tnt_readb
bcsr_bits = tnt_readb(tnt_priv, BSR);
status2 = tnt_readb(tnt_priv, STS2);
status2 = tnt_readb(tnt_priv, STS2);
status1 = tnt_readb(tnt_priv, STS1);
sasr_bits = tnt_readb(tnt_priv, SASR);
buffer[count++] = tnt_readb(tnt_priv, FIFOB);
status2 = tnt_readb(tnt_priv, STS2);
count |= tnt_readb(tnt_priv, CNT0) & 0xff;
count |= (tnt_readb(tnt_priv, CNT1) << 8) & 0xff00;
count |= (tnt_readb(tnt_priv, CNT2) << 16) & 0xff0000;
count |= (tnt_readb(tnt_priv, CNT3) << 24) & 0xff000000;
isr0_bits = tnt_readb(priv, ISR0);
isr3_bits = tnt_readb(priv, ISR3);
line_status = tnt_readb(priv, BSR);
tnt_readb(tnt_priv, IMR0);
tnt_readb(tnt_priv, IMR3);
tnt_readb(tnt_priv, ISR0);
switch (tnt_readb(tnt_priv, CSR) & 0xf0) {