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improved debug symbols

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This commit is contained in:
Kelvin Sherlock 2013-02-15 00:00:33 -05:00
parent f226bdd60c
commit 6ffa214713
1 changed files with 19 additions and 15 deletions
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34
bin/disasm.cpp
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@ -95,25 +95,29 @@ void disasm(const char *name, int segment, uint32_t data_size)
uint16_t op = memoryReadWord(pc);
if (prevOP == 0x4E75 && op > 0x8000)
if (prevOP == 0x4E75 || prevOP == 0x4ED0)
{
// RTS followed by debug symbol.
unsigned len = (op >> 8) - 0x80;
std::string s;
s.reserve(len);
for (unsigned i = 0; i < len; ++ i)
if (op > 0x8000)
{
// RTS followed by debug symbol.
unsigned len = (op >> 8) - 0x80;
s.push_back(memoryReadByte(pc + 1 + i));
std::string s;
s.reserve(len);
for (unsigned i = 0; i < len; ++ i)
{
s.push_back(memoryReadByte(pc + 1 + i));
}
printf("%s\n\n", s.c_str());
pc = (pc + 1) & ~0x01;
// if next word is 0, skip as well.
if (memoryReadWord(pc) == 0) pc += 2;
prevOP = 0;
continue;
}
printf("%s\n\n", s.c_str());
pc = pc + 2 + len + 2;
pc = (pc + 1) & ~0x01;
prevOP = 0;
continue;
}
if ((op & 0xf000) == 0xa000)