+static uint64_t mos6522_pmu_read(void *opaque, hwaddr addr, unsigned size)
+{
+ PMUState *s = opaque;
+ MOS6522PMUState *mps = &s->mos6522_pmu;
+ MOS6522State *ms = MOS6522(mps);
+
+ addr = (addr >> 9) & 0xf;This 9 should be replaced with a macro that communicates what this value means.
