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TMXR: Describe TMXR API a little better

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This commit is contained in:
Mark Pizzolato 2018-06-19 22:05:12 -07:00
parent 775d9f2453
commit 53792d6261
2 changed files with 9 additions and 8 deletions
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doc/simh.doc
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sim_tmxr.c
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@ -1749,7 +1749,8 @@ return r;
Inputs:
*lp = pointer to terminal line descriptor
Output:
valid + char, 0 if line
(TMXR_VALID | char) or 0 if no data is currently available
on the specified line.
Implementation note:
@ -1758,11 +1759,6 @@ return r;
SCPE_BREAK is ORed into the return value.
*/
int32 tmxr_input_pending_ln (TMLN *lp)
{
return (lp->rxbpi - lp->rxbpr);
}
int32 tmxr_getc_ln (TMLN *lp)
{
int32 j;
@ -2111,8 +2107,6 @@ for (i = 0; i < mp->lines; i++) { /* loop thru lines */
}
/* Return count of available characters for line */
int32 tmxr_rqln_bare (const TMLN *lp, t_bool speed)
{
if (speed) {
@ -2132,11 +2126,18 @@ if (speed) {
return (lp->rxbpi - lp->rxbpr + ((lp->rxbpi < lp->rxbpr)? lp->rxbsz: 0));
}
/* Return count of available characters ready to be read for line */
int32 tmxr_rqln (const TMLN *lp)
{
return tmxr_rqln_bare (lp, TRUE);
}
int32 tmxr_input_pending_ln (TMLN *lp)
{
return (lp->rxbpi - lp->rxbpr);
}
/* Store character in line buffer