diff options
Diffstat (limited to 'subx/014indirect_addressing.cc')
| -rw-r--r-- | subx/014indirect_addressing.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/subx/014indirect_addressing.cc b/subx/014indirect_addressing.cc index 344da8de..22a3c179 100644 --- a/subx/014indirect_addressing.cc +++ b/subx/014indirect_addressing.cc @@ -227,16 +227,17 @@ case 0x33: { // xor r/m32 with r32 //:: not -:(scenario not_r32_with_mem_at_r32) +:(scenario not_of_mem_at_r32) % Reg[EBX].i = 0x60; == 0x1 # code segment # op ModR/M SIB displacement immediate - f7 03 # negate *EBX -# ModR/M in binary: 00 (indirect mode) 000 (unused) 011 (dest EBX) + f7 13 # negate *EBX +# ModR/M in binary: 00 (indirect mode) 010 (subop not) 011 (dest EBX) == 0x60 # data segment ff 00 0f 0f # 0x0f0f00ff -+run: 'not' of r/m32 ++run: operate on r/m32 +run: effective address is 0x60 (EBX) ++run: subop: not +run: storing 0xf0f0ff00 //:: compare (cmp) |