From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 4574 invoked from network); 5 Mar 2023 17:29:50 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 5 Mar 2023 17:29:50 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 9B9FD41226; Mon, 6 Mar 2023 03:29:44 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuhs.org; s=dkim; t=1678037384; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-owner:list-unsubscribe: list-subscribe:list-post; bh=ly4myYJOLtrjoY69VSYlHAqgqHRFvsG9NqTSfdSJjhA=; b=aUcD2V1MzpjdP3FxO3iu0nS5P8ex34WbR9o+pyJktSfMh3qJP8A0QlnNkfxSktzQqoi0cG ySd4ilj7WD17UB39BZs6xO71rm4GzlvUXmGIGDDG2hkKfOPwRgY9B5h5WK36O3aS33V0QN 7dOJx3lI8pZ8vAOrJ/f8VWmc7Cj5sTw= Received: from tncsrv06.tnetconsulting.net (tncsrv06.tnetconsulting.net [IPv6:2600:3c00:e000:1e9::8849]) by minnie.tuhs.org (Postfix) with ESMTPS id 32B2E41224 for ; Mon, 6 Mar 2023 03:29:36 +1000 (AEST) Received: from Contact-TNet-Consulting-Abuse-for-assistance by tncsrv06.tnetconsulting.net (8.15.2/8.15.2/Debian-3) with ESMTPSA id 325HTYRP014589 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sun, 5 Mar 2023 11:29:35 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tnetconsulting.net; s=2019; t=1678037375; bh=ly4myYJOLtrjoY69VSYlHAqgqHRFvsG9NqTSfdSJjhA=; h=Subject:To:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Cc:Content-Disposition: Content-Language:Content-Transfer-Encoding:Content-Type:Date:From: In-Reply-To:Message-ID:MIME-Version:References:Reply-To: Resent-Date:Resent-From:Resent-To:Resent-Cc:Sender:Subject:To: User-Agent; b=KB15nAN4t9T+KHISI8DLSVxdnwEPJbGolEP79KM2rCg4LwjxMR8t1HQm6UFK3AiZd CChcrITRS25IctoCK0duZMA46LpUa2NDVAPLab+qC37wxXQ7F2Q58YgCbj+bM4t7px N7kGbaLFs2Tw6OAglkCSWXQVjV4Av+iq3Ls3s0p4= To: tuhs@tuhs.org References: Organization: TNet Consulting Message-ID: Date: Sun, 5 Mar 2023 10:29:27 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms050601060107020905060600" Message-ID-Hash: JRZQGZBHC2CJBL445V6SIORRZ2FZQ2UO X-Message-ID-Hash: JRZQGZBHC2CJBL445V6SIORRZ2FZQ2UO X-MailFrom: gtaylor@tnetconsulting.net X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Origins of the frame buffer device List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Grant Taylor via TUHS Reply-To: Grant Taylor This is a cryptographically signed message in MIME format. --------------ms050601060107020905060600 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 3/5/23 8:01 AM, Paul Ruizendaal via TUHS wrote: > However, it would seem at first glance that early SunOS also had a=20 > frame buffer device (/dev/cgoneX. /dev/bwoneX, etc.) which was similar = > in nature (a character device that could be mmap=E2=80=99ed to give acc= ess=20 > to the hardware frame buffer, and ioctl=E2=80=99s to probe and configur= e the=20 > hardware). Is that correct, or were these entirely different in nature?= My limited understanding is that PC compatibles, and thus Linux, with=20 their VGA et al. cards had /text/ character support that other systems=20 did not have. As such PCs ~> Linux /didn't/ /need/ frame buffer support = in the beginning. Conversely all systems that didn't have such cards /did/ /need/ frame=20 buffer from the start. I consider Linux's frame buffer to be a late comer compared to other=20 systems. --=20 Grant. . . . unix || die --------------ms050601060107020905060600 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC CzowggUiMIIECqADAgECAhEAw8IZWQHDVuWWKHZeojBgoDANBgkqhkiG9w0BAQsFADCBljEL MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2Fs Zm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMT4wPAYDVQQDEzVTZWN0aWdvIFJTQSBD bGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQTAeFw0yMjExMTQwMDAw MDBaFw0yMzExMTQyMzU5NTlaMCsxKTAnBgkqhkiG9w0BCQEWGmd0YXlsb3JAdG5ldGNvbnN1 bHRpbmcubmV0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzOnBjTJUlBTzN81c PlYErJc9kEbTI/hXq0NA6ZoG4VM6puYTEXtITANjgX+NRwwHjldESnC8dvh6Mx5ckEk9sWoD 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