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Forum: support.Apps 21 February 2019, 22:40
Replies: 7
Views: 188
Posted By Don_Adan
Use FileMaster disk edit. Clear first 4 bytes...

Use FileMaster disk edit. Clear first 4 bytes (DOS 0).and you have non bootable disk. To restore write DOS 0 again.

Or you can use any ID f.e RYG2.
Forum: Amiga scene 07 February 2019, 17:30
Replies: 802
Views: 58,230
Posted By Don_Adan
What about Amiga OS 3.5/3.9? Which are included...

What about Amiga OS 3.5/3.9? Which are included inside 3.X ROM? I dont see info about this.
Forum: project.SPS (was CAPS) 30 January 2019, 16:21
Replies: 347
Views: 20,743
Posted By Don_Adan
More strange for me is why Snow Bros was...

More strange for me is why Snow Bros was preserved? Was not mastered with industrial machine. Cant be official IPF, because break the rules. Yes, it was master copy. But copied Amiga DOS games...
Forum: News 30 January 2019, 16:12
Replies: 99
Views: 7,110
Posted By Don_Adan
Right, open sourcing for Amiga is totally...

Right, open sourcing for Amiga is totally useless. Can be useful only if someone with big/enough knowledge about Amiga can be supervisor for open sourcing project. For me only a few people can be...
Forum: project.SPS (was CAPS) 30 January 2019, 13:43
Replies: 347
Views: 20,743
Posted By Don_Adan
Right this is not PRESERVATION, but only...

Right this is not PRESERVATION, but only PSEUDOPRESERVATION. In Poland perhaps all (or maybe almost all) games/programs was copied only. Even with trackdisk protections.
Forum: Amiga scene 29 December 2018, 01:27
Replies: 341
Views: 15,299
Posted By Don_Adan
For me the best popcorn is only from SEGA arcade...

For me the best popcorn is only from SEGA arcade hit Pengo:

https://www.youtube.com/watch?v=4Mw-XkalHUg
Forum: Coders. Asm / Hardware 22 December 2018, 19:22
Replies: 5
Views: 528
Posted By Don_Adan
I dont like to use BASEREG, not all Amiga...

I dont like to use BASEREG, not all Amiga assemblers has support for this. I prefer next style of code:



START: lea VARS(pc),a4
lea DATA1-VARS(a4),a0
lea...
Forum: Coders. General 18 December 2018, 23:11
Replies: 55
Views: 2,591
Posted By Don_Adan
Btw. for Turrican 3 game perhaps original sources...

Btw. for Turrican 3 game perhaps original sources was available in 2004 year, but i cant find working link for t3sourcerelease.zip file, only game data on authors page:
...
Forum: Coders. General 18 December 2018, 19:35
Replies: 55
Views: 2,591
Posted By Don_Adan
Perhaps here: ...

Perhaps here:

https://www.protovision.games/md/info.php?language=en
Forum: Coders. General 18 December 2018, 06:59
Replies: 55
Views: 2,591
Posted By Don_Adan
Turrican 3 "Return of Darkness" looks good too....

Turrican 3 "Return of Darkness" looks good too. Same authors like for Metal Dust.
https://www.youtube.com/watch?v=dnizEaI4ACI
Forum: Coders. Tutorials 14 December 2018, 22:10
Replies: 111
Views: 6,955
Posted By Don_Adan
Remember some Amiga ROM-s routines were reworked...

Remember some Amiga ROM-s routines were reworked a few times. D0-D1/A0-A1 are always Amiga scratch registers, except a few math and exec routines (info is stored inside docs). Of course not always...
Forum: Coders. Asm / Hardware 14 December 2018, 20:07
Replies: 1,000
Views: 38,830
Posted By Don_Adan
CALLM and RTM instructions are removed. Both...

CALLM and RTM instructions are removed. Both perhaps never used on Amiga.
Forum: Coders. General 13 December 2018, 19:09
Replies: 55
Views: 2,591
Posted By Don_Adan
Metal Dust looks good: ...

Metal Dust looks good:
https://www.youtube.com/watch?v=Ie79hicxteg
Forum: Coders. Asm / Hardware 13 December 2018, 12:50
Replies: 89
Views: 10,196
Posted By Don_Adan
Yes, exist easy (?) method for systems with...

Yes, exist easy (?) method for systems with activated net stack :) Use bsdsocket.library connect to atomic timer server, read atomic date value, check/set difference between used date on Amiga, at...
Forum: Coders. Asm / Hardware 10 December 2018, 19:37
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Right, dont close this thread. I always want to...

Right, dont close this thread. I always want to hear about advantages x86 code over 68k code. And maybe litwr will be soon very good 68k coder. Learning 68k coding is easy enough.
Forum: Coders. Asm / Hardware 05 December 2018, 17:55
Replies: 89
Views: 10,196
Posted By Don_Adan
You want to set correct time, after quiting? I...

You want to set correct time, after quiting? I never need this, but the easiest way for me is add counter to VBI interrupt addq.l #1,Counter, and update clock time at exit.
Forum: Nostalgia & memories 03 December 2018, 13:31
Replies: 154
Views: 10,179
Posted By Don_Adan
Perhaps you right. Maybe exist german version of...

Perhaps you right. Maybe exist german version of Rocket Ranger:

https://store.steampowered.com/app/326590/Cinemaware_Anthology_19861991/
Forum: Nostalgia & memories 03 December 2018, 12:36
Replies: 154
Views: 10,179
Posted By Don_Adan
German version exist too: ...

German version exist too:
http://hol.abime.net/1951
Forum: Coders. Tutorials 30 November 2018, 21:10
Replies: 111
Views: 6,955
Posted By Don_Adan
This is easy. Use subx.l D0,D0. If you want to...

This is easy. Use subx.l D0,D0. If you want to save Carry flag. You will be have 0 or -1 in D0.
Forum: Coders. Tutorials 29 November 2018, 23:35
Replies: 111
Views: 6,955
Posted By Don_Adan
Move ccr, d0 dont exist for 68000. move sr, d0...

Move ccr, d0 dont exist for 68000.
move sr, d0 works for 68040/68060 only in privillage mode.
If he want, he can set privillage mode and use move sr, d0. he can use superstate and userstate calls...
Forum: Nostalgia & memories 29 November 2018, 19:00
Replies: 154
Views: 10,179
Posted By Don_Adan
PC VGA version is mentioned in HOL conversion...

PC VGA version is mentioned in HOL conversion notes, but this is perhaps wrong.
Forum: Amiga scene 28 November 2018, 09:44
Replies: 136
Views: 11,015
Posted By Don_Adan
Yes, but this browser is native 68k browser. Is...

Yes, but this browser is native 68k browser. Is better than IBrowse, no MUI etc.
Maybe if someone give/sponsor him Vampire V4 standalone with autostarted ShapeShifter, he can update old iCAB sources.
Forum: Amiga scene 28 November 2018, 09:03
Replies: 136
Views: 11,015
Posted By Don_Adan
Solution is easy. Port the best 68k browser from...

Solution is easy. Port the best 68k browser from Mac to Amiga. Give some money to author or buy source from him.
http://icab.de/download.html
Forum: Coders. C/C++ 28 November 2018, 08:50
Replies: 8
Views: 784
Posted By Don_Adan
For me exist 4 options, for relloc absolute save...

For me exist 4 options, for relloc absolute save pointers.
1. Alloc extra memory for one full save, copy save game to this memory, deabsolute all necessary pointers, save this extra memory buffer as...
Forum: request.Apps 27 November 2018, 03:01
Replies: 14
Views: 1,237
Posted By Don_Adan
Maybe you can find Rotator game too? ...

Maybe you can find Rotator game too?

http://amr.abime.net/review_54496

Looks like unpublished but reviewed game.

Reviewed by Carsten Borgmeier.
Forum: Coders. C/C++ 25 November 2018, 03:02
Replies: 8
Views: 784
Posted By Don_Adan
If I understand correctly what you need, you can...

If I understand correctly what you need, you can deabsolute all (or only one?) address when program is saving, and reallocate these addresses when save game is loading. Some Amiga games used this...
Forum: Coders. Tutorials 24 November 2018, 23:52
Replies: 111
Views: 6,955
Posted By Don_Adan
Ok, perhaps i understand, what you need, use next...

Ok, perhaps i understand, what you need, use next code:

lea Base,A6

move.w tab1213-Base(a6), d2
move.w tab1011-Base(a6),d3

Base
....
tab1011 dc.w 0
Forum: Coders. Tutorials 24 November 2018, 21:35
Replies: 111
Views: 6,955
Posted By Don_Adan
Your code looks very strange. No big sense for...

Your code looks very strange. No big sense for me.

The mostly used 68000 version is next:

lea tab,a6 ; base
add.w D0,D0 ; offset seems to be only 0 for your example
move.w (a6,D0.W),D2
...
Forum: Amiga scene 24 November 2018, 12:50
Replies: 10
Views: 623
Posted By Don_Adan
Btw. Maybe you can ask him? ...

Btw. Maybe you can ask him?
http://www.aguter.plus.com/mastertronic/index.htm
Forum: Amiga scene 24 November 2018, 00:27
Replies: 10
Views: 623
Posted By Don_Adan
Maybe, Leaderboard (Arcadia version) was better...

Maybe, Leaderboard (Arcadia version) was better than Amiga version, and exist perhaps 5 version (cracked and uncracked). But Aaargh (Arcadia version) was better too, and is very rare. You are in UK,...
Forum: Amiga scene 24 November 2018, 00:05
Replies: 10
Views: 623
Posted By Don_Adan
I dont know, im searching for these titles many...

I dont know, im searching for these titles many years ago, I want to make WHDload installs. For me X Soldier and Mr. Do can exists. Almost all (except one title) Arcadia SS games were released...
Forum: Amiga scene 23 November 2018, 23:47
Replies: 10
Views: 623
Posted By Don_Adan
Hi, do you have any infos about Electro Choice...

Hi, do you have any infos about Electro Choice MGX games?
Seems to be very rare, if exists.
I mean about next titles:

"Mr. Do! Run Run '90" - http://hol.abime.net/376
"X Soldier" (Time Soldier)...
Forum: Coders. Asm / Hardware 21 November 2018, 22:55
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Something like this? Needs 8k stack size. ...

Something like this?

Needs 8k stack size.



; 68020 size-optimised spigot

; entête
nbch equ 1000 ; nb chiffres
Forum: Coders. Asm / Hardware 21 November 2018, 22:50
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Something like this? ; 68020...

Something like this?


; 68020 size-optimised spigot

; entête
nbch equ 1000 ; nb chiffres
truc equ (nbch/2)*7 ; const utilisée un peu partout

; init
Forum: Coders. Asm / Hardware 21 November 2018, 10:44
Replies: 1,000
Views: 38,830
Posted By Don_Adan
No, size of stack was changed. 4k was for Amiga...

No, size of stack was changed. 4k was for Amiga OS 3.0/3.1. Maybe for 2.0/2.1 too. For Amiga OS 3.5/3.9 it was 8k, i think, but i cant check this now. Many MUI programs needs 8k stack minimum. Some...
Forum: Coders. Asm / Hardware 21 November 2018, 01:36
Replies: 1,000
Views: 38,830
Posted By Don_Adan
You can check WHDload main exe file, but i dont...

You can check WHDload main exe file, but i dont remember difference, no $000003F2 at end or exe merged with data file.
BTW. Amiga strings must be ended with null (zero) byte.
Forum: Coders. Asm / Hardware 20 November 2018, 19:03
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Yes, 8k stack will be enough for this version,...

Yes, 8k stack will be enough for this version, like for PC standards it will be very small stack. Like for Amiga standards a few larger than normal, but perhaps Amiga OS 3.5/3.9 has 8k stack as...
Forum: Coders. Asm / Hardware 20 November 2018, 16:03
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Ok, 2 bytes gained, and truc can be no PC...

Ok, 2 bytes gained, and truc can be no PC relative for this version, much universal i think.



exeobj
bopt x+,f+,c+,O+,wo-,OG+,OT+,ODf+,ODg+
MC68020
output "ram:spigot2"

; 68020...
Forum: Coders. Asm / Hardware 20 November 2018, 10:37
Replies: 1,000
Views: 38,830
Posted By Don_Adan
I made only fastest a few version, but same size,...

I made only fastest a few version, but same size, if i remember right.



exeobj
bopt x+,f+,c+,O+,wo-,OG+,OT+,ODf+,ODg+
MC68020
output "ram:spigot2"

; 68020 size-optimised spigot
Forum: Coders. Asm / Hardware 19 November 2018, 22:24
Replies: 1,000
Views: 38,830
Posted By Don_Adan
Looks good for me. I will only remove "even" and...

Looks good for me. I will only remove "even" and replace with
lf
dc.b 10,0
Because some assemblers can place here random value and displayed text can be trashed.

dx.b 4 at end can be removed...
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