6502 support added back from original Madmac sources!

[rmac] / procln.c

diff --git a/procln.c b/procln.c
index dd8980622be2eb42d4f4ebd7e3dd75ab3572c9f7..4afd5388c092035de15310389b7bf7156dded649 100644 (file)
--- a/procln.c
+++ b/procln.c
@@ -29,6 +29,12 @@
 #define DECL_MR
 #include "risckw.h"
 
+#define DEF_MP                 /* include 6502 keyword definitions */
+#define DECL_MP                        /* include 6502 keyword state machine tables */
+#include "6502.h"
+extern int m6502;              /* 1, assembler in .6502 mode */
+extern VOID m6502cg();         /* 6502 code generator */
+extern VOID m6502obj(int ofd);
 
 IFENT * ifent;                                 // Current ifent
 static IFENT ifent0;                   // Root ifent
@@ -566,6 +572,44 @@ 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))