From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 92a83150 for ; Sun, 15 Dec 2019 20:59:14 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 356B39BBFF; Mon, 16 Dec 2019 06:59:13 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 0D07593D5F; Mon, 16 Dec 2019 06:58:39 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=planet.nl header.i=@planet.nl header.b="lm1qdkFX"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id A6EC493D5F; Mon, 16 Dec 2019 06:58:36 +1000 (AEST) X-Greylist: delayed 782 seconds by postgrey-1.36 at minnie.tuhs.org; Mon, 16 Dec 2019 06:58:34 AEST Received: from cpsmtpb-ews04.kpnxchange.com (cpsmtpb-ews04.kpnxchange.com [213.75.39.7]) by minnie.tuhs.org (Postfix) with ESMTP id B6E4293D39 for ; Mon, 16 Dec 2019 06:58:34 +1000 (AEST) Received: from cpsps-ews25.kpnxchange.com ([10.94.84.191]) by cpsmtpb-ews04.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Sun, 15 Dec 2019 21:45:31 +0100 X-Brand: 7abm2Q== X-KPN-SpamVerdict: e1=0;e2=0;e3=0;e4=(e1=10;e3=10;e2=11;e4=10);EVW:Whi te;BM:NotScanned;FinalVerdict:Clean X-CMAE-Analysis: v=2.3 cv=F4kpiZpN c=1 sm=1 tr=0 cx=a_idp_e a=YnLMpE5S06+Zisl5ga1zfg==:117 a=soxbC+bCkqwFbqeW/W/r+Q==:17 a=x1i13A_MHe4A:10 a=pxVhFHJ0LMsA:10 a=8zvtdvGnAAAA:8 a=a9IoyCHcAAAA:8 a=Gz7s5_CCAAAA:8 a=m2ghwhEdAAAA:20 a=n2cLZSqG2wrRFTR-yCcA:9 a=QEXdDO2ut3YA:10 a=o-gpPhDuV9-R76di-o4A:9 a=pPgWVk-9mZ7tt8QO:21 a=_W_S_7VecoQA:10 a=Q-xCa1abX5qBlSYUmlcr:22 a=dm8vAbxTiYvi2vo9z9eV:22 X-CM-AcctID: kpn@feedback.cloudmark.com Received: from smtp.kpnmail.nl ([195.121.84.46]) by cpsps-ews25.kpnxchange.com over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Sun, 15 Dec 2019 21:45:31 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=planet.nl; s=planet01; h=to:date:message-id:subject:mime-version:content-type:from; bh=4LZXh2JOkudS4Oyly5QHcMA9roBi8nKDqeCC6b2dPOs=; b=lm1qdkFX25OZzFX0+Nc2ks/eZBKwm+hkMiJ6G3A7ti3tZzgA40yy7L02GTD7Rfy38Hx14Delk5t1x 7W+pt78eJmGeQpCPdcbDc4sVE8dLWX+AEREnc1yRRFkTrBHAS3kelz7wQqj5R5t5nOfFhz+0ToNSTU XhOTInmt15ulppdA= X-KPN-VerifiedSender: Yes X-CMASSUN: 33|Jh1/kEn3a1qbS7cOp+7w3gYboi38I+e61uRkhQs4Xt2igzLvxw57zm/oe0LwEuK FRjfGYM8K9/mhW/paoaZqjA== X-Originating-IP: 80.101.112.122 Received: from mba1.fritz.box (unknown [80.101.112.122]) by smtp.kpnmail.nl (Halon) with ESMTPSA id d502b000-1f7b-11ea-885b-005056ab7584; Sun, 15 Dec 2019 21:45:31 +0100 (CET) From: Paul Ruizendaal Content-Type: multipart/alternative; boundary="Apple-Mail=_B5BFC689-A6BE-4DE8-8134-A1107C41B52F" Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Message-Id: Date: Sun, 15 Dec 2019 21:45:30 +0100 To: TUHS main list X-Mailer: Apple Mail (2.3445.9.1) X-OriginalArrivalTime: 15 Dec 2019 20:45:31.0152 (UTC) FILETIME=[973C1900:01D5B388] X-RcptDomain: minnie.tuhs.org Subject: [TUHS] Blit source X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --Apple-Mail=_B5BFC689-A6BE-4DE8-8134-A1107C41B52F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I=E2=80=99m looking for source code of the original Blit as described = here: http://doc.cat-v.org/bell_labs/blit/blit.pdf = It does not seem to be on the v8 tape. I found the following on the web: http://www.brouhaha.com/~eric/retrocomputing/att/5620/software/ = but that seems to be from much later and for the 5620. Then there is this, which seems to be the Blit's graphics routines or a = derivtive thereof: https://stuff.mit.edu/afs/athena/astaff/project/Sdev/S/src/fun/blit/ = (although it seems larger than the 8KB mentioned in the paper). I=E2=80=99m aware of this emulator: https://github.com/aap/blit which uses a rom dump; it appears a good base for h/w documentation. Did the sources of these rom contents survive? --Apple-Mail=_B5BFC689-A6BE-4DE8-8134-A1107C41B52F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I=E2=80= =99m looking for source code of the original Blit as described here:

It does not seem to be = on the v8 tape. I found the following on the web:
but that seems to be from much later and for = the 5620.

Then = there is this, which seems to be the Blit's graphics routines or a = derivtive thereof:
(although it seems larger than the 8KB = mentioned in the paper).

I=E2=80=99m aware of this emulator:
which = uses a rom dump; it appears a good base for h/w documentation.

Did the sources of these = rom contents survive?











= --Apple-Mail=_B5BFC689-A6BE-4DE8-8134-A1107C41B52F--