McStuffles wrote:

down direction) the game works perfectly, but if I turn to left or right, even turning a very little, the screen shakes while in moviment,
(...)
PS: I haven´t tryed to play other games, I think the problem isn´t the game.

1) Did you play full screen or in windowed mode? Does it change behaviour when you change it?
2) Which 'screen' shakes (entire desktop? dosbox window? etc.), and what do you mean exactly by 'shake'?
3) Why do you think it isn't the game's behaviour when you haven't tried other games? Please try other games, and see if they exibit similar bahaviour.

JAL

1) I am running DosBox in wondowed mode, but the game runs in full screen.

2) The game is played in full screen, I cant see my desktop, so all the screen shakes.
The "shake" is something like a lag. For example, if I am running left to right, the screen goes a little left an than back to center. It looks like a shake cause it happens fastly and continuously.

3) I am not interested in other games by the moment. But I will try to do this, and see what happen...

Thx a lot for the reply!!! 😁

This doesn't really make sense. If DosBox is in windowed mode, the game should be in windowed mode, as the game just plays in the dosbox window. Are you definitely running the game through dosbox, and not just loading dosbox and then running the game from windows?

I am sorry! Don´t consider some things that I sayed...

In fact, the game run windowed when I run Dosbox windowed. So, thats it: The shake occours both in windowed mode and in full screen mode. Running in windowed mode, only the game shakes, the rest(including desktop) stay still.

McStuffles wrote:

In fact, the game run windowed when I run Dosbox windowed. So, thats it: The shake occours both in windowed mode and in full screen mode. Running in windowed mode, only the game shakes, the rest(including desktop) stay still.

The game shakes, that much is clear, but what about the DOSbox window? If that doesn't shake (what I expect), it must be an in-game function, since DOSbox, as far as I know, does not move or shake its window.

JAL

i can confirm the problem, mm2 seems to be the only game where it happens.

"shaking" might be a wrong description, i'd rather call it error in scrolling.
let' say you drive your little car from the left to the right, then the whole environment should scroll from right to left fluently. instead, every few frames it "jumps" a few pixels (guess 2 or 3) in the wrong direction and then jumps back to where it should be. the HUD is also affected by this jumping/shaking/whatever.

this is _not_ intended by the game, when i played it on my 486 a "few" years ago scrolling was working fine.

ps: i'm using the cvs version of dosbox

I've played around with it, and MM2 definitely seems to have some timing issues. It's doing something stupid like switching screen banks before drawing the new frame sometimes...I don't know. Anyway, the best result I could get on my system was with cycles @ around 12,000, frameskip 0 (Dynamic core works fine). Using ykhwong's cvs build of Feb 14th (http://ykhwong.x-y.net) and setting "vsyncmode=forced" and "vsyncrate=60" seemed to help a bit, though that build has a bug with sometimes corrupted graphics in the non-race parts of the game in fullscreen (the optimised renderering stuff I think).

Hi, I got the same problem, my MM2 shows the following message
"WARNING!
This program has checked your config.sys file and you appear to have an extended memory manager such as EMM386 orQEMM loaded.
There is a strong chance this will cause the game to operate incorrectly with flickering an jerky movement.
We suggest you remove this line and reboot before playing the game.
See Help file for more information
PRESS ENTER TO CONTINUE ESC TO EXIT"

Then when I load a race the screen flickers if I turn to left or right.
My config of DOSBOX is:
cycles :12,000,
frameskip 0
Dynamic core
NO XMS
NO EMS

Which dosbox version, what does typing "mem" show at the dosbox prompt?

DOSBox v0.65

634 kb free conventional memory

Odd, maybe try the normal core and reduce (or raise) the memory size
in dosbox.conf.

wd,

I tried others cores and memory size, but the problem still occurs...

In some configs the screen with the Warning message does not show, but the problem is there.

I'll make a video to show what happens and post here later.

Thanks.

I've started the game with the default DOSBox config and with the profile I created in D-Fend, here is the profile:

1[Extra]
2CloseOnExit=0
3Loadhigh=0
4Exe=C:\Jogos\MM2\MM2.BAT
5Setup=C:\Jogos\MM2\SOUND.BAT
6CustomSettings=
7SyncUpDown=0
8autoexec=
9GameParameters=
10SetupParameters=
11LoadFixVal=64
12
13[cpu]
14cycles=12000
15core=normal
16cycleup=500
17cycledown=20
18
19[dosbox]
20machine=vga
21memsize=63
22language=
23
24[sdl]
25output=surface
26fullscreen=true
27fulldouble=true
28fullresolution=original
29windowresolution=original
30autolock=false
31sensitivity=100
32waitonerror=true
33usecancodes=true
34priority=higher,normal
35mapperfile=mapper.txt
36
37[render]
38scaler=normal2x
39frameskip=0
40aspect=false
41
42[sblaster]
43sbtype=sb16
44sbbase=220
45irq=7
46dma=1
47hdma=5
48mixer=true
49oplmode=auto
50oplrate=22050
51
52[gus]
53gus=true
54gusrate=22050
55gusbase=240
56irq1=5
57irq2=5
58dma1=1
59dma2=1
60ultradir=C:\ULTRASND

61
62[midi]
63mpu401=intelligent
64device=default
65config=
66
67[speaker]
68pcspeaker=true
69pcrate=22050
70tandyrate=22050
71disney=true
72
73[dos]
74xms=false
75ems=false
76umb=false
77
78[mixer]
79nosound=false
80rate=22050
81blocksize=2048
82prebuffer=10
83
84[bios]
85joysticktype=2axis
86
87[ExtraInfo]
88Genre=
89Developer=
90Publisher=
91Year=
92Notes=
93
94[Export]
95notes=
96profilename=Micro Machines
97

How do you mount the drives? Try to only mount the directory
of mm2 (maybe put it into something like c:\games and then
mount c:\games).
As there following output of the game should not be there:

> This program has checked your config.sys file

Ok, when I mount just the game dir the message "This program has checked your config.sys file" does not show, but the problem still occurs... I've attached a movie from the game to show you what happens.

I've played with all the options I known in config of DOSBox but nothing happened.

Any suggestions welcome...

Thanks.

Turn off, Gravis Ultrasound Emulation, seem to solve the issue...

enjoy

dr.zer0 wrote:

Turn off, Gravis Ultrasound Emulation, seem to solve the issue...

dr.zer0, did not work. The problem still occurs...
I've disabled the GUS emulation, the PC Speaker and the Disney Sound, but nothing happens.

Thanks for the help...

Do you have another suggestion?

Strange I tried this on 2 PC, and it works !
I have to investigate more...

whatever wrote:

i can confirm the problem, mm2 seems to be the only game where it happens. […]
Show full quote

i can confirm the problem, mm2 seems to be the only game where it happens.

"shaking" might be a wrong description, i'd rather call it error in scrolling.
let' say you drive your little car from the left to the right, then the whole environment should scroll from right to left fluently. instead, every few frames it "jumps" a few pixels (guess 2 or 3) in the wrong direction and then jumps back to where it should be. the HUD is also affected by this jumping/shaking/whatever.

this is _not_ intended by the game, when i played it on my 486 a "few" years ago scrolling was working fine.

ps: i'm using the cvs version of dosbox

problem still exists with dosbox 0.70 and current cvs version 🙁