diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-07-10 22:38:28 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-07-10 22:38:28 -0700 |
| commit | 39c0d1b1d55dd4ed478433427119f4ea11f7dcf0 (patch) | |
| tree | de489aa379842be24b49a480270154e91ef7780a /subx/011direct_addressing.cc | |
| parent | c8c5065869d7500ab8ad80b135bb7b31262e597f (diff) | |
| download | mu-39c0d1b1d55dd4ed478433427119f4ea11f7dcf0.tar.gz | |
4340
Start using data segments in scenarios.
Diffstat (limited to 'subx/011direct_addressing.cc')
| -rw-r--r-- | subx/011direct_addressing.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/subx/011direct_addressing.cc b/subx/011direct_addressing.cc index 66dbc43a..fffcbd6a 100644 --- a/subx/011direct_addressing.cc +++ b/subx/011direct_addressing.cc @@ -290,8 +290,11 @@ void push(uint32_t val) { :(scenario pop_r32) % Reg[ESP].u = 0x60; % write_mem_i32(0x60, 0x0000000a); +== 0x1 # code segment # op ModR/M SIB displacement immediate 5b # pop stack to EBX +== 0x60 # data segment +0a 00 00 00 # 0x0a +run: pop into EBX +run: popping value 0x0000000a +run: incrementing ESP to 0x00000064 |