inpd
#define GET_ISR() inpd(ISR_A)
#define GET_ISR_SMP(iop) inpd((iop)+B0_ISRC)
#define CHECK_ISR() (inpd(ISR_A) & inpd(ADDR(B0_IMSK)))
#define CHECK_ISR_SMP(iop) (inpd((iop)+B0_ISRC) & inpd((iop)+B0_IMSK))
tr = (u_short)((inpd(ADDR(B2_TI_VAL))/200) & 0xffff) ;
interval = inpd(ADDR(B2_TI_INI)) ;
time = inpd(ADDR(B2_TI_VAL)) ;
interval = inpd(ADDR(B2_TI_INI)) ;
if (inpd(ADDR(B0_IMSK)) == 0) {
if ((inpd(ISR_A) & smc->hw.is_imask) == 0) { // IRQ?