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**Gene** · 08-30-2016, 06:13 PM

Looking for some help. Angel has agreed (given in) to the creation of an HP 67/97 game rom. Yay. Haha. The idea here was to have available on the 41CL and Emulators some games for the hP 67/97 that are not available in the same way directly on the HP 41. It also gives possible access to some very good USER written games such as the ones below in addition to the HP 67 solution books.

So, for the user game programs below, what is needed is a .raw file of the game after conversion to the HP 41. This would be a .raw file similar to those available in the HP 41 museum software library.

Any helpers out there to get these .raw files put together? The links below include the listings. If you do one, please post a link to the .raw file and let us know so no duplicate work is done. Many thanks!

:-)

Jive Turkey
http://rskey.org/gene/calcmuseum/67jive.htm

Original HP 67 Pinball Wizard
http://rskey.org/gene/hpgene/pinball.htm

Star Trek
http://rskey.org/gene/hpgene/67sttrk.htm

Chess on the HP 67
http://rskey.org/gene/calcgene/67chess.htm

One armed bandit
http://rskey.org/gene/calcmuseum/67bandit.htm

Golf
http://rskey.org/gene/calcmuseum/67golf.htm

Blackjack
http://rskey.org/gene/calcmuseum/67blkjk.htm

**Gene** · (This post was last modified: 08-30-2016 11:25 PM by Gene.)

Ok, so a question was asked...

"How do I make a RAW file?"

Easy!

1) Key the program into an HP 41 emulator on a PC (perhaps phone).
2) Find the menu choice to export the program to a PC file. This will almost certainly be a .raw file.
3) Find the file and post it here (or email it to me).

I said it was easy!

The only hard part is to ensure the card reader functions are available in the emulator if needed. However, many of these don't require it.

I would do these myself but I am not where I can due to outside events affecting family ... and my VMWARE fusion is out of date. Ugh.

Dieter · (This post was last modified: 08-31-2016 01:49 PM by Dieter.)

(08-30-2016 06:13 PM)Gene Wrote: Looking for some help. Angel has agreed (given in) to the creation of an HP 67/97 game rom. Yay. Haha. The idea here was to have available on the 41CL and Emulators some games for the hP 67/97 that are not available in the same way directly on the HP 41. It also gives possible access to some very good USER written games such as the ones below in addition to the HP 67 solution books.

I do not think that translating HP67/97 programs 1:1 for the HP41 is a good idea. This is especially true for games – the 41 allows much better programs due to its alpha input/output, and many things can be done much more elegantly.

Consider the Jive Turkey example. It's an HP67/97 translation of a TI58/59 program that uses a rather complicated random number generator (looks like the one from the ML-01 module) and generates output that is not always unambiguous – cf. the instructions on the linked website with the program. It also uses a strange flag technique to generate a misleading (=wrong) output if it decides to lie to the user. Also all (well, most) data memory is cleared. Which is less of a problem with the 67/97 (turn it off and everything is lost anyway) than on an HP41 with its continuous memory.

Compare this to a more compact program that uses the HP41's features. The following code was written in 15 minutes, so there may be errors, but you get the idea:

Code:

LBL "JT"

100

"TRUTH%=?"

PROMPT

1

%

STO 03

999

"MAX. NUMBER?"

PROMPT

ABS

INT

STO 02

XEQ 99

*

1

+

INT

STO 01

CLX

STO 00

"GUESS?"

LBL 01

PROMPT

ISG 00

ENTER

RCL 01

-

X=0?

GTO 02

SIGN

RCL 03

XEQ 99

-

SIGN

*

"HIGH"

X<0?

"LOW"

GTO 01

LBL 99

RCL 04

PI

+

X^2

FRC

STO 04

RTN

LBL 02

RCL 00

FIX 0

CF 29

" "

ARCL 00

FIX 4

SF 29

"├ GUESSES"

AVIEW

BEEP

END

Usage:

Code:

Before the first usage it is recommended to store a random seed

(positive number with fractional part) in R04:

e.g. 0.1234 STO 04

[XEQ] "JT"    TRUTH%=?

Enter percentage of true answers.

No entry sets this to 100%, i.e. all answers are correct

Which means it's a simple Hi-Lo-Game.

70 [R/S]           MAX. NUMBER?

Enter max. number to guess

Default value is nmax = 999

100 [R/S]          GUESS?

Now enter your guesses:

50  [R/S]          LOW

80  [R/S]          LOW   ' here the program is cheating, actually 80 is high

80  [R/S]          HIGH  ' same input this time yields the true answer

70  [R/S]          HIGH

65  [R/S]          LOW

67  [R/S]          6 GUESSES

The program takes advantage of input prompts and alpha output, it uses the signum function to generate the high/low output and change it if it decides to cheat, and the max. number to guess can be specified by the user. There's no need to initialize any flags (the program doesn't use any), and no HP67/97 commands like ISZ(i) are required. All this is done in less steps than the original version.

Dieter

**Gene** · 08-31-2016, 04:08 PM

Dieter, I don't disagree, but some of the "fun" is actually leaving them the way they were.

I'm trying to pick HP 67 era games for which there is no direct 41CL equivalent yet by setting up a .rom file with these older HP 67 era games. I'm very aware :-) we *could* rewrite them, but that is not the intent here at all.

Still, fun to have a rewritten Jive Turkey program. :-)

RobertM · 08-31-2016, 05:01 PM

Well, I was going to tackle a couple of these but my first two tries showed (apparent) errors in the source? (RPN-67 SD nicely flags these errors - Thanks Willy!)

For Jive: Line 07 is f GSB 4 but there is no LBL 4.
For Blackjack: Line 197/199/201 is GTO c, but there is no LBL c.

I'll try a couple of the other ones later.

Dieter · (This post was last modified: 08-31-2016 07:13 PM by Dieter.)

(08-31-2016 05:01 PM)RobertM Wrote: Well, I was going to tackle a couple of these but my first two tries showed (apparent) errors in the source? (RPN-67 SD nicely flags these errors - Thanks Willy!)

For Jive: Line 07 is f GSB 4 but there is no LBL 4.

This should be easy to fix. The program at this point is supposed to generate the number to guess, i.e. something between 0 and 99. The RNG is implemented at LBL 1. So simply change it to f GSB 1 and it should run.

(08-31-2016 05:01 PM)RobertM Wrote: For Blackjack: Line 197/199/201 is GTO c, but there is no LBL c.

This seems to be a feature: the GTO c generates an "Error" message for invalid input.

Dieter

**Gene** · 08-31-2016, 06:52 PM

Well, I guess I know how few people ever tried it in 19 years don't I ?

Jive Turkey:

Link to program listing from PPC Journal: Jive Turkey

Line 07 is f GSB 1 not 4. My typo.

Blackjack:

The GTO c is an error on purpose according to the instructions in V3N9P38. Not a mistake.

Thanks for helping with these.

RobertM · 09-01-2016, 01:57 AM

Are you looking for me to use the card reader compatibility functions (which would require the card reader be installed to run), or do you want the program slightly re-written. For example, Jive uses ISZi, so I could use 7ISZI or I could "rewrite" it to store 0.999 in R00 and use ISG (and RCL 00/INT to display the count of guesses) so that the card reader module wouldn't be required, but does limit you to 1000 guesses.

Also, in Blackjack, the PRTX (-x-) used for "blinking" pause ... no real equivalent that I know of on the 41.

Let me know what you'd like.

Dieter · (This post was last modified: 09-01-2016 12:11 PM by Dieter.)

(09-01-2016 01:57 AM)RobertM Wrote: Are you looking for me to use the card reader compatibility functions (which would require the card reader be installed to run), or do you want the program slightly re-written.

I would strongly recommend the one or other rewrite. After all the 41 is a completely different machine which requires a different approach here and there. Some HP67/97 code cannot even be translated directly (think of fast reverse branching or numbers consisting of multiple program lines). The card reader manual has various examples and suggestions for this.

(09-01-2016 01:57 AM)RobertM Wrote: For example, Jive uses ISZi, so I could use 7ISZI or I could "rewrite" it to store 0.999 in R00 and use ISG (and RCL 00/INT to display the count of guesses) so that the card reader module wouldn't be required, but does limit you to 1000 guesses.

And it would require SIZE 026 altough only four registers are used. Remove the initial CLRG (which clears all available registers) at LBL A and clear only R 01, then nd use ISG 00 ENTER (dummy instruction) instead of ISZ(i). This way no INT is required. Even a simple 1 ST+00 would do here. Other changes are required anyway, e.g. F? 3 becomes FS?C 22.

I think the idea is to duplicate the look and feel of this vintage software. If the same results requires slight changes, that's the way to go.

(09-01-2016 01:57 AM)RobertM Wrote: Also, in Blackjack, the PRTX (-x-) used for "blinking" pause ... no real equivalent that I know of on the 41.

A VIEW X followed by 3x PSE might do – but of course without the blinking point.

Dieter

Dieter · 09-01-2016, 12:50 PM

(08-31-2016 04:08 PM)Gene Wrote: Dieter, I don't disagree, but some of the "fun" is actually leaving them the way they were.

OK – with the one or other slight modification due to the different programming paradigm. See RoberM's post below.

(08-31-2016 04:08 PM)Gene Wrote: I'm trying to pick HP 67 era games for which there is no direct 41CL equivalent yet by setting up a .rom file with these older HP 67 era games. I'm very aware :-) we *could* rewrite them, but that is not the intent here at all.

OK, here is a more or less literal translation of the HP67/97 program.

Code:

 01 LBL "JT"

 02 FIX 0

 03 CF 22

 04 SF 27

 05 CF 29

 06 "JIVE TURKEY"

 07 PROMPT

 08 LBL A

 09 STO 03

 10 STO 00

 11 ST- 00

 12 RTN

 13 LBL B

 14 STO 04

 15 XEQ 01

 16 STO 01

 17 LBL D

 18 RCL 00

 19 RTN

 20 LBL C

 21 STO 02

 22 1

 23 ST+ 00

 24 XEQ 01

 25 X>Y?

 26 CF 22

 27 RCL 02

 28 RCL 01

 29 X=Y?

 30 GTO D

 31 X>Y?

 32 GTO 00

 33 FS?C 22

 34 FS?C 22

 35 SF 22

 36 LBL 00

 37 1

 38 FS?C 22

 39 CHS

 40 RTN

 41 LBL 01

 42 24298

 43 RCL 04

 44 *

 45 5

 46 10^X

 47 9

 48 -

 49 +

 50 199017

 51 /

 52 LASTX

 53 X<>Y

 54 FRC

 55 *

 56 STO 04

 57 RCL 03

 58 LASTX

 59 1 E2

 60 *

 61 INT

 62 RTN

 63 END

ISZ(i) was replaced with a simple 1 ST+00, and the CLRG at LBL A was omitted and only R00 set to zero. A global label "JT" was added in order to access the program and initialize it, just as a HP67/97 card read would do.

If you like it this way I could provide a raw file.

(08-31-2016 04:08 PM)Gene Wrote: Still, fun to have a rewritten Jive Turkey program. :-)

It was also fun to write it. ;-)

Dieter

**Gene** · 09-01-2016, 01:21 PM

Hey guys. Thanks for the help.

for these games that have to be keyed in one form or another, a re-write is great. Many thanks. Don't mind making them a bit more HP 41 friendly either.

For the vast majority of the games, I'm hoping to simply get them in the HP 67 form converted by the card reader as shown in the MoHPC HP-41C Software library. That's where the .raw files are coming from for this effort. Click below and scroll down to find the HP 67 games pac and solution book programs.

HP-41C Software Library

I am trying to only pull game programs that do not already have an equivalent in the 41CL software roms. I'm not trying to duplicate better programs that are already there or games that really make little sense today. For example, Slot Machine and Battleship are on my list to Angel, but Hangman is not. Why put a Hangman program in there that uses codes to represent the letters when there is already a great hangman program using letters available on the 41CL?

I realize that the choices I'm trying to make are probably different from those others would make. I'm merely trying to preserve in the 41CL (and emulator world) some of these HP67 era games that deserve saving (Craig Pearce's HP 67 Pinball Wizard just because of what it represented) or games for which there is no existing 41C equivalent yet.

:-)

Appreciate the help.

.raw files for any of these that have to be keyed are good!

RobertM · (This post was last modified: 09-02-2016 09:18 PM by RobertM.)

Here is my take(s) on Blackjack.
First, is the "direct" translation from the 67 program. This version requires the card reader (module) to run:

Code:

LBL "BJ67"

LBL A

RCL 08

ABS

STO 08

9

STO 25

CF 00

CF 01

XEQ 00

7ISZ            ;

STO IND 25

STO 00

STO 02

FS?C 22

SF 00

XEQ 00

STO 04

STO 06

FS?C 02

SF 01

XEQ 00

7ISZ            ;

STO IND 25

STO 01

ST+ 02

FS?C 02

SF 00

XEQ 00

STO 05

ST+ 06

FS?C 02

SF 01

RCL 06

FS? 01

XEQ 07

STO 07

X=Y?

SF 02

7DSP0            ;

RCL 00

PSE

RCL 01

PSE

RCL 02

7PRTX            ;

RCL 04

CHS

FS?C 02

FS?C 02

RTN

PSE

GTO C

LBL 00

10

RCL 24

PI

-

X^2

FRC

STO 24

13

*

INT

X=0?

SF 02

1

+

X>Y?

RDN

RTN

LBL B

XEQ 00

7ISZ            ;

STO IND 25

STO 00

ST+ 02

FS?C 02

SF 00

21

RCL 02

X>Y?

GTO 02

7DSP0            ;

RCL 00

PSE

LBL 01

RCL 02

7PRTX            ;

RTN

LBL 02

CHS

STO 07

RCL 00

CHS

STO 05

GTO 05

LBL C

RCL 02

FS? 00

XEQ 07

STO 03

LBL 03

RCL 06

FS? 01

XEQ 07

STO 07

17

X<=Y?

GTO 04

RCL 05

CHS

PSE

RCL 06

CHS

7PRTX            ;

XEQ 00

FS?C 02

SF 01

STO 05

RCL 06

+

STO 06

STO 07

22

X<=Y?

GTO 06

GTO 03

LBL 04

RCL 07

RCL 03

X=Y?

SF 02

X>Y?

GTO 06

LBL 05

RCL 08

CHS

STO 08

LBL 06

7DSP0            ;

RCL 05

CHS

PSE

RCL 07

CHS

7PRTX            ;

7DSP2            ;

RCL 08

FS?C 02

CLX

ST+ 09

RTN

LBL 07

21

X<>Y

10

+

X<=Y?

RTN

LASTX

-

RTN

LBL a

7DSP0            ;

9

X<> 25

STO 23

LBL 08

RCL 23

RCL 25

X=Y?

GTO 01

7ISZ            ;

RCL IND 25

PSE

GTO 08

LBL b

PI

+

STO 24

GTO b

LBL d

RCL 08

ABS

LBL D

7DSP2            ;

RND

LASTX

X!=Y?

GTO c

X<0?

GTO c

X=0?

GTO c

STO 08

RTN

LBL e

CLX

STO 09

LBL E

7DSP2            ;

RCL 09

RTN

And then a slightly modified version, that doesn't require the card reader module. Replaced 7ISZ with ISG, ENTER, and 7DSP with FIX, and 7PRTX with VIEW X, PSE, PSE, PSE, CLD.

Code:

LBL "BJ"

CF 00

CF 01

CF 02

SF 27        ; User Mode

FIX 0

"BLACKJACK"

PROMPT

LBL A

RCL 08

ABS

STO 08

9

STO 25

CF 00

CF 01

XEQ 00

ISG 25

ENTER            ; NOP

STO IND 25

STO 00

STO 02

FS?C 22

SF 00

XEQ 00

STO 04

STO 06

FS?C 02

SF 01

XEQ 00

ISG 25

ENTER            ; NOP

STO IND 25

STO 01

ST+ 02

FS?C 02

SF 00

XEQ 00

STO 05

ST+ 06

FS?C 02

SF 01

RCL 06

FS? 01

XEQ 07

STO 07

X=Y?

SF 02

FIX 0

RCL 00

PSE

RCL 01

PSE

RCL 02

VIEW X

PSE

PSE

PSE

CLD

RCL 04

CHS

FS?C 02

FS?C 02

RTN

PSE

GTO C

LBL 00

10

RCL 24

PI

-

X^2

FRC

STO 24

13

*

INT

X=0?

SF 02

1

+

X>Y?

RDN

RTN

LBL B

XEQ 00

ISG 25

ENTER            ; NOP

STO IND 25

STO 00

ST+ 02

FS?C 02

SF 00

21

RCL 02

X>Y?

GTO 02

FIX 0

RCL 00

PSE

LBL 01

RCL 02

VIEW X

PSE

PSE

PSE

CLD

RTN

LBL 02

CHS

STO 07

RCL 00

CHS

STO 05

GTO 05

LBL C

RCL 02

FS? 00

XEQ 07

STO 03

LBL 03

RCL 06

FS? 01

XEQ 07

STO 07

17

X<=Y?

GTO 04

RCL 05

CHS

PSE

RCL 06

CHS

VIEW X

PSE

PSE

PSE

CLD

XEQ 00

FS?C 02

SF 01

STO 05

RCL 06

+

STO 06

STO 07

22

X<=Y?

GTO 06

GTO 03

LBL 04

RCL 07

RCL 03

X=Y?

SF 02

X>Y?

GTO 06

LBL 05

RCL 08

CHS

STO 08

LBL 06

FIX 0

RCL 05

CHS

PSE

RCL 07

CHS

VIEW X

PSE

PSE

PSE

CLD

FIX 2

RCL 08

FS?C 02

CLX

ST+ 09

RTN

LBL 07

21

X<>Y

10

+

X<=Y?

RTN

LASTX

-

RTN

LBL a

FIX 0

9

X<> 25

STO 23

LBL 08

RCL 23

RCL 25

X=Y?

GTO 01

ISG 25

ENTER            ; NOP

RCL IND 25

PSE

GTO 08

LBL b

PI

+

STO 24

GTO b

LBL d

RCL 08

ABS

LBL D

FIX 2

RND

LASTX

X!=Y?

GTO c

X<0?

GTO c

X=0?

GTO c

STO 08

RTN

LBL e

CLX

STO 09

LBL E

FIX 2

RCL 09

RTN

Both give a similar "feel" to the 67 version.
Both RAW files are in the .zip.

Edit: just updated the zip to contain the text files with line numbers.

Dieter · (This post was last modified: 09-02-2016 06:48 AM by Dieter.)

(09-02-2016 04:13 AM)RobertM Wrote: Here is my take(s) on Blackjack.
(...)
And then a slightly modified version, that doesn't require the card reader module. Replaced 7ISZ with ISG, ENTER, and 7DSP with FIX, and 7PRTX with VIEW X, PSE, PSE, PSE, CLD.

Great. I see you use the same initialization routine as my Jive Turkey version. The idea is to initialize some settings (flags, display format, user mode) which on a 67/97 is automatically done while the program card is read. If this is considered a good idea we should maybe do this for all translated programs.

BTW, the Blackjack program includes an infinite loop at LBL b. What's the idea behind this? It looks like this is supposed to simulate shuffling the cards: Enter a random seed and press f b, let it run for a few seconds and a new seed is generated.

Two more notes:

The 67/97 can always access 26 data registers, and it is common practice to use the higher registers A...E (i.e. R20...24). Since a lot of programs use the I-register, even the highest register number (25) is occupied even if the program otherwise merely uses R0 and R1. On the other hand memory can be limited on the 41 (especially the 41C without RAM extension), so it is a good idea to move A...E and I downwards to the lowest possible addresses. In this case (BJ) that's R10...R12 instead of D, E and I. This way only SIZE 13 is required.

In this program the HP67/97 ISZ command can be replaced with ISG followed by a dummy instruction that is never executed, as register "I" always holds a positive integer. Please note that this is not always possible. Also, instead of using ENTER for the dummy instruction, something like LBL 20 could be used. Such a label never occurs in a 67/97 program.

Dieter

RobertM · 09-02-2016, 02:44 PM

(09-02-2016 06:47 AM)Dieter Wrote: Great. I see you use the same initialization routine as my Jive Turkey version. The idea is to initialize some settings (flags, display format, user mode) which on a 67/97 is automatically done while the program card is read. If this is considered a good idea we should maybe do this for all translated programs.

Yes, sorry ... should have given you credit for this. I liked it in Jive Turkey, so I "borrowed" it. Smile

(09-02-2016 06:47 AM)Dieter Wrote: BTW, the Blackjack program includes an infinite loop at LBL b. What's the idea behind this? It looks like this is supposed to simulate shuffling the cards: Enter a random seed and press f b, let it run for a few seconds and a new seed is generated.

Yes, the original instructions in PPCJ V3N9P38 talk about using this method to "generate" a seed.

(09-02-2016 06:47 AM)Dieter Wrote: The 67/97 can always access 26 data registers, and it is common practice to use the higher registers A...E (i.e. R20...24). Since a lot of programs use the I-register, even the highest register number (25) is occupied even if the program otherwise merely uses R0 and R1. On the other hand memory can be limited on the 41 (especially the 41C without RAM extension), so it is a good idea to move A...E and I downwards to the lowest possible addresses. In this case (BJ) that's R10...R12 instead of D, E and I. This way only SIZE 13 is required.

Can't do that in this game ... R10-R19 are used by indirect addressing to store the "cards" that are dealt, so those registers are needed the way they are.

(09-02-2016 06:47 AM)Dieter Wrote: In this program the HP67/97 ISZ command can be replaced with ISG followed by a dummy instruction that is never executed, as register "I" always holds a positive integer. Please note that this is not always possible. Also, instead of using ENTER for the dummy instruction, something like LBL 20 could be used. Such a label never occurs in a 67/97 program.

I actually had this as LBL14 (better to use a one-byte LBL than a multi-byte instruction)...but then you had recommended ENTER earlier, so I switched to that. I know that a single byte LBL is faster to execute than ENTER, but the way this is structured, it will never get executed, only skipped.

Thanks for the comments!

**Gene** · 09-02-2016, 03:46 PM

Dieter: ISZ(i) was replaced with a simple 1 ST+00, and the CLRG at LBL A was omitted and only R00 set to zero. A global label "JT" was added in order to access the program and initialize it, just as a HP67/97 card read would do. If you like it this way I could provide a raw file.

Gene: Yes, please provide a raw file for the JT game. :-)

RobertM · 09-02-2016, 04:56 PM

Forgot to mention that I'm moving on to Star Trek (about half done).

hth · 09-02-2016, 05:44 PM

Looks like a lot of interesting activity going here!

I could help in packing together the ROM. Unfortunately, I am not able to do a lot of work on game conversions due to lack of available time, but I can definitely spend time on packing the ROM. RPN source is preferred in that case, as they are easier to edit if needed.

Håkan

Dieter · (This post was last modified: 09-02-2016 06:43 PM by Dieter.)

(09-02-2016 03:46 PM)Gene Wrote: Gene: Yes, please provide a raw file for the JT game. :-)

OK, here it is.

Edit: I have just updated the zip file, it now contains both the .RAW file as well as a .TXT listing with line numbers.

Dieter

.zip

JT.zip (Size: 635 bytes / Downloads: 10)

RobertM · 09-03-2016, 10:12 PM

Here is Star Trek.

I've attached a zip file containing 2 RAW files and 3 txt files:
ST67.RAW and ST67.txt are the "direct" translation from the 67 program. This version requires the card reader (module), as well as SIZE 026 and DSP2 to run.

ST.RAW, ST.txt, ST_commented.txt are my "edited" version of the 67 program. All card reader functions have been translated, and the size has been reduced by 10 registers to SIZE 016, and the "Dieter Preamble" has been added. Smile

The ST_commented.txt version contains my code comments as I learned/translated the code, figured they might be useful in the future.

I've tested both of them to the "example" at http://rskey.org/gene/hpgene/67sttrk.htm

Both give a similar "feel" to the 67 version of Star Trek ... takes me way back!

Thanks to Antonio Lagana for i41CX+ and Willy Kunz for RPN-67 SD ... both fantastic and powerful emulators/simulators.

On to Chess ... unless someone else is tackling it.

Ángel Martin · (This post was last modified: 09-05-2016 05:15 AM by Ángel Martin.)

... and here is the first version of the HP-67 Games module - Happy birthday Gene! (save it for the right date ;-)

27 Games in total, including your raw files as well as a bunch Gene sent me from the museum library (I believe). Not sure if there are dups or they are proper sections of larger games, like DOGA & DOGB, or RCKT67 & RCKT<1>, or SPW67A & SPW67B.

Also there were a couple of data files in the zip I got, which would need to be put in a loader program by a volunteer...

The assumption was that either the Card Reader ROM image (CL owners) or the Card Reader itself was going to be present, so the non-CRDRD versions are not in the module. This helps with the byte count, there are only 300 bytes left and I'd think those should be reserved for the Chess ;-)

During the compiling steps a few programs reported missing label errors. Based on what I've read above this is intended, but nevertheless would be good you guys checked your programs for correct operation. As project architect I'm sure Gene will take care of those from the museum library, right?