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hex dump data after debug name

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This commit is contained in:
Kelvin Sherlock 2013-07-01 20:24:49 -04:00
parent 9ddb015b1b
commit 890d703f9f
1 changed files with 33 additions and 5 deletions
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38
bin/disasm.cpp
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@ -77,6 +77,21 @@ void code0(uint32_t data_size)
printf("\n\n");
}
inline char *cc2(uint16_t value, char out[3])
{
uint8_t tmp;
tmp = (value >> 8) & 0xff;
if (tmp & 0x80 || !isprint(tmp)) out[0] = '.';
else out[0] = tmp;
tmp = (value >> 0) & 0xff;
if (tmp & 0x80 || !isprint(tmp)) out[1] = '.';
else out[1] = tmp;
out[2] = 0;
return out;
}
void disasm(const char *name, int segment, uint32_t data_size)
{
@ -103,16 +118,29 @@ void disasm(const char *name, int segment, uint32_t data_size)
std::string s;
s.reserve(len);
pc += 1; // skip the length byte.
for (unsigned i = 0; i < len; ++ i)
{
s.push_back(memoryReadByte(pc + 1 + i));
s.push_back(memoryReadByte(pc++));
}
printf("%s\n\n", s.c_str());
printf("%s\n", s.c_str());
pc = (pc + 1) & ~0x01;
// if next word is 0, skip as well.
if (memoryReadWord(pc) == 0) pc += 2;
#if 0
if (memoryReadWord(pc) == 0x0000) pc += 2;
#else
// treat the remainder as data until 4E56. [Link A6,#]
while (pc < data_size)
{
char tmp[3];
uint16_t data = memoryReadWord(pc);
if (data == 0x4e56) break;
printf("$%08X $%04X ; '%s'\n", pc, data, cc2(data, tmp));
pc += 2;
}
#endif
printf("\n");
prevOP = 0;
continue;