Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread tom ehlert
> Well to simplify matters, I ported the test to a simple NASM > program. It displays Supported or Not and returns errorlevel 1 if not found. > I did a quick check on the PentiumPro under MS-DOS 6.22 + ANSI.SYS, it says > supported. > Rebooted the PentiumPro under FreeDOS 1.3 + NANSI.SYS, it

Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread Jerome Shidel
Hi again, > On Jul 30, 2022, at 4:51 PM, Jerome Shidel wrote: > > Hi, > >> On Jul 30, 2022, at 3:03 PM, TK Chia wrote: I just created a boot floppy with 1.3’s Kernel, Command, NANSI and the Test program. Loaded Command and NANSI to low memory with nothing else in the CONFIG.SYS and

Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread Jerome Shidel
Hi, > On Jul 30, 2022, at 3:03 PM, TK Chia wrote: > > Hello Jerome, > >> The test works correctly under at least the most recent versions of MS-DOS >> (6.x), PC-DOS and DR-DOS. > > Thanks. Well, I could not reproduce whatever failure you were getting > with your routine under FreeDOS.

Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread TK Chia
Hello Jerome, The test works correctly under at least the most recent versions of MS-DOS (6.x), PC-DOS and DR-DOS. Thanks. Well, I could not reproduce whatever failure you were getting with your routine under FreeDOS. Without more information, it seems there is no good way to tell what

Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread Jerome Shidel
HI, > On Jul 30, 2022, at 2:15 AM, TK Chia wrote: > > Hello Ralf Quint, > >> Well, not having comments to understand what you are doing is pretty >> tough when you don't have the time to analyze the code line by line. But >> IIRC, the common way to check for the presence of an ANSI device

Re: [Freedos-devel] MS-DOS compatibility issue

2022-07-30 Thread TK Chia
Hello Ralf Quint, Well, not having comments to understand what you are doing is pretty tough when you don't have the time to analyze the code line by line. But IIRC, the common way to check for the presence of an ANSI device driver was to check via an INT 2Fh (multiplexer) call (don't recall