]> Shamusworld >> Repos - rmac/blobdiff - procln.c
.equr overhaul part 5: enabled .equr for all registers for all architectures
[rmac] / procln.c
index 77b7b50f065cb7e4a4b98c7087e957376c473647..ef7bf1cc7be760b2bc52468670a2cd4056a3098b 100644 (file)
--- a/procln.c
+++ b/procln.c
@@ -154,8 +154,7 @@ void Assemble(void)
        char * opname = NULL;           // Name of dirctve/mnemonic/macro
        int listflag;                           // 0: Don't call listeol()
        WORD rmask;                                     // Register list, for REG
-       int registerbank;                       // RISC register bank
-       int riscreg;                            // RISC register
+       int equreg;                             // RISC register
        listflag = 0;                           // Initialise listing flag
 
 loop:                                                  // Line processing loop label
@@ -434,65 +433,24 @@ have an array of bools with 64 entries. Whenever a register is equated, set the
 corresponding register bool to true. Whenever it's undef'ed, set it to false.
 When checking to see if it's already been equated, issue a warning.
 */
-                       // Check that we are in a RISC section
-                       if (!rgpu && !rdsp)
-                       {
-                               error(".equr/.regequ must be defined in .gpu/.dsp section");
-                               goto loop;
-                       }
 
                        // Check for register to equate to
-                       if ((*tok >= KW_R0) && (*tok <= KW_R31))
+                       // This check will change once we split the registers per architecture into their own tables
+                       // and out of kw.tab. But for now it'll do...
+                       if ((*tok >= KW_D0) && (*tok <= KW_BA))
                        {
-//                             sy->sattre  = EQUATEDREG | RISCSYM;     // Mark as equated register
-                               sy->sattre  = EQUATEDREG;       // Mark as equated register
-                               riscreg = (*tok - KW_R0);
-//is there any reason to do this, since we're putting this in svalue?
-//i'm thinking, no. Let's test that out! :-D
-//                             sy->sattre |= (riscreg << 8);           // Store register number
-//everything seems to build fine without it... We'll leave it here Just In Case(tm)
-
-#define DEBODGE_REGBANK
-#ifdef DEBODGE_REGBANK
-                               // Default is current state of "regbank"
-                               registerbank = regbank;
-#else
-                               // Default is no register bank specified
-                               registerbank = BANK_N;
-#endif
-
-                               // Check for ",<bank #>" override notation
-                               if ((tok[1] == ',') && (tok[2] == CONST))
+                               sy->sattre = EQUATEDREG;        // Mark as equated register
+                               equreg = *tok;
+                               // Check for ",<bank #>" override notation and skip past it.
+                               // It is ignored now. Was that ever useful anyway?
+                               if ((rgpu ||rdsp) && (tok[1] == ',') && (tok[2] == CONST))
                                {
-                                       // Advance token pointer to the constant
-                                       tok += 3;
-
-                                       // Anything other than a 0 or a 1 will result in "No Bank"
-                                       if (*(uint64_t *)tok == 0)
-                                               registerbank = BANK_0;
-                                       else if (*(uint64_t *)tok == 1)
-                                               registerbank = BANK_1;
-
-                                       // Advance half-way through the 64-bit const.
-                                       // The code below, expecting a regular token,
-                                       // will advance past the second half.
-                                       tok++;
+                                       // Advance token pointer and skip everything
+                                       tok += 4;
                                }
 
-#ifdef DEBODGE_REGBANK
-                               sy->sattre |= registerbank;     // Store register bank
-#else
-// What needs to happen here is to prime registerbank with regbank, then use
-// registerbank down below for the bank marking.
-#warning "!!! regbank <-> registerbank confusion here !!!"
-// The question here is why, if we're allowed to override the ".regbankN" rules
-// above, then why is it using the one set by the directive in the extended
-// attributes and not in what ends up in symbol->svalue?
-// ".regbankN" is not an original Madmac directive, so it's suspect
-                               sy->sattre |= regbank;          // Store register bank
-#endif
                                eattr = ABS | DEFINED | GLOBAL;
-                               eval = riscreg;
+                               eval = equreg;
                                tok++;
                        }
                        // Checking for a register symbol
@@ -503,12 +461,12 @@ When checking to see if it's already been equated, issue a warning.
                                // Make sure symbol is a valid equreg
                                if (!sy2 || !(sy2->sattre & EQUATEDREG))
                                {
-                                       error("invalid GPU/DSP .equr/.regequ definition");
+                                       error("invalid .equr/.regequ definition");
                                        goto loop;
                                }
                                else
                                {
-                                       eattr = ABS | DEFINED | GLOBAL; // Copy symbols attributes
+                                       eattr = ABS | DEFINED | GLOBAL; // Copy symbol's attributes
                                        sy->sattre = sy2->sattre;
                                        eval = (sy2->svalue & 0xFFFFF0FF);
                                        tok += 2;
@@ -516,7 +474,7 @@ When checking to see if it's already been equated, issue a warning.
                        }
                        else
                        {
-                               error("invalid GPU/DSP .equr/.regequ definition");
+                               error("invalid .equr/.regequ definition");
                                goto loop;
                        }
                }