/* eclipse_tt.c: Eclipse console terminal simulator
Copyright (c) 1998-2003, Charles E Owen
Portions copyright (c) 1993-2002, Robert M Supnik
Written by Charles Owen, used by gracious permission
Commercial use prohibited
tti terminal input
tto terminal output
25-Apr-03 RMS Revised for extended file support
03-Oct-02 RMS Added DIBs
30-May-02 RMS Widened POS to 32b
28-Jan-02 RMS Cleaned up compiler warnings
*/
#include "nova_defs.h"
#define UNIT_V_DASHER (UNIT_V_UF + 0) /* Dasher mode */
#define UNIT_DASHER (1 << UNIT_V_DASHER)
extern int32 int_req, dev_busy, dev_done, dev_disable;
int32 tti (int32 pulse, int32 code, int32 AC);
int32 tto (int32 pulse, int32 code, int32 AC);
t_stat tti_svc (UNIT *uptr);
t_stat tto_svc (UNIT *uptr);
t_stat tti_reset (DEVICE *dptr);
t_stat tto_reset (DEVICE *dptr);
t_stat ttx_setmod (UNIT *uptr, int32 value, char *cptr, void *desc);
void translate_in();
int32 translate_out(int32 c);
int32 putseq(char *seq);
/* TTI data structures
tti_dev TTI device descriptor
tti_unit TTI unit descriptor
tti_reg TTI register list
ttx_mod TTI/TTO modifiers list
*/
DIB tti_dib = { DEV_TTI, INT_TTI, PI_TTI, &tti };
UNIT tti_unit = { UDATA (&tti_svc, 0, 0), KBD_POLL_WAIT };
REG tti_reg[] = {
{ ORDATA (BUF, tti_unit.buf, 8) },
{ FLDATA (BUSY, dev_busy, INT_V_TTI) },
{ FLDATA (DONE, dev_done, INT_V_TTI) },
{ FLDATA (DISABLE, dev_disable, INT_V_TTI) },
{ FLDATA (INT, int_req, INT_V_TTI) },
{ DRDATA (POS, tti_unit.pos, T_ADDR_W), PV_LEFT },
{ DRDATA (TIME, tti_unit.wait, 24), REG_NZ + PV_LEFT },
{ NULL } };
MTAB ttx_mod[] = {
{ UNIT_DASHER, 0, "ANSI", "ANSI", &ttx_setmod },
{ UNIT_DASHER, UNIT_DASHER, "Dasher", "DASHER", &ttx_setmod },
{ 0 } };
DEVICE tti_dev = {
"TTI", &tti_unit, tti_reg, ttx_mod,
1, 10, 31, 1, 8, 8,
NULL, NULL, &tti_reset,
NULL, NULL, NULL,
&tti_dib, 0 };
/* TTO data structures
tto_dev TTO device descriptor
tto_unit TTO unit descriptor
tto_reg TTO register list
*/
DIB tto_dib = { DEV_TTO, INT_TTO, PI_TTO, &tto };
UNIT tto_unit = { UDATA (&tto_svc, 0, 0), SERIAL_OUT_WAIT };
REG tto_reg[] = {
{ ORDATA (BUF, tto_unit.buf, 8) },
{ FLDATA (BUSY, dev_busy, INT_V_TTO) },
{ FLDATA (DONE, dev_done, INT_V_TTO) },
{ FLDATA (DISABLE, dev_disable, INT_V_TTO) },
{ FLDATA (INT, int_req, INT_V_TTO) },
{ DRDATA (POS, tto_unit.pos, T_ADDR_W), PV_LEFT },
{ DRDATA (TIME, tto_unit.wait, 24), PV_LEFT },
{ NULL } };
DEVICE tto_dev = {
"TTO", &tto_unit, tto_reg, ttx_mod,
1, 10, 31, 1, 8, 8,
NULL, NULL, &tto_reset,
NULL, NULL, NULL,
&tto_dib, 0 };
/* Terminal input: IOT routine */
int32 tti (int32 pulse, int32 code, int32 AC)
{
int32 iodata;
iodata = (code == ioDIA)? tti_unit.buf & 0377: 0;
switch (pulse) { /* decode IR<8:9> */
case iopS: /* start */
dev_busy = dev_busy | INT_TTI; /* set busy */
dev_done = dev_done & ~INT_TTI; /* clear done, int */
int_req = int_req & ~INT_TTI;
break;
case iopC: /* clear */
dev_busy = dev_busy & ~INT_TTI; /* clear busy */
dev_done = dev_done & ~INT_TTI; /* clear done, int */
int_req = int_req & ~INT_TTI;
break; } /* end switch */
return iodata;
}
/* Unit service */
t_stat tti_svc (UNIT *uptr)
{
int32 temp;
sim_activate (&tti_unit, tti_unit.wait); /* continue poll */
if ((temp = sim_poll_kbd ()) < SCPE_KFLAG) return temp; /* no char or error? */
tti_unit.buf = temp & 0177;
/* --- BEGIN MODIFIED CODE --- */
if (tti_unit.flags & UNIT_DASHER) /* translate input */
translate_in();
/* --- END MODIFIED CODE --- */
dev_busy = dev_busy & ~INT_TTI; /* clear busy */
dev_done = dev_done | INT_TTI; /* set done */
int_req = (int_req & ~INT_DEV) | (dev_done & ~dev_disable);
tti_unit.pos = tti_unit.pos + 1;
return SCPE_OK;
}
/* -------------------- BEGIN INSERTION -----------------------*/
int curpos = 0; /* used by translate_out() */
int row = 0, col = 0; /* ditto - for cursor positioning */
int spec200 = 0; /* signals next char is 'special' */
/* Translation: Vt100 input to D200 keycodes. */
void translate_in()
{
char rev = 0;
if (tti_unit.buf == '\r')
rev = '\n';
if (tti_unit.buf == '\n')
rev = '\r';
if (rev)
tti_unit.buf = rev;
}
/* -------------------- END INSERTION -----------------------*/
/* Reset routine */
t_stat tti_reset (DEVICE *dptr)
{
tti_unit.buf = 0;
dev_busy = dev_busy & ~INT_TTI; /* clear busy */
dev_done = dev_done & ~INT_TTI; /* clear done, int */
int_req = int_req & ~INT_TTI;
sim_activate (&tti_unit, tti_unit.wait); /* activate unit */
return SCPE_OK;
}
/* Terminal output: IOT routine */
int32 tto (int32 pulse, int32 code, int32 AC)
{
if (code == ioDOA) tto_unit.buf = AC & 0377;
switch (pulse) { /* decode IR<8:9> */
case iopS: /* start */
dev_busy = dev_busy | INT_TTO; /* set busy */
dev_done = dev_done & ~INT_TTO; /* clear done, int */
int_req = int_req & ~INT_TTO;
sim_activate (&tto_unit, tto_unit.wait); /* activate unit */
break;
case iopC: /* clear */
dev_busy = dev_busy & ~INT_TTO; /* clear busy */
dev_done = dev_done & ~INT_TTO; /* clear done, int */
int_req = int_req & ~INT_TTO;
sim_cancel (&tto_unit); /* deactivate unit */
break; } /* end switch */
return 0;
}
/* Unit service */
t_stat tto_svc (UNIT *uptr)
{
int32 c, temp;
dev_busy = dev_busy & ~INT_TTO; /* clear busy */
dev_done = dev_done | INT_TTO; /* set done */
int_req = (int_req & ~INT_DEV) | (dev_done & ~dev_disable);
c = tto_unit.buf & 0177;
/* --- BEGIN MODIFIED CODE --- */
if (tto_unit.flags & UNIT_DASHER) {
if ((temp = translate_out(c)) != SCPE_OK) return temp;
} else {
if ((temp = sim_putchar (c)) != SCPE_OK) return temp;
tto_unit.pos = tto_unit.pos + 1;
}
/* --- END MODIFIED CODE --- */
return SCPE_OK;
}
/* -------------------- BEGIN INSERTION -----------------------*/
/* Translation routine - D200 screen controls to VT-100 controls. */
int32 translate_out(int32 c)
{
int32 temp;
char outstr[32];
if (spec200 == 1) { /* Special terminal control seq */
spec200 = 0;
switch (c) {
case 'C': /* read model ID */
return SCPE_OK;
case 'E': /* Reverse video off */
return SCPE_OK;
case 'D': /* Reverse video on */
return SCPE_OK;
default:
return SCPE_OK;
}
}
if (curpos == 1) { /* 2nd char of cursor position */
col = c & 0x7f;
curpos++;
return (SCPE_OK);
}
if (curpos == 2) { /* 3rd char of cursor position */
row = c & 0x7f;
curpos = 0;
sprintf(outstr, "\033[%d;%dH", row+1, col+1);
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
}
switch (c) { /* Single-char command or data */
case 003: /* Blink enable */
break;
case 004: /* Blink disable */
break;
case 005: /* Read cursor address */
break;
case 010: /* Cursor home */
sprintf(outstr, "\033[1;1H");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
row = col = 0;
return (SCPE_OK);
case 012: /* Newline */
if ((temp = sim_putchar('\r')) != SCPE_OK) return temp;
tto_unit.pos += 1;
if ((temp = sim_putchar(c)) != SCPE_OK) return temp;
tto_unit.pos += 1;
col = 1;
row++;
if (row > 24) row = 1;
return (SCPE_OK);
case 013: /* Erase EOL */
sprintf(outstr, "\033[K");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 014: /* Erase screen */
sprintf(outstr, "\033[1;1H\033[2J");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
row = col = 0;
return (SCPE_OK);
case 015: /* CR */
if ((temp = sim_putchar(c)) != SCPE_OK) return temp;
tto_unit.pos += 1;
col = 1;
return (SCPE_OK);
case 016: /* Blink On */
sprintf(outstr, "\033[5m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 017: /* Blink off */
sprintf(outstr, "\033[25m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 020: /* Write cursor address */
curpos = 1;
return SCPE_OK;
case 024: /* underscore on */
sprintf(outstr, "\033[4m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 025: /* underscore off */
sprintf(outstr, "\033[24m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
break;
case 027: /* cursor up */
sprintf(outstr, "\033[A");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
row--;
if (row < 1) row = 24;
return (SCPE_OK);
case 030: /* cursor right */
sprintf(outstr, "\033[C");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
col++;
if (col > 80) {
col = 1;
row++;
if (row > 24) row = 1;
}
return (SCPE_OK);
case 031: /* Cursor left */
sprintf(outstr, "\033[D");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
tto_unit.pos += 1;
col--;
if (col < 1) {
col = 80;
row--;
if (row < 1) row = 24;
}
return (SCPE_OK);
case 032: /* Cursor down */
sprintf(outstr, "\033[B");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
row++;
if (row > 24) row = 1;
return (SCPE_OK);
case 034: /* Dim on */
sprintf(outstr, "\033[22m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 035: /* Dim off */
sprintf(outstr, "\033[1m");
if ((temp = putseq(outstr)) != SCPE_OK) return temp;
return (SCPE_OK);
case 036: /* Special sequence */
spec200 = 1;
return SCPE_OK;
default: /* ..A character of data */
if ((temp = sim_putchar(c)) != SCPE_OK) return temp;
tto_unit.pos += 1;
col++;
if (col > 80) {
col = 1;
row++;
if (row > 24) row = 24;
}
return (SCPE_OK);
}
return SCPE_OK;
}
int32 putseq(char *seq)
{
int i, len, temp;
len = strlen(seq);
for (i = 0; i < len; i++) {
if ((temp = sim_putchar(seq[i])) != SCPE_OK)
return temp;
tto_unit.pos += 1;
}
return SCPE_OK;
}
/* -------------------- END INSERTION -----------------------*/
/* Reset routine */
t_stat tto_reset (DEVICE *dptr)
{
tto_unit.buf = 0;
dev_busy = dev_busy & ~INT_TTO; /* clear busy */
dev_done = dev_done & ~INT_TTO; /* clear done, int */
int_req = int_req & ~INT_TTO;
sim_cancel (&tto_unit); /* deactivate unit */
return SCPE_OK;
}
t_stat ttx_setmod (UNIT *uptr, int32 value, char *cptr, void *desc)
{
tti_unit.flags = (tti_unit.flags & ~UNIT_DASHER) | value;
tto_unit.flags = (tto_unit.flags & ~UNIT_DASHER) | value;
return SCPE_OK;
}