asm tuts

BippyM · 08 January 2006, 16:00

Hey guys..

I am once again trying to learn 68kasm

Now the easiest way imo is to reverse engineer existing software and see what it does.

Now I am thinking maybe a few tuts for training/properly cracking caps images.. Not because it is needed, and tbh with WHDLoad it'd be pointless but more as a learning tool..

Flashtro is a good resource but they don't go into detail or say how they managed to find this address or that address and they'll say put this number in this location etc. They are also not posted in a way where someone could ask a question if they were stuck.

I posted this as a poll cuz it'd be interesting as to whom would try out the examples and ask questions etc.

So is it a good idea?

kriz · 08 January 2006, 16:55

Very interesting stuff, seeing all the excellent coders we got here at Eab. I cant code anything (only simple basic stuff) but would follow with great interest!!

All go Bippym!

BippyM · 08 January 2006, 16:58

That was my idea..

I can't do much in asm, but I can train a game using a replay etc.. odd that! (and I don't mean using the Trainer commands)

I've always wanted to learn 68kasm and am going to do this before I die (I have plenty time I hope :P)

---

A book cannot answer a question or explain something in a more simple term or show examples to fit your specific needs.. Our EAB brethren can

BippyM · 08 January 2006, 20:29

Come on guys.. get voting..

redblade · 09 January 2006, 07:42

I guess if you are wanting to code basic Trainer menus and stuff then it might those Asm tutorials by cool-g on aminet are ok, you may need to modify the code for AGA/Kick2+.

Unless you are trying to code nice system friendly intuition stuff then you have to master the ports. getmsg(),

Joe Maroni · 09 January 2006, 09:24

great idea, i´m more interested in writing whdload installs...

Big-Byte · 09 January 2006, 09:49

First thing I taught myself in asm was a bouncing copper bar.
Then I had 10 bouncing copper bars! I can still remember the euphoria when I got it working!!

Doc Mindie · 09 January 2006, 10:22

I wanna LEAAAAARRRRRNNNNN!!!!!!!

Put up HEAPS of tut's, whoever decides to Preach to us who wants to see the Light in the form of Allmighty 6800 Assembler God

lopos2000 · 09 January 2006, 10:24

Yes, I always wanted to know how to program in ASM.

BippyM · 09 January 2006, 17:57

I think I'll see if RCK will allow us another sub-forum

Programming Tutorials

NOB · 09 January 2006, 18:18

Shouldn´t a tut start at the beginning?

Maybe some words about:

Bits, bytes, words, Memory, Number Systems, Registers,
Addressing modes,the development Assemblers,Hardware
Registers, Custom Chips, the 68000 processor.......

or is this to theoretical?

Joe Maroni · 09 January 2006, 18:27

Quote:

Originally Posted by bippym

I think I'll see if RCK will allow us another sub-forum

Programming Tutorials

is this really neccessary...?? just make a sticky topic within links to each tutorial...

Quote:

Originally Posted by NOB

Shouldn´t a tut start at the beginning?

Maybe some words about:

Bits, bytes, words, Memory, Number Systems, Registers,
Addressing modes,the development Assemblers,Hardware
Registers, Custom Chips, the 68000 processor.......

or is this to theoretical?

this are the basics of assembler and remember that assembler is not a language to start with learning programming...

BippyM · 09 January 2006, 18:30

If someone wants to do a PROPER tutorial(s) with homework etc.. then let that person stand forward..

I don't really know alot about asm to warrant me doing all that (i'd make mistakes). Lets be honest there are plenty of web sites and other info that can explain all of that, and I'll be providing links etc

Lets just train a game or 2 and see what happens from there

NOB · 09 January 2006, 18:44

Quote:

Originally Posted by bippym

Lets just train a game or 2 and see what happens from there

Ok, we will see what happens

Joe Maroni · 09 January 2006, 20:14

lets start the fun...

Miggy2TheMax · 10 January 2006, 01:22

sounds like a great idea, there is a 68000 tutorial in ascii text somewhere, i remember printing it out long ago, I wonder if it is on Aminet. I think thats a good starting point.. maybe a *bit* dry to begin with but a starting point none the less.
Maybe we should start of by having a look at what documentation on 68000 asm
exists and create a repository and work from there by picking out whats best. anyhow, be warned I'm no asm expert and any knowhow I've long forgotten, but I'd be interested how this will evolve.

BippyM · 10 January 2006, 02:24

Miggy: As you'll have seen I have created a sticky in the coders section that is for links to online material.. whether it is a full online manulat to an obscure bit of code. All is relevant

gizmomelb · 10 January 2006, 07:27

if I recall correctly, my 68000 assembly introduction was from a type in listing from one of the Amiga magazines (Amiga Format? C64/Amiga User? most likely) and a coverdisk demo version of Devpac (2?).

It was something really simple (just a 'hello world') but then went on over a few issues and had a copper bar, sprites etc. The really simple code and just me changing a few number values in data statements for colours, where on the screen etc. all 'clicked' and got me going from there.

Generally assembler is quite an easy concept - the majority of it involves adding or subtracting values, or moving a number to/from a register or memory location. The 'confusing' part of it is knowing which memory locations do what (and that's where various Programmer's Reference Guides come in useful).

AmiGer · 10 January 2006, 08:11

I voted Yes, of course...

Please use "Coder's Heaven" or "CARE project" sub forum for that. Maybe just one sticky thread with links to tuts on the eab webspace or whereever else ?. Small sources/tuts could be appended to the posts in this thread...

Big-Byte · 10 January 2006, 12:14

Ohh Im going to have to dig out my old source code disks again.. there is some really basic stuff in there which is ideal for beginners (My first copper bar demo and also my first trainer (Mousetrap) is on them)

Bear in mind though that Im not the worlds best coder!

If anyone already has them (Ive made them available to people before) then feel free to upload them to the zone or rip the code out to post on the board.

View Poll Results: Would a decent series of asm tuts be useful (Public poll)
Yes: Great idea.. I'll try it and give advice if I can	28	35.90%
Yes: Great.. I'll contribute to the tuts and answer Q's	7	8.97%
Nope.. Shite idea.. pointless etc..	1	1.28%
Great Idea, would use it but can't contribute (Yet!!)	42	53.85%
Voters: 78. You may not vote on this poll

08 January 2006, 16:00	#1
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	asm tuts Hey guys.. I am once again trying to learn 68kasm Now the easiest way imo is to reverse engineer existing software and see what it does. Now I am thinking maybe a few tuts for training/properly cracking caps images.. Not because it is needed, and tbh with WHDLoad it'd be pointless but more as a learning tool.. Flashtro is a good resource but they don't go into detail or say how they managed to find this address or that address and they'll say put this number in this location etc. They are also not posted in a way where someone could ask a question if they were stuck. I posted this as a poll cuz it'd be interesting as to whom would try out the examples and ask questions etc. So is it a good idea?

08 January 2006, 16:58	#3
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	That was my idea.. I can't do much in asm, but I can train a game using a replay etc.. odd that! (and I don't mean using the Trainer commands) I've always wanted to learn 68kasm and am going to do this before I die (I have plenty time I hope :P) --- A book cannot answer a question or explain something in a more simple term or show examples to fit your specific needs.. Our EAB brethren can Last edited by BippyM; 08 January 2006 at 17:38.

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08 January 2006, 16:55	#2
kriz Junior Member Join Date: Sep 2001 Location: No(R)Way Age: 42 Posts: 3,222	Very interesting stuff, seeing all the excellent coders we got here at Eab. I cant code anything (only simple basic stuff) but would follow with great interest!! All go Bippym!

08 January 2006, 20:29	#4
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	Come on guys.. get voting..

09 January 2006, 07:42	#5
redblade Zone Friend Join Date: Mar 2004 Location: Middle Earth Age: 40 Posts: 2,127	I guess if you are wanting to code basic Trainer menus and stuff then it might those Asm tutorials by cool-g on aminet are ok, you may need to modify the code for AGA/Kick2+. Unless you are trying to code nice system friendly intuition stuff then you have to master the ports. getmsg(),

09 January 2006, 09:24	#6
Joe Maroni Moderator Join Date: Feb 2003 Location: Germany Age: 44 Posts: 1,303	great idea, i´m more interested in writing whdload installs...

09 January 2006, 09:49	#7
Big-Byte Long time member Join Date: Jul 2001 Location: UK Posts: 754	First thing I taught myself in asm was a bouncing copper bar. Then I had 10 bouncing copper bars! I can still remember the euphoria when I got it working!!

09 January 2006, 10:22	#8
Doc Mindie In deep Trouble Join Date: Sep 2004 Location: Manchester, Made in Norway Age: 51 Posts: 841	I wanna LEAAAAARRRRRNNNNN!!!!!!! Put up HEAPS of tut's, whoever decides to Preach to us who wants to see the Light in the form of Allmighty 6800 Assembler God

09 January 2006, 10:24	#9
lopos2000 Zone Friend Join Date: Apr 2005 Location: Cider is best In The West Posts: 1,238	Yes, I always wanted to know how to program in ASM.

09 January 2006, 17:57	#10
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	I think I'll see if RCK will allow us another sub-forum Programming Tutorials

09 January 2006, 18:18	#11
NOB Zone Friend Join Date: Aug 2005 Location: Germany Age: 52 Posts: 424	Shouldn´t a tut start at the beginning? Maybe some words about: Bits, bytes, words, Memory, Number Systems, Registers, Addressing modes,the development Assemblers,Hardware Registers, Custom Chips, the 68000 processor....... or is this to theoretical?

09 January 2006, 18:30	#13
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	If someone wants to do a PROPER tutorial(s) with homework etc.. then let that person stand forward.. I don't really know alot about asm to warrant me doing all that (i'd make mistakes). Lets be honest there are plenty of web sites and other info that can explain all of that, and I'll be providing links etc Lets just train a game or 2 and see what happens from there

09 January 2006, 20:14	#15
Joe Maroni Moderator Join Date: Feb 2003 Location: Germany Age: 44 Posts: 1,303	lets start the fun...

10 January 2006, 01:22	#16
Miggy2TheMax Junior Member Join Date: Jan 2002 Location: Australia Age: 45 Posts: 381	sounds like a great idea, there is a 68000 tutorial in ascii text somewhere, i remember printing it out long ago, I wonder if it is on Aminet. I think thats a good starting point.. maybe a bit dry to begin with but a starting point none the less. Maybe we should start of by having a look at what documentation on 68000 asm exists and create a repository and work from there by picking out whats best. anyhow, be warned I'm no asm expert and any knowhow I've long forgotten, but I'd be interested how this will evolve.

10 January 2006, 02:24	#17
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	Miggy: As you'll have seen I have created a sticky in the coders section that is for links to online material.. whether it is a full online manulat to an obscure bit of code. All is relevant

10 January 2006, 07:27	#18
gizmomelb Registered User Join Date: Sep 2005 Location: melbourne Age: 55 Posts: 541	if I recall correctly, my 68000 assembly introduction was from a type in listing from one of the Amiga magazines (Amiga Format? C64/Amiga User? most likely) and a coverdisk demo version of Devpac (2?). It was something really simple (just a 'hello world') but then went on over a few issues and had a copper bar, sprites etc. The really simple code and just me changing a few number values in data statements for colours, where on the screen etc. all 'clicked' and got me going from there. Generally assembler is quite an easy concept - the majority of it involves adding or subtracting values, or moving a number to/from a register or memory location. The 'confusing' part of it is knowing which memory locations do what (and that's where various Programmer's Reference Guides come in useful).

10 January 2006, 08:11	#19
AmiGer Registered User Join Date: Sep 2002 Location: Germany Posts: 349	I voted Yes, of course... Please use "Coder's Heaven" or "CARE project" sub forum for that. Maybe just one sticky thread with links to tuts on the eab webspace or whereever else ?. Small sources/tuts could be appended to the posts in this thread...

10 January 2006, 12:14	#20
Big-Byte Long time member Join Date: Jul 2001 Location: UK Posts: 754	Ohh Im going to have to dig out my old source code disks again.. there is some really basic stuff in there which is ideal for beginners (My first copper bar demo and also my first trainer (Mousetrap) is on them) Bear in mind though that Im not the worlds best coder! If anyone already has them (Ive made them available to people before) then feel free to upload them to the zone or rip the code out to post on the board.

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