void DataDWordLine (unsigned ByteCount)
/* Output a line with dwords */
{
unsigned I;
Indent (MCol);
Output (".dword");
Indent (ACol);
for (I = 0; I < ByteCount; I += 4) {
if (I > 0) {
Output (",$%08lX", GetCodeDWord (PC+I));
} else {
Output ("$%08lX", GetCodeDWord (PC+I));
}
}
LineComment (PC, ByteCount);
LineFeed ();
}
void DataDByteLine (unsigned ByteCount)
/* Output a line with dbytes */
{
unsigned I;
Indent (MCol);
Output (".dbyt");
Indent (ACol);
for (I = 0; I < ByteCount; I += 2) {
if (I > 0) {
Output (",$%04X", GetCodeDByte (PC+I));
} else {
Output ("$%04X", GetCodeDByte (PC+I));
}
}
LineComment (PC, ByteCount);
LineFeed ();
}
void DataByteLine (unsigned ByteCount)
/* Output a line with bytes */
{
unsigned I;
Indent (MCol);
Output (".byte");
Indent (ACol);
for (I = 0; I < ByteCount; ++I) {
if (I > 0) {
Output (",$%02X", CodeBuf[PC+I]);
} else {
Output ("$%02X", CodeBuf[PC+I]);
}
}
LineComment (PC, ByteCount);
LineFeed ();
}
static void OneLine (const OpcDesc* D, const char* Arg, ...)
/* Output one line with the given mnemonic and argument */
{
char Buf [256];
va_list ap;
/* Mnemonic */
Mnemonic (D->Mnemo);
/* Argument */
va_start (ap, Arg);
xvsprintf (Buf, sizeof (Buf), Arg, ap);
va_end (ap);
Indent (ACol);
Output ("%s", Buf);
/* Add the code stuff as comment */
LineComment (PC, D->Size);
/* End the line */
LineFeed ();
}
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 (MCol);
Output (".byte");
Indent (ACol);
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;
}
unsigned RtsTable (void)
/* Output a table of RTS addresses (address - 1) */
{
unsigned long BytesLeft = GetRemainingBytes ();
unsigned long Start = PC;
/* Loop while table bytes left and we don't need to create a label at the
** current position.
*/
while (BytesLeft && GetStyleAttr (PC) == atRtsTab) {
unsigned Addr;
/* If just one byte is left, define it and bail out */
if (BytesLeft == 1 || GetStyleAttr (PC+1) != atRtsTab) {
DataByteLine (1);
++PC;
break;
}
/* More than one byte left. Define a forward label if necessary */
ForwardLabel (1);
/* Now get the address from the PC */
Addr = (GetCodeWord (PC) + 1) & 0xFFFF;
/* In pass 1, define a label, in pass 2 output the line */
if (Pass == 1) {
if (!HaveLabel (Addr)) {
AddIntLabel (Addr);
}
} else {
const char* Label = GetLabel (Addr, PC);
if (Label == 0) {
/* OOPS! Should not happen */
Internal ("OOPS - Label for address 0x%06X disappeard!", Addr);
}
Indent (MCol);
Output (".word");
Indent (ACol);
Output ("%s-1", Label);
LineComment (PC, 2);
LineFeed ();
}
/* Next table entry */
PC += 2;
BytesLeft -= 2;
/* If we must define a label here, bail out */
if (BytesLeft && MustDefLabel (PC)) {
break;
}
}
/* If the next line is not a return address table line, add a separator */
if (CodeLeft() && GetStyleAttr (PC) != atRtsTab) {
SeparatorLine ();
}
/* Return the number of bytes output */
return PC - Start;
}