TYRIAN for PSP

Thanks a lot :)
Will it work without the eloader ? on slim ?

Quote:

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Originally Posted by Boots Megamix

I did it twice just to confirm that it wasn't a fluke or anything, but there was nothing specific going on, it was just right before the boss is supposed to come, it says **Large mass detected ahead**, then goes to blue screen.

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I was able to replicate it too.. it seems that there is a problem with following code chunk:
loudness.c: void JE_multiSamplePlay

Code:

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                for ( ex = 0; ex < SAMPLE_SCALING; ex++)
                {
                        channel_buffer[chan][(i * SAMPLE_SCALING) + ex] = ((SAMPLE_TYPE) ((Sint8) buffer[i]) << 8);
                }

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Quote:

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Originally Posted by Thargalt18

Thanks a lot :)
Will it work without the eloader ? on slim ?

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I am sure it will.. the reason I did not release 3.xx kernel version is because of compatibility..
All PSP users should be able to run 1.0 kernel versions (through some tricks) while not all psp users can run 3.xx kernel version..

OMG THANK YOU... i have been waiting for this moment since I got a PSP! You don't know how happy this makes me XD

Quote:

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Originally Posted by deniska

TYRIAN PSP v0.5
---------------
http://deniska.dcemu.co.uk/images/tyrian.png
Download and Give Feedback Via Comments

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Very nice :thumbup:
It runs very well on my PSP Slim 3.71 M33-3 under eLoader v1.000 from Team Noobs :)

I just downloaded, unrared and tossed the Tyrian folder into PSP/GAME and ran E-Boot and selected Tyrian an Presto ;)

eLoader v1.000 link: http://www.noobz.eu/joomla/component...artdown/id,22/

Quote:

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Originally Posted by deniska

I checked out the source on friday morning.. don't recall the revision though...

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just making sure you're patching in the latest revisions and bugfixes ;)

Edit: Disregard this entire post. It won't work if you try running it from under iRshell thru eLoader :P


PDG, how did you make it work?

I did all the same things, ran eLoader 1.0000, then the Tyrian folder thru it...

All it does it freeze on a black screen, only taking the battery out helps. Tried all of the alternate eboots also.

PSP Slim v3.71 M33-3

Quote:

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Originally Posted by deniska

I was able to replicate it too.. it seems that there is a problem with following code chunk:
loudness.c: void JE_multiSamplePlay

Code:

---

                for ( ex = 0; ex < SAMPLE_SCALING; ex++)
                {
                        channel_buffer[chan][(i * SAMPLE_SCALING) + ex] = ((SAMPLE_TYPE) ((Sint8) buffer[i]) << 8);
                }

---

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I believe I have spotted the same sort of bug. It may be the same one but it also saved the coordinates of the bug. I'll post them here they may help.


Exception - Bus error (data)
EPC - 0890B494
Cause - 1000001C
Status - 60008613
BadVAddr - 07CF8670
zr 00000000 at 089B0000 v0 00383530 v1 08BD6720
a0 00000000 a1 00000000 a2 00000000 a3 0899A7B8
t0 0000007E t1 880146A0 t2 0899A7C0 t3 88300000
t4 0899A7B8 t5 00001E04 t6 0895209C t7 20008600
s0 089E6604 s1 089E65E0 s2 00000003 s3 00383530
s4 0000F689 s5 00000004 s6 089ED920 s7 089F0000
t8 000000FF t9 0000001C k0 09FFEF00 k1 00000000
gp 089A4AC0 sp 09FFECA0 fp 089A0000 ra 0890B444

Quote:

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Originally Posted by deniska

I was able to replicate it too.. it seems that there is a problem with following code chunk:
loudness.c: void JE_multiSamplePlay

Code:

---

                for ( ex = 0; ex < SAMPLE_SCALING; ex++)
                {
                        channel_buffer[chan][(i * SAMPLE_SCALING) + ex] = ((SAMPLE_TYPE) ((Sint8) buffer[i]) << 8);
                }

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Are you still talking about Stargate? Because that was fixed as of revision 625, and the error was in tyrian2.c

Assuming you didn't find a completely different bug at the same level too.

well, my exception handler points to the highlighted line.. so this seems to be a different bug.. I'll see if I can replicate it in the windows build..
This could also be something, specific to psp architechture