diff options
Diffstat (limited to 'py/showbc.c')
| -rw-r--r-- | py/showbc.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/py/showbc.c b/py/showbc.c index 12400fa7c2..6c10333c9f 100644 --- a/py/showbc.c +++ b/py/showbc.c @@ -95,9 +95,18 @@ void mp_bytecode_print(const void *descr, const byte *ip, int len) { mp_int_t bc = (code_info + code_info_size) - ip; mp_uint_t source_line = 1; printf(" bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line); - for (const byte* ci = code_info + 12; *ci; ci++) { - bc += *ci & 31; - source_line += *ci >> 5; + for (const byte* ci = code_info + 12; *ci;) { + if ((ci[0] & 0x80) == 0) { + // 0b0LLBBBBB encoding + bc += ci[0] & 0x1f; + source_line += ci[0] >> 5; + ci += 1; + } else { + // 0b1LLLBBBB 0bLLLLLLLL encoding (l's LSB in second byte) + bc += ci[0] & 0xf; + source_line += ((ci[0] << 4) & 0x700) | ci[1]; + ci += 2; + } printf(" bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line); } } |