X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=eagen0.c;h=b4b58861a24425c57f695a4f824a1bcd46887d2a;hp=1bb00ba7c6a372798f81625dccf24251cfedb49c;hb=29b32d134bc12831a8ddd098bf9aeeda26dcfe7c;hpb=49eac9eff9d177e717de7bc8799a632c46b79237

diff --git a/eagen0.c b/eagen0.c
index 1bb00ba..b4b5886 100644
--- a/eagen0.c
+++ b/eagen0.c
@@ -9,12 +9,13 @@
 
 int eaNgen(WORD siz)
 {
-	VALUE vbd, v = aNexval;
+	uint32_t vbd, v = (uint32_t)aNexval;
 	WORD wbd, w = (WORD)(aNexattr & DEFINED);
 	WORD tdbbd, tdb = (WORD)(aNexattr & TDB);
-	vbd = aNbdexval;
+	vbd = (uint32_t)aNbdexval;
 	wbd = (WORD)(aNbdexattr & DEFINED);
 	tdbbd = (WORD)(aNbdexattr & TDB);
+	uint8_t extDbl[12];
 
 	switch (amN)
 	{
@@ -86,7 +87,7 @@ int eaNgen(WORD siz)
 		{
 			// Just deposit it
 			if ((aNexattr & TDB) == cursect)
-				v -= (VALUE)sloc;
+				v -= (uint32_t)sloc;
 			else if ((aNexattr & TDB) != ABS)
 				error(rel_error);
 
@@ -136,7 +137,7 @@ int eaNgen(WORD siz)
 		{
 			// Deposit a byte...
 			if ((aNexattr & TDB) == cursect)
-				v -= (VALUE)sloc;
+				v -= (uint32_t)sloc;
 			else if ((aNexattr & TDB) != ABS)
 				error(rel_error);
 
@@ -208,6 +209,70 @@ int eaNgen(WORD siz)
 				D_long(0);
 			}
 
+			break;
+		case SIZS:
+			// 68881/68882/68040 only
+			if (w)
+			{
+				if (tdb)
+					MarkRelocatable(cursect, sloc, tdb, MSINGLE, NULL);
+
+				// The value passed back from expr() is an internal C double;
+				// so we have to access it as such then convert it to an
+				// IEEE-754 float so we can store it as such in the instruction
+				// stream here.
+				PTR p;
+				p.u64 = &aNexval;
+				float f = (float)*p.dp;
+				uint32_t ieee754 = FloatToIEEE754(f);
+				D_long(ieee754);
+			}
+			else
+			{
+				AddFixup(FU_FLOATSING, sloc, aNexpr);
+				D_long(0);	// IEEE-754 zero is all zeroes
+			}
+
+    		break;
+		case SIZD:
+			// 68881/68882/68040 only
+			if (w)
+			{
+				if (tdb)
+					MarkRelocatable(cursect, sloc, tdb, MDOUBLE, NULL);
+
+				PTR p;
+				p.u64 = &aNexval;
+				double d = *p.dp;
+				uint64_t ieee754 = DoubleToIEEE754(d);
+				D_quad(ieee754);
+			}
+			else
+			{
+				AddFixup(FU_FLOATDOUB, sloc, aNexpr);
+				D_quad(0LL);	// IEEE-754 zero is all zeroes
+			}
+
+			break;
+		case SIZX:
+			// 68881/68882/68040 only
+			if (w)
+			{
+				if (tdb)
+					MarkRelocatable(cursect, sloc, tdb, MEXTEND, NULL);
+
+				PTR p;
+				p.u64 = &aNexval;
+				DoubleToExtended(*p.dp, extDbl);
+				D_extend(extDbl);
+			}
+			else
+			{
+				AddFixup(FU_FLOATDOUB, sloc, aNexpr);
+				memset(extDbl, 0, 12);
+				D_extend(extDbl);
+			}
+
 			break;
 		default:
 			// IMMED size problem
@@ -253,10 +318,10 @@ int eaNgen(WORD siz)
 
 		break;
 	case DINDW:
-		D_word(0x190|(aNixreg<<12));
+		D_word((0x190 | (aNixreg << 12)));
 		break;
 	case DINDL:
-		D_word(0x990|(aNixreg<<12));
+		D_word((0x990 | (aNixreg << 12)));
 		break;
 	case ABASE:
 	case MEMPOST:
@@ -266,11 +331,11 @@ int eaNgen(WORD siz)
 	case PCMPRE:
 		D_word(aNexten);
 		// Deposit bd (if not suppressed)
-		if ((aNexten&0x0030)==EXT_BDSIZE0)
+		if ((aNexten & 0x0030) == EXT_BDSIZE0)
 		{
 			// Don't deposit anything (suppressed)
 		}
-		else if ((aNexten&0x0030)==EXT_BDSIZEW)
+		else if ((aNexten & 0x0030) == EXT_BDSIZEW)
 		{
 			// Deposit word bd
 			if (wbd)
@@ -287,7 +352,7 @@ int eaNgen(WORD siz)
 			else
 			{
 				// Arrange for fixup later on
-				AddFixup(FU_WORD|FU_SEXT, sloc, aNbexpr);
+				AddFixup(FU_WORD | FU_SEXT, sloc, aNbexpr);
 				D_word(0);
 			}
 		}
@@ -310,13 +375,13 @@ int eaNgen(WORD siz)
 			}
 		}
 		// Deposit od (if not suppressed)
-		if ((aNexten&7)==EXT_IISPRE0 || (aNexten&7)==EXT_IISPREN
-			|| (aNexten&7)==EXT_IISNOIN || (aNexten&7)==EXT_IISPOSN)
+		if ((aNexten & 7) == EXT_IISPRE0 || (aNexten & 7) == EXT_IISPREN
+			|| (aNexten & 7) == EXT_IISNOIN || (aNexten & 7) == EXT_IISPOSN)
 		{
 			// Don't deposit anything (suppressed)
 		}
-		else if ((aNexten&7)==EXT_IISPREW
-			|| (aNexten&7)==EXT_IISPOSW || (aNexten&7)==EXT_IISNOIW)
+		else if ((aNexten & 7) == EXT_IISPREW
+			|| (aNexten & 7) == EXT_IISPOSW || (aNexten & 7) == EXT_IISNOIW)
 		{
 			// Deposit word od
 			if (w)
@@ -333,7 +398,7 @@ int eaNgen(WORD siz)
 			else
 			{
 				// Arrange for fixup later on
-				AddFixup(FU_WORD|FU_SEXT, sloc, aNexpr);
+				AddFixup(FU_WORD | FU_SEXT, sloc, aNexpr);
 				D_word(0);
 			}
 		}
@@ -351,7 +416,7 @@ int eaNgen(WORD siz)
 			else
 			{
 				// Arrange for fixup later on
-				AddFixup(FU_LONG|FU_SEXT, sloc, aNexpr);
+				AddFixup(FU_LONG | FU_SEXT, sloc, aNexpr);
 				D_long(0);
 			}
 		}