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Forum: Coders. Contest Today, 00:46
Replies: 1,653
Views: 119,639
Posted By jotd
people like me who are struggling with amiga game...

people like me who are struggling with amiga game coding really give you big kudos for pulling that out in no time.
Forum: Games images which need to be WHDified Today, 00:45
Replies: 16
Views: 625
Posted By jotd
all whdload versions have this bug since 2001. I...

all whdload versions have this bug since 2001. I guess this game ain't that popular, despite really nice AGA gfx. Anyway, update will be on whdload page soon. With trainer added.

Reminds me of...
Forum: Coders. Asm / Hardware 11 November 2019, 22:58
Replies: 6
Views: 346
Posted By jotd
CD32load does that. So if you're using a CD32load...

CD32load does that. So if you're using a CD32load compilation you're able to reset just by pressing (AFAIR) rev+fwd+all color buttons. You don't have to change the CD either: it's a compilation.
...
Forum: support.Other 11 November 2019, 17:19
Replies: 15
Views: 482
Posted By jotd
One thing I did: I disassembled an executable...

One thing I did: I disassembled an executable (Battle Chess), figured out data (text) mistaken as source. Once all those fake sources were converted into data, I could reassemble/add/remove stuff.
...
Forum: Games images which need to be WHDified 10 November 2019, 12:30
Replies: 16
Views: 625
Posted By jotd
Found the issue in whdload. Bert changed ...

Found the issue in whdload.

Bert changed adda.l -> adda.w somewhere probably to avoid access faults when D1 was too high (probably collision related)

PL_W $1ce6,$d0c1 ;adda.l -> adda.w
...
Forum: Games images which need to be WHDified 10 November 2019, 00:28
Replies: 16
Views: 625
Posted By jotd
Update: bug confirmed. On real CD32 and emulated...

Update: bug confirmed. On real CD32 and emulated CD32 ISO using winuae CD32 config it works well

With all versions of whdload I've tried it fails (under winuae). The mojo is launched but goes...
Forum: Games images which need to be WHDified 09 November 2019, 12:06
Replies: 16
Views: 625
Posted By jotd
I definitely have an interest testing & fixing...

I definitely have an interest testing & fixing this. A lot of projects right now, but let's see if this can be done easily.

CD32 plugged in with oscar in drive. And wall can be broken all right if...
Forum: Games images which need to be WHDified 07 November 2019, 22:32
Replies: 16
Views: 625
Posted By jotd
I'd be very surprised about this. Is there a way...

I'd be very surprised about this. Is there a way to reach this stage quickly? I have a CD32 and original version of Oscar, I can also test this.

Opening a mantis bug is a good idea.
Forum: support.Other 06 November 2019, 23:55
Replies: 15
Views: 482
Posted By jotd
A collaboration is also possible: you figure out...

A collaboration is also possible: you figure out what to change and we integrate that in whdload slaves for instance.

Earok does a lot of (excellent) game hacking but doesn't want to update...
Forum: support.Other 06 November 2019, 22:33
Replies: 15
Views: 482
Posted By jotd
then once you figured out what to change most of...

then once you figured out what to change most of the time you have to add code to change it, because data & code is often packed and unpacked by the game only when needed.

Or unpack, change,...
Forum: Retrogaming General Discussion 06 November 2019, 20:06
Replies: 135
Views: 19,671
Posted By jotd
" unlicensed Mega Drive port " WTF looks 100% the...

" unlicensed Mega Drive port " WTF looks 100% the same as amiga. Do you have some details? Unlicensed but either it's super reverse engineering or it's licensed. Unlicensed + Bitmap Bros + commercial...
Forum: Amiga scene 05 November 2019, 08:24
Replies: 98
Views: 5,127
Posted By jotd
Same for Windows with .bat. One of the main...

Same for Windows with .bat. One of the main reasons I'm using python on Windows :)

I use 68k asm, C++, C, python, with a good level of expertise (check my Stackoverflow profile...
Forum: Games images which need to be WHDified 04 November 2019, 23:53
Replies: 16
Views: 625
Posted By jotd
And Cadaver, Gods, Formula One (Micropose),...

And Cadaver, Gods, Formula One (Micropose), Sinbad, LOTRS, Leander... lots of examples. The CD32 version should be devoid of that check since it doesn't use any protection (they thought noone would...
Forum: Games images which need to be WHDified 04 November 2019, 08:04
Replies: 16
Views: 625
Posted By jotd
probably a very old install. And maybe a very...

probably a very old install. And maybe a very smart copy protection bug :)

Slave is from 2001... You can check the CD32 version which probably doesn't have any vicious protection and is also...
Forum: Amiga scene 03 November 2019, 22:42
Replies: 98
Views: 5,127
Posted By jotd
I tried it. And it worked. But 2.4 is just too...

I tried it. And it worked. But 2.4 is just too old to be useful. But it's still better than pdksh or amiga shell. You can still open files, process them, write them.

Python is still useful but on...
Forum: Retrogaming General Discussion 02 November 2019, 09:08
Replies: 24
Views: 3,341
Posted By jotd
The old amiga version is super-slow and uses SDL....

The old amiga version is super-slow and uses SDL. It also opens a window. The new amiga version will be full screen
Forum: support.Games 01 November 2019, 23:43
Replies: 11
Views: 529
Posted By jotd
@Angus: just zoned the module. I have the others...

@Angus: just zoned the module. I have the others too.

For Red Zone, it may interest me again to try to relocate code in fast memory, yes. Just took a beating with Pinball Prelude cd32 and some...
Forum: Coders. Asm / Hardware 01 November 2019, 22:36
Replies: 5
Views: 272
Posted By jotd
with the same exact code, one image is okay the...

with the same exact code, one image is okay the other has this buggy effect

80 wide: bad
168 wide: okay

65039
Forum: Coders. Asm / Hardware 01 November 2019, 22:27
Replies: 5
Views: 272
Posted By jotd
thanks. I forgot to set lwm because asm code...

thanks. I forgot to set lwm because asm code treats both registers together, in the C code you need 2 different moves. I've changed it


custom.bltafwm = 0xFFFF;
custom.bltalwm = 0xFFFF;

...
Forum: Retrogaming General Discussion 01 November 2019, 22:15
Replies: 24
Views: 3,341
Posted By jotd
C++ to C no, sorry! there are a lot of classes...

C++ to C no, sorry! there are a lot of classes and all. It's no longer useful since g++ does a good job as a 68k target.
Forum: Coders. Asm / Hardware 01 November 2019, 22:12
Replies: 5
Views: 272
Posted By jotd
blitter dumb questions

I've written a blitter routine but I have issues with it.

- small objects aren't blitter properly. If width < 16 pixels it doesn't work.

How to blit small objects (like 8x8 objects) ? Is it...
Forum: Retrogaming General Discussion 01 November 2019, 13:11
Replies: 24
Views: 3,341
Posted By jotd
after 4 years first update on this. Being...

after 4 years first update on this.

Being boosted by others creating their own arcade port amiga game (Kungfu master, Bombjack, Rygar), I'm finally trying to port that for amiga, but properly, by...
Forum: Coders. Contest 30 October 2019, 18:55
Replies: 1,653
Views: 119,639
Posted By jotd
you're not using the installer that's why the...

you're not using the installer that's why the sizes are different. Use xfddecrunch on the executable to expand it. You can't just copy floppy into "data", you HAVE to use the install script for a...
Forum: Coders. Contest 29 October 2019, 12:58
Replies: 1,653
Views: 119,639
Posted By jotd
Nope it's not. I've zoned a version using whdload...

Nope it's not. I've zoned a version using whdload running on CD32Load using IDE mode. If you're using a A1200 with FFS filesystem this should work. Just tested on Winuae standard IDE A1200 and it...
Forum: Coders. Contest 28 October 2019, 23:38
Replies: 1,653
Views: 119,639
Posted By jotd
"it doesn't work" isn't a clear bug report BTW :)...

"it doesn't work" isn't a clear bug report BTW :)

That's a special situation where McGeezer is fixing the bugs real time and I'm trying to follow with the whdload slave. I usually work with...
Forum: Coders. Contest 28 October 2019, 22:02
Replies: 1,653
Views: 119,639
Posted By jotd
I don"t know which "final" it is... The link...

I don"t know which "final" it is...

The link mcgeezer shared: http://109.228.4.199/ed0f24a151d67d5d87fd1cf8306859f2.adf

Still works. But I don't know if there was another version released
Forum: Coders. Contest 28 October 2019, 10:44
Replies: 32
Views: 1,478
Posted By jotd
- found another typo. After "SIESMIC MINDS",...

- found another typo. After "SIESMIC MINDS", there's "RYGAR, THE LEGENDARDY WARRIOR"...

- after ending a round, the next time you press fire, the shooting noise occurs but character doesn't shoot....
Forum: Coders. Contest 28 October 2019, 10:41
Replies: 1,653
Views: 119,639
Posted By jotd
@mcgeezer the slave I wrote is very likely to run...

@mcgeezer the slave I wrote is very likely to run on a stock CD32 with CD32Load, with joypad controls for pause. I didn't try it but I'm pretty sure it will work. I made sure that the memory layout...
Forum: Coders. Contest 27 October 2019, 22:52
Replies: 1,653
Views: 119,639
Posted By jotd
Oh and found another typo. After "SIESMIC MINDS",...

Oh and found another typo. After "SIESMIC MINDS", there's "RYGAR, THE LEGENDARDY WARRIOR"...

Tested on real miggy: the 2nd button issue is gone after I removed OS, all POTGO code from original &...
Forum: support.Games 27 October 2019, 22:31
Replies: 11
Views: 529
Posted By jotd
Angus floppy disks don't age well. It's 2019 and...

Angus floppy disks don't age well. It's 2019 and a lot of floppies probably are damaged if not stored properly.

Yeah, I remember you liked that loading funky music. It exists as a module too...
Forum: Coders. Contest 27 October 2019, 19:30
Replies: 1,653
Views: 119,639
Posted By jotd
Pause / ESC doesn't seem to work because...

Pause / ESC doesn't seem to work because interrupts are disabled... Also there's a programming error that triggers an access fault (table lookup with word index = $92Cxxx) ouch.

...
Forum: Coders. Asm / Hardware 27 October 2019, 10:46
Replies: 9
Views: 666
Posted By jotd
On windows: - WinUAE debugger is the best,...

On windows:

- WinUAE debugger is the best, with read/write breakpoints and all. Beats HRTMon (except for the UI: hrtmon has mouse)
- IRA has a windows version. Disassembles executables & memory...
Forum: support.Games 26 October 2019, 23:36
Replies: 11
Views: 529
Posted By jotd
don't worry anyway as the disks doesn't have any...

don't worry anyway as the disks doesn't have any form of protection.
Forum: support.Other 25 October 2019, 22:45
Replies: 9
Views: 480
Posted By jotd
Many games were available as HD installed as JST...

Many games were available as HD installed as JST first, then were rewritten using whdload (using or not the original JST source for hints)

Then Harry created some macros to help us convert JST...
Forum: support.Other 25 October 2019, 22:10
Replies: 9
Views: 480
Posted By jotd
To be exact, WHDLoad was created before JST (a...

To be exact, WHDLoad was created before JST (a few months before AFAIR). I think John Girvin (?) convinced me to start my own game loader system after Abaddon & I used some link code to create...
Forum: request.Old Rare Games 23 October 2019, 22:08
Replies: 1
Views: 285
Posted By jotd
There's a CD32 version that I've made (hosted by...

There's a CD32 version that I've made (hosted by earok somewhere) which has a trainer and can be run from a non-CD32 machine. It also doesn't use whdload (but cd32launch). AFAIR CUSTOM1=1 enables...
Forum: Coders. Contest 13 October 2019, 23:43
Replies: 1,653
Views: 119,639
Posted By jotd
ross you're probably right with those. Now IIRC I...

ross you're probably right with those. Now IIRC I had to fix most games that originally supported 2 buttons. Ex: Banshee: button only worked once. There are others. Skeleton Krew is another one, with...
Forum: Coders. Contest 13 October 2019, 23:02
Replies: 1,653
Views: 119,639
Posted By jotd
problem is that on real amigas it works for some...

problem is that on real amigas it works for some people and for some other people it doesn't. Looks like a timing issue that winuae isn't able to emulate properly (and I'm not blaming Toni, this is a...
Forum: Coders. Contest 13 October 2019, 22:39
Replies: 1,653
Views: 119,639
Posted By jotd
Ross provided me some input. Probably the OS also...

Ross provided me some input. Probably the OS also fiddling with POTGO. Damn this button2 hardware interface is annoying.

Ross suggested the following for the whdload slave



I'm not used to...
Forum: Coders. Contest 13 October 2019, 22:33
Replies: 1,653
Views: 119,639
Posted By jotd
don't forget to fix second button too :)

don't forget to fix second button too :)
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