Re: [Freedos-user] FreeDOS game compatibility mass testing results/questions

2021-11-20 Thread Carlos Teixeira
Hi. I urge everyone to try the Floppy version of Alone in the Dark. Game does not run on FreeDOS. While investigating i came up to a discussion on dosemu2/fdpp that mentions that games like Alone in the Dark and Alpha Waves corrupt and resize the PSP. Somehow MS-DOS versions don't have a problem

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-07 Thread Carlos Teixeira
Dude... I do have the right hardware from an original IBM XT to a couple Turbo XT clones, to a Tandy 1000 SL that i had to mod for 220V, to a 286, 386, 486 and Pentium MMX. I also can use from CP/M-86 to all MS-DOS oficial releases to Windows 98 stripped FAT32 MS-DOS. PC-DOS, DR-DOS, whatever. No

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-05 Thread Carlos Teixeira
Hi Eric, all DSI games that use that same engine, Grand Prix Circuit, The Cycles, Test Drive 2 have that issue. You launch the games and you just get a black screen. I commented on the video comment section days before it premiered that he should test Grand Prix Circuit and Test Drive 2 as i was

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-08 Thread Carlos Teixeira
a VM Freedos 1.3-RC4 and 1.3 Live > > And the final question what do you want with Freedos if you have and quote > " > I also can use from CP/M-86 to all MS-DOS oficial releases to Windows 98 > stripped FAT32 MS-DOS. PC-DOS, DR-DOS, whatever. > > " > > They should run games b

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-09 Thread Carlos Teixeira
Hi Eric, > (...) but my goal would still be finding out how > to make all games work in FreeDOS - if necessary, by pointing out > bugs in FreeDOS. > That's what i wish too. And i'll do my best to help. Because the moment FreeDOS is better than MS-DOS in compatibility i'll never look back.

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-06 Thread Carlos Teixeira
e all your problems! > > On Sat, Mar 5, 2022 at 11:04 PM Carlos Teixeira > wrote: > >> Hi Eric, >> >> all DSI games that use that same engine, Grand Prix Circuit, The Cycles, >> Test Drive 2 have that issue. You launch the games and you just get a black >>

Re: [Freedos-user] retro gamer review of FreeDOS 1.3

2022-03-10 Thread Carlos Teixeira
I use a Pentium MMX as my fastest dedicated PC for DOS and i usually downclock it to 50MHz FSB x 2. If some games still have issues i can use SETMUL to manipulate Pentium TR4 registers, which allow to disable exclusively CPU features like Instruction Cache, Data Cache, Branch Prediction and

Re: [Freedos-user] DOS ASM resources

2022-07-05 Thread Carlos Teixeira
What i don't like about A86 is that allows you to do stuff that is actually "forbidden". For instance, from what i remember, A86 allows you to do something like: MOV ES, B800h This is absolutely not supported by the CPU, and you need to use a general purpose register to move a value onto a