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Fix DZ issue which didn't report modem bits to the host unless the attach was made with -M.

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This commit is contained in:
Mark Pizzolato
2013-01-23 19:33:42 -08:00
parent e6eae9194f
commit f4dd30709f
2 changed files with 24 additions and 24 deletions
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25
PDP11/pdp11_dz.c
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@@ -337,20 +337,19 @@ switch ((PA >> 1) & 03) { /* case on PA<2:1> */
break;
case 03: /* MSR */
if (dz_mctl)
for (i=0; i<DZ_LINES; ++i) { /* Gather line status bits for each line */
int line;
int32 modem_bits;
TMLN *lp;
line = (dz * DZ_LINES) + i;
lp = &dz_ldsc[line]; /* get line desc */
tmxr_set_get_modem_bits (lp, 0, 0, &modem_bits);
for (i=0; i<DZ_LINES; ++i) { /* Gather line status bits for each line */
int line;
int32 modem_bits;
TMLN *lp;
line = (dz * DZ_LINES) + i;
lp = &dz_ldsc[line]; /* get line desc */
tmxr_set_get_modem_bits (lp, 0, 0, &modem_bits);
dz_msr[dz] &= ~((1 << (MSR_V_RI + i)) | (1 << (MSR_V_CD + i)));
dz_msr[dz] |= ((modem_bits&TMXR_MDM_RNG) ? (1 << (MSR_V_RI + i)) : 0) |
((modem_bits&TMXR_MDM_DCD) ? (1 << (MSR_V_CD + i)) : 0);
}
dz_msr[dz] &= ~((1 << (MSR_V_RI + i)) | (1 << (MSR_V_CD + i)));
dz_msr[dz] |= ((modem_bits&TMXR_MDM_RNG) ? (1 << (MSR_V_RI + i)) : 0) |
((modem_bits&TMXR_MDM_DCD) ? (1 << (MSR_V_CD + i)) : 0);
}
*data = dz_msr[dz];
break;
}