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Length: 1840 (0x730)
Types: TextFile
Names: »assem.h«
└─⟦b20c6495f⟧ Bits:30007238 EUUGD18: Wien-båndet, efterår 1987
└─⟦this⟧ »EUUGD18/General/Corewars/assem.h«
/* Copyrighted (C) 1989 by Na Choon Piaw. All rights reserved */
/* This program and documentation is Public Domain, and may be */
/* distributed and copied by everyone provided this header */
/* remains intact */
/* MARS redcode assembler:
Header file
Restarted in Novemeber '88
Na Choon Piaw */
/* note that tag is just a generic name for something that I can't think
of a name for. ---- CP */
/* define instruction set */
typedef enum { dat, mov, add, sub, jmp, jmz, jmn, djn, cmp, spl } instr;
/* define addressing modes */
typedef enum { immed, direct, indirect } mode;
/* define structure of an instruction */
/* NOTE: this will probably differ from the interpreter's version */
typedef struct
{
instr inst; /* instruction */
int para1,para2; /* first parameter, second parameter */
mode m1,m2; /* addressing modes for parameters */
} memory; /* memory element */
/* define compiler limits */
#define MAXINST 200 /* maximum number of instructions */
#define SYMBOLS 100 /* maximum number of symbols in symbol table */
#define MAXBUFFER 256 /* maximum size of string buffer */
#define COMMENT ';' /* comment character */
/* linked list of tokens for tokenizer and assembler to work on */
typedef struct tag0
{
char *token; /* token as a string */
struct tag0 *next; /* next token */
} tokenlist;
/* symbol table structure */
typedef struct
{
char *symbol; /* pointer to string of symbol */
int position; /* position the symbol belongs to */
} tag1;
/* now to define the strings that the assembler recognizes */
#define MOV "MOV"
#define ADD "ADD"
#define SUB "SUB"
#define JMP "JMP"
#define JMZ "JMZ"
#define JMN "JMN"
#define DJN "DJN"
#define CMP "CMP"
#define SPL "SPL"
#define DAT "DAT"