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Use two .ORGs for first-word-is-load-addr
First is always at zero, second is at the address. This puts an ORG directive right at the start of the code, and avoids potentially assembler-specific wrap-around behavior when the desired load address is $0000 or $0001. (issue #23)
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@ -253,21 +253,18 @@ namespace SourceGen {
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ProjectProps.EntryFlags = Setup.SystemDefaults.GetEntryFlags(sysDef);
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ProjectProps.EntryFlags = Setup.SystemDefaults.GetEntryFlags(sysDef);
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// Configure the load address.
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// Configure the load address.
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int loadAddr;
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if (Setup.SystemDefaults.GetFirstWordIsLoadAddr(sysDef) && mFileData.Length > 2) {
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if (Setup.SystemDefaults.GetFirstWordIsLoadAddr(sysDef) && mFileData.Length > 2) {
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loadAddr = RawData.GetWord(mFileData, 0, 2, false);
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int loadAddr = RawData.GetWord(mFileData, 0, 2, false);
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loadAddr -= 2;
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mAddrMap.Set(0, 0);
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if (loadAddr < 0) {
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mAddrMap.Set(2, loadAddr);
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loadAddr += 65536;
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}
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OperandFormats[0] = FormatDescriptor.Create(2, FormatDescriptor.Type.NumericLE,
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OperandFormats[0] = FormatDescriptor.Create(2, FormatDescriptor.Type.NumericLE,
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FormatDescriptor.SubType.None);
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FormatDescriptor.SubType.None);
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TypeHints[0] = CodeAnalysis.TypeHint.NoHint;
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TypeHints[0] = CodeAnalysis.TypeHint.NoHint;
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TypeHints[2] = CodeAnalysis.TypeHint.Code;
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TypeHints[2] = CodeAnalysis.TypeHint.Code;
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} else {
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} else {
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loadAddr = Setup.SystemDefaults.GetLoadAddress(sysDef);
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int loadAddr = Setup.SystemDefaults.GetLoadAddress(sysDef);
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}
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mAddrMap.Set(0, loadAddr);
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mAddrMap.Set(0, loadAddr);
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}
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foreach (string str in sysDef.SymbolFiles) {
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foreach (string str in sysDef.SymbolFiles) {
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ProjectProps.PlatformSymbolFileIdentifiers.Add(str);
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ProjectProps.PlatformSymbolFileIdentifiers.Add(str);
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