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PDP11, Unibus & Qbus VAX: Fix DZ Device transmit interrupt line signaling

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As reported in #782
This commit is contained in:
Mark Pizzolato 2020-02-09 07:15:28 -08:00
parent d00c1d4540
commit 8e44ddec6f
1 changed files with 5 additions and 4 deletions
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9
PDP11/pdp11_dz.c
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@ -535,7 +535,6 @@ switch ((PA >> 1) & 03) { /* case on PA<2:1> */
c = sim_tt_outcvt (dz_tdr[dz], TT_GET_MODE (dz_unit[0].flags));
if (c >= 0) { /* store char */
tmxr_putc_ln (lp, c);
dz_update_xmti ();
sim_activate_after_abs (&dz_unit[1], lp->txdeltausecs);
}
}
@ -669,7 +668,7 @@ for (dz = 0; dz < dz_desc.lines/DZ_LINES; dz++) { /* loop thru muxes */
j = (j + 1) & DZ_LNOMASK; /* next line */
line = (dz * DZ_LINES) + j; /* get line num */
if ((linemask & (1 << j)) && /* if enabled && */
(1 == tmxr_txdone_ln (&dz_ldsc[line]))) { /* done just now */
tmxr_txdone_ln (&dz_ldsc[line])) { /* done */
CSR_PUTTL (dz_csr[dz], j); /* put ln in csr */
dz_csr[dz] |= CSR_TRDY; /* set xmt rdy */
break;
@ -723,7 +722,8 @@ void dz_clr_txint (int32 dz)
dz_txi = dz_txi & ~(1 << dz); /* clr mux xmt int */
if (dz_txi == 0) /* all clr? */
CLR_INT (DZTX);
else SET_INT (DZTX); /* no, set intr */
else
SET_INT (DZTX); /* no, set intr */
return;
}
@ -731,7 +731,8 @@ void dz_set_txint (int32 dz)
{
dz_txi = dz_txi | (1 << dz); /* set mux xmt int */
SET_INT (DZTX); /* set master intr */
sim_debug(DBG_INT, &dz_dev, "dz_set_txint(dz=%d)\n", dz);
sim_debug(DBG_INT, &dz_dev, "dz_set_txint(dz=%d) CSR: ", dz);
sim_debug_bits(DBG_INT, &dz_dev, dz_csr_bits, dz_csr[dz], dz_csr[dz], TRUE);
return;
}