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| author | Kartik Agaram <vc@akkartik.com> | 2018-10-01 11:09:07 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-10-01 11:09:07 -0700 |
| commit | ca00f6b97c52262b39c28cccb76b52e059553f13 (patch) | |
| tree | 3c6e1ea3e36c849a344eac03a468b3e853241bb3 /subx/013direct_addressing.cc | |
| parent | 75e30d2faa3480ae8810856d6527089ba88346a5 (diff) | |
| download | mu-ca00f6b97c52262b39c28cccb76b52e059553f13.tar.gz | |
4634
Diffstat (limited to 'subx/013direct_addressing.cc')
| -rw-r--r-- | subx/013direct_addressing.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/subx/013direct_addressing.cc b/subx/013direct_addressing.cc index 45e034ed..5177252f 100644 --- a/subx/013direct_addressing.cc +++ b/subx/013direct_addressing.cc @@ -554,17 +554,17 @@ put(name, "5e", "pop top of stack to R6 (ESI)"); put(name, "5f", "pop top of stack to R7 (EDI)"); :(scenario pop_r32) -% Reg[ESP].u = 0x60; -% Mem.push_back(vma(0x1)); // manually allocate memory -% write_mem_i32(0x60, 0x0000000a); // ..before this write +% Reg[ESP].u = 0x2000; +% Mem.push_back(vma(0x2000)); // manually allocate memory +% write_mem_i32(0x2000, 0x0000000a); // ..before this write == 0x1 # code segment # op ModR/M SIB displacement immediate 5b # pop stack to EBX -== 0x60 # data segment +== 0x2000 # data segment 0a 00 00 00 # 0x0a +run: pop into EBX +run: popping value 0x0000000a -+run: incrementing ESP to 0x00000064 ++run: incrementing ESP to 0x00002004 :(before "End Single-Byte Opcodes") case 0x58: |