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terminate swap list with NODEV, not 0 (0 is a valid device!)
[unix-history] / usr / src / sys / news3400 / bm / vt100.c
/*
* Copyright (c) 1992 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
*
* %sccs.include.redist.c%
*
* from: $Hdr: vt100.c,v 4.300 91/06/09 06:14:56 root Rel41 $ SONY
*
* @(#)vt100.c 7.5 (Berkeley) %G%
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <news3400/iop/framebuf.h>
#include <news3400/iop/kbreg.h>
#include <news3400/iop/keyboard.h>
#include <news3400/fb/fbdefs.h>
#include <news3400/bm/vt100.h>
#include <news3400/bm/bitmapif.h>
#ifdef IPC_MRX
#include "config.h"
#define kbd_ioctl(chan, cmd, argp) { \
if (kb_ioctl) \
(*kb_ioctl)(chan, cmd, argp); \
}
#endif
#ifdef IPC_MRX
#include "mrx.h"
#include "process.h"
#include "object.h"
#include "console.h"
#endif
#ifdef CPU_SINGLE
#include <news3400/sio/scc.h>
#endif
extern Key_string key_str;
extern int tmode;
static unsigned int first_code;
#ifdef IPC_MRX
#define SCC_KEYBOARD 0
#endif
SCREEN screen;
struct cursor inner_buf_csr;
int inner_buf_tstat;
char c_pos_mess[C_MESS_SIZ];
extern struct csr_buf local_csr_buf;
#ifdef IPC_MRX
int bitmap_use;
#ifdef IPC_3CPU
#include "../../ubdev/msgio.h"
extern int ipc_ready;
#endif /* IPC_3CPU */
extern struct cons_devsw vt100_cons;
#endif /* IPC_MRX */
#ifdef CPU_DOUBLE
int auto_dimmer();
#endif
#if CPU_SINGLE
extern int hz;
extern kbd_profun_init();
#endif
lRectangle char_r1;
lRectangle font_r1;
lRectangle char_r2;
lRectangle font_r2;
int font_len1;
int font_len2;
int fcolor;
int bcolor;
int font_w;
int font_h;
int char_w;
int char_h;
int scr_w;
int scr_h;
int ch_pos;
int ul_pos;
int x_ofst;
int y_ofst;
int rit_m;
int btm_m;
int bell_len;
int dim_cnt;
int a_dim_on;
unsigned short fbuf[256];
int fp;
int fpn;
lPoint fpp;
int fpa;
vt100init()
{
register int i;
register SCREEN *sp = &screen;
sp->s_term_mode = 0;
sp->s_term_mode |= (SRM|DECSCLM|DECAWM|DECARM|DECCSR_ACTV);
sp->s_current_stat = 0;
sp->s_csr.csr_x = 1;
sp->s_csr.csr_y = 1;
sp->s_csr.csr_p.x = x_ofst;
sp->s_csr.csr_p.y = y_ofst;
sp->s_csr.csr_attributes = NORMALM;
sp->s_region.top_margin = TOP_M;
sp->s_region.btm_margin = btm_m;
sp->s_plane = consfb->planemask;
sp->s_bgcol = 0;
fcolor = sp->s_plane;
bcolor = sp->s_bgcol;
for (i = 0; i < RIT_M_MAX; i++)
sp->s_tab_pos[i] = 0;
for (i = 9; i < RIT_M_MAX; i +=8)
sp->s_tab_pos[i] = 1;
esc_store_csr(sp);
inner_buf_tstat = sp->s_term_mode & (DECOM|DECAWM);
local_csr_buf.csr_number = 1;
cursor_on(&sp->s_csr.csr_p);
}
ncp_str(p, q, n)
register char *p, *q;
register int n;
{
while (n-- > 0)
*q++ = *p++;
}
/*
* default parameter set
*/
set_default_param()
{
register struct fbdev *cfb = consfb;
font_w = cfb->font_w;
font_h = cfb->font_h;
char_w = cfb->char_w;
char_h = cfb->char_h;
scr_w = cfb->scr_w;
scr_h = cfb->scr_h;
ch_pos = cfb->ch_pos;
ul_pos = cfb->ul_pos;
x_ofst = cfb->x_offset;
y_ofst = cfb->y_offset;
rit_m = cfb->rit_m;
btm_m = cfb->btm_m;
a_dim_on = 1;
font_r1.extent.x = font_w;
font_r1.extent.y = font_h;
font_r2.extent.x = font_w * 2;
font_r2.extent.y = font_h;
font_len1 = (font_w + 0x0f) >> 4;
font_len2 = (font_w*2 + 0x0f) >> 4;
char_r1.extent.x = char_w;
char_r1.extent.y = char_h;
char_r2.extent.x = char_w * 2;
char_r2.extent.y = char_h;
dim_cnt = DIM_CNT_DFLT;
bell_len = BELL_LEN_DFLT;
}
vt100_open()
{
static int only_one = 0;
extern char **ext_fnt_addr;
set_default_param();
vt100init();
bitmapinit();
if (only_one == 0) {
#ifdef IPC_MRX
#ifdef IPC_3CPU
while (ipc_ready == 0)
proc_sleep_self(100);
#endif
while ((bitmap_use = object_query(BITMAP)) <= 0)
proc_sleep_self(100);
proc_create("auto_dimmer", auto_dimmer, 401, 512, 0);
#endif /* IPC_MRX */
only_one = 1;
}
#define INIT_STRING "\033[42;1H"
vt100_write(0, INIT_STRING, sizeof(INIT_STRING) - 1);
#ifdef CPU_SINGLE
kbd_open(SCC_KEYBOARD);
#endif
}
#ifdef IPC_MRX
vt100_cons_setup()
{
int vt100_open(), vt100_read(), vt100_write(), vt100_ioctl();
vt100_cons.open = vt100_open;
vt100_cons.read = vt100_read;
vt100_cons.write = vt100_write;
vt100_cons.ioctl = vt100_ioctl;
}
#define DIMMER_RESET 0
#define DIMMER_ON 1
#define DIMMER_OFF 2
#define DIMMER_INTERVAL 60 /* sec */
static int dimmer_stdport;
auto_dimmer()
{
register int select, i;
register int dimm_counter = DIM_CNT_DFLT;
register int dimm_level = 0;
int ports[2], *mode;
spl0();
ports[0] = dimmer_stdport = STDPORT;
ports[1] = port_create("auto_dimmer_sub");
register_interval(ports[1], DIMMER_INTERVAL);
for(;;) {
select = msg_select(2, ports);
if (select == 0) {
msg_recv(ports[0], NULL, &mode, NULL, 0);
switch (*mode) {
case DIMMER_RESET:
if (!a_dim_on)
break;
dimm_counter = dim_cnt;
if (dimm_level > 0) {
dimm_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], 0);
}
break;
case DIMMER_ON:
dimm_counter = dim_cnt;
dimm_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dimm_level);
a_dim_on = 1;
break;
case DIMMER_OFF:
dimm_counter = dim_cnt;
dimm_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dimm_level);
a_dim_on = 0;
break;
}
} else {
msg_recv(ports[1], NULL, NULL, NULL, 0);
if (a_dim_on && (dimm_counter-- <= 0)) {
if (dimm_level < 3) {
dimm_level++;
}
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dimm_level);
dimm_counter = dim_cnt;
}
}
}
}
rst_dimmer_cnt()
{
register int diff;
static unsigned last_time;
extern unsigned sys_time;
int mode = DIMMER_RESET;
diff = sys_time - last_time;
if (diff > DIMMER_INTERVAL*HZ || diff < 0) {
dimmer(DIMMER_RESET);
last_time = sys_time;
}
}
auto_dimmer_on()
{
dimmer(DIMMER_ON);
}
auto_dimmer_off()
{
dimmer(DIMMER_OFF);
}
dimmer(mode)
int mode;
{
if (dimmer_stdport)
msg_send(dimmer_stdport, 0, &mode, sizeof(mode), 0);
}
#else /* IPC_MRX */
static int dimmer_counter = DIM_CNT_DFLT;
static int dim_level = 0;
#ifdef CPU_SINGLE
auto_dimmer()
{
register int s, i;
s = spl4();
if (a_dim_on && (dimmer_counter-- <= 0)) {
if (dim_level < 3)
dim_level++;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dim_level);
dimmer_counter = dim_cnt;
}
splx(s);
timeout(auto_dimmer, (caddr_t) 0, 60 * hz);
}
#endif
rst_dimmer_cnt()
{
register int s, i;
if (!a_dim_on)
return;
#ifdef CPU_SINGLE
s = spl4();
#endif
dimmer_counter = dim_cnt;
if (dim_level > 0) {
dim_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], 0);
}
splx(s);
}
auto_dimmer_on()
{
register int s, i;
#ifdef CPU_SINGLE
s = spl4();
#endif
dimmer_counter = dim_cnt;
dim_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dim_level);
a_dim_on = 1;
splx(s);
}
auto_dimmer_off()
{
register int s, i;
#ifdef CPU_SINGLE
s = spl4();
#endif
dimmer_counter = dim_cnt;
dim_level =0;
for (i = 0; i < nfbdev; i++)
fbbm_set_dimmer(&fbdev[i], dim_level);
a_dim_on = 0;
splx(s);
}
#endif /* IPC_MRX */
/*
* The routine `_putc(sp, c)' only prints a character c with the cursor
* attributes by using `copy_char(x, y, c, attributes)'.
* And when IRM (terminal insertion-replacement mode) is set, the characters
* righthand side of the cursor are shifted right and lost when they passed
* beyond the right margin.
* The position is specified by the sp pointer of the structure SCREEN.
*
*/
static
_putc(sp, c, kanji)
register SCREEN *sp;
unsigned int c;
{
if (sp->s_term_mode & IRM) {
vt_flush(&(sp->s_csr));
move_chars(sp->s_csr.csr_x, sp->s_csr.csr_y,
rit_m - sp->s_csr.csr_x - ((kanji)? 1: 0),
sp->s_csr.csr_x + ((kanji) ? 2: 1));
copy_char(sp, c, kanji);
}
if (fp) {
fbuf[fp++] = c;
fpn += kanji + 1;
} else {
fbuf[fp++] = c;
fpp = sp->s_csr.csr_p;
fpa = sp->s_csr.csr_attributes;
fpn = kanji + 1;
}
}
/*
* Scroll up and down in the scroll region.
* New oriented line must be cleared with terminal mode, that is whether
* the screen is reverse mode or not.
*/
scroll_up(top, bottom, revsw, fcol, bcol)
int top;
int bottom;
int revsw;
int fcol;
int bcol;
{
move_lines(top + 1, bottom - top, top);
clear_lines(bottom, 1, revsw, fcol, bcol);
}
scroll_down(top, bottom, revsw, fcol, bcol)
int top;
int bottom;
int revsw;
int fcol;
int bcol;
{
move_lines(top, bottom - top, top + 1);
clear_lines(top, 1, revsw, fcol, bcol);
}
/*
* Back space
* back_space(sp) moves cursor next to left at current cursor position.
* The cursor can not move beyond left or right margin.
*/
back_space(sp)
register SCREEN *sp;
{
register struct cursor *spc = &sp->s_csr;
cursor_off();
if (spc->csr_x > LFT_M) {
spc->csr_x -= 1;
spc->csr_p.x -= char_w;
}
cursor_on(&spc->csr_p);
}
/*
* Tab stop
* next_tab_stop(sp) moves cursor to next tab stop.
*/
next_tab_stop(sp)
register SCREEN *sp;
{
register int i;
cursor_off();
for (i = sp->s_csr.csr_x + 1; i < rit_m; i++)
if (sp->s_tab_pos[i] == 1)
break;
sp->s_csr.csr_x = min(i, rit_m);
sp->s_csr.csr_p.x = (sp->s_csr.csr_x - 1) * char_w + x_ofst;
cursor_on(&sp->s_csr.csr_p);
}
/*
* Carriage return
* carriage_ret(sp) moves cursor at beginning of the current line.
*/
carriage_ret(sp)
register SCREEN *sp;
{
cursor_off();
sp->s_csr.csr_x = LFT_M;
sp->s_csr.csr_p.x = x_ofst;
cursor_on(&sp->s_csr.csr_p);
}
/*
* Bell
*/
static
bell()
{
#ifdef news1800
static int port;
if (port == 0)
port = port_create("port_cons_bell");
kbd_ioctl(port, KIOCBELL, &bell_len);
#else
kbd_ioctl(SCC_KEYBOARD, KIOCBELL, &bell_len);
#endif
return (0);
}
int
Putchar(c, eob)
unsigned int c;
{
register SCREEN *sp = &screen;
unsigned int sftjis_to_jis();
c &= 0xff;
if (eob) {
vt_flush(&(sp->s_csr));
return(0);
}
if (c == 0x1b) { /* c == esc */
vt_flush(&(sp->s_csr));
recover(sp);
sp->s_current_stat |= ESCAPE;
return;
} else if (sp->s_current_stat & ESCAPE) {
(*sp->s_esc_handler)(sp, c);
return;
} else if (sp->s_current_stat & SKANJI) {
c = sftjis_to_jis(first_code, c);
if (sp->s_current_stat & JKANJI) {
addch(sp, c);
} else {
sp->s_current_stat |= JKANJI;
addch(sp, c);
sp->s_current_stat &= ~JKANJI;
}
sp->s_current_stat &= ~SKANJI;
goto set_csr;
} else if (sp->s_current_stat & EKANJI) {
c = (c & 0x7f) | (first_code << 8);
if (sp->s_current_stat & JKANJI) {
addch(sp, c);
} else {
sp->s_current_stat |= JKANJI;
addch(sp, c);
sp->s_current_stat &= ~JKANJI;
}
sp->s_current_stat &= ~EKANJI;
goto set_csr;
} else if (sp->s_current_stat & JKANJI) {
jiskanji(sp, c);
goto set_csr;
} else if (sp->s_current_stat & EKANA) {
sp->s_current_stat &= ~EKANA;
addch(sp, c);
goto set_csr;
}
if (c < 0x20) { /* control code */
vt_flush(&(sp->s_csr));
switch (c) {
case 0x00: /* ignore */
break;
case 0x07: /* bell */
bell();
break;
case 0x08: /* back space */
back_space(sp);
break;
case 0x09: /* tabulation */
next_tab_stop(sp);
break;
case 0x0a: /* line feed */
case 0x0b: /* vertical feed */
case 0x0c: /* form feed */
esc_index(sp);
break;
case 0x0d: /* carriage return */
carriage_ret(sp);
break;
case 0x0e: /* shift out */
break;
case 0x0f: /* shift in */
break;
case 0x11: /* xon */
break;
case 0x13: /* xoff */
break;
case 0x18: /* cancel */
sp->s_current_stat &= ~ESCAPE;
break;
case 0x1b: /* escape */
/* NOT REACHED */
recover(sp);
sp->s_current_stat |= ESCAPE;
break;
case 0x7f: /* delete */
break;
default:
break;
}
} else {
switch (tmode) {
#ifdef KM_SJIS
case KM_SJIS:
if ((c >= JVR1S && c <= JVR1E) ||
(c >= JVR2S && c <= JVR2E)) {
sp->s_current_stat |= SKANJI;
first_code = c;
}
else
addch(sp, c);
break;
#endif
#ifdef KM_EUC
case KM_EUC:
if (c >= CS1S && c <= CS1E) {
sp->s_current_stat |= EKANJI;
first_code = c & 0x7f;
}
else if (c == SS2)
sp->s_current_stat |= EKANA;
else
addch(sp, c);
break;
#endif
#ifdef KM_JIS
case KM_JIS:
#endif
#ifdef KM_ASCII
case KM_ASCII:
#endif
default:
addch(sp, c);
}
}
set_csr:
cursor_on(&sp->s_csr.csr_p);
/* altered */
return ;
}
/*
* A printable character is printed in this routine by using
* the routine `_putc()'.
* Anyway, a character is printed in replacement mode or insertion
* mode and if the terminal is autowrap then it takes place wrapping
* and if cursor is bottom margin of the scroll region then it takes
* place scroll up.
* The escape sequence handling is another routine.
*
*/
addch(sp, c)
register SCREEN *sp;
unsigned int c;
{
register struct cursor *spc = &(sp->s_csr);
register struct region *spr = &(sp->s_region);
if (spc->csr_x >= rit_m ||
((sp->s_current_stat & JKANJI) && (spc->csr_x >= rit_m - 1))) {
vt_flush(spc);
if (sp->s_term_mode & DECAWM) {
if ((sp->s_current_stat & WRAP) || (spc->csr_x == rit_m
&& sp->s_current_stat & JKANJI)) {
if (spc->csr_y == spr->btm_margin) {
cursor_off();
scroll_up(spr->top_margin,
spr->btm_margin,
sp->s_term_mode & DECSCNM,
sp->s_plane, sp->s_bgcol);
cursor_on(&(spc->csr_p));
} else if (spc->csr_y < btm_m) {
spc->csr_y += 1;
spc->csr_p.y += char_h;
}
spc->csr_x = LFT_M;
spc->csr_p.x = x_ofst;
addch(sp, c);
return;
}
sp->s_current_stat |= WRAP;
}
if (sp->s_current_stat & JKANJI) {
if (spc->csr_x != rit_m) {
_putc(sp, c, 1);
}
} else {
_putc(sp, c, 0);
}
if (spc->csr_x < rit_m) {
spc->csr_x += 1;
spc->csr_p.x += char_w;
}
return ;
}
if (sp->s_current_stat & JKANJI) {
_putc(sp, c, 1);
spc->csr_x++;
spc->csr_p.x += char_w;
} else {
_putc(sp, c, 0);
}
spc->csr_x++; /* altered */
spc->csr_p.x += char_w;
sp->s_current_stat &= ~WRAP;
return ;
}
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.