write_via_reg
#define ADB_VIA_INTR_ENABLE() write_via_reg(VIA1, vIER, 0x84)
#define ADB_VIA_INTR_DISABLE() write_via_reg(VIA1, vIER, 0x04)
write_via_reg(VIA1, vIFR, reg & 0x7f); /* Clear 'em */
write_via_reg(VIA1, vSR, adbOutputBuffer[adbSentChars + 1]);
write_via_reg(VIA1, vSR, adbOutputBuffer[adbSentChars + 1]); /* send next byte */
write_via_reg(VIA1, vSR, adbOutputBuffer[adbSentChars + 1]); /* load byte for output */
write_via_reg(VIA1, vIFR, 0x90); /* clear interrupt */
write_via_reg(VIA1, vACR, (read_via_reg(VIA1, vACR) | 0x0c) & ~0x10);
write_via_reg(VIA1, vIER, 0x84);/* make sure VIA interrupts
write_via_reg(VIA1, vIER, 0x04);/* turn interrupts off - TO
write_via_reg(VIA1, vSR, data); /* PM_SR() = data; */
write_via_reg(VIA1, vIER, via1_vIER);
write_via_reg(VIA1, vIER, via1_vIER);
write_via_reg(VIA1, vIER, 0x10);
#define PM_VIA_INTR_ENABLE() write_via_reg(VIA1, vIER, 0x90)
#define PM_VIA_INTR_DISABLE() write_via_reg(VIA1, vIER, 0x10)
#define PM_VIA_CLR_INTR() write_via_reg(VIA1, vIFR, 0x90)
static inline void write_via_reg(int, int, int);