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rcornwell.sims/ICL1900/icl1900_lp.c
Richard Cornwell c3490e1484 ICL1900: Remove compiler warnings.
2020-10-12 23:27:46 -04:00

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/* icl1900_lp.c: ICL1900 Line Printer simulator
Copyright (c) 2018, Richard Cornwell
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
RICHARD CORNWELL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Richard Cornwell shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Richard Cornwell
*/
#include "icl1900_defs.h"
#ifndef NUM_DEVS_LPR
#define NUM_DEVS_LPR 0
#endif
#define UNIT_V_TYPE (UNIT_V_UF + 0)
#define UNIT_TYPE (0x1f << UNIT_V_TYPE)
#define GET_TYPE(x) ((UNIT_TYPE & (x)) >> UNIT_V_TYPE)
#define SET_TYPE(x) (UNIT_TYPE & ((x) << UNIT_V_TYPE))
#define NSI_TYPE(x) ((GET_TYPE(x) & 1) == 0)
#define SI_TYPE(x) ((GET_TYPE(x) & 1) != 0)
#define LW_96(x) ((GET_TYPE(x) & 06) == 0)
#define LW_120(x) ((GET_TYPE(x) & 06) == 2)
#define LW_160(x) ((GET_TYPE(x) & 06) == 4)
#define CMD u3
#define STATUS u4
#define MOTION u5
#define AUTO 00100
#define PRINT 00040
#define QUAL 00020
#define SPACE 00010
#define TERMINATE 0001
#define OPAT 0002
#define ERROR 0004
#define BUSY 0040
#define DISC 0100
#if (NUM_DEVS_LPR > 0)
#define T1930_1 0
#define T1930_2 2
#define T1931_1 1
#define T1931_2 3
#define T1932_1 1+8
#define T1932_2 3+8
#define T1933_1 1+12
#define T1933_2 3+12
#define T1933_3 5+12
#define UNIT_LPR(x) UNIT_ADDR(x)|SET_TYPE(T1931_2)|UNIT_ATTABLE|UNIT_DISABLE
void lpr_cmd (uint32 dev, uint32 cmd, uint32 *resp);
void lpr_nsi_cmd (uint32 dev, uint32 cmd);
void lpr_nsi_status (uint32 dev, uint32 *resp);
t_stat lpr_svc (UNIT *uptr);
t_stat lpr_reset (DEVICE *dptr);
t_stat lpr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr);
CONST char *lpr_description (DEVICE *dptr);
DIB lpr_dib = { CHAR_DEV, &lpr_cmd, &lpr_nsi_cmd, &lpr_nsi_status };
UNIT lpr_unit[] = {
{ UDATA (&lpr_svc, UNIT_LPR(14), 0), 10000 },
{ UDATA (&lpr_svc, UNIT_LPR(15), 0), 10000 },
};
MTAB lpr_mod[] = {
{ UNIT_TYPE, SET_TYPE(T1930_1), "1930/1", "1930/1", NULL, NULL, NULL, "ICL 1930/1 NSI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1930_2), "1930/2", "1930/2", NULL, NULL, NULL, "ICL 1930/2 NSI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1931_1), "1931/1", "1931/1", NULL, NULL, NULL, "ICL 1931/1 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1931_2), "1931/2", "1931/2", NULL, NULL, NULL, "ICL 1931/2 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1932_1), "1932/1", "1932/1", NULL, NULL, NULL, "ICL 1932/1 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1932_2), "1932/2", "1932/2", NULL, NULL, NULL, "ICL 1932/2 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1933_1), "1933/1", "1933/1", NULL, NULL, NULL, "ICL 1933/1 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1933_2), "1933/2", "1933/2", NULL, NULL, NULL, "ICL 1933/2 SI 1000LPM printer."},
{ UNIT_TYPE, SET_TYPE(T1933_3), "1933/3", "1933/3", NULL, NULL, NULL, "ICL 1933/3 SI 1000LPM printer."},
{MTAB_XTD | MTAB_VUN | MTAB_VALR, 0, "DEV", "DEV", &set_chan, &get_chan, NULL, "Device Number"},
{ 0 }
};
DEVICE lpr_dev = {
"LP", lpr_unit, NULL, lpr_mod,
NUM_DEVS_PTP, 8, 22, 1, 8, 22,
NULL, NULL, &lpr_reset, NULL, &attach_unit, &detach_unit,
&lpr_dib, DEV_DISABLE | DEV_DEBUG, 0, dev_debug,
NULL, NULL, &lpr_help, NULL, NULL, &lpr_description
};
/*
* Command codes
*
* 011010 Write
* 000010 AutoWrite
* 010000 Send Q.
* 010100 Send P.
* 011110 Disconnect.
*/
void lpr_cmd(uint32 dev, uint32 cmd, uint32 *resp) {
uint32 i;
UNIT *uptr = NULL;
*resp = 0;
/* Find the unit from dev */
for (i = 0; i < lpr_dev.numunits; i++) {
if (GET_UADDR(lpr_unit[i].flags) == dev) {
uptr = &lpr_unit[i];
break;
}
}
/* Should not happen, but just in case */
if (uptr == NULL)
return;
/* Ignore this command if not a SI device */
if (NSI_TYPE(uptr->flags))
return;
if (uptr->CMD & QUAL) {
uptr->CMD |= cmd << 8;
uptr->CMD &= ~QUAL;
sim_debug(DEBUG_CMD, &lpr_dev, "QUAL: %03o %03o %03o\n", cmd, uptr->CMD, uptr->STATUS);
*resp = 5;
return;
}
if (cmd == 032 || cmd == 02) { /* Command */
if (uptr->STATUS & BUSY) {
*resp = 3;
return;
}
uptr->CMD = (cmd == 02) ? AUTO: QUAL;
uptr->STATUS = BUSY;
sim_activate(uptr, uptr->wait);
chan_clr_done(GET_UADDR(uptr->flags));
*resp = 5;
} else if (cmd == SEND_Q) {
if ((uptr->flags & UNIT_ATT) == 0 || (uptr->STATUS & 06) == 0)
*resp = 040;
*resp |= uptr->STATUS & TERMINATE;
uptr->STATUS &= ~1;
if ((uptr->STATUS & BUSY) == 0)
*resp |= 030;
} else if (cmd == SEND_P) { /* Send P */
if ((uptr->flags & UNIT_ATT) != 0)
*resp = (uptr->STATUS & ERROR) | 1;
uptr->STATUS = 0;
chan_clr_done(GET_UADDR(uptr->flags));
} else if (cmd == DISCO) { /* Disconnect */
uptr->STATUS |= DISC;
*resp = 5;
}
sim_debug(DEBUG_CMD, &lpr_dev, "CMD: %03o %03o %03o\n", cmd, uptr->CMD, uptr->STATUS);
}
/*
* Command codes
*
* xxxx01 Start print.
* xxxx10 Stop print.
*/
void lpr_nsi_cmd(uint32 dev, uint32 cmd) {
uint32 i;
UNIT *uptr = NULL;
/* Find the unit from dev */
for (i = 0; i < NUM_DEVS_PTP; i++) {
if (GET_UADDR(lpr_unit[i].flags) == dev) {
uptr = &lpr_unit[i];
break;
}
}
/* Should not happen, but just in case */
if (uptr == NULL)
return;
/* Ignore this command if not a SI device */
if (SI_TYPE(uptr->flags))
return;
if (cmd & 02) {
if (uptr->STATUS & BUSY)
uptr->STATUS |= DISC;
return;
}
if (cmd & 01) {
if (uptr->CMD & BUSY || (uptr->flags & UNIT_ATT) == 0) {
uptr->STATUS |= OPAT;
chan_set_done(GET_UADDR(uptr->flags));
return;
}
uptr->CMD |= AUTO;
uptr->STATUS = BUSY;
sim_activate(uptr, uptr->wait);
chan_clr_done(GET_UADDR(uptr->flags));
sim_debug(DEBUG_CMD, &lpr_dev, "CMD: %03o %03o %03o\n", cmd, uptr->CMD, uptr->STATUS);
}
}
/*
* NSI Status bits.
*
* 001 End.
* 002 Opat.
* 004 ERROR
* 020 ACCEPT
* 040 BUSY
*/
void lpr_nsi_status(uint32 dev, uint32 *resp) {
uint32 i;
UNIT *uptr = NULL;
*resp = 0;
/* Find the unit from dev */
for (i = 0; i < NUM_DEVS_PTP; i++) {
if (GET_UADDR(lpr_unit[i].flags) == dev) {
uptr = &lpr_unit[i];
break;
}
}
/* Should not happen, but just in case */
if (uptr == NULL)
return;
/* Ignore this command if not a SI device */
if (SI_TYPE(uptr->flags))
return;
*resp = uptr->STATUS & 077;
uptr->STATUS &= BUSY|DISCO ;
chan_clr_done(GET_UADDR(uptr->flags));
sim_debug(DEBUG_CMD, &lpr_dev, "ST: %08o %03o %03o\n", *resp, uptr->CMD, uptr->STATUS);
}
t_stat lpr_svc (UNIT *uptr)
{
uint8 ch;
char buffer[200];
int i;
int len;
int eor = 0;
/* Handle a disconnect request */
if (uptr->STATUS & DISC) {
uptr->STATUS &= ~(BUSY|DISC);
uptr->STATUS |= TERMINATE;
chan_set_done(GET_UADDR(uptr->flags));
return SCPE_OK;
}
/* If not busy, false schedule, just exit */
if ((uptr->STATUS & BUSY) == 0)
return SCPE_OK;
/* Check if attached */
if ((uptr->flags & UNIT_ATT) == 0) {
uptr->STATUS = ERROR|TERMINATE;
chan_set_done(GET_UADDR(uptr->flags));
return SCPE_OK;
}
if (uptr->CMD & QUAL) {
sim_activate(uptr, uptr->wait);
return SCPE_OK;
}
len = 96;
if (LW_120(uptr->flags))
len = 120;
else if (LW_160(uptr->flags))
len = 160;
i = 0;
while (eor == 0 && i < len && i < (int)(sizeof(buffer)-4)) {
eor = chan_output_char(GET_UADDR(uptr->flags), &ch, 0);
if (uptr->CMD & AUTO) {
uptr->CMD |= (int32)ch << 8;
uptr->CMD &= ~AUTO;
} else {
sim_debug(DEBUG_DATA, &lpr_dev, "DATA: %03o\n", ch);
buffer[i++] = mem_to_ascii[ch];
}
}
buffer[i++] = '\r';
buffer[i++] = '\n';
buffer[i] = '\0';
sim_fwrite(&buffer, 1, i, uptr->fileref);
uptr->pos += i;
/* Check if Done */
if (eor) {
uptr->STATUS |= TERMINATE;
uptr->STATUS &= ~(BUSY|DISC);
chan_set_done(GET_UADDR(uptr->flags));
return SCPE_OK;
}
return SCPE_OK;
}
/* Reset */
t_stat lpr_reset (DEVICE *dptr)
{
UNIT *uptr = dptr->units;
int unit;
for (unit = 0; unit < NUM_DEVS_PTP; unit++, uptr++) {
uptr->STATUS = 0;
chan_clr_done(GET_UADDR(uptr->flags));
}
return SCPE_OK;
}
t_stat lpr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
fprintf (st, "The Paper Tape Punch can be set to one of two modes: 7P, or 7B.\n\n");
fprintf (st, " mode \n");
fprintf (st, " 7P Process even parity input tapes. \n");
fprintf (st, " 7B Ignore parity of input data.\n");
fprintf (st, "The default mode is 7B.\n");
return SCPE_OK;
}
CONST char *lpr_description (DEVICE *dptr)
{
return "PTP";
}
#endif
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