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Forum: Retrogaming General Discussion Yesterday, 23:41
Replies: 63
Views: 1,652
Posted By jotd
It's sure impressive. But isn't that playing from...

It's sure impressive. But isn't that playing from hard drive? CD 1x speed is much much slower than hard drives. Even old ones.
Forum: Coders. Asm / Hardware Yesterday, 21:48
Replies: 7
Views: 170
Posted By jotd
if you have a PC, first create your projects...

if you have a PC, first create your projects using vasm and modern environment, then test on an emulator, then when it works more or less, give it a go on your A500.

You'll save a lot of time like...
Forum: support.Apps Yesterday, 20:10
Replies: 3
Views: 131
Posted By jotd
I think I'll write my own tool using...

I think I'll write my own tool using python/pygame. I don't want to use 2 big programs, on the amiga side.
Forum: Coders. Asm / Hardware Yesterday, 20:09
Replies: 2
Views: 86
Posted By jotd
I see your point! thanks. No big deal anyway. Bad...

I see your point! thanks. No big deal anyway. Bad habit to define constants without values then as the asm assumes they're labels.
Forum: support.Apps Yesterday, 19:11
Replies: 3
Views: 131
Posted By jotd
suggestions about a bitplane editor

I need to change images in game files. Of course those aren't IFF images.

I can rip the pics or roughly see where the data is, using gfxrip, but if want to change the data, that's really more...
Forum: Coders. Asm / Hardware Yesterday, 17:03
Replies: 2
Views: 86
Posted By jotd
vasm bug with ORG directives

I think i found something on version 1.8f



test.asm:
Forum: Coders. Asm / Hardware Yesterday, 17:00
Replies: 4
Views: 244
Posted By jotd
I wish that I could, but I can't :)

I wish that I could, but I can't :)
Forum: Retrogaming General Discussion Yesterday, 12:10
Replies: 13
Views: 379
Posted By jotd
a lot of people here created their own tools /...

a lot of people here created their own tools / games. Maybe people are shy to boast about their creations out of the blue?
Forum: Retrogaming General Discussion Yesterday, 09:58
Replies: 8
Views: 238
Posted By jotd
This Metro Siege is for A500? I can't believe the...

This Metro Siege is for A500? I can't believe the colors & the speed. I first thought it was a SDL game on Windows...
Forum: Coders. General Yesterday, 09:54
Replies: 13
Views: 605
Posted By jotd
I can't reproduce the BTST stuff with a simple...

I can't reproduce the BTST stuff with a simple example. But when I reversed big games with either POTGO tests or blitterwaits (using BTST.B) it sometimes issued DC.W instead.

I also can crash...
Forum: support.Games Yesterday, 09:39
Replies: 42
Views: 1,666
Posted By jotd
we have a dedicated port on a different language....

we have a dedicated port on a different language. I provided translated assets for all texts. Images & icons aren't translated yet, but apart from that, the game is here.
Forum: support.Games Yesterday, 00:33
Replies: 42
Views: 1,666
Posted By jotd
copy a .info file from another whdload file,...

copy a .info file from another whdload file, change the "SLAVE=" tooltype
Forum: Coders. Asm / Hardware 25 January 2020, 23:52
Replies: 4
Views: 244
Posted By jotd
thanks for replying, no need to investigate more,...

thanks for replying, no need to investigate more, I think I figured it out.

The LOAD (yes, it's probably SEKA that they were using) was of course present in the source from Jim Power (as stated in...
Forum: Coders. General 25 January 2020, 22:02
Replies: 13
Views: 605
Posted By jotd
IRA has bugs but I've been using it a lot and it...

IRA has bugs but I've been using it a lot and it does the job. R means "reassembler" :)

I remember reassembling BattleChess from IRA disassembly and it worked.

It has bugs, but nothing that...
Forum: project.WHDLoad 25 January 2020, 19:28
Replies: 13
Views: 479
Posted By jotd
damn you're right. What the hell did I do... will...

damn you're right. What the hell did I do... will check diffs

Fixed! beta version in the zone. Still stuff to check / keyboard seems to work randomly... but game runs ok
Forum: Amiga scene 25 January 2020, 17:29
Replies: 121
Views: 9,392
Posted By jotd
game uses a NULL LoadView but maybe it's not...

game uses a NULL LoadView but maybe it's not enough. I'm planning to release a new version with sprites (faster/better framerate) and when it's complete add a whdload slave.
Forum: Retrogaming General Discussion 25 January 2020, 16:51
Replies: 29
Views: 897
Posted By jotd
with a fast gfx board you don't have...

with a fast gfx board you don't have chunky2planar speed issue. But it remains slow. Last time I checked it sucked playing MAME on 68060 with Pixel64 for instance (when DOOM worked with a very good...
Forum: Coders. General 25 January 2020, 16:48
Replies: 13
Views: 605
Posted By jotd
yes, IDA isn't suitable if you want to rebuild...

yes, IDA isn't suitable if you want to rebuild your app. IRA is much better for this.
Forum: Coders. Asm / Hardware 25 January 2020, 13:05
Replies: 4
Views: 244
Posted By jotd
assemblers LOAD & ORG directives

I'm currently analyzing the code from ... Jim Power :) (for a possible CD32 remake)

I'm trying to rebuild it using VASM and I have issues. After having fixed obvious syntax differences I'm facing...
Forum: Retrogaming General Discussion 25 January 2020, 11:53
Replies: 29
Views: 897
Posted By jotd
MAME is definitely not crap. The fact is it needs...

MAME is definitely not crap. The fact is it needs a lot more CPU power than previous versions.

Which explains why Mame4All (most raspberry/android arm based ports) is based on mame 0.34 something...
Forum: project.WHDLoad 25 January 2020, 00:24
Replies: 13
Views: 479
Posted By jotd
and the issue was indeed a long read at an odd...

and the issue was indeed a long read at an odd address. Fixed in v2.4 of the slave, to be published on whdload page. Thanks for "reporting".
Forum: Coders. General 24 January 2020, 23:41
Replies: 13
Views: 605
Posted By jotd
Didn't find where ghidra can load amiga hunk...

Didn't find where ghidra can load amiga hunk format. Not without extensions it can't.
Forum: Amiga scene 24 January 2020, 23:24
Replies: 121
Views: 9,392
Posted By jotd
hummm I'm not a demomaker. And I'm not doing a...

hummm I'm not a demomaker. And I'm not doing a cracktro for my own game :)
Forum: Coders. General 24 January 2020, 15:13
Replies: 13
Views: 605
Posted By jotd
IRA is very good and even has a windows port. IDA...

IRA is very good and even has a windows port. IDA 68k is the best but not free
Forum: support.Games 24 January 2020, 08:43
Replies: 42
Views: 1,666
Posted By jotd
Another option would be to rip the screens,...

Another option would be to rip the screens, rework & paste to memory when needed. The format of the files is rather obscure. I suspect that there is no width & height but a bunch of data joined...
Forum: Amiga scene 24 January 2020, 08:37
Replies: 121
Views: 9,392
Posted By jotd
yes, the game is rather difficult when you don't...

yes, the game is rather difficult when you don't know where to go/how to avoid the guards. the "trainer" mode gives more time at least. I'll change it so it gives more lives too.
Forum: Coders. General 22 January 2020, 22:55
Replies: 67
Views: 7,755
Posted By jotd
IIRC, the MFM format of Agony & Unreal disks is...

IIRC, the MFM format of Agony & Unreal disks is the same (disks start by "ur00"). I don't know if the format has a name though.
Forum: project.WHDLoad 22 January 2020, 07:39
Replies: 13
Views: 479
Posted By jotd
aaah seems you're using a 68000 configuration and...

aaah seems you're using a 68000 configuration and the slave uses odd address access. Needs to be fixed. In the meanwhile, use 68020 configuration at least.
Forum: Coders. General 22 January 2020, 07:33
Replies: 43
Views: 3,868
Posted By jotd
or go Windows + python (pillow image library) +...

or go Windows + python (pillow image library) + imagemagick + amigeconv. You can work as "modern" formats like PNGs (with palette) and generate raw bitplane data in the end.

problem is the...
Forum: Coders. General 22 January 2020, 00:11
Replies: 43
Views: 3,868
Posted By jotd
amigeconv can convert PNG to raw (bitplanes,...

amigeconv can convert PNG to raw (bitplanes, interleaved) and copperlist for palette. It's portable (I'm running it on windows)
Forum: Retrogaming General Discussion 21 January 2020, 21:55
Replies: 3
Views: 230
Posted By jotd
Last Battle (sega) was covered in a Retrogamer...

Last Battle (sega) was covered in a Retrogamer "Retroshamer" article. A proof of quality.
Forum: project.WHDLoad 21 January 2020, 11:22
Replies: 13
Views: 479
Posted By jotd
if you can't remember the full text, no wonder...

if you can't remember the full text, no wonder why noone is able to help you
Forum: Nostalgia & memories 21 January 2020, 04:57
Replies: 249
Views: 58,831
Posted By jotd
Dungeon Master wasn't hard to crack because of...

Dungeon Master wasn't hard to crack because of the fuzzy bit (those routines are easy to spot because they're accessing the drive in a weird way) but because of all the code checksums protecting the...
Forum: Nostalgia & memories 20 January 2020, 23:22
Replies: 42
Views: 1,518
Posted By jotd
problem with lemmings is that the creators became...

problem with lemmings is that the creators became so good at it that they overlooked some levels difficulty. Exactly like Cannon Fodder. Not enough playtesters.
Forum: Nostalgia & memories 20 January 2020, 23:14
Replies: 249
Views: 58,831
Posted By jotd
no , it wasn't hard. Just patch the disk...

no , it wasn't hard. Just patch the disk protection code with just:


emu_protect
move.l #$1ADB,d0
rts


(feed the key the game is expecting instead of reading the protected track)
Forum: Retrogaming General Discussion 20 January 2020, 20:33
Replies: 33
Views: 951
Posted By jotd
how can a port be better than the model it's...

how can a port be better than the model it's trying to faithfully reproduce? This thread is about this, not about "ports that are very faithful to the arcade version".

Except if some classic gets...
Forum: Amiga scene 20 January 2020, 15:11
Replies: 16
Views: 696
Posted By jotd
they even took the time to create animations for...

they even took the time to create animations for those oldies that we love. It's great, considering that they don't sell them anymore. It's probably just because they love them :)
Forum: support.Games 19 January 2020, 22:12
Replies: 42
Views: 1,666
Posted By jotd
thanks for the spanish version. Check the...

thanks for the spanish version.

Check the zone for a beta english version (whdload).

What's missing is the translation of the text contained in images. I saw that they're located in ICONES.MSG...
Forum: support.Games 19 January 2020, 15:51
Replies: 42
Views: 1,666
Posted By jotd
Texts are translated using texts from english...

Texts are translated using texts from english version and some python code to extract/rebuild amiga 'O' and 'T' files (we can only take "TITLES" file as is else it crashes), more finalization to do....
Forum: Coders. Contest 19 January 2020, 12:41
Replies: 1,699
Views: 132,551
Posted By jotd
No way I'm polluting this thread to say that I've...

No way I'm polluting this thread to say that I've voted for Rygar.
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