Added text tables

git-svn-id: svn://svn.cc65.org/cc65/trunk@941 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/da65/attrtab.h

@@ -55,6 +55,7 @@ typedef enum attr_t {
     atDWordTab	= 0x05,
     atAddrTab	= 0x06,
     atRtsTab	= 0x07,
+    atTextTab   = 0x08,
 
     /* Label flags */
     atNoLabel	= 0x00,		/* No label for this address */

src/da65/config.c

@@ -153,6 +153,7 @@ static void RangeSection (void)
 	{   "DWORDTABLE",	CFGTOK_DWORDTAB	},
 	{   "ADDRTABLE",	CFGTOK_ADDRTAB	},
 	{   "RTSTABLE",	    	CFGTOK_RTSTAB	},
+	{   "TEXTTABLE",        CFGTOK_TEXTTAB  },
     };
 
 
@@ -213,6 +214,7 @@ static void RangeSection (void)
 		    case CFGTOK_DWORDTAB:	Type = atDWordTab;	break;
 		    case CFGTOK_ADDRTAB:	Type = atAddrTab;	break;
        		    case CFGTOK_RTSTAB:		Type = atRtsTab;	break;
+		    case CFGTOK_TEXTTAB:       	Type = atTextTab;       break;
 		}
 		Needed |= tType;
 		CfgNextTok ();

src/da65/data.c

@@ -263,3 +263,82 @@ unsigned RtsTable (void)
 
 
 
+unsigned TextTable (void)
+/* Output a table of text messages */
+{
+    /* Count how many bytes may be output. */
+    unsigned ByteCount = GetSpan (atTextTab);
+
+    /* Output as many data bytes lines as needed. */
+    unsigned BytesLeft = ByteCount;
+    while (BytesLeft > 0) {
+
+	unsigned I;
+
+	/* Count the number of characters that can be output as such */
+	unsigned Count = 0;
+	while (Count < BytesLeft && Count < BytesPerLine*4-1) {
+	    unsigned char C = GetCodeByte (PC + Count);
+	    if (C >= 0x20 && C <= 0x7E && C != '\"') {
+	    	++Count;
+	    } else {
+	    	break;
+	    }
+	}
+
+	/* If we have text, output it */
+	if (Count > 0) {
+	    unsigned CBytes;
+	    Indent (MIndent);
+	    Output (".text");
+	    Indent (AIndent);
+	    Output ("\"");
+	    for (I = 0; I < Count; ++I) {
+	     	Output ("%c", GetCodeByte (PC+I));
+	    }
+	    Output ("\"");
+	    CBytes = Count;
+	    while (CBytes > 0) {
+		unsigned Chunk = CBytes;
+		if (Chunk > BytesPerLine) {
+		    Chunk = BytesPerLine;
+		}
+		LineComment (PC, Chunk);
+		LineFeed ();
+	     	CBytes -= Chunk;
+		PC += Chunk;
+	    }
+	    BytesLeft -= Count;
+	}
+
+	/* Count the number of bytes that must be output as bytes */
+	Count = 0;
+	while (Count < BytesLeft && Count < BytesPerLine) {
+	    unsigned char C = GetCodeByte (PC + Count);
+       	    if (C < 0x20 || C > 0x7E || C == '\"') {  
+	    	++Count;
+	    } else {
+	    	break;
+	    }
+	}
+
+	/* If we have raw output bytes, print them */
+	if (Count > 0) {
+	    DataByteLine (Count);
+	    PC += Count;
+	    BytesLeft -= Count;
+	}
+
+    }
+
+    /* If the next line is not a byte table line, add a separator */
+    if (CodeLeft() && GetStyleAttr (PC) != atTextTab) {
+	SeparatorLine ();
+    }
+
+    /* Return the number of bytes output */
+    return ByteCount;
+}
+
+
+

src/da65/data.h

@@ -58,7 +58,10 @@ unsigned AddrTable (void);
 
 unsigned RtsTable (void);
 /* Output a table of RTS addresses (address - 1) */
-	 
+
+unsigned TextTable (void);
+/* Output a table of text messages */
+
 
 
 /* End of data.h */

src/da65/main.c

@@ -267,6 +267,10 @@ static void OneOpcode (unsigned RemainingBytes)
 	    RtsTable ();
 	    break;
 
+	case atTextTab:
+	    TextTable ();
+	    break;
+
 	default:
 	    DataByteLine (1);
 	    ++PC;

src/da65/output.c

@@ -138,9 +138,9 @@ void Indent (unsigned N)
 void LineFeed (void)
 /* Add a linefeed to the output file */
 {
-    if (Pass == PassCount && PageLength > 0) {
+    if (Pass == PassCount) {
 	fputc ('\n', F);
-	if (++Line >= PageLength) {
+       	if (PageLength > 0 && ++Line >= PageLength) {
 	    if (FormFeeds) {
 		fputc ('\f', F);
 	    }

src/da65/scanner.h

@@ -81,6 +81,7 @@ typedef enum token_t {
     CFGTOK_DWORDTAB,
     CFGTOK_ADDRTAB,
     CFGTOK_RTSTAB,
+    CFGTOK_TEXTTAB,
 
     /* Label section */
     CFGTOK_NAME,