// Macros to deposit code in the current section
// D_rword deposits a "6502" format (low, high) word (01).
// D_rlong deposits a MWC "canonical byte order" longword (2301).
-#define D_byte(b) {*chptr++=(char)b; ++sloc; ++ch_size; if(orgactive) ++orgaddr;}
-#define D_word(w) {chcheck(2);*chptr++=(char)(w>>8); *chptr++=(char)w; \
- sloc+=2; ch_size+=2; if(orgactive) orgaddr += 2;}
-#define D_long(lw) {*chptr++=(char)(lw>>24); *chptr++=(char)(lw>>16);\
- *chptr++=(char)(lw>>8); *chptr++=(char)lw; \
- sloc+=4; ch_size += 4; if(orgactive) orgaddr += 4;}
-#define D_rword(w) {*chptr++=(char)w; *chptr++=(char)(w>>8); \
- sloc+=2; ch_size+=2;if(orgactive) orgaddr += 2;}
-#define D_rlong(lw) {*chptr++=(char)(lw>>16);*chptr++=(char)(lw>>24);\
- *chptr++=(char)lw;*chptr++=(char)(lw>>8); \
- sloc+=4; ch_size += 4;if(orgactive) orgaddr += 4;}
+#define D_byte(b) {*chptr++=(char)b; ++sloc; ++ch_size; if(orgactive) ++orgaddr;}
+#define D_word(w) {chcheck(2);*chptr++=(char)(w>>8); *chptr++=(char)w; \
+ sloc+=2; ch_size+=2; if(orgactive) orgaddr += 2;}
+#define D_long(lw) {*chptr++=(char)(lw>>24); *chptr++=(char)(lw>>16);\
+ *chptr++=(char)(lw>>8); *chptr++=(char)lw; \
+ sloc+=4; ch_size += 4; if(orgactive) orgaddr += 4;}
+//#define D_rword(w) {*chptr++=(char)w; *chptr++=(char)(w>>8); \
+// sloc+=2; ch_size+=2;if(orgactive) orgaddr += 2;}
+//#define D_rlong(lw) {*chptr++=(char)(lw>>16);*chptr++=(char)(lw>>24);\
+// *chptr++=(char)lw;*chptr++=(char)(lw>>8); \
+// sloc+=4; ch_size += 4;if(orgactive) orgaddr += 4;}
+// Fill n bytes with zeroes
+#define D_ZEROFILL(n) {memset(chptr, 0, n); chptr+=n; sloc+=n; ch_size+=n;\
+ if (orgactive) orgaddr+=n;}
#define NSECTS 16 // Max. number of sections
#define FU_PCREL 020 // Subtract PC first
#define FU_EXPR 040 // Expression (not symbol) follows
+#define FUMASKRISC 0x0F00 // Mask for RISC fixup cases
#define FU_MOVEI 0x0100
#define FU_JR 0x0200
-#define FU_MJR 0x0300
#define FU_REGONE 0x0400
#define FU_NUM15 0x0500
#define FU_NUM31 0x0600
#define FU_NUM32 0x0700
#define FU_REGTWO 0x0800
+
#define FU_SUB32 0x1000
#define FU_ISBRA 0x2000 // Word forward fixup is a BRA or DBRA
#define FU_LBRA 0x4000 // Long branch, for short branch detect
CHUNK * chnext; // Next, previous chunks in section
CHUNK * chprev;
LONG chloc; // Base addr of this chunk
- LONG challoc; // #bytes allocated for chunk
- LONG ch_size; // #bytes chunk actually uses
+ LONG challoc; // # bytes allocated for chunk
+ LONG ch_size; // # bytes chunk actually uses
char * chptr; // Data for this chunk
};
MCHUNK {
MCHUNK * mcnext; // Next mark chunk
PTR mcptr; // Vector of marks
- LONG mcalloc; // #marks allocted to mark block
- LONG mcused; // #marks used in block
+ LONG mcalloc; // # marks allocted to mark block
+ LONG mcused; // # marks used in block
};
#define MWORD 0x0000 // Marked word
#define MCHEND 0x2000 // Indicates end of mark chunk
#define MPCREL 0x1000 // Mark is PC-relative
-#define MAXFWDJUMPS 1024 // Maximum forward jumps to check
-extern unsigned fwdjump[MAXFWDJUMPS];
-extern unsigned fwindex;
-
// Globals, external etc
extern LONG sloc;
extern WORD scattr;
extern CHUNK * scode;
// Prototypes
-void init_sect(void);
-void switchsect(int);
-void savsect(void);
+void InitSection(void);
+void SwitchSection(int);
+void SaveSection(void);
int fixtest(int, LONG);
int chcheck(LONG);
-int fixup(WORD, LONG, TOKEN *);
-int fixups(void);
-int resfix(int);
+int AddFixup(WORD, LONG, TOKEN *);
+int ResolveAllFixups(void);
#endif // __SECT_H__