I am attending an OS course as part of my undergrad and I have encountered a frustrating bug that is only present when compiling with -O2/3 flags set. System: x86 Compiler: GCC Emulator: Bochs/Qemu...

I want to set a breakpoint at 0x7c00 when I run bochsdbg. I don't want to type these two commands my myself everytime. b 0x7c00 c How to do it in bochsrc.txt? Thank you~

I'm a green hand to assembly language. These days I used bochs to simulate the boot procedure from virtual floppy. But one thing I don't know is what the CS register value is when the system initia...

I changed my bootloader from CHS to LBA, so I replaced int 13h 02h with int 13h 42h. It works correctly in QEMU, however, I have troubles running it with Bochs and my laptop. I wrote bootloader t...

When I test the GCC inline-assembly, I use the test function to display a character on the screen with the BOCHS emulator. This code is running in 32-bit protected mode. The code is as follows: te...

I am learning the assembly language. I wrote a simple bootloader. After testing it out, it didn't work. Here is my code: [bits 16] [org 0x7c00] jmp start data: wolf_wel_msg db 'Welcome to Bootlo...

Was someone able to compile the Bochs simulator under Snow Leopard. Leopard worked fine for me but under Snow Leopard I get alot of problems related to the Carbon library... Ok, some more informat...

I have a simple program. It must read first sector from hard drive (not mbr), and write it to the 0 sector (mbr). But it doesnt work. I think it is connected with wrong DAP. Thanks. [bits 16] [o...

I want to use Bochs as an 8086 emulator. Is there an easy way to do this? What I want is something like emu8086 (http://www.emu8086.com/).

I have IDA PRO 6.1 - (i am unable to install the latest version) I am trying to debug x64 application with bochs debugger or windgb. I did the following: installed Bochs-2.4.6 Installed both x8...