Version bump for last patch. :-)

[rmac] / direct.c

diff --git a/direct.c b/direct.c
index 0cee4b37640c331429b5f0c7c6134dc3ca34d91d..dc44e8e62371b5b5eb72229801c8800bd347fdf6 100644 (file)
--- a/direct.c
+++ b/direct.c
@@ -77,8 +77,8 @@ int (*dirtab[])() = {
        d_title,                        // 44 title
        d_subttl,                       // 45 subttl
        eject,                          // 46 eject
-       d_unimpl,                       // 47 error
-       d_unimpl,                       // 48 warn
+       d_error,                        // 47 error 
+       d_warn,                         // 48 warn 
        d_noclear,                      // 49 .noclear
        d_equrundef,            // 50 .equrundef/.regundef
        d_ccundef,                      // 51 .ccundef
@@ -87,9 +87,53 @@ int (*dirtab[])() = {
        d_jpad,                         // 54 .jpad (deprecated)
        d_nojpad,                       // 55 .nojpad (deprecated)
        d_gpumain,                      // 56 .gpumain (deprecated)
+       d_prgflags,                     // 57 .prgflags
+       d_opt,                          // 58 .opt
 };
 
 
+//
+// .error - Abort compilation, printing an error message
+//
+int d_error(char *str)
+{
+       if (*tok == EOL)
+               return error("error directive encountered - aborting assembling");
+       else
+       {
+               switch(*tok)
+               {
+               case STRING:
+                       return error(string[tok[1]]);
+                       break;
+               default:
+                       return error("error directive encountered - aborting assembling");
+               }
+       }
+}
+
+
+//
+// .warn - Just display a warning on screen
+//
+int d_warn(char *str)
+{
+       if (*tok == EOL)
+               return warn("WARNING WARNING WARNING");
+       else
+       {
+               switch(*tok)
+               {
+               case STRING:
+                       return warn(string[tok[1]]);
+                       break;
+               default:
+                       return warn("WARNING WARNING WARNING");
+               }
+       }
+}
+
+
 //
 // .org - Set origin
 //
@@ -677,6 +721,27 @@ int d_globl(void)
 }
 
 
+//
+// .prgflags expression
+//
+int d_prgflags(void)
+{
+       VALUE eval;
+
+       if (*tok == EOL)
+               return error("PRGFLAGS requires value");
+       else if (abs_expr(&eval) == OK)
+       {
+               PRGFLAGS=eval;
+               return 0;
+       }
+       else
+       {
+               return error("PRGFLAGS requires value");
+       }
+}
+
+
 //
 // .abs [expression]
 //
@@ -750,8 +815,7 @@ int d_bss(void)
 //
 int d_ds(WORD siz)
 {
-if (verb_flag)
-       printf("Directive: .ds.[size] = %u, sloc = $%X\n", siz, sloc);
+       DEBUG { printf("Directive: .ds.[size] = %u, sloc = $%X\n", siz, sloc); }
 
        VALUE eval;
 
@@ -768,9 +832,14 @@ if (verb_flag)
        if (abs_expr(&eval) != OK)
                return 0;
 
+       // Check to see if the value being passed in is negative (who the hell does
+       // that?--nobody does; it's the code gremlins, or rum, that does it)
+       if (eval < 0)
+               return error("negative sizes not allowed");
+
        // In non-TDB section (BSS, ABS and M6502) just advance the location
        // counter appropriately. In TDB sections, deposit (possibly large) chunks
-       //of zeroed memory....
+       // of zeroed memory....
        if (scattr & SBSS)
        {
                listvalue(eval);
@@ -933,6 +1002,8 @@ int d_dcb(WORD siz)
        VALUE evalc, eval;
        WORD eattr;
 
+       DEBUG { printf("dcb: section is %s%s%s (scattr=$%X)\n", (cursect & TEXT ? "TEXT" : ""), (cursect & DATA ? " DATA" : ""), (cursect & BSS ? "BSS" : ""), scattr); }
+
        if ((scattr & SBSS) != 0)
                return error("illegal initialization of section");
 
@@ -1519,3 +1590,30 @@ int d_gpumain(void)
        return error("What the hell? Do you think we adhere to the Goof standard?");
 }
 
+
+//
+// .opt - turn a specific (or all) optimisation on or off
+//
+int d_opt(void)
+{
+       while (*tok != EOL)
+       {
+               if (*tok == STRING)
+               {
+                       tok++;
+                       char * tmpstr = string[*tok++];
+
+                       if (ParseOptimization(tmpstr) != OK)
+                       {
+                               char temperr[256];
+                               sprintf(temperr, "unknown optimisation flag '%s'", tmpstr);
+                               return error(temperr);
+                       }
+               }
+               else
+                       return error(".opt directive needs every switch enclosed inside quotation marks");
+       }
+
+       return OK;
+}
+