/*********************************************************************
 *  a terminal program that has ascii and xmodem transfer capability
 *
 *	     860823 DBW - Integrated and rewrote lots of code
 *	v2.0 860809 DBW	- Major release.. LOTS of changes
 *	v1.1 860720 DBW	- Switches, 80 cols, colors, bug fixes
 *	v1.0 860712 DBW	- First version released
 *
 *  use esc to abort xmodem transfer
 *
 *  written by Michael Mounier
 *  new version by Dave Wecker 860621
 ************************************************************************/

/* define the compiler type here */
#define	LATTICE	0
#define MANX	1

/*  compiler directives to fetch the necessary header files */
#include <exec/types.h>
#include <exec/exec.h>
#include <intuition/intuition.h>
#include <intuition/intuitionbase.h>
#include <graphics/gfxbase.h>
#include <graphics/gfx.h>
#include <graphics/text.h>
#include <graphics/regions.h>
#include <graphics/copper.h>
#include <graphics/gels.h>
#include <devices/serial.h>
#include <devices/keymap.h>
#include <hardware/blit.h>
#include <stdio.h>
#include <ctype.h>
#include <libraries/dos.h>
#include <devices/timer.h>

#if MANX
#include <functions.h>
#undef NULL
#define   NULL   ((void *)0)
#endif

#define INTUITION_REV 1L
#define GRAPHICS_REV  1L

/* things for xmodem send and recieve */
#define GOODREAD    0
#define TIMEOUT	    1
#define USERABORT   2
#define SECSIZ   0x80
#define TTIME_SHORT 5        /* number of seconds for short timeout */
#define TTIME_LONG  50	     /* number of seconds for long  timeout */
#define BufSize  0x1000      /* Text buffer */
#define ERRORMAX 10          /* Max errors before abort */
#define RETRYMAX 10          /* Maximum retrys before abort */
#define SOH      1           /* Start of sector char */
#define EOT      4           /* end of transmission char */
#define ACK      6           /* acknowledge sector transmission */
#define NAK      21          /* error in transmission detected */

#define FILEMAX 8    /* number of file menu items */
#define RSMAX 5      /* speed menu items */
#define XFMAX 2      /* transfer mode items */
#define SCRIPTMAX 2  /* script menu items */
#define MAXMENU 4    /* total number of menu entries */

#define BOLD	    1	    /* modes in curmode and savmode */
#define	UNDERLINE   2
#define	REVERSE	    4
#define	BLINK	    8

/* things for script support */

#define GOTOLABEL   1
#define	NEXTCOMMAND 0
#define ONCOMMAND   2

#define	WAIT_TIMER  2
#define WAIT_STRING 1

extern struct MsgPort *CreatePort();

#ifdef MODULE_MAIN
char    bufr[BufSize];
int     fd, timeout = FALSE, ttime;
int	multi = FALSE, server;
long    bytes_xferred;
struct IntuitionBase *IntuitionBase;
struct GfxBase *GfxBase;

struct NewScreen NewScreen = {
   0L,197L,640L,205L,1L,       /* left, top, width, height, depth */
   0,1,HIRES,    /* DetailPen, BlockPen, ViewModes */
   CUSTOMSCREEN,NULL,   /* Type, Font */
   (UBYTE *)"VT100 Terminal Screen", /* Title */
   NULL,NULL };         /* Gadgets, Bitmap */

struct NewWindow NewWindow = {
   0,3L,640L,200L,     /* left, top, width, height */
   0,1,              /* detailpen, blockpen */
   MENUPICK | CLOSEWINDOW | RAWKEY | NEWSIZE,
   SMART_REFRESH | REPORTMOUSE | ACTIVATE | BORDERLESS |
   WINDOWCLOSE | WINDOWDEPTH | WINDOWDRAG, /* Flags */
   NULL,NULL,        /* FirstGadget, CheckMark */
   (UBYTE *)
   "VT100 Terminal Window                                                  ",
   NULL,             /* set screen after open screen */
   NULL,             /* bitmap */
   640L, 200L, 640L, 200L,/* minw, minh, maxw, maxh */
   CUSTOMSCREEN      /* Type */
};

struct Screen *myscreen;            /* ptr to applications screen */
struct Window *mywindow;            /* ptr to applications window */
struct ViewPort *myviewport;
struct IntuiMessage *NewMessage;    /* msg structure for GetMsg() */
struct Preferences  *Prefs;	    /* preferences from GetPrefs() */

struct MenuItem FileItem[FILEMAX];
struct IntuiText FileText[FILEMAX];
struct MenuItem RSItem[RSMAX];
struct IntuiText RSText[RSMAX];
struct MenuItem XFItem[XFMAX];
struct IntuiText XFText[XFMAX];
struct MenuItem ScriptItem[SCRIPTMAX];
struct IntuiText ScriptText[SCRIPTMAX];
struct Menu menu[MAXMENU];
struct IOExtSer *Read_Request;
char rs_in[2048];
struct IOExtSer *Write_Request;
char rs_out[2];
struct timerequest Timer;
struct MsgPort *Timer_Port = NULL;
struct timerequest Script_Timer;
struct MsgPort *Script_Timer_Port = NULL;
int want_message;
int x,y,curmode;
int MINX	= 0;
int MAXX	= 632;
int MINY	= 14;
int MAXY	= 198;
int top		= 14;
int bot		= 198;
int savx	= 0;
int savy	= 14;
int savmode	= 0;
int nlmode	= 0;
int alt		= 0;
int savalt	= 0;
int a[2]	= { 0, 0 };
int sa[2]	= { 0, 0 };
int  inesc	= -1;
int  inctrl	= -1;
int  private	= 0;
int  badseq	= 0;
char *blanks	= "                                                                                 ";
int  maxcol	= 79;

/*************************** defaults ***********************************/
int	p_baud	     = 2400;	    /* baud rate */
int	p_screen     = 0;	    /* 0 = WORKBENCH,	    1 = CUSTOM */
int	p_interlace  = 0;	    /* 0 = no interlace,    1 = interlace */
int	p_depth	     = 2;	    /* number of bit planes (1 or 2) */
int	p_foreground = 0x840;	    /* default foreground RGB color */
int	p_background = 0x000;	    /* default background RGB color */
int	p_bold	     = 0xa00;	    /* default BOLD       RGB color */
int	p_cursor     = 0x00d;	    /* default Cursor	  RGB color */
int	p_lines	     = 24;	    /* number of lines on the screen */
int	p_mode	     = 0;	    /* 0 = image, 1 = CRLF (for kermit) */
int	p_xon	     = 0;	    /* 0 = disabled, 1 = enabled */
char	*p_f[10]     = {	    /* function key defaults */
    "\033OP","\033OQ","\033OR","\033OS",
    "f5","f6","f7","f8","f9","f10" };

char	*p_F[10]     = {	    /* shifted function key defaults */
    "F1","F2","F3","F4","F5",
    "F6","F7","F8","F9","F10"};

/* for script file */
int script_on;
int script_wait;

#else /* not MODULE_MAIN */

extern int     multi;		    /* flags multi file transfers */
extern int     server;
extern int     want_message;
extern char    bufr[BufSize];
extern int     fd, timeout, ttime;
extern long    bytes_xferred;

extern struct IntuitionBase *IntuitionBase;
extern struct GfxBase *GfxBase;

extern struct NewScreen NewScreen;
extern struct NewWindow NewWindow;
extern struct Screen *myscreen;
extern struct Window *mywindow;
extern struct ViewPort *myviewport;
extern struct IntuiMessage *NewMessage;
extern struct Preferences  *Prefs;
extern struct MenuItem FileItem[FILEMAX];
extern struct IntuiText FileText[FILEMAX];
extern struct MenuItem RSItem[RSMAX];
extern struct IntuiText RSText[RSMAX];
extern struct MenuItem XFItem[XFMAX];
extern struct IntuiText XFText[XFMAX];
extern struct MenuItem ScriptItem[SCRIPTMAX];
extern struct IntuiText ScriptText[SCRIPTMAX];
extern struct Menu menu[MAXMENU];
extern struct timerequest Timer, Script_Timer;
extern struct MsgPort *Timer_Port, *Script_Timer_Port;
extern struct IOExtSer *Read_Request;
extern char rs_in[2048];
extern struct IOExtSer *Write_Request;
extern char rs_out[2];
extern int x,y,curmode;
extern int MINX,MAXX,MINY,MAXY,top,bot,savx,savy;
extern int savmode,nlmode,alt,savalt,a[2],sa[2];
extern int inesc,inctrl,private,badseq,maxcol;
extern char *blanks;
extern int p_baud,p_screen,p_interlace,p_depth;
extern int p_foreground,p_background,p_bold,p_cursor,p_lines,p_mode,p_xon;
extern char *p_f[10],*p_F[10];
extern int script_on;
extern int script_wait;

extern int do_send(),do_capture();

#endif /* not MODULE_MAIN */

#ifndef MODULE_INIT
extern void InitDefaults(),InitDevs(),InitFileItems(),InitRSItems(),
	 InitXFItems(),InitScriptItems(),InitMenu();
#endif

#ifndef MODULE_WINDOW
extern	void filename(),emits(),emit(),emitbatch(),cursoroff(),cursoron();
extern	int  toasc();
#endif

#ifndef MODULE_XMODEM
extern	void sendchar(),sendstring();
extern	int  readchar(),XMODEM_Read_File(),XMODEM_Send_File();
#endif

#ifndef MODULE_REMOTE
extern	void doremote(),doindex();
#endif

#ifndef MODULE_KERMIT
extern	int  doksend(),dokreceive(), multi_xfer(), saybye();
#endif

#ifndef MODULE_SCRIPT
extern int script_start(), chk_script(), exit_script(), do_script_cmd();
#endif
