r2, 4(sp)
lw %r1, 0(sp)
addi sp, sp, 8
.end_macro
.macro pop3 %r1 %r2 %r3
lw %r3 8(sp)
lw %r2 4(sp)
lw %r1, 0(sp)
addi sp, sp, 12
.end_macro
.macro pop4 %r1 %r2 %r3 %r4
lw %r4 12(sp)
lw %r3 8(sp)
lw %r2 4(sp)
lw %r1, 0(sp)
addi sp, sp, 16
.end_macro