// near line 882 forth.c
// 26 18:13z w binary octal words

// test of vscode port vs wowki webbed

// keyboard heuristics

// 22:20z if it says 'yes item defined'
// that means it will not function on
// the webbed wokwi.

// end


camelforth-a.ino

diagram.json


/* n_sk_camelforth.cpp */
/* Thu  6 Jul 02:47:55 UTC 2023 */

      // bool waiting_now = SerialUSB.available();

// #include "api/Common.h"
// what was this for then // #include "USB/USBAPI.h"
#include <Arduino.h>
#include "common.h"

// #define SERIAL_FORTH SerialUSB

// #define SERIAL_FORTH Serial1
#define SERIAL_FORTH Serial

/* Mon  3 Jul 18:56:20 UTC 2023 */

#ifdef __cplusplus
extern "C" {
#endif

void this_here();
void interpreter(void);
extern void this_here_now();

void print_message(char *message) {
    char buffer[32];
    snprintf(buffer, 31, "%s", message, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_message_no_nl(char *message) {
    char buffer[32];
    snprintf(buffer, 31, "%s", message, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_the_address(unsigned int *p) {
    char buffer[12];
    snprintf(buffer, 11, "\n%8x:", p, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_the_addr_no_nl(unsigned int *p) {
    char buffer[12];
    snprintf(buffer, 11, "%8x:", p, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_each_number(unsigned int *p) {
    char buffer[12];
    buffer[0] = '\000';
    snprintf(buffer, 11, "  %8X", *p, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_dump_addr(unsigned char *p) {
    char buffer[24];
    buffer[0] = '\000';
    snprintf(buffer, 23, "\n%8x:", p,
             '\000'); // address at beginning of 16-byte line
    SERIAL_FORTH.print(buffer);
}

void print_dumped_char(unsigned char *p) {
    char buffer[24];
    buffer[0] = '\000';
    snprintf(buffer, 23, "%c", p, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_dumped_byte(unsigned char *p) {
    char buffer[24];
    buffer[0] = '\000';
    snprintf(buffer, 23, " %02x", *p, '\000');
    SERIAL_FORTH.print(buffer);
}

void print_dumped_byte_no_nl(unsigned char *p) {
    char buffer[5];
    buffer[0] = '\000';
    snprintf(buffer, 4, "%02x", *p, '\000');
    SERIAL_FORTH.print(buffer);
}

/*
  sample run - DUMP word  - line count on TOS

  HEX EEDDCCBB 20 40 60 CR .S CR
  HEX 200024D4 30 - 40 DUMP CR .S

*/

char getch(void) {
    bool waiting_ch = 0;
    // for (int testing = 5; testing > 0; testing--) { ; }
    while (!waiting_ch) {
        bool waiting_now = SERIAL_FORTH.available();
        waiting_ch = waiting_now;
    }
    if (waiting_ch) {
        unsigned int ch = SERIAL_FORTH.read();
        // SERIAL_FORTH.println("DID SEE THIS LINE 101");
        SERIAL_FORTH.write(ch);
        return (unsigned int)ch;
    }
}


void putch(unsigned int c) {
    /* this comment is out of date: */
    /* does NOT see end of line but does see both 0x08 and 0x7f */


#ifdef WOKWI_VSCODE

    int result = c - 8 ;
    bool isBackspace = result == 0;
    bool notBackspace = !isBackspace;

    if (isBackspace) {
        SERIAL_FORTH.write(0x08);
        SERIAL_FORTH.write(0x20);
    }

    if (notBackspace) {
        SERIAL_FORTH.write(0x08);
    }

#endif // #ifdef FOO

    char q = (char)c;
    SERIAL_FORTH.write(q);
}







int getquery(void) {
    // return(UARTCharsAvail(UART0_BASE) != 0);
    return (0 != 0);
}

#ifndef LED_BUILTIN
#define LED_BUILTIN 15
#endif

void blinker() {
    // for (int count = 2; count > 0; count--) {
    digitalWrite(LED_BUILTIN, 1);
    delay(70);
    digitalWrite(LED_BUILTIN, 0);
    delay(400);
    // }
}

// void make_it_reset() { NVIC_SystemReset(); }
void make_it_reset() { ; }

#ifdef __cplusplus
}
#endif

void talker() { SERIAL_FORTH.println("jobs"); }

void trapped() {
    for (int count = 3; count > 0; count--) {
        blinker();
    }
    // talker();
    interpreter();
    while (-1)
        ;
}

void setup() {
    delay(2200);
    pinMode(LED_BUILTIN, OUTPUT);
    SERIAL_FORTH.begin(115200);
    SERIAL_FORTH.print("\nspecific to Arduino Uno R4 WiFi");
    SERIAL_FORTH.print("    vsc-camelforth-uno-r4wifi  ");
    SERIAL_FORTH.println(
        "\n                                 Sun 25 Dec 02:52:47 UTC 2023");
    SERIAL_FORTH.println("\n\n    rev f15e4d0    shred: a   branch: wokwi-ver-aa");
    SERIAL_FORTH.println("\n\n   : nd CR DUP DUMP 10 + ;  \ 200024DC next dump ");
    // kinda seems like Serial1 is correct here 24 Dec 23z
    // Note: Serial1 was correct for ESP32 not UNO R4 WiFi m likely 25 Dec 23z
    // while(-1);
    trapped();
}

void loop() { ; }

/*
   REDO ME

   Sketch uses 33060 bytes (12%) of program storage space. Maximum is 262144
   bytes. Global variables use 18744 bytes (57%) of dynamic memory, leaving
   14024 bytes for local variables. Maximum is 32768 bytes.
*/

// lupine wolfe bat walrus
// END.

n_sk_camelforth.cpp

forth.c

/****h* camelforth/forth.h
 * NAME
 *  forth.h
 * DESCRIPTION
 *  Header file for forth.c
 ******
 * LICENSE TERMS
 *  CamelForth in C 
 *  copyright (c) 2016,2017 Bradford J. Rodriguez.
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 *  Commercial inquiries should be directed to the author at 
 *  115 First St., #105, Collingwood, Ontario L9Y 4W3 Canada
 *  or via email to bj@camelforth.com
 */

/*
 * CONFIGURATION FLAGS
 */

// #define INTERPRETER_ONLY       /* to omit Forth compiler words */

/* define only one of the following */
// 2 July 2023 was enabled define LINUX
// #define LINUX                   /* for development under Linux */
// #define TIVA_C                 /* for use with TI TM4C12x */

/* 
 * CONFIGURATION PARAMETERS
 */

#define CELL 4              /* CPU dependency, # of bytes/cell */
#define CELLWIDTH 32        /* # of bits/cell */
#define CELLMASK 0xffffffff /* mask for CELLWIDTH bits */

#define PSTACKSIZE 64       /* 64 cells */
#define RSTACKSIZE 64       /* 64 cells */
#define LSTACKSIZE 32       /* 32 cells */
#define USERSIZE   32       /* 32 cells */
#define TIBSIZE    84       /* 84 characters */
#define PADSIZE    84       /* 84 characters */
#define HOLDSIZE   34       /* 34 characters */

/*
 * DATA STRUCTURES
 */

#ifdef TIVA_C       /* why won't TI compiler handle variable string? */
struct Header {
    void * link;            /* pointer to previous header */
    void * cfa;             /* pointer to high level def'n */
    unsigned char flags;    /* immed flag and others */
    char nfa[13];           /* inline name string */
};
#else
struct Header {
    void * link;            /* pointer to previous header */
    void * cfa;             /* pointer to high level def'n */
    unsigned char flags;    /* immed flag and others */
    char nfa[];             /* inline name string */
};
#endif
 
#define HEADER(name,prev,flags,namestring) const struct Header H##name =\
    { (char *)H##prev.nfa, T##name, flags, namestring }
#define IMMEDIATE 1         /* immediate bit in flags */

#define CODE(name)       void F##name (void * pfa)
#define PRIMITIVE(name)  const void * T##name[] = { F##name }
#define THREAD(name)     const void * T##name[]
#define OFFSET(n)   (void *)(n*CELL)       /* see CELL above, = 4 */
#define LIT(n)      (void *)(n)

forth.h

fool.c

tty_io.c

#warning tried to include common.h and I hate intellisense on wokwi btw

// NEED a wokwi-specific trigger
// have one somewhere ;)
// no you must maintain on your own atm:

// ex.
// https://wokwi.com/projects/361670038747009025

#ifndef __COMMON_H__
#define __COMMON_H__

// swap these two to use wokwi webbed, or wokwi vscode:
#define NOT_WOKWI
#undef  NOT_WOKWI
// #define NOT_WOKWI

#ifdef NOT_WOKWI
#define HAVE_FOUND_NON_WOKWI_ENVIRONMENT
#warning this is not wokwi

#ifndef WOKWI_VSCODE

#define WOKWI_VSCODE

#endif
#endif
#ifndef NOT_WOKWI
#define HAVE_FOUND_WOKWI_ENVIRONMENT
#undef WOKWI_VSCODE
#warning this is very much wokwi
#endif
#endif // #ifndef __COMMON_H__

// end.