In 4e3f747b.2020...@valley.net, on 08/08/2011
at 01:30 AM, Gerhard Postpischil gerh...@valley.net said:
And I seem to recall that A0 was the opcode for loading emulator
instructions on the 360/165.
360/85? 370/165?
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see
In p0624080cca64e1b9dff0@[192.168.1.11], on 08/07/2011
at 08:48 PM, Robert A. Rosenberg hal9...@panix.com said:
Thanks to the Wikipedia S/360 article I was able to download a copy
of the S/360 PoPs manual can confirm my impression that ALL the S/360
opcodes were one byte long
No; as I
In p06240808ca64d6fd5bb4@[192.168.1.11], on 08/07/2011
at 08:00 PM, Robert A. Rosenberg hal9...@panix.com said:
Are any of them S/360 opcodes or were the introduced with S/370+
architecture?
S/360, also S/370. AFAIK the emulator features were not available on
anything later than the 370/168.
In 80dad7d8-9d2c-42c1-aa35-6414e507e...@optonline.net, on 08/07/2011
at 06:54 PM, Micheal Butz michealb...@optonline.net said:
Think the B2 opcodes are all two bytes
The B2 opcodes came later. Some of the emulator features on the S/360
had longer opcodes.
--
Shmuel (Seymour J.) Metz,
shmuel+ibm-m...@patriot.net (Shmuel Metz , Seymour J.) writes:
The B2 opcodes came later. Some of the emulator features on the S/360
had longer opcodes.
diagnose (x'83') is supervisor instruction defined as model
specific. common mechanism was the displacement field was used as
extended
In a8ae1317-abcf-4b22-9f22-ad9ebe38a...@optonline.net, on 08/05/2011
at 06:23 PM, Micheal Butz michealb...@optonline.net said:
A number of the 64 bit instruction Seem to have a constant in
the last Byte e.g. LG. 58 STG 50 would anyone know the
siginifcance of this
It's part of the opcode,
First time that second byte of the opcode was at the end of the inst
Sent from my iPhone
On Aug 7, 2011, at 2:00 AM, Shmuel Metz (Seymour J.) shmuel+ibm-m...@patriot.net
wrote:
In a8ae1317-abcf-4b22-9f22-ad9ebe38a...@optonline.net, on 08/05/2011
at 06:23 PM, Micheal Butz
In c0d47c52-fac4-45e5-9ac8-4be4622cb...@optonline.net, on 08/07/2011
at 07:13 AM, Micheal Butz michealb...@optonline.net said:
First time that second byte of the opcode was at the end of the inst
True AFAIK, but S/360 did have opcodes running into bits 16-23.
--
Shmuel (Seymour J.)
Think the B2 opcodes are all two bytes
Sent from my iPhone
On Aug 7, 2011, at 1:01 PM, Shmuel Metz (Seymour J.) shmuel+ibm-m...@patriot.net
wrote:
In c0d47c52-fac4-45e5-9ac8-4be4622cb...@optonline.net, on 08/07/2011
at 07:13 AM, Micheal Butz michealb...@optonline.net said:
First time
At 18:54 -0400 on 08/07/2011, Micheal Butz wrote about Re: Suffix of
64 bit instructions:
Think the B2 opcodes are all two bytes
Sent from my iPhone
On Aug 7, 2011, at 1:01 PM, Shmuel Metz (Seymour J.)
shmuel+ibm-m...@patriot.net wrote:
In c0d47c52-fac4-45e5-9ac8-4be4622cb
At 20:00 -0400 on 08/07/2011, Robert A. Rosenberg wrote about Re:
Suffix of 64 bit instructions:
x-flowedAt 18:54 -0400 on 08/07/2011, Micheal Butz wrote about Re: Suffix of
64 bit instructions:
Think the B2 opcodes are all two bytes
Sent from my iPhone
On Aug 7, 2011, at 1:01 PM, Shmuel
On 8/7/2011 8:48 PM, Robert A. Rosenberg wrote:
Thanks to the Wikipedia S/360 article I was able to download a
copy of the S/360 PoPs manual can confirm my impression that ALL
the S/360 opcodes were one byte long (and that B2 opcodes were
not part of the architecture). In Fact - No opcode from
Tom Marchant wrote:
On Fri, 5 Aug 2011 18:52:41 -0400, Farley, Peter wrote:
LY instruction format from the Principles of Operations looks like:
'E3' R1 X2 B2 DL2 DH2 '58'
You misread the chart. the above is LG, not LY
STY instruction format from the Principles of Operations looks like:
[mailto:IBM-MAIN@bama.ua.edu] On Behalf Of
Tom Marchant
Sent: Friday, August 05, 2011 11:10 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Suffix of 64 bit instructions
On Fri, 5 Aug 2011 18:52:41 -0400, Farley, Peter wrote:
LY instruction format from the Principles of Operations looks like:
'E3' R1
-MAIN@bama.ua.edu
Subject: Re: Suffix of 64 bit instructions
Tom Marchant wrote:
On Fri, 5 Aug 2011 18:52:41 -0400, Farley, Peter wrote:
LY instruction format from the Principles of Operations looks like:
'E3' R1 X2 B2 DL2 DH2 '58'
You misread the chart. the above is LG, not LY
STY
On Sat, 6 Aug 2011 08:42:19 -0400, Bob Rutledge deerh...@ix.netcom.com wrote:
Tom Marchant wrote:
You misread the chart.
I really thought Peter had it right, but you made me look:
E358 LOAD (32) LY
E304 LOAD (64) LG
E350 STORE (32) STY
E324 STORE (64) STG
Apologies to all. Peter indeed had
Hi
A number of the 64 bit instruction
Seem to have a constant in the last
Byte e.g. LG. 58
STG 50 would anyone know the siginifcance of this
Thankx
Sent from my iPhone
--
For IBM-MAIN subscribe / signoff / archive
(a half-byte).
HTH
Peter
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On
Behalf Of Micheal Butz
Sent: Friday, August 05, 2011 6:23 PM
To: IBM-MAIN@bama.ua.edu
Subject: Suffix of 64 bit instructions
Hi
A number of the 64 bit instruction
Seem
(res)
j...@thethomasresidence.us (Email)
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf
Of Micheal Butz
Sent: Friday, August 05, 2011 5:23 PM
To: IBM-MAIN@bama.ua.edu
Subject: Suffix of 64 bit instructions
Hi
A number of the 64 bit
is a good one to study.
--
Tom Marchant
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On
Behalf Of Micheal Butz
Sent: Friday, August 05, 2011 6:23 PM
To: IBM-MAIN@bama.ua.edu
Subject: Suffix of 64 bit instructions
Hi
A number of the 64 bit
20 matches
Mail list logo
