H1_REG_INTERRUPT
status = vepu_read(vpu, H1_REG_INTERRUPT);
vepu_write(vpu, 0, H1_REG_INTERRUPT);
vepu_write(vpu, H1_REG_INTERRUPT_DIS_BIT, H1_REG_INTERRUPT);
status = vepu_read(vpu, H1_REG_INTERRUPT);
vepu_write(vpu, H1_REG_INTERRUPT_BIT, H1_REG_INTERRUPT);