]> Shamusworld >> Repos - rmac/blobdiff - riscasm.c
Add support for 64-bit evaluations.
[rmac] / riscasm.c
index 6238cf9b0d93489f62b9e5dfa649c14f07b5afe1..63466716173eef8ae94f8a348d3dd8981e6d479b 100644 (file)
--- a/riscasm.c
+++ b/riscasm.c
@@ -127,38 +127,30 @@ void strtoupper(char * s)
 //
 static inline int MalformedOpcode(int signal)
 {
-       char buf[16];
-       sprintf(buf, "%02X", signal);
-       return errors("Malformed opcode [internal $%s]", buf);
+       return error("Malformed opcode [internal $%02X]", signal);
 }
 
+
 //
 // Function to return "Illegal Indexed Register" error
 // Anyone trying to index something other than R14 or R15
 //
 static inline int IllegalIndexedRegister(int reg)
 {
-    char buf[16];
-    sprintf(buf, "%d", reg - KW_R0);
-    return errors("Attempted index reference with non-indexable register (r%s)", buf);
+       return error("Attempted index reference with non-indexable register (r%d)", reg - KW_R0);
 }
 
+
 //
 // Function to return "Illegal Indexed Register" error for EQUR scenarios
 // Trying to use register value within EQUR that isn't 14 or 15
 //
-static inline int IllegalIndexedRegisterEqur(SYM *sy)
+static inline int IllegalIndexedRegisterEqur(SYM * sy)
 {
-    //char buf[160];
-    char *buf = NULL;
-    buf = (char *)malloc((strlen(sy->sname) + 7) * sizeof(char));
-    if (NULL != buf) {
-        sprintf(buf, "%s = r%d",sy->sname, sy->svalue);
-        return errors("Attempted index reference with non-indexable register within EQUR (%s)", buf);
-    }
-    return errors("Unable to allocate memory! (IllegalIndexRegisterEqur)", "OOPS");
+       return error("Attempted index reference with non-indexable register within EQUR (%s = r%d)", sy->sname, sy->svalue);
 }
 
+
 //
 // Build RISC instruction word
 //
@@ -182,7 +174,7 @@ void BuildRISCIntructionWord(unsigned short opcode, int reg1, int reg2)
 //
 int GetRegister(WORD rattr)
 {
-       VALUE eval;                                     // Expression value
+       uint64_t eval;                          // Expression value
        WORD eattr;                                     // Expression attributes
        SYM * esym;                                     // External symbol involved in expr.
        TOKEN r_expr[EXPRSIZE];         // Expression token list
@@ -225,7 +217,7 @@ int GenerateRISCCode(int state)
        WORD attrflg;
        int indexed;                            // Indexed register flag
 
-       VALUE eval;                                     // Expression value
+       uint64_t eval;                          // Expression value
        WORD eattr;                                     // Expression attributes
        SYM * esym;                                     // External symbol involved in expr.
        TOKEN r_expr[EXPRSIZE];         // Expression token list
@@ -730,7 +722,8 @@ int GenerateRISCCode(int state)
                        {
                                // CC using a constant number
                                tok++;
-                               val = *tok;
+                               tok++;          // Toss hi LONG, as most likely not 64-bit number
+                               val = *tok;     // Use lo LONG
                                tok++;
                                CHECK_COMMA;
                        }
@@ -758,9 +751,7 @@ int GenerateRISCCode(int state)
                                        ccsym = lookup(string[tok[1]], LABEL, 0);
 
                                        if (ccsym && (ccsym->sattre & EQUATEDCC) && !(ccsym->sattre & UNDEF_CC))
-                                       {
                                                val = ccsym->svalue;
-                                       }
                                        else
                                                return error("unknown condition code");
                                }
@@ -805,7 +796,7 @@ int GenerateRISCCode(int state)
                                reg2 = ((int)(eval - ((orgactive ? orgaddr : sloc) + 2))) / 2;
 
                                if ((reg2 < -16) || (reg2 > 15))
-                                       error("PC relative overflow");
+                                       error("PC relative overflow (outside of -16 to 15)");
                        }
 
                        BuildRISCIntructionWord(parm, reg2, reg1);