Initial commit for 68020/30/40/60/68881/68882/68851 support.

[rmac] / procln.c

diff --git a/procln.c b/procln.c
index dd8980622be2eb42d4f4ebd7e3dd75ab3572c9f7..65d7580b7a14a013fefae620dfa243275f292dc0 100644 (file)
--- a/procln.c
+++ b/procln.c
@@ -7,16 +7,17 @@
 //
 
 #include "procln.h"
-#include "listing.h"
+#include "6502.h"
 #include "amode.h"
+#include "direct.h"
 #include "error.h"
-#include "sect.h"
 #include "expr.h"
+#include "listing.h"
 #include "mach.h"
-#include "direct.h"
 #include "macro.h"
-#include "symbol.h"
 #include "riscasm.h"
+#include "sect.h"
+#include "symbol.h"
 
 #define DEF_KW                                 // Declare keyword values
 #include "kwtab.h"                             // Incl generated keyword tables & defs
@@ -29,6 +30,9 @@
 #define DECL_MR
 #include "risckw.h"
 
+#define DEF_MP                                 // Include 6502 keyword definitions
+#define DECL_MP                                        // Include 6502 keyword state machine tables
+#include "6502kw.h"
 
 IFENT * ifent;                                 // Current ifent
 static IFENT ifent0;                   // Root ifent
@@ -37,6 +41,8 @@ static int disabled;                  // Assembly conditionally disabled
 int just_bss;                                  // 1, ds.b in microprocessor mode
 VALUE pcloc;                                   // Value of "PC" at beginning of line
 SYM * lab_sym;                                 // Label on line (or NULL)
+int bfparam1;                                  // bfxxx instruction parameters
+int bfparam2;                                  // bfxxx instruction parameters
 
 const char extra_stuff[] = "extra (unexpected) text found after addressing mode";
 const char comma_error[] = "missing comma";
@@ -45,7 +51,7 @@ const char locgl_error[] = "cannot GLOBL local symbol";
 const char lab_ignored[] = "label ignored";
 
 // Table to convert an addressing-mode number to a bitmask.
-LONG amsktab[0112] = {
+LONG amsktab[0124] = {
        M_DREG, M_DREG, M_DREG, M_DREG,
        M_DREG, M_DREG, M_DREG, M_DREG,
 
@@ -84,8 +90,18 @@ LONG amsktab[0112] = {
        M_AM_USP,                                                                               // 0106
        M_AM_SR,                                                                                // 0107
        M_AM_CCR,                                                                               // 0110
-       M_AM_NONE                                                                               // 0111
-};                                                                                                     // 0112 length
+       M_AM_NONE,                                                                              // 0111 
+       0x30,                                                                                   // 0112 
+       0x30,                                                                                   // 0113
+       0L,                                                                                         // 0114
+       0L,                                                                                         // 0115
+       0L,                                                                                         // 0116
+       0L,                                                                                         // 0117
+       M_CREG,                                                                             // 0120 (caches - TODO: is this correct or does it need its own bitfield?)
+       M_CREG,                                                                             // 0121
+       M_FREG,                                         // 0122
+       M_FPSCR                                         // 0123
+};                                                                                                     // 0123 length
 
 
 // Function prototypes
@@ -173,6 +189,9 @@ loop1:                                                                              // Internal line processing loop
        // First token MUST be a symbol (Shamus: not sure why :-/)
        if (*tok != SYMBOL)
        {
+        if (*tok>=KW_D0 && *tok<=KW_R31)
+            error("cannot use reserved keyword as label name or .equ");
+        else
                error("syntax error; expected symbol");
                goto loop;
        }
@@ -257,6 +276,17 @@ as68label:
                siz = SIZL, tok++;
        else if (*tok == DOTB)
                siz = SIZB, tok++;
+       else if(*tok == DOTD)
+               siz = SIZD, tok++;
+       else if(*tok == DOTP)
+               siz = SIZP, tok++;
+       else if(*tok == DOTQ)
+               siz = SIZQ, tok++;
+       else if(*tok == DOTS)
+               siz = SIZS, tok++;
+       else if(*tok == DOTX)
+               siz = SIZX, tok++;
+
 
        // Do special directives (500..999) (These must be handled in "real time")
        if (state >= 500 && state < 1000)
@@ -566,6 +596,41 @@ When checking to see if it's already been equated, issue a warning.
        if (state == -3)
                goto loop;
 
+       // If we're in 6502 mode and are still in need of a mnemonic, then search
+       // for valid 6502 mnemonic.
+       if (m6502 && (state < 0 || state >= 1000))
+       {
+#ifdef ST
+               state = kmatch(opname, mpbase, mpcheck, mptab, mpaccept);
+#else
+               for(state=0, p=opname; state>= 0; )
+               {
+                       j = mpbase[state] + tolowertab[*p];
+
+                       if (mpcheck[j] != state)        // Reject, character doesn't match
+                       {
+                               state = -1;             // No match
+                               break;
+                       }
+
+                       if (!*++p)
+                       {                       // Must accept or reject at EOS
+                               state = mpaccept[j];    // (-1 on no terminal match)
+                               break;
+                       }
+
+                       state = mptab[j];
+               }
+#endif
+
+               // Call 6502 code generator if we found a mnemonic
+               if (state >= 2000)
+               {
+                       m6502cg(state - 2000);
+                       goto loop;
+               }
+       }
+
        // If we are in GPU or DSP mode and still in need of a mnemonic then search
        // for one
        if ((rgpu || rdsp) && (state < 0 || state >= 1000))