- Undo two changes from the previous commit where instructions were changed to sign-extend 32-bit values to 64-bit, where the automatic zero-extension in the original instructions would suffice. - Undo one change from the previous commit where an instruction was changed to assume the high DWORD of RAX may be non-zero, where it cannot and the original instruction was shorter.
- Undo two changes from the previous commit where instructions were changed to sign-extend 32-bit values to 64-bit, where the automatic zero-extension in the original instructions would suffice.
- Undo one change from the previous commit where an instruction was changed to assume the high DWORD of RAX may be non-zero, where it cannot and the original instruction was shorter.

computerline1z/win-exec-calc-shellcode,ohio813/win-exec-calc-shellcode,computerline1z/win-exec-calc-shellcode,ohio813/win-exec-calc-shellcode