static void md_attr_write(PCMCIACardState *card, uint32_t at, uint8_t value)
{
MicroDriveState *s = MICRODRIVE(card);
at -= s->attr_base;
switch (at) {
case 0x00: /* Configuration Option Register */
s->opt = value & 0xcf;
if (value & OPT_SRESET) {
device_reset(DEVICE(s));
}
md_interrupt_update(s);
break;
case 0x02: /* Card Configuration Status Register */
if ((s->stat ^ value) & STAT_PWRDWN) {
s->pins |= PINS_CRDY;
}
s->stat &= 0x82;
s->stat |= value & 0x74;
md_interrupt_update(s);
/* Word 170 in Identify Device must be equal to STAT_XE */
break;
case 0x04: /* Pin Replacement Register */
s->pins &= PINS_CRDY;
s->pins |= value & PINS_MRDY;
break;
case 0x06: /* Socket and Copy Register */
break;
default:
printf("%s: Bad attribute space register %02x\n", __func__, at);
}
}
static void md_set_irq(void *opaque, int irq, int level)
{
MicroDriveState *s = opaque;
if (level)
s->stat |= STAT_INT;
else
s->stat &= ~STAT_INT;
md_interrupt_update(s);
}
