X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=direct.c;h=5da6347f2a0ccab6d1f1ba5fe0e3fa4c34934603;hp=8d3d804330ad71f8080f232c0d2ef640fdd5cb39;hb=03dd34951a331e0b8971195ccef1600fffaea2e6;hpb=751aa148a93f2830cf0a56ab9f662a0416127ddc

diff --git a/direct.c b/direct.c
index 8d3d804..5da6347 100644
--- a/direct.c
+++ b/direct.c
@@ -1,13 +1,14 @@
 //
-// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RMAC - Reboot's Macro Assembler for all Atari computers
 // DIRECT.C - Directive Handling
-// Copyright (C) 199x Landon Dyer, 2017 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
 // Source utilised with the kind permission of Landon Dyer
 //
 
 #include "direct.h"
 #include "6502.h"
+#include "amode.h"
 #include "error.h"
 #include "expr.h"
 #include "listing.h"
@@ -31,6 +32,15 @@ char buffer[256];			// Scratch buffer for messages
 // 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);
+int d_68060(void);
+int d_68881(void);
+int d_68882(void);
+int d_56001(void);
+int d_nofpu(void);
 int d_bss(void);
 int d_data(void);
 int d_text(void);
@@ -66,6 +76,7 @@ int d_fail(void);
 int d_cstruct(void);
 int d_prgflags(void);
 int d_opt(void);
+int d_dsp(void);
 
 // Directive handler table
 int (*dirtab[])() = {
@@ -127,6 +138,14 @@ int (*dirtab[])() = {
 	d_nojpad,			// 55 .nojpad (deprecated)
 	d_gpumain,			// 56 .gpumain (deprecated)
 	d_prgflags,			// 57 .prgflags
+	d_68020,			// 58 .68020
+	d_68030,			// 59 .68030
+	d_68040,			// 60 .68040
+	d_68060,			// 61 .68060
+	d_68881,			// 62 .68881
+	d_68882,			// 63 .68882
+	d_56001,			// 64 .56001
+	d_nofpu,			// 65 nofpu
 	d_opt,				// 58 .opt
 };
 
@@ -929,7 +948,9 @@ int d_ds(WORD siz)
 
 	// 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)
+	// N.B.: Since VALUE is of type uint32_t, if it goes negative, it will have
+	//       its high bit set.
+	if (eval & 0x80000000)
 		return error("negative sizes not allowed");
 
 	// In non-TDB section (BSS, ABS and M6502) just advance the location
@@ -1039,15 +1060,15 @@ int d_dc(WORD siz)
 			}
 			else
 			{
+				if (tdb)
+					return error("non-absolute byte value");
+
 				if (eval + 0x100 >= 0x200)
 				{
 					sprintf(buffer, "%s (value = $%X)", range_error, eval);
 					return error(buffer);
 				}
 
-				if (tdb)
-					return error("non-absolute byte value");
-
 				D_byte(eval);
 			}
 
@@ -1374,10 +1395,98 @@ int d_68000(void)
 	orgwarning = 0;
 	SaveSection();
 	SwitchSection(TEXT);
+	activecpu = CPU_68000;
+	return 0;
+}
+
+
+//
+// .68020 - Back to 68000 TEXT segment and select 68020
+//
+int d_68020(void)
+{
+	d_68000();
+	activecpu = CPU_68020;
+	return 0;
+}
+
+
+//
+// .68030 - Back to 68000 TEXT segment and select 68030
+//
+int d_68030(void)
+{
+	d_68000();
+	activecpu = CPU_68030;
+	return 0;
+}
+
+
+//
+// .68040 - Back to 68000 TEXT segment and select 68040
+//
+int d_68040(void)
+{
+	d_68000();
+	activecpu = CPU_68040;
+	activefpu = FPU_68040;
 	return 0;
 }
 
 
+//
+// .68060 - Back to 68000 TEXT segment and select 68060
+//
+int d_68060(void)
+{
+	d_68000();
+	activecpu = CPU_68060;
+	activefpu = FPU_68040;
+	return 0;
+}
+
+
+//
+// .68881 - Back to 68000 TEXT segment and select 68881 FPU
+//
+int d_68881(void)
+{
+	d_68000();
+	activefpu = FPU_68881;
+	return 0;
+}
+
+
+//
+// .68882 - Back to 68000 TEXT segment and select 68882 FPU
+//
+int d_68882(void)
+{
+	d_68000();
+	activefpu = FPU_68881;
+	return 0;
+}
+
+
+//
+// nofpu - Deselect FPUs.
+//
+int d_nofpu(void)
+{
+	activefpu = FPU_NONE;
+	return 0;
+}
+
+
+//
+// DSP56001
+//
+int d_56001(void)
+{
+	return error("Not yet, child. Be patient.");
+}
+
+
 //
 // .gpu - Switch to GPU assembler
 //