58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
|
/* RETRO ------------------------------------------------------
|
||
|
|
A personal, minimalistic forth
|
||
|
|
Copyright (c) 2016 - 2019 Charles Childers
|
||
|
|
---------------------------------------------------------- */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#ifndef IMAGEFUNCTIONS
|
||
|
|
#define IMAGEFUNCTIONS
|
||
|
|
|
||
|
|
#define TIB 1025
|
||
|
|
#define D_OFFSET_LINK 0
|
||
|
|
#define D_OFFSET_XT 1
|
||
|
|
#define D_OFFSET_CLASS 2
|
||
|
|
#define D_OFFSET_NAME 3
|
||
|
|
|
||
|
|
#define CELL int32_t
|
||
|
|
#define IMAGE_SIZE 524288 * 8
|
||
|
|
#define STACK_DEPTH 4096
|
||
|
|
#define ADDRESSES STACK_DEPTH * 3
|
||
|
|
|
||
|
|
extern CELL sp, rp, ip;
|
||
|
|
extern CELL data[STACK_DEPTH];
|
||
|
|
extern CELL address[ADDRESSES];
|
||
|
|
extern CELL memory[IMAGE_SIZE + 1];
|
||
|
|
|
||
|
|
#define TOS data[sp]
|
||
|
|
#define NOS data[sp-1]
|
||
|
|
#define TORS address[rp]
|
||
|
|
|
||
|
|
extern CELL Dictionary;
|
||
|
|
extern CELL NotFound;
|
||
|
|
extern CELL Compiler;
|
||
|
|
extern CELL interpret;
|
||
|
|
|
||
|
|
CELL stack_pop();
|
||
|
|
void stack_push(CELL value);
|
||
|
|
CELL string_inject(char *str, CELL buffer);
|
||
|
|
char *string_extract(CELL at);
|
||
|
|
CELL d_link(CELL dt);
|
||
|
|
CELL d_xt(CELL dt);
|
||
|
|
CELL d_class(CELL dt);
|
||
|
|
CELL d_name(CELL dt);
|
||
|
|
CELL d_lookup(CELL Dictionary, char *name);
|
||
|
|
CELL d_xt_for(char *Name, CELL Dictionary);
|
||
|
|
void update_rx();
|
||
|
|
void execute(CELL cell);
|
||
|
|
void ngaProcessOpcode(CELL opcode);
|
||
|
|
void ngaProcessPackedOpcodes(CELL opcode);
|
||
|
|
int ngaValidatePackedOpcodes(CELL opcode);
|
||
|
|
|
||
|
|
#endif
|