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SEL32: Change code to write line to lp all at once.

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Also remove unwanted code.
This commit is contained in:
James C. Bevier 2019-07-17 21:39:18 -04:00 committed by Richard Cornwell
parent c824c6e985
commit b35dc09b54
1 changed files with 2 additions and 56 deletions
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58
SEL32/sel32_lpr.c
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@ -319,20 +319,8 @@ t_stat lpr_srv(UNIT *uptr) {
}
}
#ifdef OLDWAY
/* Copy next byte from users buffer */
if ((uptr->u3 & LPR_FULL) == 0) { /* copy in a char if not full */
if(chan_read_byte(chsa, &lpr_data[u].lbuff[uptr->u6])) {
uptr->u3 |= LPR_FULL; /* end of buffer or error */
} else {
sim_activate(uptr, 20); /* got a char, wait for a while */
uptr->u6++; /* next buffer loc */
return SCPE_OK; /* done til next char */
}
}
#else
/* Copy next byte from users buffer */
while ((uptr->u3 & LPR_FULL) == 0) { /* copy in a char if not full */
while ((uptr->u3 & LPR_FULL) == 0) { /* copy in a char if not full */
if(chan_read_byte(chsa, &lpr_data[u].lbuff[uptr->u6])) {
uptr->u3 |= LPR_FULL; /* end of buffer or error */
break; /* done reading */
@ -340,7 +328,6 @@ t_stat lpr_srv(UNIT *uptr) {
uptr->u6++; /* next buffer loc */
}
}
#endif
/* process any CC after printing buffer */
if ((uptr->u3 & LPR_FULL) && (uptr->u3 & LPR_POST) && ((cmd & 0x0f) == 0x0d)) {
@ -391,53 +378,14 @@ t_stat lpr_srv(UNIT *uptr) {
chan_end(chsa, SNS_DEVEND|SNS_CHNEND|SNS_UNITEXP); /* we are done */
} else
chan_end(chsa, SNS_DEVEND|SNS_CHNEND); /* we are done */
#if 0 /* done, so no time out */
#ifdef OLDWAY
sim_activate(uptr, 3000); /* wait a long time for next look */
#else
/* 600 lpm lp does 10 lines / sec, so 100ms wait*/
sim_activate(uptr, 100); /* wait a time for next look */
#endif
#endif
/* done, so no time out */
return SCPE_OK;
}
/* should not get here */
sim_activate(uptr, 20); /* got a char, wait for a while */
return SCPE_OK;
}
/* print a line to the "printer" */
void print_line(UNIT *uptr)
{
char out[150]; /* Temp conversion buffer */
int i;
int u = (uptr - lpr_unit);
/* Try to convert to text */
memset(out, ' ', sizeof(out));
/* Scan each column */
for (i = 0; i < uptr->u6; i++) {
int ch = lpr_data[u].lbuff[i];
if (!isprint(ch)) /* make sure char is printable */
ch = '.'; /* not printable, make it a '.' */
out[i] = ch; /* save to buffer */
}
for (--i; i > 0 && out[i] == ' '; i--) /* Trim trailing spaces */
;
out[++i] = '\r'; /* output CR, LF. NULL */
out[++i] = '\n';
out[++i] = '\0';
sim_fwrite(&out, 1, i, uptr->fileref); /* Print our buffer */
sim_debug(DEBUG_DETAIL, &lpr_dev, "%s", out);
memset(&lpr_data[u].lbuff[0], 0, 144); /* clear the output buffer */
}
/* Set the number of lines per page on printer */
t_stat lpr_setlpp(UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
@ -484,8 +432,6 @@ t_stat lpr_attach(UNIT * uptr, CONST char *file)
/* detach a file from the line printer */
t_stat lpr_detach(UNIT * uptr)
{
if (uptr->u3 & LPR_FULL)
print_line(uptr);
return detach_unit(uptr);
}