C:\> debug TRIANGLE.EXE
Open your DOSBox emulator. You need to mount the Windows folder as a drive letter inside DOSBox. Type the following command at the Z:\> prompt:
He realized: This wasn't a game. This was a proof-of-concept virus from 1989, designed to brick a PC by corrupting the low-level memory. In DOSBox, it was harmless. But if he had run it on a real 386…
“That’s just printing the letter 'A',” Leo muttered. But then he saw the next lines:
To execute the code you just wrote, type G (Go). The program will run until it hits the INT 3 breakpoint, allowing you to see how the AX register changed to 1234 .
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C:\> debug TRIANGLE.EXE
Open your DOSBox emulator. You need to mount the Windows folder as a drive letter inside DOSBox. Type the following command at the Z:\> prompt:
He realized: This wasn't a game. This was a proof-of-concept virus from 1989, designed to brick a PC by corrupting the low-level memory. In DOSBox, it was harmless. But if he had run it on a real 386…
“That’s just printing the letter 'A',” Leo muttered. But then he saw the next lines:
To execute the code you just wrote, type G (Go). The program will run until it hits the INT 3 breakpoint, allowing you to see how the AX register changed to 1234 .