mirror of
https://github.com/pkimpel/retro-b5500.git
synced 2026-02-11 19:05:01 +00:00
Commit DCMCP transcription as of 2012-11-09; commit B5500LibMaintMapper.html and directory listings of Sid's Mark VIII tape images.
This commit is contained in:
paul
@@ -15603,3 +15603,109 @@ IF TYPE=PASSING THEN % PASS THIS ENTRY WITHOUT DELINKING 20029300
|
||||
% ***** * * * * * ***** **** ***** 20038700
|
||||
% * * * * ** * * * * * * * 20038800
|
||||
% ***** * * * * * * * * * **** ***** 20038900
|
||||
% * * * * * * * * * * * * * * 20039000
|
||||
% * * ***** * ** **** ***** **** ***** 20039100
|
||||
20039200
|
||||
BEGIN 20039300
|
||||
IF S[2].[2:1] NEQ 1 THEN % S[2].[2:1]=1 WHEN ES-ED 20039400
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FOR I:=1 STEP 1 UNTIL MIXMAX DO 20039500
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IF JAR[I,*] NEQ 0 THEN % JOB RUNNING AT THIS MIX INDEX 20039600
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IF (S[0] EQV JAR[I,0])=(NOT 0) AND 20039700
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(S[1] EQV JAR[I,1])=(NOT 0) AND 20039800
|
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PRYOR[I] GEQ 0 THEN 20039900
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BEGIN % JOB IS ALREADY RUNNING 20040000
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||||
$ SET OMIT = NOT(DCSPO AND DATACOM ) 20040100
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IF BOJMESS THEN 20043000
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BEGIN 20043100
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$ SET OMIT = NOT (DCSPO AND DATACOM) 20043200
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RMSG: BEGIN 20043600
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STREAM(C:=S[18], A:=JARROW[1], I, % S[18]=PRIORITY 20043700
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Q := XCLOCKTIME, B := HDR); 20043800
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BEGIN 20043900
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SI:=LOC C; DS:=6DEC; DI:=DI-6; DS:=5FILL; %PRIOR20044000
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DI:=B; DI:=DI+6; DS:=LIT":"; 20044100
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SI:=A; SI:=SI+1; DS:=7CHR; DS:=LIT"/"; % MFID20044200
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SI:=SI+1; DS:=7CHR; % FID 20044300
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SI:=LOC I; DS:=LIT"="; DS:=2DEC; % MIX 20044400
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DS:=9LIT" RUNNING "; %161-20044500
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DS:=4DEC; DS:=LIT"~"; DI:=DI-16; DS:=FILL;% TIME20044600
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END STREAM; 20044700
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SPOUT(HDR&S[23][9:9:9]); 20044800
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END % IF BOJ MESSAGE SHOULD BE SENT 20044900
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$ SET OMIT = NOT (DCSPO AND DATACOM) 20045000
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END % IF BOJMESS 20045300
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ELSE FORGETSPACE(HDR); 20045400
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% BUMP OPEN COUNT BACK DOWN 20045500
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FORGETSPACE(DIRECTORYSEARCH( ABS(S[0]), 20045600
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IF S[0] LSS 0 THEN "DISK " ELSE S[1], 13)); 20045700
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FORGETESPDISK(S[6] INX 0); % CARD IMAGE FOR LOG 20045800
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T:=S[13]; % SAVE LINK TO LABEL EQUATION CARDS 20045900
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WHILE T NEQ 0 DO % FORGET LABEL EQUATION SEGMENTS 20046000
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BEGIN 20046100
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DISKWAIT(-(S INX 0), 30, T); 20046200
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FORGETESPDISK(T); 20046300
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T:=S[29]; 20046400
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END; 20046500
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DELINK; % DELINK THE ENTRY FROM THE SHEET QUEUE 20046600
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IF F=0 THEN % SHEET ENTRY NOT PASSED AS A PARAMETER 20046700
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BEGIN 20046800
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TYPE := -CONTINUEING; 20046900
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GO TO CONTINUE; 20047000
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END 20047100
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ELSE 20047200
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||||
BEGIN % SHEET ENTRY PASSED AS A PARAMETER, DONT CONTINUE20047300
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TYPE := -QUITTING; 20047400
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GO TO EXIT; 20047500
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END; 20047600
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END; 20047700
|
||||
END OF SPECIAL HANDLING OF RUN CARDS; 20047800
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20048000
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IF TYPE = EQUATING THEN 20048100
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BEGIN 20048200
|
||||
20048300
|
||||
% ****** ***** ***** 20048400
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% * * * * * 20048500
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% **** ***** ***** 20048600
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||||
% * * * * 20048700
|
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% * 0 * 0 ***** 0 20048800
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20048900
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FPB:=TYPEDSPACE(SEG0[5] INX 1,FPBAREAV); %167-20049000
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||||
% SEG0[5] = SIZE OF THE FILE PARAMETER BLOCK ON DISK 20049100
|
||||
% SEG0[4] = RELATIVE DISK ADDRESS OF THE FILE PARAMETER BLOCK 20049200
|
||||
% SEG0[7] = NUMBER OF FILES IN THE F.P.B. 20049300
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% ETRLNG = NUMBER OF WORDS PER FILE USED IN THE F.P.B. 20049400
|
||||
M[SEG0[5] INX FPB]:=0; % SET TO ZERO TO INSURE THAT STREAM STATEMENT20049500
|
||||
% USED TO BUILD "IN-CORE" FPB WILL NOT SKAN 20049600
|
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% PAST THE END OF THE COMPILER GENERATED FPB.20049700
|
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FB:=GETSPACE(SEG0[7].[CF]|ETRLNG,FPBAREAV,1)+2; %167-20049800
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% "FB" WILL BE "IN-CORE" FILE PARAMETER BLOCK LOCATION 20049900
|
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DISKWAIT(-FPB, SEG0[5] INX 0, ACTUALDISKADDRESS(SEG0[4].[CF])); 20050000
|
||||
20050100
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||||
COMMENT FORMAT OF COMPILER GENERATED FPB: 20050200
|
||||
CHRS 1 AND 2 = FILE NUMBER (12 BIT BINARY) STARTING WITH 1 20050300
|
||||
CHR. 3 = FILE TYPE 20050400
|
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CHRS 4 THRU 10 = MFID 20050500
|
||||
CHRS 11 THRU 17 = FID 20050600
|
||||
CHR 18 = LENGTH OF INTERNAL FILE NAME (6 BIT BINARY) 20050700
|
||||
CHRS 19 THRU N = INTERNAL NAME 20050800
|
||||
FOR VERSION 1 ( VERSION NUMBER IN SEG0[5].[1:8] ) 20050900
|
||||
NEXT TWO CHARACTERS FOLLOWING INTERNAL NAME CONTAIN: 20051000
|
||||
[40:1] = SENSITIVE BIT 20051100
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||||
[41:2] = DISK SPEED (1=FAST, 2=SLOW, 0=UNSPECIFIED) 20051200
|
||||
[43:5] = EU NUMBER + 1 20051300
|
||||
20051400
|
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COMMENT FORMAT OF "IN-CORE" FPB ( 5 WORDS FOR EACH FILE ENTRY ) 20051500
|
||||
WORD[0].[ 6:42] = MFID 20051600
|
||||
WORD[1].[ 6:42] = FID 20051700
|
||||
WORD[2].[ 1:17] = REEL NUMBER (3 BCL DIGITS) 20051800
|
||||
WORD[2].[18:30] = CREATION DATE (5 BCL DIGITS) 20051900
|
||||
WORD[3].[ 1:5 ] = CYCLE NUMBER (BINARY) 20052000
|
||||
WORD[3].[ 6:17] = PRN (PHYSICAL REEL NUMBER) FOR NON-DISK FILES 20052100
|
||||
WORD[3].[15:1 ] = SENSITIVE BIT (DISK FILES ONLY) 20052200
|
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WORD[3].[16:2 ] = DISK SPEED (DISK FILES ONLY) 20052300
|
||||
WORD[3].[18:5 ] = EU. NUMBER+1 (DISK FILES ONLY) 20052400
|
||||
WORD[3].[23:1 ] = IO CODE (INPUT=0,OUTPUT=1) 20052500
|
||||
WORD[3].[24:12] = NUMBER OF ERRORS 20052600
|
||||
WORD[3].[36:6 ] = LOGICAL UNIT NUMBER + 1 20052700
|
||||
WORD[3].[43:5 ] = UNIT TYPE 20052800
|
||||
END OF COMMENT; 20052900
|
||||
|
||||
531
tools/B5500LibMaintMapper.html
Normal file
531
tools/B5500LibMaintMapper.html
Normal file
@@ -0,0 +1,531 @@
|
||||
<!DOCTYPE html>
|
||||
<head>
|
||||
<title>B5500 LibMaint Extract</title>
|
||||
<meta name="Author" content="Paul Kimpel">
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||||
<meta http-equiv="Content-Script-Type" content="text/javascript">
|
||||
<meta http-equiv="Content-Style-Type" content="text/css">
|
||||
|
||||
<script>
|
||||
/***********************************************************************
|
||||
* retro-b5500/tools B5500LibMaintMapper.html
|
||||
************************************************************************
|
||||
* Copyright (c) 2012, Paul Kimpel.
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||||
* Licensed under the MIT License,
|
||||
* see http://www.opensource.org/licenses/mit-license.php
|
||||
************************************************************************
|
||||
* B5500 Library Maintenance tape file mapper.
|
||||
*
|
||||
* This script reads a Burroughs B5500 Library/Maintenance tape as one
|
||||
* large blob and outputs directory information for all files.
|
||||
*
|
||||
* The blob is assumed to be in the so-called ".bcd" format. Each 7-bit frame
|
||||
* from the tape is represented as one 8-bit unsigned byte. The low-order six
|
||||
* bits (mask 0x3F) contain the character value. The next bit (mask 0x40) is
|
||||
* the parity bit, and the high-order bit (mask 0x80) indicates the byte is
|
||||
* at the start of a physical tape block. Tape marks (EOF) are indicated by a
|
||||
* block containing a single 0x8F byte.
|
||||
*
|
||||
* The mapping process is driven by the tape directory at the beginning of
|
||||
* the tape volume. Continuation "reels" are not currently supported.
|
||||
*
|
||||
* To use, select the .bcd file using the file selection control on the page.
|
||||
* The script writes a log of activity to the web page.
|
||||
************************************************************************
|
||||
* 2012-11-08 P.Kimpel
|
||||
* Original version, from B5500LibMaintExtract.html.
|
||||
***********************************************************************/
|
||||
"use strict";
|
||||
|
||||
window.onload = function() {
|
||||
var panel = document.getElementById("TextPanel");
|
||||
var tapeMark = 0x8F;
|
||||
var tapeDir = [];
|
||||
|
||||
var tapeCtl = {
|
||||
data: null,
|
||||
offset: 0,
|
||||
dataLength: -1,
|
||||
eof: false,
|
||||
eot: false,
|
||||
blockCount: 0,
|
||||
blockLength: 0};
|
||||
|
||||
var BICtoANSI = [
|
||||
"0", "1", "2", "3", "4", "5", "6", "7",
|
||||
"8", "9", "#", "@", "?", ":", ">", "}",
|
||||
"+", "A", "B", "C", "D", "E", "F", "G",
|
||||
"H", "I", ".", "[", "&", "(", "<", "~",
|
||||
"|", "J", "K", "L", "M", "N", "O", "P",
|
||||
"Q", "R", "$", "*", "-", ")", ";", "{",
|
||||
" ", "/", "S", "T", "U", "V", "W", "X",
|
||||
"Y", "Z", ",", "%", "!", "=", "]", "\""];
|
||||
|
||||
var pow2 = [ // powers of 2 from 0 to 52
|
||||
0x1, 0x2, 0x4, 0x8,
|
||||
0x10, 0x20, 0x40, 0x80,
|
||||
0x100, 0x200, 0x400, 0x800,
|
||||
0x1000, 0x2000, 0x4000, 0x8000,
|
||||
0x10000, 0x20000, 0x40000, 0x80000,
|
||||
0x100000, 0x200000, 0x400000, 0x800000,
|
||||
0x1000000, 0x2000000, 0x4000000, 0x8000000,
|
||||
0x10000000, 0x20000000, 0x40000000, 0x80000000,
|
||||
0x100000000, 0x200000000, 0x400000000, 0x800000000,
|
||||
0x1000000000, 0x2000000000, 0x4000000000, 0x8000000000,
|
||||
0x10000000000, 0x20000000000, 0x40000000000, 0x80000000000,
|
||||
0x100000000000, 0x200000000000, 0x400000000000, 0x800000000000,
|
||||
0x1000000000000, 0x2000000000000, 0x4000000000000, 0x8000000000000,
|
||||
0x10000000000000];
|
||||
|
||||
function bit(word, bit) {
|
||||
/* Extracts and returns the specified bit from the word */
|
||||
var e = 47-bit; // word lower power exponent
|
||||
var p; // bottom portion of word power of 2
|
||||
|
||||
if (e > 0) {
|
||||
return ((word - word % (p = pow2[e]))/p) % 2;
|
||||
} else {
|
||||
return word % 2;
|
||||
}
|
||||
};
|
||||
|
||||
function fieldIsolate(word, start, width) {
|
||||
/* Extracts a bit field [start:width] from word and returns the field */
|
||||
var le = 48-start-width; // lower power exponent
|
||||
var p; // bottom portion of word power of 2
|
||||
|
||||
return (le == 0 ? word : (word - word % (p = pow2[le]))/p) % pow2[width];
|
||||
};
|
||||
|
||||
function spout(text) {
|
||||
/* Appends "text"+NL as a new text node to the panel DOM element */
|
||||
var e = document.createTextNode(text + "\n");
|
||||
|
||||
panel.appendChild(e);
|
||||
}
|
||||
|
||||
function clearPanel() {
|
||||
/* Clears the text panel */
|
||||
var kid;
|
||||
|
||||
while (kid = panel.firstChild) {
|
||||
panel.removeChild(kid);
|
||||
}
|
||||
}
|
||||
|
||||
function parseNumber(s) {
|
||||
/* Parses the string "s" as a base-10 number. Returns 0 if it is not a number */
|
||||
var n = parseInt(s, 10);
|
||||
|
||||
return (isNaN(n) ? 0 : n);
|
||||
}
|
||||
|
||||
function rtrim(s) {
|
||||
/* Trims trailing spaces from "s" and returns the resulting string */
|
||||
var m = s.match(/^(.*?) *$/);
|
||||
|
||||
return m[1];
|
||||
}
|
||||
|
||||
function readTextBlock(ctl) {
|
||||
/* Reads the next block from the tape, translating the character frames to ANSI
|
||||
character codes and returning the data as a string. A block is terminated when
|
||||
the next frame has its high-order bit set, or the end of the data is reached.
|
||||
The string returned is always at least one character in length, unless the block
|
||||
is a tapeMark (in which case the "eof" property is set) or the end of the data
|
||||
has been reached (in which case the "eof" and "eot" properties are set) */
|
||||
var c;
|
||||
var data = ctl.data;
|
||||
var limit = ctl.dataLength;
|
||||
var text = "";
|
||||
var x = ctl.offset;
|
||||
|
||||
if (x >= limit) {
|
||||
ctl.eof = true;
|
||||
ctl.eot = true;
|
||||
ctl.blockLength = 0;
|
||||
} else {
|
||||
c = data.getUint8(x);
|
||||
if (c == tapeMark) {
|
||||
ctl.eof = true;
|
||||
ctl.offset = x+1;
|
||||
ctl.blockLength = 0;
|
||||
} else {
|
||||
do {
|
||||
text += BICtoANSI[c & 0x3F];
|
||||
if (++x < limit) {
|
||||
c = data.getUint8(x);
|
||||
} else {
|
||||
c = tapeMark; // to kill the loop
|
||||
}
|
||||
} while (c < 128);
|
||||
ctl.eof = false;
|
||||
ctl.blockLength = x - ctl.offset;
|
||||
ctl.offset = x;
|
||||
ctl.blockCount++;
|
||||
}
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function readWordBlock(ctl) {
|
||||
/* Reads the next block from the tape, translating the character frames to an array
|
||||
of B5500 binary words and returning the array. A block is terminated when
|
||||
the next frame has its high-order bit set, or the end of the data is reached.
|
||||
The array returned is always at least one element in length, unless the block
|
||||
is a tapeMark (in which case the "eof" property is set) or the end of the data
|
||||
has been reached (in which case the "eof" and "eot" properties are set) */
|
||||
var c;
|
||||
var data = ctl.data;
|
||||
var limit = ctl.dataLength;
|
||||
var w = 0;
|
||||
var words = [];
|
||||
var wx = 0;
|
||||
var x = ctl.offset;
|
||||
|
||||
if (x >= limit) {
|
||||
ctl.eof = true;
|
||||
ctl.eot = true;
|
||||
ctl.blockLength = 0;
|
||||
} else {
|
||||
c = data.getUint8(x);
|
||||
if (c == tapeMark) {
|
||||
ctl.eof = true;
|
||||
ctl.offset = x+1;
|
||||
ctl.blockLength = 0;
|
||||
} else {
|
||||
do {
|
||||
if (wx < 8) {
|
||||
w = w*64 + (c & 0x3F);
|
||||
wx++;
|
||||
} else {
|
||||
words.push(w);
|
||||
w = c & 0x3F;
|
||||
wx = 1;
|
||||
}
|
||||
if (++x < limit) {
|
||||
c = data.getUint8(x);
|
||||
} else {
|
||||
c = tapeMark; // to kill the loop
|
||||
}
|
||||
} while (c < 128);
|
||||
|
||||
// Right-justify the last word as necessary
|
||||
while (wx++ < 8) {
|
||||
w *= 64;
|
||||
}
|
||||
words.push(w);
|
||||
ctl.eof = false;
|
||||
ctl.blockLength = x - ctl.offset;
|
||||
ctl.offset = x;
|
||||
ctl.blockCount++;
|
||||
}
|
||||
}
|
||||
return words;
|
||||
}
|
||||
|
||||
function readTapeLabel(ctl) {
|
||||
/* Reads the next block from the tape and determines if it is a B5500 tape label.
|
||||
If so, decodes the label into a label object and returns the object */
|
||||
var rec;
|
||||
var s;
|
||||
|
||||
var lab = {
|
||||
isLabel: false,
|
||||
text: "",
|
||||
heading: "",
|
||||
mfid: "",
|
||||
fid: "",
|
||||
reel: 0,
|
||||
dateWritten:0,
|
||||
cycle: 0,
|
||||
datePurge: 0,
|
||||
sentinel: 0,
|
||||
blockCount: 0,
|
||||
recordCount:0,
|
||||
memdumpKey: 0,
|
||||
tapeNumber: ""};
|
||||
|
||||
rec = readTextBlock(ctl);
|
||||
if (!ctl.eof) {
|
||||
lab.text = rec;
|
||||
if (ctl.blockLength == 80 && (s = rec.substring(0, 8)) == " LABEL ") {
|
||||
lab.isLabel = true;
|
||||
lab.heading = s;
|
||||
lab.mfid = rec.substring(9, 16);
|
||||
lab.fid = rec.substring(17, 24);
|
||||
lab.reel = parseNumber(rec.substring(24, 27));
|
||||
lab.dateWritten = parseNumber(rec.substring(27, 32));
|
||||
lab.cycle = parseNumber(rec.substring(32, 34));
|
||||
lab.datePurge = parseNumber(rec.substring(34, 39));
|
||||
lab.sentinel = parseNumber(rec.substring(39, 40));
|
||||
lab.blockCount = parseNumber(rec.substring(40, 45));
|
||||
lab.recordCount = parseNumber(rec.substring(45, 52));
|
||||
lab.memdumpKey = parseNumber(rec.substring(52, 53));
|
||||
lab.tapeNumber = rec.substring(53, 58);
|
||||
}
|
||||
}
|
||||
return lab;
|
||||
}
|
||||
|
||||
function readTapeDirectory(ctl) {
|
||||
/* Reads the Lib/Maint tape directory and returns and array of file names, indexed
|
||||
starting at 1. If the directory is invalid, returns an empty array */
|
||||
var dir = [];
|
||||
var done;
|
||||
var fid;
|
||||
var lab;
|
||||
var lab2;
|
||||
var mfid;
|
||||
var rec;
|
||||
var w;
|
||||
var x;
|
||||
|
||||
lab = readTapeLabel(ctl);
|
||||
if (ctl.eof) {
|
||||
spout("TapeDir: EOF encountered when tape label expected, block=" + ctl.blockCount);
|
||||
} else if (!lab.isLabel) {
|
||||
spout(lab.text);
|
||||
spout("TapeDir: Above block encountered when a tape label was expected, block=" + ctl.blockCount);
|
||||
} else {
|
||||
dir.push(rtrim(lab.mfid) + "/" + rtrim(lab.fid)); // store the tape name in dir[0]
|
||||
rec = readTextBlock(ctl);
|
||||
if (!ctl.eof) {
|
||||
spout("TapeDir: EOF expected after starting label, block=" + ctl.blockCount);
|
||||
}
|
||||
|
||||
do {
|
||||
rec = readTextBlock(ctl);
|
||||
if (!ctl.eof) {
|
||||
x = 0;
|
||||
done = false;
|
||||
do {
|
||||
if (x+8 > rec.length) {
|
||||
spout("TapeDir: No terminating entry, block=" + ctl.blockCount + ", x=" + x);
|
||||
done = true;
|
||||
} else if (rec.substring(x, x+8) == "0000000?") {
|
||||
done = true;
|
||||
} else if (x+16 > rec.length) {
|
||||
spout("TapeDir: Truncated directory entry, block=" + ctl.blockCount + ", x=" + x);
|
||||
done = true;
|
||||
} else {
|
||||
mfid = rec.substring(x+1, x+8);
|
||||
fid = rec.substring(x+9, x+16);
|
||||
dir.push(rtrim(mfid) + "/" + rtrim(fid));
|
||||
x += 16;
|
||||
}
|
||||
} while (!done);
|
||||
}
|
||||
} while (!ctl.eof);
|
||||
|
||||
lab2 = readTapeLabel(ctl);
|
||||
if (!lab2.isLabel) {
|
||||
spout("TapeDir: Tape label expected after directory, block=" + ctl.blockCount);
|
||||
} else if (lab2.mfid != lab.mfid || lab2.fid != lab.fid) {
|
||||
spout("TapeDir: Directory ending label mismatch, block=" + ctl.blockCount);
|
||||
}
|
||||
}
|
||||
return dir;
|
||||
}
|
||||
|
||||
function readDiskHeader(ctl) {
|
||||
/* Reads the next block from the tape blob and (partially) decodes it as a B5500
|
||||
disk header, returning the header object */
|
||||
var block;
|
||||
|
||||
var header = {
|
||||
recordLength: 0,
|
||||
blockLength: 0,
|
||||
recordsPerBlock: 0,
|
||||
segmentsPerBlock: 0,
|
||||
logCreationDate: 0,
|
||||
logCreationTime: 0,
|
||||
lastAccessDate: 0,
|
||||
creationDate: 0,
|
||||
fileClass: 0,
|
||||
fileType: 0,
|
||||
recordCount: 0,
|
||||
segmentsPerRow: 0,
|
||||
maxRows: 0,
|
||||
rowAddress: []};
|
||||
|
||||
block = readWordBlock(ctl);
|
||||
if (ctl.eof) {
|
||||
spout("DiskHeader: EOF encountered reading header, block=" + ctl.blockCount);
|
||||
} else if (block.length < 11) {
|
||||
spout("DiskHeader: header too short, got " + block.length + ", block=" + ctl.blockCount);
|
||||
} else {
|
||||
header.recordLength = fieldIsolate(block[0], 0, 15);
|
||||
header.blockLength = fieldIsolate(block[0], 15, 15);
|
||||
header.recordsPerBlock = fieldIsolate(block[0], 30, 12);
|
||||
header.segmentsPerBlock = fieldIsolate(block[0], 42, 6);
|
||||
header.logCreationDate = fieldIsolate(block[1], 6, 18);
|
||||
header.logCreationTime = fieldIsolate(block[1], 25, 23);
|
||||
header.lastAccessDate = fieldIsolate(block[3], 12, 18);
|
||||
header.creationDate = fieldIsolate(block[3], 30, 18);
|
||||
header.fileClass = fieldIsolate(block[4], 9, 2);
|
||||
header.fileType = fieldIsolate(block[4], 36, 6);
|
||||
header.recordCount = block[7];
|
||||
header.segmentsPerRow = block[8];
|
||||
header.maxRows = fieldIsolate(block[9], 43, 5);
|
||||
header.rowAddress = block.slice(10);
|
||||
}
|
||||
return header;
|
||||
}
|
||||
|
||||
function extractFile(ctl, fileNr, fileName) {
|
||||
/* Extracts the next file in sequence from the tape blob, converts the data
|
||||
from BIC to ASCII, and writes it to a new window object within the browser.
|
||||
Returns true if no more files should be converted */
|
||||
var block;
|
||||
var box;
|
||||
var header;
|
||||
var lab;
|
||||
var lab2;
|
||||
var recs = 0;
|
||||
var result = false;
|
||||
var rowCount = 0;
|
||||
var text;
|
||||
var win;
|
||||
var x;
|
||||
|
||||
spout(" ");
|
||||
spout("File #" + fileNr + ": " + fileName);
|
||||
lab = readTapeLabel(ctl);
|
||||
if (ctl.eof) {
|
||||
spout("Extract: EOF encountered when tape label expected, block=" + ctl.blockCount);
|
||||
} else if (!lab.isLabel) {
|
||||
spout(lab.text);
|
||||
spout("Extract: Above block encountered when a tape label was expected, block=" + ctl.blockCount);
|
||||
} else {
|
||||
block = readWordBlock(ctl);
|
||||
if (!ctl.eof) {
|
||||
spout("TapeDir: EOF expected after starting label, block=" + ctl.blockCount);
|
||||
}
|
||||
header = readDiskHeader(ctl);
|
||||
spout(" " + lab.mfid + "/" + lab.fid +
|
||||
": REC=" + header.recordLength +
|
||||
", BLK=" + header.blockLength +
|
||||
", RPB=" + header.recordsPerBlock +
|
||||
", SPB=" + header.segmentsPerBlock +
|
||||
", LCD=" + header.logCreationDate +
|
||||
", LCT=" + header.logCreationTime +
|
||||
", LAD=" + header.lastAccessDate +
|
||||
", CRD=" + header.creationDate +
|
||||
", FCL=" + header.fileClass +
|
||||
", FTY=" + header.fileType +
|
||||
", CNT=" + header.recordCount +
|
||||
", SPR=" + header.segmentsPerRow +
|
||||
", MXR=" + header.maxRows);
|
||||
|
||||
text = " Rows @ [";
|
||||
for (x=0; x<header.rowAddress.length; x++) {
|
||||
if (x>0) {
|
||||
text += ", ";
|
||||
}
|
||||
text += header.rowAddress[x].toString(10);
|
||||
if (header.rowAddress[x] != 0) {
|
||||
rowCount++;
|
||||
}
|
||||
}
|
||||
spout(text + "], allocated=" + rowCount);
|
||||
|
||||
while (!ctl.eof) {
|
||||
text = readTextBlock(ctl);
|
||||
}
|
||||
|
||||
lab2 = readTapeLabel(ctl);
|
||||
if (!lab2.isLabel) {
|
||||
spout("Extract: Tape label expected after file data, block=" + ctl.blockCount);
|
||||
} else if (lab2.mfid != lab.mfid || lab2.fid != lab.fid) {
|
||||
spout("Extract: File ending label mismatch, block=" + ctl.blockCount);
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function fileLoader_onLoad(ev) {
|
||||
/* Handle the onload event for an ArrayBuffer FileReader */
|
||||
var buf = ev.target.result;
|
||||
var data = new DataView(buf); // use DataView() to avoid problems with littleendians.
|
||||
var tapeDir;
|
||||
var text = "";
|
||||
var x = 0;
|
||||
|
||||
clearPanel();
|
||||
tapeCtl.data = data;
|
||||
tapeCtl.offset = 0;
|
||||
tapeCtl.dataLength = buf.byteLength;
|
||||
tapeCtl.eof = false;
|
||||
tapeCtl.eot = false;
|
||||
tapeCtl.blockCount = 0;
|
||||
|
||||
tapeDir = readTapeDirectory(tapeCtl);
|
||||
spout("Files on tape: " + tapeDir[0]);
|
||||
spout("");
|
||||
|
||||
for (x=1; x<tapeDir.length; x++) {
|
||||
if (extractFile(tapeCtl, x, tapeDir[x])) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function fileSelector_onChange(ev) {
|
||||
/* Handle the <input type=file> onchange event when a file is selected */
|
||||
var f = ev.target.files[0];
|
||||
var reader = new FileReader();
|
||||
|
||||
//alert("File selected: " + f.name +
|
||||
// "\nModified " + f.lastModifiedDate +
|
||||
// "\nType=" + f.type + ", Size=" + f.size + " octets");
|
||||
|
||||
reader.onload = fileLoader_onLoad;
|
||||
reader.readAsArrayBuffer(f);
|
||||
}
|
||||
|
||||
function checkBrowser() {
|
||||
/* Checks whether this browser can support the necessary stuff */
|
||||
var missing = "";
|
||||
|
||||
if (!window.File) {missing += ", File"}
|
||||
if (!window.FileReader) {missing += ", FileReader"}
|
||||
if (!window.FileList) {missing += ", FileList"}
|
||||
if (!window.Blob) {missing += ", Blob"}
|
||||
if (!window.ArrayBuffer) {missing += ", ArrayBuffer"}
|
||||
if (!window.DataView) {missing += ", DataView"}
|
||||
|
||||
if (missing.length == 0) {
|
||||
return false;
|
||||
} else {
|
||||
alert("No can do... your browser does not support the following features:\n" + missing.substring(2));
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/* Start of window.onload() */
|
||||
if (checkBrowser()) {
|
||||
return;
|
||||
}
|
||||
document.getElementById("FileSelector").addEventListener("change", fileSelector_onChange, false);
|
||||
}
|
||||
</script>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
|
||||
<div style="position:relative; width:100%; height:3em">
|
||||
<div style="position:absolute; left:0; top:0; width:auto">
|
||||
retro-B5500 LibMaint Tape Extract Utility
|
||||
</div>
|
||||
<div style="position:absolute; top:0; right:0; width:auto">
|
||||
<input id=FileSelector type=file size=60>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
<pre id=TextPanel>
|
||||
</pre>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user