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print 4cc interpretation of data

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This commit is contained in:
Kelvin Sherlock 2013-07-09 23:26:21 -04:00
parent eedf675ebd
commit fa92c2fca7
1 changed files with 43 additions and 0 deletions
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43
bin/debugger.cpp
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@ -311,12 +311,55 @@ void Help()
void Print(uint32_t data)
{
// 32-bit unsigned int
printf("$%08x %12u", data, data);
// 32-bit signed int
if (data & 0x80000000)
printf(" %12d", (int32_t)data);
// 16-bit signed int
if ((data & 0xffff8000) == 0x8000)
printf(" %6d", (int16_t)data);
// 4-cc code? 2-cc code? 1-cc code?
char tmp[5];
int bits = 0;
tmp[0] = (data >> 24) & 0xff;
tmp[1] = (data >> 16) & 0xff;
tmp[2] = (data >> 8) & 0xff;
tmp[3] = (data >> 0) & 0xff;
tmp[4] = 0;
if (isprint(tmp[0])) bits |= (1 << 0);
if (isprint(tmp[1])) bits |= (1 << 1);
if (isprint(tmp[2])) bits |= (1 << 2);
if (isprint(tmp[3])) bits |= (1 << 3);
switch(bits)
{
case 0x0f:
printf(" '%s'", tmp);
break;
case 0x0e:
if (data <= 0xffffff)
printf(" '%s'", tmp + 1);
break;
case 0x0c:
if (data <= 0xffff)
printf(" '%s'", tmp + 2);
break;
case 0x08:
if (data <= 0xff)
printf(" '%s'", tmp + 3);
break;
}
printf("\n");
}