]> Shamusworld >> Repos - rmac/blobdiff - direct.c
Version bump for last patch; now at v1.13.4.
[rmac] / direct.c
index 7447553694944895c62c5e94dd428ba34c62ca4f..2511473fb5c89953decbe40a3579943dfb84f8c0 100644 (file)
--- a/direct.c
+++ b/direct.c
@@ -1,7 +1,7 @@
 //
 // RMAC - Reboot's Macro Assembler for all Atari computers
 // DIRECT.C - Directive Handling
-// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2018 Reboot and Friends
 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
 // Source utilised with the kind permission of Landon Dyer
 //
@@ -35,7 +35,6 @@ int largestAlign[3] = { 2, 2, 2 };    // Largest alignment value seen per section
 // Function prototypes
 int d_unimpl(void);
 int d_68000(void);
-int d_68000(void);
 int d_68020(void);
 int d_68030(void);
 int d_68040(void);
@@ -80,6 +79,7 @@ int d_cstruct(void);
 int d_prgflags(void);
 int d_opt(void);
 int d_dsp(void);
+int d_objproc(void);
 void SetLargestAlignment(int);
 
 // Directive handler table
@@ -150,7 +150,8 @@ int (*dirtab[])() = {
        d_68882,                        // 63 .68882
        d_56001,                        // 64 .56001
        d_nofpu,                        // 65 nofpu
-       d_opt,                          // 58 .opt
+       d_opt,                          // 66 .opt
+       d_objproc,                      // 67 .objproc
 };
 
 
@@ -217,8 +218,8 @@ int d_org(void)
 {
        uint64_t address;
 
-       if (!rgpu && !rdsp && !m6502)
-               return error(".org permitted only in gpu/dsp and 6502 sections");
+       if (!rgpu && !rdsp && !robjproc && !m6502)
+               return error(".org permitted only in GPU/DSP/OP and 6502 sections");
 
        if (abs_expr(&address) == ERROR)
        {
@@ -226,7 +227,7 @@ int d_org(void)
                return ERROR;
        }
 
-       if (rgpu | rdsp)
+       if (rgpu | rdsp | robjproc)
        {
                orgaddr = address;
                orgactive = 1;
@@ -1067,9 +1068,6 @@ int d_dc(WORD siz)
                uint16_t tdb = eattr & TDB;
                uint16_t defined = eattr & DEFINED;
 
-               if ((challoc - ch_size) < 4)
-                       chcheck(4);
-
                switch (siz)
                {
                case SIZB:
@@ -1137,6 +1135,7 @@ int d_dc(WORD siz)
 
                                D_long(eval);
                        }
+
                        break;
                case SIZQ:
                        // 64-bit size
@@ -1145,7 +1144,17 @@ int d_dc(WORD siz)
 
                        // Shamus: We only handle DC.Q type stuff, will have to add fixups
                        //         and stuff later (maybe... might not be needed...)
-                       D_quad(eval);
+                       // DEFINITELY NEED FIXUPS HERE!
+                       if (!defined)
+                       {
+                               AddFixup(FU_QUAD, sloc, exprbuf);
+                               D_quad(0LL);
+                       }
+                       else
+                       {
+                               D_quad(eval);
+                       }
+
                        break;
                case SIZS:
                        // 32-bit float size
@@ -1159,8 +1168,9 @@ int d_dc(WORD siz)
                        }
                        else
                        {
-                               if (tdb)
-                                       MarkRelocatable(cursect, sloc, tdb, MSINGLE, NULL);
+//Would this *ever* happen?
+//                             if (tdb)
+//                                     MarkRelocatable(cursect, sloc, tdb, MSINGLE, NULL);
 
                                PTR ptr;
                                ptr.u64 = &eval;
@@ -1181,8 +1191,9 @@ int d_dc(WORD siz)
                        }
                        else
                        {
-                               if (tdb)
-                                       MarkRelocatable(cursect, sloc, tdb, MDOUBLE, NULL);
+//Would this *ever* happen?
+//                             if (tdb)
+//                                     MarkRelocatable(cursect, sloc, tdb, MDOUBLE, NULL);
 
                                PTR ptr;
                                ptr.u64 = &eval;
@@ -1205,8 +1216,9 @@ int d_dc(WORD siz)
                        }
                        else
                        {
-                               if (tdb)
-                                       MarkRelocatable(cursect, sloc, tdb, MEXTEND, NULL);
+//Would this *ever* happen?
+//                             if (tdb)
+//                                     MarkRelocatable(cursect, sloc, tdb, MEXTEND, NULL);
 
                                PTR ptr;
                                ptr.u64 = &eval;
@@ -1430,7 +1442,7 @@ int d_comm(void)
        p = string[tok[1]];
        tok += 2;
 
-       if (*p == '.')                                                  // Cannot .comm a local symbol
+       if (*p == '.')                                          // Cannot .comm a local symbol
                return error(locgl_error);
 
        if ((sym = lookup(p, LABEL, 0)) == NULL)
@@ -1446,10 +1458,10 @@ int d_comm(void)
        if (*tok++ != ',')
                return error(comma_error);
 
-       if (abs_expr(&eval) != OK)                              // Parse size of common region
+       if (abs_expr(&eval) != OK)                      // Parse size of common region
                return 0;
 
-       sym->svalue = (uint32_t)eval;                   // Install common symbol's size
+       sym->svalue = eval;                                     // Install common symbol's size
        at_eol();
        return 0;
 }
@@ -1484,7 +1496,7 @@ int d_nlist(void)
 //
 int d_68000(void)
 {
-       rgpu = rdsp = 0;
+       rgpu = rdsp = robjproc = 0;
        // Switching from gpu/dsp sections should reset any ORG'd Address
        orgactive = 0;
        orgwarning = 0;
@@ -1536,29 +1548,29 @@ int d_68060(void)
 {
        d_68000();
        activecpu = CPU_68060;
-       activefpu = FPU_68040;
+       activefpu = FPU_68060;
        return 0;
 }
 
 
 //
-// .68881 - Back to 68000 TEXT segment and select 68881 FPU
+// .68881 - Back to 680x0 TEXT segment and select 68881 FPU
 //
 int d_68881(void)
 {
-       d_68000();
+       //d_68000();
        activefpu = FPU_68881;
        return 0;
 }
 
 
 //
-// .68882 - Back to 68000 TEXT segment and select 68882 FPU
+// .68882 - Back to 680x0 TEXT segment and select 68882 FPU
 //
 int d_68882(void)
 {
-       d_68000();
-       activefpu = FPU_68881;
+       //d_68000();
+       activefpu = FPU_68882;
        return 0;
 }
 
@@ -1602,6 +1614,7 @@ int d_gpu(void)
 
        rgpu = 1;                       // Set GPU assembly
        rdsp = 0;                       // Unset DSP assembly
+       robjproc = 0;           // Unset OP assembly
        regbank = BANK_N;       // Set no default register bank
        return 0;
 }
@@ -1627,6 +1640,7 @@ int d_dsp(void)
 
        rdsp = 1;                       // Set DSP assembly
        rgpu = 0;                       // Unset GPU assembly
+       robjproc = 0;           // Unset OP assembly
        regbank = BANK_N;       // Set no default register bank
        return 0;
 }
@@ -1689,7 +1703,7 @@ int d_cargs(void)
                        AddToSymbolDeclarationList(symbol);
 
                        symbol->sattr |= (ABS | DEFINED | EQUATED);
-                       symbol->svalue = (uint32_t)eval;
+                       symbol->svalue = eval;
                        tok += 2;
 
                        // What this does is eat any dot suffixes attached to a symbol. If
@@ -1816,7 +1830,7 @@ int d_cstruct(void)
                        }
 
                        symbol->sattr |= (ABS | DEFINED | EQUATED);
-                       symbol->svalue = (uint32_t)eval;
+                       symbol->svalue = eval;
 
                        // Check for dot suffixes and adjust space accordingly (longs and
                        // words on an odd boundary get bumped to the next word aligned
@@ -1877,6 +1891,32 @@ int d_cstruct(void)
 }
 
 
+//
+// Define start of OP object list (allows the use of ORG)
+//
+int d_objproc(void)
+{
+       if ((cursect != TEXT) && (cursect != DATA))
+       {
+               error(".objproc can only be used in the TEXT or DATA segments");
+               return ERROR;
+       }
+
+       // If previous section was DSP or 68000 then we need to reset ORG'd
+       // Addresses
+       if (!robjproc)
+       {
+               orgactive = 0;
+               orgwarning = 0;
+       }
+
+       robjproc = 1;           // Set OP assembly
+       rgpu = 0;                       // Unset GPU assembly
+       rdsp = 0;                       // Unset DSP assembly
+       return OK;
+}
+
+
 //
 // Undefine a macro - .undefmac macname [, macname...]
 //