Search found 7 matches
- Mon Jan 03, 2011 9:08 pm
- Forum: Beginners
- Topic: simple question
- Replies: 3
- Views: 36823
simple question
Can I use a virtual cd/dvd drive instead of a virtual floppy drive?
- Mon Jan 03, 2011 5:07 am
- Forum: Beginners
- Topic: replacement for vfd and partcopy on vista x64
- Replies: 5
- Views: 60056
Re: replacement for vfd and partcopy on vista x64
already tried the vfd edition you posted, downloading the partcopy now.
- Thu Dec 23, 2010 8:27 pm
- Forum: Beginners
- Topic: replacement for vfd and partcopy on vista x64
- Replies: 5
- Views: 60056
replacement for vfd and partcopy on vista x64
I want to develop an os on my desktop which is running vista x64. i currently develop my os on my laptop, but my laptop is almost never connected to the internet, so i have a hard time getting help with coding errors. I cannot use vfd because i for some reason get the error "virtual floppy drive can...
- Fri Dec 17, 2010 7:24 am
- Forum: Beginning OS Development
- Topic: iret return cs selector null after attempting to add graphic
- Replies: 4
- Views: 12652
Re: iret return cs selector null after attempting to add graphic
it is just 26 8x8 character arrays, with either a dot or an x. in the print function if an x appears, it puts a pixel on the screen at the position of the cursor combined with the current position within the array.
- Wed Dec 15, 2010 6:24 pm
- Forum: Beginning OS Development
- Topic: iret return cs selector null after attempting to add graphic
- Replies: 4
- Views: 12652
Re: iret return cs selector null after attempting to add graphic
unsigned char **bitmaps; void getMaps(char* f) { bitmaps = new unsigned char *[26]; FILE file = volOpenFile(f); if (file.flags == FS_INVALID) { return; } //! cant display directories if (( file.flags & FS_DIRECTORY ) == FS_DIRECTORY) { return; } int k = 0; while (file.eof != 1) { unsigned char buff...
- Wed Dec 15, 2010 6:19 pm
- Forum: Beginning OS Development
- Topic: iret return cs selector null after attempting to add graphic
- Replies: 4
- Views: 12652
Re: iret return cs selector null after attempting to add graphic
I fixed the previous error, but now am getting check_cs(0x2e2e): not a valid code segment ! and a general protection fault. I know the area of code this is coming from, and will post code soon.
- Tue Dec 14, 2010 4:08 am
- Forum: Beginning OS Development
- Topic: iret return cs selector null after attempting to add graphic
- Replies: 4
- Views: 12652
iret return cs selector null after attempting to add graphic
I was working on my laptop (which i am not on right now) on an operating system project. I started with the os developement tutorial's tutorial 23 on this site. then I tried to add graphics. I switch to mode 13h before protected mode, test and everything was fine. then I modified the printing functi...