}
	*asm = append(*asm,
		uint8(op>>8),
		(uint8(r1_m1)<<4)|(uint8(op)&0x0F),
		uint8(i2_ri2>>24),
		uint8(i2_ri2>>16),
		uint8(i2_ri2>>8),
		uint8(i2_ri2))
}

func zRIS(op, r1, m3, b4, d4, i2 uint32, asm *[]byte) {
	*asm = append(*asm,
		uint8(op>>8),
		(uint8(r1)<<4)|uint8(m3&0x0F),
		(uint8(b4)<<4)|(uint8(d4>>8)&0x0F),
		uint8(d4),
		uint8(i2),
		uint8(op))
}