path: root/source/defs.h

#define MAX_BANKS 4096
#define BANK_SIZE 8192

/* path separator */
#if defined(DJGPP) || defined(MSDOS) || defined(WIN32)
#define PATH_SEPARATOR '\\'
#define PATH_SEPARATOR_STRING "\\"
#else
#define PATH_SEPARATOR '/'
#define PATH_SEPARATOR_STRING "/"
#endif

/* machine */
#define MACHINE_PCE  0
#define MACHINE_NES  1

/* reserved bank index */
#define RESERVED_BANK  (MAX_BANKS - 0x10)
#define PROC_BANK      (MAX_BANKS - 0x10 + 1)
#define GROUP_BANK     (MAX_BANKS - 0x10 + 2)

/* tile format for encoder */
#define CHUNKY_TILE    1
#define PACKED_TILE    2

/* line buffer length */
#define LAST_CH_POS  158
#define SFIELD  26
#define SBOLSZ  128

/* macro argument types */
#define NO_ARG      0
#define ARG_REG      1
#define ARG_IMM      2
#define ARG_ABS      3
#define ARG_INDIRECT  4
#define ARG_STRING    5
#define ARG_LABEL    6

/* section types */
#define S_ZP  0
#define S_BSS  1
#define S_CODE  2
#define S_DATA  3

/* assembler options */
#define OPT_LIST   0
#define OPT_MACRO   1
#define OPT_WARNING   2
#define OPT_OPTIMIZE 3

/* assembler directives */
#define P_DB     0  // .db
#define P_DW     1  // .dw
#define P_DS     2  // .ds
#define P_EQU     3  // .equ
#define P_ORG     4  // .org
#define P_PAGE     5  // .page
#define P_BANK     6  // .bank
#define P_INCBIN   7  // .incbin
#define P_INCLUDE   8  // .include
#define P_INCCHR   9  // .incchr
#define P_INCSPR  10  // .incspr
#define P_INCPAL  11  // .incpal
#define P_INCBAT  12  // .incbat
#define P_MACRO    13  // .macro
#define P_ENDM    14  // .endm
#define P_LIST    15  // .list
#define P_MLIST    16  // .mlist
#define P_NOLIST  17  // .nolist
#define P_NOMLIST  18  // .nomlist
#define P_RSSET    19  // .rsset
#define P_RS    20  // .rs
#define P_IF    21  // .if
#define P_ELSE    22  // .else
#define P_ENDIF    23  // .endif
#define P_FAIL    24  // .fail
#define P_ZP    25  // .zp
#define P_BSS    26  // .bss
#define P_CODE    27  // .code
#define P_DATA    28  // .data
#define P_DEFCHR  29  // .defchr
#define P_FUNC    30  // .func
#define P_IFDEF    31  // .ifdef
#define P_IFNDEF  32  // .ifndef
#define P_VRAM    33  // .vram
#define P_PAL    34  // .pal
#define P_DEFPAL  35  // .defpal
#define P_DEFSPR  36  // .defspr
#define P_INESPRG  37  // .inesprg
#define P_INESCHR  38  // .ineschr
#define P_INESMAP  39  // .inesmap
#define P_INESMIR  40  // .inesmir
#define P_OPT    41  // .opt
#define P_INCTILE  42  // .inctile
#define P_INCMAP  43  // .incmap
#define P_PROC    45  // .proc
#define P_ENDP    46  // .endp
#define P_PGROUP  47  // .procgroup
#define P_ENDPG    48  // .endprocgroup
#define P_CALL    49  // .call
#define P_INESPRGRAM  50  // .inesprgram
#define P_INESPRGNVRAM  51  // .inesprgnvram
#define P_INESCHRRAM  52  // .ineschrram
#define P_INESCHRNVRAM  53  // .ineschrnvram
#define P_INESSUBMAP  54  // .inessubmap
#define P_INESBAT  55  // .inesbat
#define P_INESTIM  56  // .inestim
#define P_SEQU     57  // .sequ
#define P_STR      58  // .str

/* symbol flags */
#define MDEF  3  /* multiply defined */
#define UNDEF  1  /* undefined - may be zero page */
#define IFUNDEF  2  /* declared in a .if expression */
#define DEFABS  4  /* defined - two byte address */
#define MACRO  5  /* used for a macro name */
#define FUNC  6  /* used for a function */
#define DEFSTR  7  /* defined - string */

/* operation code flags */
#define PSEUDO    0x0008000
#define CLASS1    0x0010000
#define CLASS2    0x0020000
#define CLASS3    0x0040000
#define CLASS5    0x0080000
#define CLASS6    0x0100000
#define CLASS7    0x0200000
#define CLASS8    0x0400000
#define CLASS9    0x0800000
#define CLASS10    0x1000000
#define ACC      0x0000001
#define IMM      0x0000002
#define ZP      0x0000004
#define ZP_X    0x0000008
#define ZP_Y    0x0000010
#define ZP_IND    0x0000020
#define ZP_IND_X  0x0000040
#define ZP_IND_Y  0x0000080
#define ABS      0x0000100
#define ABS_X    0x0000200
#define ABS_Y    0x0000400
#define ABS_IND    0x0000800
#define ABS_IND_X  0x0001000

/* pass flags */
#define FIRST_PASS  0
#define LAST_PASS  1

/* structs */
typedef struct t_opcode {
  struct t_opcode *next;
  char  *name;
  void (*proc)(int *);
  int    flag;
  int    value;
  int    type_idx;
} t_opcode;

typedef struct t_input_info {
  FILE *fp;
  int   lnum;
  int   if_level;
  char  name[116];
} t_input_info;

typedef struct t_proc {
  struct t_proc *next;
  struct t_proc *link;
  struct t_proc *group;
  int  old_bank;
  int  bank;
  int  org;
  int  base;
  int  size;
  int  call;
  int  type;
  int  refcnt;
  char name[SBOLSZ];
} t_proc;

typedef struct t_symbol {
  struct t_symbol *next;
  struct t_symbol *local;
  struct t_proc   *proc;
  int  type;
  int  value;
  char* str_value;
  int  bank;
  int  page;
  int  nb;
  int  size;
  int  vram;
  int  pal;
  int  refcnt;
  int  reserved;
  int  equ;
  int  data_type;
  int  data_size;
  char name[SBOLSZ];
} t_symbol;

typedef struct t_line {
  struct t_line *next;
  char *data;
} t_line;

typedef struct t_macro {
  struct t_macro *next;
  struct t_line *line;
  char name[SBOLSZ];
} t_macro;

typedef struct t_func {
  struct t_func *next;
  char line[128];
  char name[SBOLSZ];
} t_func;

typedef struct t_tile {
  struct t_tile *next;
  unsigned char *data;
  unsigned int   crc;
  int index;
} t_tile;

typedef struct t_machine {
  int type;
  char *asm_name;
  char *asm_title;
  char *rom_ext;
  char *include_env;
  unsigned int zp_limit;
  unsigned int ram_limit;
  unsigned int ram_base;
  unsigned int ram_page;
  unsigned int ram_bank;
  struct t_opcode *inst;
  struct t_opcode *pseudo_inst;
  int  (*pack_8x8_tile)(unsigned char *, void *, int, int);
  int  (*pack_16x16_tile)(unsigned char *, void *, int,  int);
  int  (*pack_16x16_sprite)(unsigned char *, void *, int,  int);
  void (*write_header)(FILE *, int);
} MACHINE;