.set noreorder .include "hwregs_a.h" .section .data .global SpuSetKey .type SpuSetKey, @function SpuSetKey: # a0 - 0: key off, 1: key on # a1 - Voice bit mask lui $a2, IOBASE beqz $a0, .Lkey_off nop jr $ra sw $a1, SPU_KEY_ON($a2) .Lkey_off: jr $ra sw $a1, SPU_KEY_OFF($a2)