ASY_ACR
asy_put(asy, ASY_ACR, asy->asy_acr);
asy_get(asy, ASY_ACR));
[ASY_ACR] = { ASY_16950, 0, asy_get_idx, asy_put_idx },
ASSERT(reg >= ASY_ACR);
ASSERT(reg >= ASY_ACR);
asy_put(asy, ASY_ACR, ASY_ACR_ICR | asy->asy_acr);
asy_put(asy, ASY_ACR, asy->asy_acr);
asy_put(asy, ASY_ACR, ASY_ACR_ASR | asy->asy_acr);
asy_put(asy, ASY_ACR, asy->asy_acr);
asy_put(asy, ASY_ACR, ASY_ACR_ASR | asy->asy_acr);
asy_put(asy, ASY_ACR, 0 | asy->asy_acr);