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AuthorTopic: ALIAS in AmigaDOS 1.3  (Read 468 times)

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Offline blakespot

ALIAS in AmigaDOS 1.3
« on: November 05, 2019, 03:57:43 AM »
I seem to recall the ALIAS command in AmigaDOS 1.3 and I see docs that reference it, yet it’s not in my 1.3 HD install on the A1000 or on any of the 1.3 Workbench disks I have. Did it not exist in 1.3??



bp

:: http://www.bytecellar.com - The Vintage Computing Weblog
:: http://toucharcade.com - iPhone Gaming News and Reviews
:: Amigas: 1000, 2000, 1200 \'060, SAM440ep-Flex 733
 

Offline Matt_H

Re: ALIAS in AmigaDOS 1.3
« Reply #1 on: November 05, 2019, 05:04:46 AM »
Just checked my nearest reference guide at hand. According to Sheldon Leemon's AmigaDOS Reference Guide 4th Edition, ALIAS is an internal shell command, so there won't be a disk-based file for it.

Tested it quickly in a 1.3 environment in FS-UAE and it works.

So go nuts setting up aliases on your 1.3 system! :)
 

Offline blakespot

Re: ALIAS in AmigaDOS 1.3
« Reply #2 on: November 05, 2019, 05:11:23 AM »
I type ALIAS and get a Command Not Found. I put it in s/S-S and it errors out... Workbench 1.3 here. What gives?

Amiga 1000 w/ KS 1.3.




bp
:: http://www.bytecellar.com - The Vintage Computing Weblog
:: http://toucharcade.com - iPhone Gaming News and Reviews
:: Amigas: 1000, 2000, 1200 \'060, SAM440ep-Flex 733
 

Offline Thomas Richter

Re: ALIAS in AmigaDOS 1.3
« Reply #3 on: November 05, 2019, 05:27:47 AM »
I type ALIAS and get a Command Not Found. I put it in s/S-S and it errors out... Workbench 1.3 here. What gives?

The shell in 1.3 was disk-based, otherwise you just get the ROM-Shell which does not have alias. If I recall correctly:
Code: [Select]
resident CLI L:Shell-Seg System pure
should be part of the startup-sequence.
 

Offline blakespot

Re: ALIAS in AmigaDOS 1.3
« Reply #4 on: November 05, 2019, 12:47:56 PM »
Right, but nowhere on any of my WB 1.3 disks do I see ALIAS in c/. So...what am I missing?


bp
:: http://www.bytecellar.com - The Vintage Computing Weblog
:: http://toucharcade.com - iPhone Gaming News and Reviews
:: Amigas: 1000, 2000, 1200 \'060, SAM440ep-Flex 733
 

Offline Matt_H

Re: ALIAS in AmigaDOS 1.3
« Reply #5 on: November 05, 2019, 01:45:31 PM »
It’s an internal command that’s part of L:shell-seg. If you’re in a shell after it’s been made resident as Thomas described, then ALIAS will be available.

I think it’s the same way CD, If, Else, etc. are internal in Kickstart 2+. Those commands aren’t stored directly in the ROM; they’re part of shell-seg, which itself is part of the ROM. The difference in 1.3 is that shell-seg is loaded into memory from disk instead of being automatically/instantly available from ROM.
 

Offline blakespot

Re: ALIAS in AmigaDOS 1.3
« Reply #6 on: November 05, 2019, 04:10:20 PM »
Ok, well I have a s-s that boots off of floppy and then hands things off (assigns SYS: etc.) to the SCSI HD and loads from there (can eject the boot WB disk) on my Amiga 1000. I've noticed nothing else amiss, but I definitely don't have ALIAS working. So what am I missing from s-s to make the shell-seg resident? Thanks.

Odd.


bp
:: http://www.bytecellar.com - The Vintage Computing Weblog
:: http://toucharcade.com - iPhone Gaming News and Reviews
:: Amigas: 1000, 2000, 1200 \'060, SAM440ep-Flex 733
 

Offline Matt_H

Re: ALIAS in AmigaDOS 1.3
« Reply #7 on: November 05, 2019, 06:14:28 PM »
You have the command that Thomas posted in your startup-sequence?
 

Offline Thomas Richter

Re: ALIAS in AmigaDOS 1.3
« Reply #8 on: November 05, 2019, 07:26:03 PM »
You have the command that Thomas posted in your startup-sequence?
I might have missed the "Replace" option of the "resident" command.
 

Offline Matt_H

Re: ALIAS in AmigaDOS 1.3
« Reply #9 on: November 05, 2019, 09:01:56 PM »
Checked my 1.3 disk. It's
Code: [Select]
resident CLI L:Shell-Seg SYSTEM pure add(Thomas's line was missing the "add" argument)

Is the p (pure) bit set on your L:Shell-Seg file? I don't really understand how the pure bit works in relation to the Resident command, but I know there's some sort of relationship between the two. If you lost the pure bit, I wonder if the resident command would quietly fail. Thomas, I'm sure you could answer this ;)
 

Offline Thomas Richter

Re: ALIAS in AmigaDOS 1.3
« Reply #10 on: November 05, 2019, 10:19:29 PM »
Is the p (pure) bit set on your L:Shell-Seg file? I don't really understand how the pure bit works in relation to the Resident command, but I know there's some sort of relationship between the two. If you lost the pure bit, I wonder if the resident command would quietly fail. Thomas, I'm sure you could answer this ;)

The p bit: Well, it is a "sort of" security feature: If the bit is not set, "resident" will complain that the command (and this is what you typically make resident) is not pure. You can override this decision "yes, I really mean it" by the "pure" keyword.
 

Offline Matt_H

Re: ALIAS in AmigaDOS 1.3
« Reply #11 on: November 07, 2019, 02:57:34 AM »
I spent some time looking into this further. Basically, under 1.3, Alias works in a *shell* but not in a *cli*
In other words, launch a command line from the Shell icon in the root of the Workbench disk or from the newshell command and you'll have a functional Alias.
Launch a command line from the CLI icon in the System drawer or the newcli command and you won't.