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TMXR: Properly report SCPE_STALL when transmit buffer is full

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This commit is contained in:
Mark Pizzolato 2020-09-27 09:38:10 -07:00
parent 55f0dd7369
commit 06c878b96a
1 changed files with 2 additions and 1 deletions
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3
sim_tmxr.c
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@ -2318,7 +2318,8 @@ tmxr_debug_trace_line (lp, "tmxr_putc_ln()");
if ((lp->xmte == 0) && (TXBUF_AVAIL(lp) > 1) && if ((lp->xmte == 0) && (TXBUF_AVAIL(lp) > 1) &&
((lp->txbps == 0) || (lp->txnexttime <= sim_gtime ()))) ((lp->txbps == 0) || (lp->txnexttime <= sim_gtime ())))
lp->xmte = 1; /* enable line transmit */ lp->xmte = 1; /* enable line transmit */
if ((lp->txbfd && !lp->notelnet) || (TXBUF_AVAIL(lp) > 1)) {/* room for char (+ IAC)? */ if ((lp->conn && (TXBUF_AVAIL(lp) > 1)) || /* connected and room for char (+ IAC)? OR */
(!lp->conn && !lp->notelnet && lp->txbfd)) { /* not connected and buffered ? */
if ((TN_IAC == (u_char) chr) && (!lp->notelnet)) /* char == IAC in telnet session? */ if ((TN_IAC == (u_char) chr) && (!lp->notelnet)) /* char == IAC in telnet session? */
TXBUF_CHAR (lp, TN_IAC); /* stuff extra IAC char */ TXBUF_CHAR (lp, TN_IAC); /* stuff extra IAC char */
TXBUF_CHAR (lp, chr); /* buffer char & adv pointer */ TXBUF_CHAR (lp, chr); /* buffer char & adv pointer */