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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_100
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198_01
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dg10.c
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C/C++ Source or Header
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1990-01-21
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4KB
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206 lines
/*
* The routines in this file provide support for the Data General Model 10
* Microcomputer.
*/
#define termdef 1 /* don't define "term" external */
#include <stdio.h>
#include "estruct.h"
#include "edef.h"
#if DG10
#define NROW 24 /* Screen size. */
#define NCOL 80 /* Edit if you want to. */
#define NPAUSE 100 /* # times thru update to pause */
#define MARGIN 8 /* size of minimim margin and */
#define SCRSIZ 64 /* scroll size for extended lines */
#define BEL 0x07 /* BEL character. */
#define ESC 30 /* DG10 ESC character. */
extern int ttopen(); /* Forward references. */
extern int ttgetc();
extern int ttputc();
extern int ttflush();
extern int ttclose();
extern int dg10kopen();
extern int dg10kclose();
extern int dg10move();
extern int dg10eeol();
extern int dg10eeop();
extern int dg10beep();
extern int dg10open();
extern int dg10rev();
extern int dg10close();
extern int dg10cres();
#if COLOR
extern int dg10fcol();
extern int dg10bcol();
int cfcolor = -1; /* current forground color */
int cbcolor = -1; /* current background color */
int ctrans[] = { /* emacs -> DG10 color translation table */
0, 4, 2, 6, 1, 5, 3, 7};
#endif
/*
* Standard terminal interface dispatch table. Most of the fields point into
* "termio" code.
*/
TERM term = {
NROW-1,
NROW-1,
NCOL,
NCOL,
MARGIN,
SCRSIZ,
NPAUSE,
dg10open,
dg10close,
dg10kopen,
dg10kclose,
ttgetc,
ttputc,
ttflush,
dg10move,
dg10eeol,
dg10eeop,
dg10beep,
dg10rev,
dg10cres
#if COLOR
, dg10fcol,
dg10bcol
#endif
};
#if COLOR
dg10fcol(color) /* set the current output color */
int color; /* color to set */
{
if (color == cfcolor)
return;
ttputc(ESC);
ttputc(0101);
ttputc(ctrans[color]);
cfcolor = color;
}
dg10bcol(color) /* set the current background color */
int color; /* color to set */
{
if (color == cbcolor)
return;
ttputc(ESC);
ttputc(0102);
ttputc(ctrans[color]);
cbcolor = color;
}
#endif
dg10move(row, col)
{
ttputc(16);
ttputc(col);
ttputc(row);
}
dg10eeol()
{
ttputc(11);
}
dg10eeop()
{
#if COLOR
dg10fcol(gfcolor);
dg10bcol(gbcolor);
#endif
ttputc(ESC);
ttputc(0106);
ttputc(0106);
}
dg10rev(state) /* change reverse video state */
int state; /* TRUE = reverse, FALSE = normal */
{
#if COLOR
if (state == TRUE) {
dg10fcol(0);
dg10bcol(7);
}
#else
ttputc(ESC);
ttputc(state ? 0104: 0105);
#endif
}
dg10cres() /* change screen resolution */
{
return(TRUE);
}
spal() /* change palette string */
{
/* Does nothing here */
}
dg10beep()
{
ttputc(BEL);
ttflush();
}
dg10open()
{
strcpy(sres, "NORMAL");
revexist = TRUE;
ttopen();
}
dg10close()
{
#if COLOR
dg10fcol(7);
dg10bcol(0);
#endif
ttclose();
}
dg10kopen()
{
}
dg10kclose()
{
}
#if FLABEL
fnclabel(f, n) /* label a function key */
int f,n; /* default flag, numeric argument [unused] */
{
/* on machines with no function keys...don't bother */
return(TRUE);
}
#endif
#else
dg10hello()
{
}
#endif