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Forum: Coders. Asm / Hardware Today, 23:18
Replies: 20
Views: 2,244
Posted By ross
I'm the only one that associate minterms with...

I'm the only one that associate minterms with Karnaugh maps?
https://en.wikipedia.org/wiki/Karnaugh_map
I'm used to it by high school.

@Antiriad: of course your method is fine.
I used very...
Forum: Coders. Asm / Hardware Today, 18:08
Replies: 6
Views: 342
Posted By ross
Well, I can only assume this, but I think the...

Well, I can only assume this, but I think the internal timings are the same.
Too few differences to justify something substantial...

However you have to try it :)
Forum: Coders. Asm / Hardware Today, 18:03
Replies: 11
Views: 328
Posted By ross
Just in very first frame (to set up a definite...

Just in very first frame (to set up a definite start for successive frames).
Then the LACE auto-toggle bit do the work for you.
Forum: Coders. Asm / Hardware Yesterday, 12:27
Replies: 6
Views: 342
Posted By ross
Sure it fail the TOD tests :) 6526 have also...

Sure it fail the TOD tests :)

6526 have also a TODIN bit in CRA not existing in 8520, for accurate time in 50/60Hz.
8520 simply count external event (24-bits): on Amiga CIA-A count 50/60 Hz,...
Forum: Coders. Asm / Hardware Yesterday, 01:12
Replies: 6
Views: 342
Posted By ross
Not only is binary (and not BCD) but also with...

Not only is binary (and not BCD) but also with only 3 registers available.
On Amiga, Kickstart use it.


Yes, true for 8520.


So 6526/8521 cannot be used on Amiga.
Vice versa 8520 can be...
Forum: Looking for a game name ? 16 November 2019, 17:52
Replies: 17
Views: 2,066
Posted By ross
Thanks Dan. Ok, since I'm an old fart I...

Thanks Dan.

Ok, since I'm an old fart I totally forgotten that I even patched this game for big Amigas!
I didn't remembered the name but something told me that the game wasn't great, probably...
Forum: Looking for a game name ? 16 November 2019, 11:28
Replies: 17
Views: 2,066
Posted By ross
Anch'io lo ricordo :) ma non il gioco.. Is...

Anch'io lo ricordo :) ma non il gioco..

Is this your reverse engineering?
https://www.youtube.com/watch?v=h5GRh4HgsAE&t=79s

EDIT:
It's a shame, I searched through my old code but it was...
Forum: Coders. Asm / Hardware 15 November 2019, 19:00
Replies: 11
Views: 328
Posted By ross
This: can end in a infinite loop :) If...

This:

can end in a infinite loop :)

If you start on progressive (default LOF) then someone setup an interlace screen and badly exit to progressive on short frame..
Forum: Coders. Asm / Hardware 15 November 2019, 18:26
Replies: 11
Views: 328
Posted By ross
A little warning: the messed up display could be...

A little warning: the messed up display could be from a previous frame ended-up in a last short frame.
Remember that the LACE bit in BPLCON0 is a toggle (if 1, change LOF bit on next frame).

So...
Forum: Hardware mods 14 November 2019, 21:27
Replies: 29
Views: 1,111
Posted By ross
As from link comments seems a 720p upscaler. ...

As from link comments seems a 720p upscaler.
And as 'no lag' is probably a line buffer memory device.
How this can work properly on 288p PAL is absolutely not clear to me (well, can work, but is...
Forum: Coders. General 14 November 2019, 12:52
Replies: 100
Views: 1,980
Posted By ross
I mean in the linux laptop (the integrated...

I mean in the linux laptop (the integrated keyboard).
Forum: Coders. General 14 November 2019, 12:20
Replies: 100
Views: 1,980
Posted By ross
hmm, my keyboard is seen as a PS/2 device. ...

hmm, my keyboard is seen as a PS/2 device.


USB or PS/2?
Forum: Coders. General 14 November 2019, 12:18
Replies: 100
Views: 1,980
Posted By ross
This is why I suggested to deimos to try another...

This is why I suggested to deimos to try another keyboard.
In my laptop for how many times I tried, I couldn't replicate the problem.
Otherwise it could also be somehow related to the Windows...
Forum: Coders. General 13 November 2019, 16:19
Replies: 100
Views: 1,980
Posted By ross
This is a case for Toni. It has never...

This is a case for Toni.

It has never happened to me with any keyboard or with any version of Windows.
Forum: Coders. General 13 November 2019, 16:04
Replies: 100
Views: 1,980
Posted By ross
:shocked So if you keep pressed a key do you...

:shocked
So if you keep pressed a key do you receive a sequence of key_press/key_release based on Windows key repeat feature?
I probably misunderstood what you mean :)

EDIT:
Ok, I saw your Edit...
Forum: Coders. Asm / Hardware 13 November 2019, 14:48
Replies: 12
Views: 461
Posted By ross
This is not possible because no compiler would...

This is not possible because no compiler would generate (voluntarily) that (op)code.
Nor can it be thought of as coupled with a link a7,#n because this link doesn't make any sense and also it...
Forum: Coders. Asm / Hardware 13 November 2019, 13:33
Replies: 12
Views: 461
Posted By ross
WinUAE :) The Motorola manuals report this...

WinUAE :)

The Motorola manuals report this internal sequence and it seems that this is respected throughout the full processors family.
Forum: Coders. Asm / Hardware 13 November 2019, 12:36
Replies: 12
Views: 461
Posted By ross
a real example: a7 = $3FFFC ...

a real example:
a7 = $3FFFC
(a7)=($3FFFC)=$50000

unlk a7 microcode:
An -> SP; a7=$3FFFC -> a7
[M(SP)] -> tmp; (a7)=($3FFFC)=$50000 -> tmp
SP+4 -> SP; a7+4=$3FFFc+4=$40000...
Forum: Coders. General 13 November 2019, 11:57
Replies: 100
Views: 1,980
Posted By ross
It's what I've always tried, but I can't...

It's what I've always tried, but I can't reproduce the problem, despite having tried and tried again.
But maybe can be that I have desynchronized fingers :)
Forum: Coders. General 12 November 2019, 23:36
Replies: 100
Views: 1,980
Posted By ross
You need to try to be sure. But I have the...

You need to try to be sure.

But I have the code that has been working for me for many minutes, I roll the airplane like a flag in the wind and it doesn't crash.
So it is likely to be so :)

Are...
Forum: Coders. General 12 November 2019, 23:26
Replies: 100
Views: 1,980
Posted By ross
Probably I need to contact Bartman to fix this...

Probably I need to contact Bartman to fix this stuff.

I've faced this problem and solved it:
http://eab.abime.net/showpost.php?p=1346694&postcount=7
Forum: Coders. General 12 November 2019, 23:23
Replies: 100
Views: 1,980
Posted By ross
Works. Even all cursor keys pressed.

Works.
Even all cursor keys pressed.
Forum: Coders. General 12 November 2019, 23:17
Replies: 100
Views: 1,980
Posted By ross
No more crash in any configuration if I inject...

No more crash in any configuration if I inject the ROM
Really fast on 040 ;)

An initial freeze in A1200 vanilla config (game do not init screen) but probably an unrelated race condition.
Forum: Coders. General 12 November 2019, 23:08
Replies: 100
Views: 1,980
Posted By ross
It's a standard WinUAE thing if you activate it...

It's a standard WinUAE thing if you activate it and know how to use it :)
it is absolutely not present in real machines or for 'standard' emulations of real machines.
Forum: Coders. General 12 November 2019, 23:04
Replies: 100
Views: 1,980
Posted By ross
This: 44b4: 4ab9 00f0 ff60 tst.l f0ff60...

This:
44b4: 4ab9 00f0 ff60 tst.l f0ff60 <_end+0xee7fe0>
44ba: 6734 beq.s 44f0 <KPrintF+0x44>
is wrong in so many way.

An unmapped address is floating, so jsr is (usually) executed.
Forum: Coders. General 12 November 2019, 22:55
Replies: 100
Views: 1,980
Posted By ross
It is code in extended ROM. It should not be...

It is code in extended ROM.
It should not be run in a 'real' machine.
Forum: Coders. General 12 November 2019, 22:53
Replies: 100
Views: 1,980
Posted By ross
I'm RGB12, this joke is too much for me :D

I'm RGB12, this joke is too much for me :D
Forum: Coders. General 12 November 2019, 22:47
Replies: 100
Views: 1,980
Posted By ross
If you activate the WinUAE Boot ROM the jump goes...

If you activate the WinUAE Boot ROM the jump goes to valid code (and in fact I've no longer crash), but this f0ff60 stuff shouldn't be present..

---
I've a question for Toni: with New UAE, 128k,...
Forum: Coders. General 12 November 2019, 21:49
Replies: 100
Views: 1,980
Posted By ross
000044ac <KPrintF>: { 44ac: 4fef ff80 ...

000044ac <KPrintF>:
{
44ac: 4fef ff80 lea -128(sp),sp
44b0: 48e7 0032 movem.l a2-a3/a6,-(sp)
if(*((ULONG *)UaeDbgLog)) {
44b4: 4ab9 00f0 ff60 tst.l f0ff60...
Forum: Coders. General 12 November 2019, 14:14
Replies: 100
Views: 1,980
Posted By ross
So this is the compiler way to help you? Add bugs...

So this is the compiler way to help you? Add bugs to your bugs?
Fantastic! :D
Forum: Coders. Asm / Hardware 11 November 2019, 23:44
Replies: 9
Views: 363
Posted By ross
Of course only on lines where you want a...

Of course only on lines where you want a different COLOR00 in playfield.
But yes, a COLOR00 change at the left edge and a COLOR00 back to black at the right edge.
Forum: Coders. General 11 November 2019, 21:26
Replies: 100
Views: 1,980
Posted By ross
The first thing to understand is why that code is...

The first thing to understand is why that code is there from the beginning.
In any case I have freeze in all conditions, I just need to press a button in any direction.
A500 Quickstat config, 512...
Forum: Coders. General 11 November 2019, 21:11
Replies: 100
Views: 1,980
Posted By ross
Yes this wrong code is already there, at absolute...

Yes this wrong code is already there, at absolute offset $4174 in exe.

§4174: 31fc 0000 0008 MOVE.W #$0000,$0008
§417a: 4e47 TRAP #$07
Forum: Coders. General 11 November 2019, 20:56
Replies: 100
Views: 1,980
Posted By ross
I do not see any code overwritten. Seems...

I do not see any code overwritten.
Seems already in hunk data.

But I inspecting better.
Forum: Coders. General 11 November 2019, 19:49
Replies: 100
Views: 1,980
Posted By ross
How do you handle the keyboard? This trap #7...

How do you handle the keyboard?
This trap #7 doesn't make much sense to me :)

Can you post an exe?
Forum: support.Other 11 November 2019, 16:05
Replies: 15
Views: 530
Posted By ross
What wrote meynaf is right, but it's not always...

What wrote meynaf is right, but it's not always true for everyone.
That it is simpler to hack a system friendly game is subjective.
I prefer those who take over the system, I can better keep the...
Forum: Coders. Asm / Hardware 11 November 2019, 15:54
Replies: 9
Views: 363
Posted By ross
Yes, it is possible, as many games did to get one...

Yes, it is possible, as many games did to get one more color back in the days (Beast, Agony, Lionheart, etc.).
You have to do it for every line, so used if you have lot of splits (as these games).
Forum: Coders. General 11 November 2019, 14:39
Replies: 28
Views: 835
Posted By ross
I was forgetting, code to generate the quad: ...

I was forgetting, code to generate the quad:

#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;

const long double SinTableSize=2048/4; // first quad only
const...
Forum: Coders. General 11 November 2019, 13:12
Replies: 28
Views: 835
Posted By ross
Just in case someone need it, this is my asm...

Just in case someone need it, this is my asm sin_cos LUT generator in 2:14 precision (requires a defined quadrant).
At the end you have five quadrants (to support cos without wrap).
Full angle...
Forum: Coders. General 10 November 2019, 15:28
Replies: 28
Views: 835
Posted By ross
Is the following too slow? moveq #0,d1...

Is the following too slow?

moveq #0,d1 ;but can be an useful value from a previous calc
move.l #$0FFFE44D,d0 ;your 4.28 partial result

add.l d0,d0
add.l ...
Showing results 1 to 40 of 2197

 
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