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Search: Posts Made By: Toni Wilen
Forum: Coders. Asm / Hardware Yesterday, 14:33
Replies: 21
Views: 893
Posted By Toni Wilen
Yes. MOVE's first DMA cycle loads register...

Yes. MOVE's first DMA cycle loads register address to internal storage, second DMA cycle writes directly to selected register.



HRM is wrong. CPU can use both odd and even cycles but usually...
Forum: Coders. Asm / Hardware Yesterday, 10:14
Replies: 21
Views: 893
Posted By Toni Wilen
No because custom registers are 16-bit wide. ...

No because custom registers are 16-bit wide.

32-wide chip RAM (A3000 or AGA):
CPU can read or write 32-bit word (if address is 32-bit aligned) every second chipset cycle.
Custom registers (all...
Forum: support.WinUAE 25 May 2022, 16:37
Replies: 3
Views: 428
Posted By Toni Wilen
Can you narrow it down specific version that...

Can you narrow it down specific version that introduced the frame pacing problem? I don't support old versions but if I know exact version that introduced something bad (preferably exact beta...
Forum: Coders. Asm / Hardware 25 May 2022, 10:11
Replies: 21
Views: 893
Posted By Toni Wilen
It is not possible for CPU to access chip ram (or...

It is not possible for CPU to access chip ram (or chipset bus) every cycle. All chipset variants have same interleaved CPU access timing: first cycle is used to transfer address to Agnus/Alice (this...
Forum: Coders. Asm / Hardware 24 May 2022, 18:22
Replies: 7
Views: 365
Posted By Toni Wilen
It should have real fast ram speeds. It has no...

It should have real fast ram speeds. It has no connections to Agnus chip ram side bus/signals and 74LS393 (2x4 bit binary counter) probably is used as a refresh counter.
Forum: Amiga scene 21 May 2022, 10:17
Replies: 10
Views: 967
Posted By Toni Wilen
Some older thread probably has better explanation...

Some older thread probably has better explanation but basically 6888x is IO mapped to some address space and software emulates 68020/030 co-processor interface protocol to execute FPU instructions.
...
Forum: support.Games 20 May 2022, 20:37
Replies: 1
Views: 375
Posted By Toni Wilen
It could be as simple as bad/corrupted adf. Where...

It could be as simple as bad/corrupted adf. Where did you download it/upload it to the zone for confirming.
Forum: Amiga scene 20 May 2022, 20:33
Replies: 10
Views: 967
Posted By Toni Wilen
It is not possible. 68040 and 68060 does not have...

It is not possible. 68040 and 68060 does not have external co-processor interface. Only 68020 and 68030 have it.

(yes, 68000 + 6888x is possible but it means emulating co-processor protocol in...
Forum: support.WinUAE 18 May 2022, 18:50
Replies: 4
Views: 547
Posted By Toni Wilen
This crash dump is related to HAM output buffer...

This crash dump is related to HAM output buffer overflow but reason is unknown.

Generally crash dumps are useless (or in worst case misleading) when JIT is enabled.

Can you duplicate it easily?
Forum: support.WinUAE 17 May 2022, 18:28
Replies: 2
Views: 516
Posted By Toni Wilen
It is normal (even PAL/NTSC affects it). Sysinfo...

It is normal (even PAL/NTSC affects it). Sysinfo has never been a good benchmark program.
Forum: support.WinUAE 17 May 2022, 17:12
Replies: 3
Views: 428
Posted By Toni Wilen
Thats weird, never heard anything like this.....

Thats weird, never heard anything like this.. Sounds more like Windows side problem if same happens with current and 5+ years old versions.

Does it only happen in fullscreen mode? Check also that...
Forum: support.WinUAE 16 May 2022, 21:56
Replies: 3
Views: 359
Posted By Toni Wilen
It was fixed few months ago. Tracing STOP only...

It was fixed few months ago. Tracing STOP only worked once before the fix.
Forum: support.WinUAE 14 May 2022, 19:12
Replies: 5
Views: 637
Posted By Toni Wilen
Learn how Amiga MFM encoding works :) WinUAE...

Learn how Amiga MFM encoding works :)

WinUAE does not care or need to know. Raw bit stream is DMA'd to memory. MFM decoding is done by Amiga side software (trackdisk.device or game/demo...
Forum: support.WinUAE 12 May 2022, 21:21
Replies: 5
Views: 637
Posted By Toni Wilen
Drive selected (yes) or not selected (no)....

Drive selected (yes) or not selected (no). (SEL0-SEL3 bits)



Total number of bits in this track.



It is theoretical max bits that Amiga can write. It is not logical floppy format size.
Forum: support.WinUAE 12 May 2022, 21:04
Replies: 2
Views: 521
Posted By Toni Wilen
Assuming 32-bit version also crashes: does...

Assuming 32-bit version also crashes: does https://www.winuae.net/files/b/winuae.7z also crash? (but don't use it for anything else, it is too alpha)

If it does not (and previous official 32-bit...
Forum: support.WinUAE 12 May 2022, 21:02
Replies: 24
Views: 1,968
Posted By Toni Wilen
Fixed again. (too much display emulation updates...

Fixed again. (too much display emulation updates that made collision incompatible with multiple different conditions).
Forum: support.WinUAE 12 May 2022, 21:01
Replies: 3
Views: 453
Posted By Toni Wilen
It should be possible to select GUI elements with...

It should be possible to select GUI elements with a joystick like TAB selection works but I am not sure if there is sane way to decide which is closest element in each 4 direction.
Forum: support.WinUAE 12 May 2022, 21:00
Replies: 2
Views: 1,073
Posted By Toni Wilen
None. I lost interest, maybe someday..

None. I lost interest, maybe someday..
Forum: support.WinUAE 11 May 2022, 18:59
Replies: 13
Views: 1,179
Posted By Toni Wilen
Yes. Because it is basically unsupported hack. ...

Yes. Because it is basically unsupported hack.

It would be much simpler if there was a way to render directly to front buffer but currently only way is to render in back buffer and then swap...
Forum: support.WinUAE 11 May 2022, 18:29
Replies: 19
Views: 1,234
Posted By Toni Wilen
Yeah, but VBR is obviously restored (or nothing...

Yeah, but VBR is obviously restored (or nothing would work) which makes this confusing...

Does it work if you save state when in games menu screen. Quick emulator immediately after saving. Then...
Forum: support.WinUAE 11 May 2022, 18:01
Replies: 13
Views: 1,179
Posted By Toni Wilen
As was already mentioned, it depends. You usually...

As was already mentioned, it depends. You usually don't want too accurate emulation if you want to run applications or whdload games. You want more speed and flexibility. (it might sound weird: the...
Forum: support.WinUAE 07 May 2022, 15:35
Replies: 19
Views: 1,234
Posted By Toni Wilen
I know what it technically means but it makes no...

I know what it technically means but it makes no sense because VBR (68010+ CPU register) is restored with statefile.
Forum: support.WinUAE 07 May 2022, 13:42
Replies: 19
Views: 1,234
Posted By Toni Wilen
I can debug this if someone first tells me what...

I can debug this if someone first tells me what does this message mean in practise?
Forum: support.WinUAE 07 May 2022, 11:30
Replies: 5
Views: 637
Posted By Toni Wilen
DMA start when track is zero. (R=read default,...

DMA start when track is zero. (R=read default, W=write, P=DSKBYTR CPU read)



Floppy drive state (motor, cylinder, selected, side select) and register contents (DMA pointer, length, DSKBYTR,...
Forum: support.WinUAE 04 May 2022, 19:36
Replies: 4
Views: 681
Posted By Toni Wilen
Fixed. Memwatch regions that crossed 64k "bank"...

Fixed. Memwatch regions that crossed 64k "bank" (or were larger than 64k) didn't map last bank if it was only partially required.

(This can be seen easily by using "dm" to see which parts of...
Forum: support.WinUAE 02 May 2022, 11:41
Replies: 11
Views: 987
Posted By Toni Wilen
Only 68000 instructions (if I didn't miss...

Only 68000 instructions (if I didn't miss anything) that have variable cycle usage are:

- register shift instructions
- mul/div
- bset/bclr/bchg #/dn,dn that add 2 extra cycles if source bit...
Forum: support.WinUAE 01 May 2022, 16:46
Replies: 24
Views: 1,968
Posted By Toni Wilen
Fixed. There was 2 bugs. - sprite to...

Fixed. There was 2 bugs.

- sprite to bitplane collisions didn't work if display hdiw was "always on" (end position out of range).
- bitplane to bitplane collision only worked if same scanline had...
Forum: support.WinUAE 30 April 2022, 19:48
Replies: 1
Views: 709
Posted By Toni Wilen
No. I am not interested in video players or PC...

No. I am not interested in video players or PC side special drivers, sorry.
It should be technically possible. (But current native interface isn't very good or easily 64-bit compatible)
Forum: support.WinUAE 30 April 2022, 19:46
Replies: 9
Views: 1,381
Posted By Toni Wilen
Strange.. Ok, next test. Run winuae using...

Strange..

Ok, next test. Run winuae using command line: "winuae.exe -log -inputlog 1 -inputdevicelog 3" (use windowed mode).

Does log window still show input events when the problem happens? Or...
Forum: support.WinUAE 30 April 2022, 19:40
Replies: 24
Views: 1,968
Posted By Toni Wilen
Statefile that shows the problem almost...

Statefile that shows the problem almost immediately would be nice :)
(still working with UAE 68000 IPL accuracy, not much time for anything else until it is done)
Forum: support.WinUAE 30 April 2022, 15:04
Replies: 7
Views: 1,006
Posted By Toni Wilen
Assuming config is quickstart CD32 (no floppy...

Assuming config is quickstart CD32 (no floppy drives or anything else), this might be one of those weird CD32 games that require CD insert after CD32 boot screen appears (which strangely gives...
Forum: support.WinUAE 29 April 2022, 16:05
Replies: 1
Views: 536
Posted By Toni Wilen
Most likely reason is stack overflow. Long paths...

Most likely reason is stack overflow. Long paths and/or recursive directory scanning can require large stack. (AmigaOS stack command)

JIT won't like stack overflows and usually crashes (and...
Forum: support.WinUAE 27 April 2022, 17:57
Replies: 30
Views: 2,762
Posted By Toni Wilen
It seems to be (bug report wasn't very clear..). ...

It seems to be (bug report wasn't very clear..).

Unfortunately I am not going to release any updates soon so possible options are:
- WinUAE 4.9.0 or earlier.
- Older Picasso96.
- Temporary...
Forum: support.WinUAE 26 April 2022, 21:48
Replies: 30
Views: 2,762
Posted By Toni Wilen
I meant the opposite. I can duplicate it without...

I meant the opposite. I can duplicate it without p96test but there is no crash with p96test.

Which means there must be some other reason too.
Forum: support.WinUAE 26 April 2022, 18:41
Replies: 9
Views: 1,381
Posted By Toni Wilen
When input stops in emulated Amiga, enter GUI ->...

When input stops in emulated Amiga, enter GUI -> Game ports -> Test/Remap -> Test.

Does keys and mouse still respond in test mode window? (F12 to exit)
Forum: support.WinUAE 26 April 2022, 17:53
Replies: 30
Views: 2,762
Posted By Toni Wilen
After quick check: it crashes when level 3...

After quick check: it crashes when level 3 interrupt returns with RTE because return address appears to be corrupted in stack.

Debugging more later today..

EDIT: Above was only a side-effect.
...
Forum: support.WinUAE 26 April 2022, 10:36
Replies: 7
Views: 1,265
Posted By Toni Wilen
It is bad code if vblank interrupt is active at...

It is bad code if vblank interrupt is active at the same time (or blitter stealing all cycles)

Normally interrupt starts few cycles after start of frame (first refresh slot position) but this is...
Forum: support.WinUAE 24 April 2022, 19:40
Replies: 30
Views: 2,762
Posted By Toni Wilen
DACSWITCH parameter flag is always set (I guess I...

DACSWITCH parameter flag is always set (I guess I forgot to make it to depend on p96test because it was not defined in headers yet. Development package still hasn't been updated.)

But shouldn't it...
Forum: support.WinUAE 24 April 2022, 17:42
Replies: 6
Views: 714
Posted By Toni Wilen
Do you mean Amiga boots from DF1:? (Not from...

Do you mean Amiga boots from DF1:? (Not from HD?). Log seems like you are booting from HD.

Something crashes when booting. Probably something in your startup-sequence. Possibly stack overflow (Try...
Forum: support.WinUAE 24 April 2022, 17:19
Replies: 30
Views: 2,762
Posted By Toni Wilen
JIT direct won't affect uaegfx because it has...

JIT direct won't affect uaegfx because it has 100% linear VRAM. (and obviously the very first step is to test without JIT!)

Almost all emulated graphics boards have different "views" to same VRAM...
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