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/* 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 0xF0
#define PROC_BANK 0xF1
#define GROUP_BANK 0xF2
/* 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_MML 44 // .mml
#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
/* 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 */
/* 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;
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;
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