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README.md

layout title permalink machines
page
Lotus 1-2-3 Release 1A
/disks/pcx86/apps/lotus/123/1a/
id type config autoMount autoType
ibm5150-123-1a
pcx86
/devices/pcx86/machine/5150/cga/256kb/machine.xml
B
name
Lotus 1-2-3 1A (1-System)
$date\r$time\rb:\r123\r

Lotus 1-2-3 Release 1A

This version of 1-2-3 is known as Release 1A, which differs from the later Release 1A*. This version contained files dated 6-07-83, whereas Release 1A* contained files dated 7-01-83.

WARNING: These disk images are from WinWorld and are not exact copies of the original distribution disks. We've tried to recreate the System Disk as it was originally distributed (aside from the Copy-Protection Patch), but the other disks have been left as we found them: original Lotus 1-2-3 files dated 6-07-83 along with a random mixture of PC DOS 1.10 and PC DOS 2.10 binaries (eg, COMMAND.COM, DISKCOPY.COM, DISKCOMP.COM, etc.)

{% include machine.html id="ibm5150-123-1a" %}

Directory of Lotus 1-2-3 1A (1-System) (PATCHED)

 Volume in drive A has no label
 Directory of A:\

IBMBIO   COM      1920 06-02-83   5:20p
IBMDOS   COM      6400 06-02-83   5:20p
123      EXE     89856 07-09-17   9:18a
123      HLP    113416 06-07-83   1:23a
123      CNF       256 06-07-83   1:23a
LOTUS    COM       481 06-07-83   1:23a
LTSLOAD  COM     10144 06-07-83   1:23a
AUTOEXEC BAT        20 06-07-83   1:23a
INSTALL  BAT       870 06-07-83   1:23a
GD       DRV      2139 06-07-83   1:23a
ID       DRV      5294 06-07-83   1:23a
KB       DRV       352 06-07-83   1:23a
PR       DRV       329 06-07-83   1:23a
TD       DRV      5294 06-07-83   1:23a
       14 file(s)     236771 bytes
                       77824 bytes free

Directory of Lotus 1-2-3 1A (2-Utility)

 Volume in drive A has no label
 Directory of A:\

IBMBIO   COM      4736 10-20-83  12:00p
IBMDOS   COM     17024 10-20-83  12:00p
LOTUS    COM       481 06-07-83   1:23a
LTSLOAD  COM     10144 06-07-83   1:23a
FILEMGR  COM     17706 06-07-83   1:23a
TRANSLAT COM     20187 06-07-83   1:23a
VCWKS    EXE     20224 06-07-83   1:23a
DIFWKS   EXE     18304 06-07-83   1:23a
WKSDIF   EXE     14336 06-07-83   1:23a
DBFWKS   EXE     16000 06-07-83   1:23a
WKSDBF   EXE     16128 06-07-83   1:23a
IBM0HERC DRV      5293 06-07-83   1:23a
IBM0MONO DRV       745 06-07-83   1:23a
IBM0B&W  DRV      5294 06-07-83   1:23a
IBM0COLO DRV      5294 06-07-83   1:23a
IBM1HERC DRV      2080 06-07-83   1:23a
IBM1G1   DRV      2139 06-07-83   1:23a
IBM1G2   DRV      2139 06-07-83   1:23a
IBM2KB   DRV       352 06-07-83   1:23a
IBM3PR   DRV       329 06-07-83   1:23a
CPQ0TD   DRV       745 06-07-83   1:23a
BOTH     BAT      1036 06-07-83   1:23a
MONO     BAT      1021 06-07-83   1:23a
B&W      BAT      1036 06-07-83   1:23a
COLOR    BAT      1036 06-07-83   1:23a
HERCULES BAT      1036 06-07-83   1:23a
COMPAQ   BAT      1036 06-07-83   1:23a
CONTINUE BAT      3837 06-07-83   1:23a
AUTOEXEC BAT        20 06-07-83   1:23a
INSTALL  BAT       970 06-07-83   1:23a
FIXDOS   COM      1195 06-07-83   1:23a
TD       DRV      5294 06-07-83   1:23a
GD       DRV      2139 06-07-83   1:23a
KB       DRV       352 06-07-83   1:23a
PR       DRV       329 06-07-83   1:23a
DISKCOPY COM      2576 10-20-83  12:00p
DISKCOMP COM      2188 10-20-83  12:00p
COMMAND  COM     17792 10-20-83  12:00p
FORMAT   COM      6912 10-20-83  12:00p
CHKDSK   COM      6400 10-20-83  12:00p
       40 file(s)     235885 bytes
                       62464 bytes free

Directory of Lotus 1-2-3 1A (3-Graph)

 Volume in drive A has no label
 Directory of A:\

IBMBIO   COM      4736 10-20-83  12:00p
IBMDOS   COM     17024 10-20-83  12:00p
GRAPH    EXE     62080 06-07-83   1:23a
GRAPH    HLP     20747 06-07-83   1:23a
GRAPH    CNF       384 06-09-85   3:32p
LOTUS    COM       481 06-07-83   1:23a
LTSLOAD  COM     10144 06-07-83   1:23a
LOTUS    DLB     40889 06-07-83   1:23a
BLOCK1   FON      3597 06-07-83   1:23a
BLOCK2   FON      6593 06-07-83   1:23a
ITALIC1  FON      6507 06-07-83   1:23a
ITALIC2  FON      9076 06-07-83   1:23a
ROMAN1   FON      4744 06-07-83   1:23a
ROMAN2   FON      9117 06-07-83   1:23a
SCRIPT1  FON      5831 06-07-83   1:23a
SCRIPT2  FON      7726 06-07-83   1:23a
AUTOEXEC BAT        20 06-07-83   1:23a
INSTALL  BAT       870 06-07-83   1:23a
DISKCOPY COM      2008 05-07-82  12:00p
DISKCOMP COM      1640 05-07-82  12:00p
TD       DRV      5294 06-07-83   1:23a
GD       DRV      2139 06-07-83   1:23a
KB       DRV       352 06-07-83   1:23a
PR       DRV       329 06-07-83   1:23a
COMMAND  COM     17792 10-20-83  12:00p
       25 file(s)     240120 bytes
                       69632 bytes free

Directory of Lotus 1-2-3 1A (4-Tutorial)

 Volume in drive A has no label
 Directory of A:\

DISKCOPY COM      2008 05-07-82  12:00p
DISKCOMP COM      1640 05-07-82  12:00p
GD       DRV      2139 06-07-83   1:23a
INSTALL  BAT       848 06-07-83   1:23a
KB       DRV       352 06-07-83   1:23a
LESNA_1  WKS      2944 06-07-83   1:23a
LESNA_2  WKS      1792 06-07-83   1:23a
LESNB_1  WKS      2816 06-07-83   1:23a
LESNC_1  WKS      2944 06-07-83   1:23a
LESND_1  WKS      2560 06-07-83   1:23a
LESNE_1  WKS      4224 06-07-83   1:23a
LESNF_1  WKS      4224 06-07-83   1:23a
LESNF_2  WKS      3456 06-07-83   1:23a
LTSLOAD  COM     10144 06-07-83   1:23a
PR       DRV       329 06-07-83   1:23a
TD       DRV      5294 06-07-83   1:23a
TUT0     TUT       486 06-07-83   1:23a
TUTA     TUT     32356 06-07-83   1:23a
TUTB     TUT     19569 06-07-83   1:23a
TUTC     TUT     14548 06-07-83   1:23a
TUTD     TUT     24200 06-07-83   1:23a
TUTE     TUT     25061 06-07-83   1:23a
TUTF     TUT     21448 06-07-83   1:23a
TUTOR    CNF       256 06-07-83   1:23a
TUTOR    HLP      4804 06-07-83   1:23a
COMMAND  COM      4959 05-07-82  12:00p
TUTOR    EXE    108800 06-07-83   1:23a
       27 file(s)     304201 bytes
                        5120 bytes free

Copy-Protection Patch

The PCjs Release 1A System disk does not include any copy-protection. Instead, the disk contains a patched copy of 123.EXE which bypasses the usual copy-protection tests. The patch is described in the "unprotect" document LOTUS.TXT:

1. Rename 123.EXE 123.XYZ
2. DEBUG 123.XYZ
3. type  U ABA9
4. you should see    INT 13   at that address
5. type  E ABA9 90 90
6. type  W
7. type  Q
8. Rename 123.XYZ 123.EXE

The following hexdump diff confirms the precise differences between the original 123.EXE and the patched copy:

2698c2698
< 0000aaa0  02 b0 01 1e 07 8d 1e 92  06 cd 13 80 fc 02 75 01  |..............u.|
---
> 0000aaa0  02 b0 01 1e 07 8d 1e 92  06 90 90 80 fc 02 75 01  |..............u.|