James T. Sprinkle

Results 53 comments of James T. Sprinkle

Hi @circutrider21 ! I haven't tried on real hardware yet, but I experienced similar issues with trying to run it on VirtualBox. Logging output to a virtual serial port showed...

Hi @ShadowThree! This is just make telling you that it encountered an error. This is expected because when ./parser input03 is executed it encounters an error and returns non-zero, as...

Hi @davidle2023 ! I'm going to make an assumption that when Warren made this tutorial, he was using a version of as that would accept the movzbl opcode and generate...

Hi @vcheckzen ! It would appear you are correct. Apparently that code wasn't exercised by the test, so I didn't catch and correct it. Later versions have the correct opcode....

Hey Stewart! I haven't tried it on VMWare, but I use VirtualBox a lot for working on my open source projects. I do a lot of development work on Linux...

> did you try the /P option on the $386.sys driver? Yeah, I have tried all of the possible combinations, even some of the "undocumented" ones. We can close this...

Yeah, the /P flag and turning off virtualization settings in VirtualBox works fine too. That's where I do most of my testing and full builds prior to running anything on...

Hi @darkstar252 ! It doesn't use that to calculate memory. Instead, it uses a "brute force" scan once it is in protected mode. Since most, if not all, newer BIOS...

> support for FAT12 on old 5.25 floppies @stsp I didn't say to remove FAT12 entirely, just the support matrices and code required to support really old floppy formats. Anybody...

$386.sys is for 386+. $286.sys is for 286 only. I guess I am not being clear in my concern relating to backwards compatibility. I am speaking about the kernel and...