github.com/rcornwell.sims
1
0
Fork 0
mirror of https://github.com/rcornwell/sims.git synced 2026-01-13 15:27:04 +00:00
Code Releases Activity
rcornwell.sims/ICL1900/icl1900_cr.c
Richard Cornwell c3490e1484 ICL1900: Remove compiler warnings.
2020-10-12 23:27:46 -04:00

394 lines
11 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* icl1900_cr.c: ICL1900 Punch Card Reader 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"
#include "sim_card.h"
#ifndef NUM_DEVS_CDR
#define NUM_DEVS_CDR 0
#endif
#define UNIT_V_TYPE (UNIT_V_UF + 7)
#define UNIT_TYPE (0xf << 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 STATUS u4
#define TERMINATE 0000001
#define STOPPED 0000030
#define OPAT 0000002
#define ERROR 0000004
#define IMAGE 0000010
#define BUSY 0020
#define DISC 0040
#if (NUM_DEVS_CDR > 0)
#define T1911_1 0
#define T1911_2 1
#define T1912_1 2
#define T1912_2 3
#define UNIT_CDR(x) UNIT_ADDR(x)|SET_TYPE(T1912_2)|UNIT_ATTABLE|\
UNIT_DISABLE|UNIT_RO|MODE_029
void cdr_cmd (uint32 dev, uint32 cmd, uint32 *resp);
void cdr_nsi_cmd (uint32 dev, uint32 cmd);
void cdr_nsi_status (uint32 dev, uint32 *resp);
t_stat cdr_svc (UNIT *uptr);
t_stat cdr_boot (int32 unit_num, DEVICE * dptr);
t_stat cdr_reset (DEVICE *dptr);
t_stat cdr_attach(UNIT * uptr, CONST char *file);
t_stat cdr_detach(UNIT * uptr);
t_stat cdr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr);
CONST char *cdr_description (DEVICE *dptr);
DIB cdr_dib = { CHAR_DEV, &cdr_cmd, &cdr_nsi_cmd, &cdr_nsi_status };
UNIT cdr_unit[] = {
{ UDATA (&cdr_svc, UNIT_CDR(10), 0), 10000 },
{ UDATA (&cdr_svc, UNIT_CDR(11), 0), 10000 },
};
MTAB cdr_mod[] = {
{ UNIT_TYPE, SET_TYPE(T1911_1), "1911/1", "1911/1", NULL, NULL, NULL, "ICL 1911/1 NSI 900CPM reader."},
{ UNIT_TYPE, SET_TYPE(T1911_2), "1911/2", "1911/2", NULL, NULL, NULL, "ICL 1911/2 SI 900CPM reader."},
{ UNIT_TYPE, SET_TYPE(T1912_1), "1912/1", "1912/1", NULL, NULL, NULL, "ICL 1912/1 NSI 300CPM reader."},
{ UNIT_TYPE, SET_TYPE(T1912_2), "1912/2", "1912/2", NULL, NULL, NULL, "ICL 1912/2 SI 900CPM reader."},
{MTAB_XTD | MTAB_VUN, 0, "FORMAT", "FORMAT",
&sim_card_set_fmt, &sim_card_show_fmt, NULL},
{MTAB_XTD | MTAB_VUN | MTAB_VALR, 0, "DEV", "DEV", &set_chan, &get_chan, NULL, "Device Number"},
{ 0 }
};
DEVICE cdr_dev = {
"CR", cdr_unit, NULL, cdr_mod,
NUM_DEVS_CDR, 8, 22, 1, 8, 22,
NULL, NULL, &cdr_reset, &cdr_boot, &cdr_attach, &cdr_detach,
&cdr_dib, DEV_DISABLE | DEV_CARD | DEV_DEBUG, 0, card_debug,
NULL, NULL, &cdr_help, NULL, NULL, &cdr_description
};
/*
* Command codes
*
* 011001 Read
* 011011 Read in image mode.
* 010000 Send Q.
* 010100 Send P.
* 011110 Disconnect.
*/
void cdr_cmd(uint32 dev, uint32 cmd, uint32 *resp) {
uint32 i;
UNIT *uptr = NULL;
*resp = 0;
/* Find the unit from dev */
for (i = 0; i < cdr_dev.numunits; i++) {
if (GET_UADDR(cdr_unit[i].flags) == dev) {
uptr = &cdr_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->flags & UNIT_ATT) == 0)
return;
if (cmd == 020) { /* Send Q */
*resp = uptr->STATUS & TERMINATE; /* Terminate */
if ((uptr->flags & UNIT_ATT) == 0 || (uptr->STATUS & 016) == 0)
*resp |= 040;
if ((uptr->STATUS & BUSY) == 0)
*resp |= STOPPED;
sim_debug(DEBUG_STATUS, &cdr_dev, "STATUS: %02o %02o\n", cmd, *resp);
uptr->STATUS &= ~TERMINATE;
chan_clr_done(dev);
} else if (cmd == 024) { /* Send P */
*resp = uptr->STATUS & 016; /* IMAGE, ERROR, OPAT */
if ((uptr->flags & UNIT_ATT) != 0)
*resp |= 1;
uptr->STATUS &= (IMAGE|BUSY|DISC);
sim_debug(DEBUG_STATUS, &cdr_dev, "STATUS: %02o %02o\n", cmd, *resp);
} else if (cmd == 031 || cmd == 033 || cmd == 037 ) {
if ((uptr->flags & UNIT_ATT) == 0)
return;
if (uptr->STATUS & BUSY) {
*resp = 3;
return;
}
uptr->STATUS = BUSY;
if (cmd & 02)
uptr->STATUS |= IMAGE;
sim_activate(uptr, uptr->wait);
chan_clr_done(dev);
sim_debug(DEBUG_CMD, &cdr_dev, "CMD: %02o %08o\n", cmd, uptr->STATUS);
*resp = 5;
} else if (cmd == 036) { /* Disconnect */
uptr->STATUS |= DISC;
sim_debug(DEBUG_CMD, &cdr_dev, "CMD: %02o %08o\n", cmd, uptr->STATUS);
*resp = 5;
}
}
/*
* Command codes
*
* xxxx01 Start reader.
* xxxx10 Stop reader.
*/
void cdr_nsi_cmd(uint32 dev, uint32 cmd) {
uint32 i;
UNIT *uptr = NULL;
/* Find the unit from dev */
for (i = 0; i < cdr_dev.numunits; i++) {
if (GET_UADDR(cdr_unit[i].flags) == dev) {
uptr = &cdr_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;
sim_debug(DEBUG_CMD, &cdr_dev, "STOP: %02o %08o\n", cmd, uptr->STATUS);
return;
}
if (cmd & 01) {
if (uptr->STATUS & BUSY || (uptr->flags & UNIT_ATT) == 0) {
uptr->STATUS |= OPAT;
chan_set_done(dev);
return;
}
uptr->STATUS = BUSY;
sim_activate(uptr, uptr->wait);
chan_clr_done(dev);
sim_debug(DEBUG_CMD, &cdr_dev, "START: %02o %08o\n", cmd, uptr->STATUS);
}
}
/*
* NSI Status bits.
*
* 001 End.
* 002 Opat.
* 004 ERROR
* 020 ACCEPT
* 040 BUSY
*/
void cdr_nsi_status(uint32 dev, uint32 *resp) {
uint32 i;
UNIT *uptr = NULL;
*resp = 0;
/* Find the unit from dev */
for (i = 0; i < cdr_dev.numunits; i++) {
if (GET_UADDR(cdr_unit[i].flags) == dev) {
uptr = &cdr_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 & 7;
if (uptr->STATUS & BUSY)
*resp |= 040;
uptr->STATUS &= BUSY|DISC|IMAGE;
chan_clr_done(dev);
sim_debug(DEBUG_STATUS, &cdr_dev, "STATUS: %02o\n", *resp);
}
t_stat cdr_svc (UNIT *uptr)
{
uint16 image[80];
int dev = GET_UADDR(uptr->flags);
uint8 ch;
int i;
int eor;
/* Handle a disconnect request */
if (uptr->STATUS & DISC) {
uptr->STATUS |= TERMINATE;
uptr->STATUS &= ~(BUSY|DISC);
chan_set_done(dev);
return SCPE_OK;
}
/* If not busy, false schedule, just exit */
if ((uptr->STATUS & BUSY) == 0)
return SCPE_OK;
switch(i = sim_read_card(uptr, image)) {
default:
case CDSE_EMPTY:
case CDSE_EOF:
sim_card_detach(uptr);
uptr->STATUS |= OPAT;
sim_debug(DEBUG_DATA, &cdr_dev, "EOF: %d\n", i);
break;
case CDSE_ERROR:
uptr->STATUS |= OPAT;
sim_debug(DEBUG_DATA, &cdr_dev, "Error: %d\n", i);
break;
case CDSE_OK:
sim_debug(DEBUG_DATA, &cdr_dev, "ok: %d\n", i);
for (i = 0; i < 80; i++) {
if (uptr->STATUS & IMAGE) {
ch = (image[i] >> 6) & 077;
eor = chan_input_char(dev, &ch, 0);
if (eor)
break;
ch = image[i] & 077;
} else {
ch = hol_to_mem[image[i]];
sim_debug(DEBUG_DATA, &cdr_dev, "col: %04x %02o '%c'\n", image[i], ch, mem_to_ascii[ch]);
if (ch == 0xff) {
uptr->STATUS |= ERROR;
ch = 077;
}
}
sim_debug(DEBUG_DATA, &cdr_dev, "DATA: %03o\n", ch);
eor = chan_input_char(dev, &ch, 0);
if (eor)
break;
}
break;
}
uptr->STATUS |= TERMINATE;
uptr->STATUS &= ~(BUSY|DISC);
chan_set_done(dev);
return SCPE_OK;
}
t_stat
cdr_reset(DEVICE *dptr)
{
unsigned int i;
memset(&hol_to_mem[0], 0xff, 4096);
for(i = 0; i < (sizeof(mem_to_hol)/sizeof(uint16)); i++) {
uint16 temp;
temp = mem_to_hol[i];
hol_to_mem[temp] = i;
}
return SCPE_OK;
}
/* Boot from given device */
t_stat
cdr_boot(int32 unit_num, DEVICE * dptr)
{
UNIT *uptr = &dptr->units[unit_num];
int chan = GET_UADDR(uptr->flags);
if ((uptr->flags & UNIT_ATT) == 0)
return SCPE_UNATT; /* attached? */
M[64 + chan] = 0;
M[256 + 4 * chan] = 0;
M[257 + 4 * chan] = 0;
loading = 1;
uptr->STATUS = BUSY|IMAGE;
sim_activate (uptr, uptr->wait);
return SCPE_OK;
}
t_stat
cdr_attach(UNIT * uptr, CONST char *file)
{
t_stat r;
if ((r = sim_card_attach(uptr, file)) != SCPE_OK)
return r;
uptr->STATUS = 0;
chan_set_done(GET_UADDR(uptr->flags));
return SCPE_OK;
}
t_stat
cdr_detach(UNIT * uptr)
{
return sim_card_detach(uptr);
}
t_stat cdr_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
fprintf (st, "The card reader can be set to one of several device types\n\n");
sim_card_attach_help(st, dptr, uptr, flag, cptr);
fprintf (st, "The device number can be set with DEV=# command.\n");
fprint_set_help(st, dptr);
fprint_show_help(st, dptr);
return SCPE_OK;
}
CONST char *cdr_description (DEVICE *dptr)
{
return "CR";
}
#endif
View Git Blame Copy Permalink