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externs.h
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extern unsigned char rom[128][8192];
extern unsigned char map[128][8192];
extern char bank_name[128][64];
extern int bank_loccnt[4][256];
extern int bank_page[4][256];
extern int max_zp; /* higher used address in zero page */
extern int max_bss; /* higher used address in ram */
extern int max_bank; /* last bank used */
extern int data_loccnt; /* data location counter */
extern int data_size; /* size of binary output (in bytes) */
extern int data_level; /* data output level, must be <= listlevel to be outputed */
extern int loccnt; /* location counter */
extern int bank; /* current bank */
extern int bank_base; /* bank base index */
extern int bank_limit; /* bank limit */
extern int rom_limit; /* rom max. size in bytes */
extern int page; /* page */
extern int rsbase; /* .rs counter */
extern int section; /* current section: S_ZP, S_BSS, S_CODE or S_DATA */
extern int section_bank[4]; /* current bank for each section */
extern int in_if; /* true if in a '.if' statement */
extern int if_expr; /* set when parsing an .if expression */
extern int if_level; /* level of nested .if's */
extern int skip_lines; /* when true skip lines */
extern int continued_line; /* set when a line is the continuation of another line */
extern int pcx_w, pcx_h; /* PCX dimensions */
extern int pcx_nb_colors; /* number of colors (16/256) in the PCX */
extern int pcx_nb_args; /* number of argument */
extern unsigned int pcx_arg[8]; /* PCX args array */
extern unsigned char *pcx_buf; /* pointer to the PCX buffer */
extern unsigned char pcx_pal[256][3]; /* palette */
extern unsigned char *expr; /* expression string pointer */
extern int mopt;
extern int in_macro;
extern int expand_macro;
extern char marg[8][10][80];
extern int midx;
extern int mcounter, mcntmax;
extern int mcntstack[8];
extern struct t_line *mstack[8];
extern struct t_line *mlptr;
extern struct t_macro *macro_tbl[256];
extern struct t_macro *mptr;
extern struct t_func *func_tbl[256];
extern struct t_func *func_ptr;
extern struct t_proc *proc_ptr;
extern int proc_nb;
extern char func_arg[8][10][80];
extern int func_idx;
extern int infile_error;
extern int infile_num;
extern FILE *out_fp; /* file pointers, output */
extern FILE *in_fp; /* input */
extern FILE *lst_fp; /* listing */
extern struct t_input_info input_file[8];
extern struct t_machine *machine;
extern struct t_machine nes;
extern struct t_machine pce;
extern struct t_opcode *inst_tbl[256]; /* instructions hash table */
extern struct t_symbol *hash_tbl[256]; /* label hash table */
extern struct t_symbol *lablptr; /* label pointer into symbol table */
extern struct t_symbol *glablptr; /* pointer to the latest defined global symbol */
extern struct t_symbol *lastlabl; /* last label we have seen */
extern struct t_symbol *bank_glabl[4][256]; /* latest global label in each bank */
extern int stop_pass; /* stop the program; set by fatal_error() */
extern int errcnt; /* error counter */
extern void (*opproc)(int *); /* instruction gen proc */
extern int opflg; /* instruction flags */
extern int opval; /* instruction value */
extern int optype; /* instruction type */
extern char opext; /* instruction extension (.l or .h) */
extern int pass; /* pass counter */
extern char prlnbuf[]; /* input line buffer */
extern char tmplnbuf[]; /* temporary line buffer */
extern int slnum; /* source line number counter */
extern char symbol[]; /* temporary symbol storage */
extern int undef; /* undefined symbol in expression flag */
extern unsigned int value; /* operand field value */
extern int mlist_opt; /* macro listing main flag */
extern int xlist; /* listing file main flag */
extern int list_level; /* output level */
extern int asm_opt[8]; /* assembler option state */
extern int opvaltab[6][16];