main()
{
int x;
spopen(2400,'n',8,1);
do
{
if(spcangetc()) printf("%c",spgetc());
if(kbhit())
{
x=getch();
if(x==29) break;
spputc(x);
}
}
while(1);
spclose();
return 0;
}
/* Send the page to the printer. For now, just send the whole image. */
static int
ljet5_print_page(gx_device_printer * pdev, FILE * prn_stream)
{
gs_memory_t *mem = pdev->memory;
uint line_size = gdev_mem_bytes_per_scan_line((gx_device *) pdev);
uint line_size_words = (line_size + W - 1) / W;
uint out_size = line_size + (line_size / 127) + 1;
word *line = (word *)gs_alloc_byte_array(mem, line_size_words, W, "ljet5(line)");
byte *out = gs_alloc_bytes(mem, out_size, "ljet5(out)");
int code = 0;
int lnum;
stream fs;
stream *const s = &fs;
byte buf[200]; /* arbitrary */
if (line == 0 || out == 0) {
code = gs_note_error(gs_error_VMerror);
goto done;
}
s_init(s, mem);
swrite_file(s, prn_stream, buf, sizeof(buf));
/* Write the page header. */
{
static const byte page_header[] = {
pxtBeginPage,
DUSP(0, 0), DA(pxaPoint),
pxtSetCursor
};
static const byte mono_header[] = {
DUB(eGray), DA(pxaColorSpace),
DUB(e8Bit), DA(pxaPaletteDepth),
pxt_ubyte_array, pxt_ubyte, 2, 0xff, 0x00, DA(pxaPaletteData),
pxtSetColorSpace
};
static const byte gray_header[] = {
DUB(eGray), DA(pxaColorSpace),
pxtSetColorSpace
};
px_write_page_header(s, (gx_device *)pdev);
px_write_select_media(s, (gx_device *)pdev, NULL, NULL, 0, false, false);
PX_PUT_LIT(s, page_header);
if (pdev->color_info.depth == 1)
PX_PUT_LIT(s, mono_header);
else
PX_PUT_LIT(s, gray_header);
}
/* Write the image header. */
{
static const byte mono_image_header[] = {
DA(pxaDestinationSize),
DUB(eIndexedPixel), DA(pxaColorMapping),
DUB(e1Bit), DA(pxaColorDepth),
pxtBeginImage
};
static const byte gray_image_header[] = {
DA(pxaDestinationSize),
DUB(eDirectPixel), DA(pxaColorMapping),
DUB(e8Bit), DA(pxaColorDepth),
pxtBeginImage
};
px_put_us(s, pdev->width);
px_put_a(s, pxaSourceWidth);
px_put_us(s, pdev->height);
px_put_a(s, pxaSourceHeight);
px_put_usp(s, pdev->width, pdev->height);
if (pdev->color_info.depth == 1)
PX_PUT_LIT(s, mono_image_header);
else
PX_PUT_LIT(s, gray_image_header);
}
/* Write the image data, compressing each line. */
for (lnum = 0; lnum < pdev->height; ++lnum) {
int ncompr;
static const byte line_header[] = {
DA(pxaStartLine),
DUS(1), DA(pxaBlockHeight),
DUB(eRLECompression), DA(pxaCompressMode),
pxtReadImage
};
code = gdev_prn_copy_scan_lines(pdev, lnum, (byte *) line, line_size);
if (code < 0)
goto fin;
px_put_us(s, lnum);
PX_PUT_LIT(s, line_header);
ncompr = gdev_pcl_mode2compress_padded(line, line + line_size_words,
out, true);
px_put_data_length(s, ncompr);
px_put_bytes(s, out, ncompr);
}
/* Finish up. */
fin:
spputc(s, pxtEndImage);
spputc(s, pxtEndPage);
sflush(s);
done:
gs_free_object(mem, out, "ljet5(out)");
gs_free_object(mem, line, "ljet5(line)");
return code;
}
main(int argc,char *argv[])
{
long old;
int sport= -1; /* Serial port number */
long baud= -1; /* Baud rate */
int vecno= -1; /* Vector number */
int port= -1; /* Printer port number */
unsigned short c;
if(argc!=3)
{
oops:
fprintf(stderr,"jterm COMx:[BAUD][,IRQ] LPy:\n");
exit(1);
}
sscanf(argv[1],"com%d:%ld,%d",&sport,&baud,&vecno);
if(sport== -1) sscanf(argv[1],"COM%d:%ld,%d",&sport,&baud,&vecno);
sscanf(argv[2],"lp%d:",&port);
if(port== -1) sscanf(argv[2],"LP%d:",&port);
--sport;
if(port<0 || port>2 || sport<0 || sport>3) goto oops;
/* Install break interrupt handler */
disable();
old= *(long far *)0x0000006C;
*(long far *)0x0000006C=(long)brkint;
enable();
if(vecno== -1) vecno=ints[sport];
else vecno+=8;
if(baud!= -1) spbaud(ports[sport],baud);
/* Open serial port */
spopen(ports[sport],vecno,1<<(vecno-8));
/* Open parallel port */
port=lports[port];
/* Initialize tty */
ttyinit();
loop:
/* Print chracters */
if(psize) if(pcheck(port))
{
pout(port,pbuf[pold++]);
if(pold==pbufsiz) pold=0;
psize--;
}
if(intflg)
{
intflg=0;
spbreak();
}
/* Check keyboard */
/* The trick here is to use the DOS interrupt 6 instead of the bios interrupt.
* This eliminates untold numbers of problems with ^C and Ctrl-Break for
* some microsoft's-programmers-only-know reason.
*/
_DL=0xFF;
_AH=0x6;
geninterrupt(0x21);
__emit__(0x75,0x2,0x31,0xC0); /* Clear AX if no chars ready */
c=_AX;
if(c)
{
c&=0xFF;
if(!c)
{
_DL=0xFF;
_AH=0x6;
geninterrupt(0x21);
c=_AX;
c<<=8;
}
/* Check for exit key */
if((c&0xff)==']'-64)
{
spclose();
disable();
*(long far *)0x0000006C=old;
enable();
bioscpos(0,height-1);
exit(1);
}
if(c&0xff) spputc(c&0xff); /* ASCII code */
else switch(c) /* Xenix special keys */
{
case 0x0300: spputc(0); break;
case 0x4800: spputc('\033'); if(mapplication) spputc('O'), spputc('A'); else spputc('['), spputc('A'); break;
case 0x5000: spputc('\033'); if(mapplication) spputc('O'), spputc('B'); else spputc('['), spputc('B'); break;
case 0x4d00: spputc('\033'); if(mapplication) spputc('O'), spputc('C'); else spputc('['), spputc('C'); break;
case 0x4b00: spputc('\033'); if(mapplication) spputc('O'), spputc('D'); else spputc('['), spputc('D'); break;
case 0x4700: spputc('\033'), spputc('['), spputc('H'); break;
case 0x4f00: spputc('\033'), spputc('['), spputc('F'); break;
case 0x4900: spputc('\033'), spputc('['), spputc('I'); break;
case 0x5100: spputc('\033'), spputc('['), spputc('G'); break;
case 0x5200: spputc('\033'), spputc('['), spputc('L'); break;
case 0x5300: spputc(127); break;
case 0x0f00: spputc('\033'), spputc('['), spputc('Z'); break;
case 0x3b00: spputc('\033'), spputc('['), spputc('M'); break;
case 0x3c00: spputc('\033'), spputc('['), spputc('N'); break;
case 0x3d00: spputc('\033'), spputc('['), spputc('O'); break;
case 0x3e00: spputc('\033'), spputc('['), spputc('P'); break;
case 0x3f00: spputc('\033'), spputc('['), spputc('Q'); break;
case 0x4000: spputc('\033'), spputc('['), spputc('R'); break;
case 0x4100: spputc('\033'), spputc('['), spputc('S'); break;
case 0x4200: spputc('\033'), spputc('['), spputc('T'); break;
case 0x4300: spputc('\033'), spputc('['), spputc('U'); break;
case 0x4400: spputc('\033'), spputc('['), spputc('V'); break;
case 0x5400: spputc('\033'), spputc('['), spputc('Y'); break;
case 0x5500: spputc('\033'), spputc('['), spputc('Z'); break;
case 0x5600: spputc('\033'), spputc('['), spputc('a'); break;
case 0x5700: spputc('\033'), spputc('['), spputc('b'); break;
case 0x5800: spputc('\033'), spputc('['), spputc('c'); break;
case 0x5900: spputc('\033'), spputc('['), spputc('d'); break;
case 0x5a00: spputc('\033'), spputc('['), spputc('e'); break;
case 0x5b00: spputc('\033'), spputc('['), spputc('f'); break;
case 0x5c00: spputc('\033'), spputc('['), spputc('g'); break;
case 0x5d00: spputc('\033'), spputc('['), spputc('h'); break;
case 0x5e00: spputc('\033'), spputc('['), spputc('k'); break;
case 0x5f00: spputc('\033'), spputc('['), spputc('l'); break;
case 0x6000: spputc('\033'), spputc('['), spputc('m'); break;
case 0x6100: spputc('\033'), spputc('['), spputc('n'); break;
case 0x6200: spputc('\033'), spputc('['), spputc('o'); break;
case 0x6300: spputc('\033'), spputc('['), spputc('p'); break;
case 0x6400: spputc('\033'), spputc('['), spputc('q'); break;
case 0x6500: spputc('\033'), spputc('['), spputc('r'); break;
case 0x6600: spputc('\033'), spputc('['), spputc('s'); break;
case 0x6700: spputc('\033'), spputc('['), spputc('t'); break;
case 0x6800: spputc('\033'), spputc('['), spputc('w'); break;
case 0x6900: spputc('\033'), spputc('['), spputc('x'); break;
case 0x6a00: spputc('\033'), spputc('['), spputc('y'); break;
case 0x6b00: spputc('\033'), spputc('['), spputc('z'); break;
case 0x6c00: spputc('\033'), spputc('['), spputc('@'); break;
case 0x6d00: spputc('\033'), spputc('['), spputc('['); break;
case 0x6e00: spputc('\033'), spputc('['), spputc('\\'); break;
case 0x6f00: spputc('\033'), spputc('['), spputc(']'); break;
case 0x7000: spputc('\033'), spputc('['), spputc('^'); break;
case 0x7100: spputc('\033'), spputc('['), spputc('_'); break;
}
}
/* Check serial port */
if(spcangetc()) ttyout(spgetc());
goto loop;
}
