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diff --git a/libpsn00b/psxapi/sys/entercriticalsection.s b/libpsn00b/psxapi/sys/entercriticalsection.s
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+.set noreorder
+.section .text
+
+.global EnterCriticalSection
+.type EnterCriticalSection, @function
+EnterCriticalSection:
+ addiu $a0, $0, 1
+ syscall 0
+ jr $ra
+ nop
+ \ No newline at end of file