VOGONS

Common searches


Search results

Display options

Re: DOSBox debugger

Hello. Is there a way to break the debugger when a game open a file ? When such thing happen, the debugger usually display "FILES:" in the console log. I could set a breakpoint on INT 21H but then it will break on ANY dos interrupt. I want to only make this happen when AH= 0x3D (file open) EDIT : …

Re: DOSBox debugger

Thanks a lot for your help. I have been able to set a breakpoint on the INT 6 handler. Surprinzingly DOSBOX debugger crash before displaying game menu if I start the game (Alone In The Dark in this case) with "debug" command (so that it breaks on first instruction) Starting the game with DOSBOX …

Re: DOSBox debugger

Hi, I am using a special version of DOSBOX which allow me to debug DOS executables using IDA (available here : https://github.com/wjp/idados). I am trying to debug a game which throw me "CPU:Illegal/Unhandled opcode" errors at some point. Is there a way to configure DOSBOX debugger to pause the …

How to output a square wave to PC speaker (SOLVED)

I wrote the following code, which is supposed to output a 60 Hz square wave to the PC speaker : org 100h loop: in al, 61h or al, 00000010b ;turn pc speaker on out 61h, al call _wait in al, 61h and al, 11111101b ;turn pc speaker off out 61h, al call _wait jmp loop _wait: mov cx, 00h mov dx, 411ah ; …

Re: Theme Park 1994 resource viewer

Is it possible to extract HMI music with this tool? No it's currently not possible. I had a quick look and it's seems game store some files with a ".HMP" extension (is it what you are looking for?). Converting these files to MIDI (so you can listen to them directly from program) seems to be fairly …

Theme Park 1994 resource viewer

Hi there, I have made a simple C# program that allow to view / extract resources of Theme Park dos game (1994 Bullfrog) Here is link to project : https://github.com/tigrouind/ThemeParkRessourceViewer It allow to view most sprites, animations, backgrounds and also sounds. Game internal files format …

Page 1 of 1