Whdload crash in some cases under our E-UAE

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kas1e

Posted on: 2023/10/25 11:24 #1

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@All
Noticed in last year, that from time to time i do have some heavy whdload crashes in the games when i pass them quite far.

For example, in Chaos Engine, when i pass 3st level of 3rs world, i immediately have that:

Resized Image

I.e. whdload crashes with exception "Line 1111 Emulator" ($2C) at $22DF2 occurred. And then only wait to restart game from the begining.

Same kind of crash i had with Lion Heart, when im about to reach final levels (the one at the end of the flying on the dragon level).

Has anyone any experience with that ? Just to know if it core of our old uae cause it, or it bugs in whdload , or in the slave of the game itself, etc.

Thanks!

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joerg

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/25 14:15 #2

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@kas1e
Line 1111 exceptions on m68k are caused for example executing FPU instructions on CPUs without a FPU.

kas1e

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/25 14:21 #3

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@joerg
That how my config looks like:


config_description=classic_game

kickstart_rom_file=Work:EUAE/kick3.1.rom



amiga.cpu_idle=0

amiga.screen_type=public

amiga.use_dither=true

amiga.use_grey=false



gfx_framerate=1

gfx_width_windowed=640

gfx_height_windowed=400

gfx_center_horizontal=smart

gfx_center_vertical=smart



ntsc=false

chipset=aga

fastmem_size=4

chipmem_size=4

immediate_blits=true

collision_level=playfields



#---sound



sound_max_buff=15000

sound_output=exact

sound_channels=mixed

sound_latency=100

sound_frequency=44100



#---cursor/keyboard/mouse



hide_cursor=true

keyboard_leds=numlock:none,capslock:none,scrolllock:none

joyport0=joy0

joyport1=kbd2



cpu_speed=max

ppc.use_tbc=true

cpu_type=68020

cpu_compatible=true

cpu_cycle_exact=false

blitter_cycle_exact=true

comp_optimize=yes

comp_constjump=yes

comp_trustbyte=direct

comp_trustword=direct

comp_trustlong=direct

Maybe different version of CPU_type will help there ?

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joerg

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/25 14:29 #4

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@kas1e
For software using FPU instructions you need at least


cpu_type=68020/68881

kas1e

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/26 7:30 #5

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@joerg
Changed, tried , the same crash :(

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LiveForIt

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/26 8:54 #6

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@kas1e

I know Basilisk II also has bugs in FPU, it also uses the EUAE cpu core.

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.

kas1e

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/26 16:55 #7

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@LiveForIt
Question is how to debug it to find out what exactly wrong, maybe it will be possible to fix it by reusing a bit of winuae's core..

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LiveForIt

Re: Whdload crash in some cases under our E-UAE

Posted on: 2023/10/26 21:16 #8

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@kas1e

There must be possible unit test all the FPU code, make sure etch instruction work after spec, and return the correct result, its possible WinUAE has unit tests.

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.

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