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wp34s Version 1.18 Rev 875 Backup and Restore



#8

Marcus,

I see that you have added confirmation to the ON+ key commands. That's a good thing, as I worried that at some point I would hit ON+S instead of ON+R as they are right next to each other. Not a disaster, but would require firing up SAM-BA to get things running again. In any case, I assume that the confirmation is to press the key again while holding ON down, i.e. Restore would be ON+5, hold ON, release 5, keep holding ON, press 5, correct? If so, then there may be a problem as I now get "Invalid" when I attempt to restore from a state file that worked with previous versions.


#9

Quote:
If so, then there may be a problem as I now get "Invalid" when I attempt to restore from a state file that worked with previous versions.

1.17 is not compatible with 1.18. We changed the number of program steps and therefore the checksum is no longer valid. The keyboard sequence is exactly as you describe.


#10

Any way to get around this? When you provided back-up and restore capability, I finally decided to try entering a longer program since I would not lose it with the next revision. Not a big deal if not, I'll just re-enter it.


#11

Send me your state file, I may create an upgrade path. You find me under marcus at mvcsys dot de.


#12

State file sent, fixed, and returned. Thanks Marcus!


Edited: 13 May 2011, 12:17 p.m.

#13

Out of interest, what program?

- Pauli


#14

Nothing special, just my old four-digit number guessing game that I have ported to various machines over the years.


#15

Here is the wp34s state file with the program in case anyone is interested:

wp34s state file with number guessing game

Once you get the state file into your calculator and restore it to main memory, game play is as follows:

To play: Press C to execute program label C. The calculator will generate a random four digit number with no repeated digits, zero not allowed, then stop and display 0.0. Key in a four digit guess, (e.g. 1234, 9753, etc.) and press R/S. The calculator will compare your guess to the secret number it generated and return a score in the following format:

x.y

where x is the number of digits in your guess that are both in the secret number and in the correct position, and y is the number of digits which are in the secret number but not in the correct position. So, for example, if the secret number is 3214 and you guess 1234, the score will be 2.2, as the 2 and 4 are in the correct positions and the 1 and 3 are in the number but in the incorrect position in your guess. After each guess, pressing x<>y will show the number of guesses so far. Keep entering guesses until 4.0 is displayed, indicating you have solved the puzzle.

Wp34s program listing:
Step # Command Comment
001 LBL C Label C for "Code Breaker"
002 Cl x clear x to get zero to store in 1 - 5, 10
003 STO 01
004 STO 02
005 STO 03
006 STO 04
007 STO 05
008 STO 10
009 FIX 01 set display mode Fix 1 so scores are presented as x.x
010 1 enter 1 for first digit of 10
011 0 enter 0 for second digit of 10
012 STO 06 Store constant 10 in register 6
013 4 enter 4
014 STO I Store 4 in I for loop index and indirect storage.
015 LBL 02 Label 2
016 RAN# generate random number
017 RCL x 06 Multiply times 10 to get a digit left of decimal point
018 INT drop fractional portion
019 RCL 01 Recall register 1
020 XEQ 10 execute subroutine that checks against random number
021 RCL 02 Recall register 2
022 XEQ 10 execute subroutine that checks against random number
023 RCL 03 Recall register 3
024 XEQ 10 execute subroutine that checks against random number
025 RCL 04 Recall register 4
026 XEQ 10 execute subroutine that checks against random number
027 STO->I If random number is not equal to any existing digit,
store in register pointed to by I
028 DSE I Decrement index
029 GTO 02 Go back to random number generator to store next digit
030 LBL 03 Label 3
031 RCL 10 Recall 10, count of guesses for guessing portion
032 RCL 05 Recall 5, score of guess for guessing portion
033 STOP Stop
034 STO 09 Store 4 digit guess in register 9
035 CL x Clear x for 0 in x
036 STO 05 Store in register 5, which will hold score for the current guess
037 4 Enter 4
038 STO I Store 4 in I for loop index and indirect recalling.
039 LBL 08 Label 8
040 RCL 09 Recall guess
041 RCL / 06 Divide guess by 10
042 STO 09 Store back in register 9
043 FRAC Take fractional part
044 RCL x 06 Multiply times 10 to get a digit left of decimal point
045 INT drop fractional portion
046 RCL->I Recall register pointed to by I
047 x=y? Compare to digit extracted from guess for the I position
048 GTO 04 If equal, go to scoring for correct digit in correct location
049 Rv Roll down to get extracted digit back
050 RCL 04 Recall digit 4
051 x=y? Compare to extracted digit from guess
052 GTO 05 if equal, go to scoring for correct digit in incorrect location
053 Rv Roll down to get extracted digit back
054 RCL 03 Recall digit 3
055 x=y? Compare to extracted digit from guess
056 GTO 05 if equal, go to scoring for correct digit in incorrect location
057 Rv Roll down to get extracted digit back
058 RCL 02 Recall digit 2
059 x=y? Compare to extracted digit from guess
060 GTO 05 if equal, go to scoring for correct digit in incorrect location
061 Rv Roll down to get extracted digit back
062 RCL 01 Recall digit 1
063 x=y? Compare to extracted digit from guess
064 GTO 05 if equal, go to scoring for correct digit in incorrect location
065 0 enter 0 to indicate digit not in number
066 GTO 06 Go to scoring
067 LBL 04 Label 4
068 1 Enter 1 for correct digit in correct location
069 GTO 06 Go to scoring
070 LBL 05 Label 5
071 . enter decimal point
072 1 enter 1 (for .1) for guess digit in number in incorrect location
073 LBL 06 Label 6
074 STO + 05 Add 1, .1 or 0 to score
075 DSE I Decrement index
076 GTO 08 Go to Label 8 to extract next guess digit
077 1 Enter 1
078 STO + 10 Add to register .0, count of guesses
079 EEX Enter power of 10 exponent
080 4 Enter 4 for 1E4
081 RCL x 09 Multiply register 9 by 10,000 to get guess back
082 GTO 03 Go to 3
083 LBL 10 Label 3, test routine to generate non-repeating, non-zero
digits in secret number
084 x=y? compare randomly generated digit to existing secret
number digit
085 GTO 02 go to random number generator if random number is equal to
any existing digit of secret number
086 x<>y swap if not equal to get randomly generated digit back for
next test
087 RTN subroutine return


...


#16

Thanks for posting it!

I liked to play this game on my TI-59, in '82 (there was a listing in the manual). Unfortunately it was stolen two months after I had purchased it. The first thing I did when I replaced it with an HP-15C was writing an RPN version, or to what I thought an RPN version was:

http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv014.cgi?read=68346

As I was not acquainted to the HP-15C, it was a slow and long program but it ran fast on the HP-32SII. Even faster on the PC :-)


----------------------------------------------

Program Guessing_Game;
var c,e,i,j,nt,tmp: byte;
ad,adv: integer;
op: char;
a,n: array [1..4] of byte;
begin
repeat
nt:=0;
ClrScr;
Write(' ':9,'G U E S S I N G G A M E');
GoToXY(14,5); Write('Guess C I');
repeat
for i:=1 to 4 do
n[i]:=Random(9)+1
until (n[1]<>n[2]) and (n[1]<>n[3]) and (n[1]<>n[4]) and
(n[2]<>n[3]) and (n[2]<>n[4]) and (n[3]<>n[4]);
repeat
c:=0; e:=0; nt:=nt+1;
GoToXY(10,3); Write('Enter your guess: ');
repeat
repeat
GoToXY(30,3); Read (adv);
GoToXY(30,3); ClrEol
until (adv>1233) and (adv<9877) and (IOresult=0);
ad:=adv;
for i:=4 downto 1 do begin
a[i]:=adv mod 10;
adv:=adv div 10
end
until (a[1]<>a[2]) and (a[1]<>a[3]) and (a[1]<>a[4]) and (a[2]<>a[3]) and
(a[2]<>a[4]) and (a[3]<>a[4]) and (a[1]*a[2]*a[3]*a[4]<>0);
for i:=1 to 4 do
if a[i]=n[i] then c:=c+1;
for i:=1 to 3 do begin
tmp:=a[1];
for j:=1 to 3 do
a[j]:=a[j+1];
a[4]:=tmp;
for j:=1 to 4 do
if a[j]=n[j] then e:=e+1
end;
GoToXY(10,nt+6); WriteLn(nt:2,': ',ad:4,' ',c:1,' ',e:1)
until (c=4) or (nt=10);
GoToXY(15,20);
if c=4 then
case nt of
1: Write('That',#39,'s witchcraft!');
2,3: Write('Excellent!');
4: Write('Good!');
5,6: Write('Fair.');
7,8: Write('Poor.');
9: Write('Bad.');
10: Write('Better luck next time!')
end
else
Write('Secret number: ',n[1]:1,n[2]:1,n[3]:1,n[4]:1);
GoToXY(10,3); ClrEol;
GoToXY(15,22); Write('New game? <Y,N> ');
repeat
Read(kbd,op); op:=UpCase(op)
until (op='Y') or (op='N')
until op='N'
end.


----------------------------------------------


G U E S S I N G G A M E

Guess C I

1: 1234 1 0
2: 5678 0 2
3: 9287 0 3
4: 2986 0 2
5: 7893 3 0
6: 7894 4 0

Fair.

New game? <Y,N>


----------------------------------------------


#17

Quote:
Thanks for posting it!

You are welcome!

Quote:
I liked to play this game on my TI-59, in '82 (there was a listing in the manual).

I also first encountered TI-59 version of the program. I had a 29C at the time and was able to create playable version for it.

Quote:
The first thing I did when I replaced it with an HP-15C was writing an RPN version, or to what I thought an RPN version...As I was not acquainted to the HP-15C, it was a slow and long program but it ran fast on the HP-32SII.

I can't believe I missed your post from 2005. My 15C version is also very slow. The wp34s version is lightning fast.

#18

Nice program. If you're agreeable, I'll add it to the library of programs.

A couple of minor comments (well more taking advantage of features of the 34s).

Lines 77/78 can be replaced by "INC 10".


The checking for duplicate digits code can be simplified. Lines 19-26 can be changed to

019: x=? 01
020: GTO 02
021: x=? 02
022: GTO 02
023: x=? 03
024: GTO 02
025: x=? 04
026: GTO 02

and lines 83 - 87 removed. This will be shorter, faster and not abuse the return stack so badly :-)

This section of code can be streamlined further by making it a loop:

015: 4
016: RAN#
017: RCL* 06
018: INT
019: LBL 99
020: x=?->Y
021: GTO 02
022: DSZ Y
023: GTO 99

and an extra step saved by deleting the label and using BACK instead.

The 34s really is a programmers' machine :-)


- Pauli


#19

Thanks Pauli. You may certainly add it (or preferably an improved version) to the library of programs.

I am not surprised that it can be improved, thanks for your suggestions, I'll check them out. I'd also like to take advantage of the alpha capabilities of wp34s by adding some prompts or messages.


...

#20

Quote:
A couple of minor comments (well more taking advantage of features of the 34s).

Lines 77/78 can be replaced by "INC 10".

The checking for duplicate digits code can be simplified...This section of code can be streamlined further by making it a loop...and an extra step saved by deleting the label and using BACK instead.


Which would look like this, I presume:

015: 4
016: RAN#
017: RCL* 06
018: INT
019: x=?->Y
020: GTO 02
021: DSZ Y
023: BACK 03

A similar improvement can be made to the digit checking routine, replacing steps 46 to 64 of the original program with:

x=?->I
GTO 04
4
x<>y
x=?->Y
GTO 05
DSZ Y
BACK 03

I'm sure there are other improvements that could be made, but the above changes plus a couple of skips get the program down to 64 steps, listed below. Oh yes, I forgot to say that after each guess is scored, the guess will be in register Z in case you forget what you just guessed.

Quote:
The 34s really is a programmers' machine :-)

Yes, it certainly is!

Improved wp34s version	

State file

Program Listing
Step # Command Comment
001 LBL C Label C for "Code Breaker"
002 CLx clear x to get zero to store in 1 - 5, 10
003 STO 01
004 STO 02
005 STO 03
006 STO 04
007 STO 05
008 STO 10
009 FIX 01 set display mode Fix 1 so scores are presented as x.x
010 1 enter 1 for first digit of 10
011 0 enter 0 for second digit of 10
012 STO 06 Store constant 10 in register 6
013 4 enter 4
014 STO I Store 4 in I for loop index and indirect storage.
015 LBL 02 Label 02
016 4 enter 4
017 RAN# generate random number, 4 pushed to Y
018 RCLx 06 Multiply times 10 to get a digit left of decimal point
019 IP drop fractional portion
020 x=?->Y check random number against register pointed to ny Y
021 GTO 02 if equal, go back and generate new number
022 DSZ Y decrement Y register, skip when zero
023 BACK 03 jump back three steps to compare digit to next register pointed to by Y
024 STO->I If random number is not equal to any existing digit, store in register pointed to by I
025 DSE I Decrement index
026 GTO 02 Go back to random number generator to store next digit
027 LBL 03 Label 03
028 RCL 10 Recall 10, count of guesses for guessing portion
029 RCL 05 Recall 5, score of guess for guessing portion
030 STOP Stop, display 0.0 after start or score after guess
031 STO 09 Store 4 digit guess in register 9
032 STO 08 Store second copy of guess
033 CLx Clear x for 0 in x
034 STO 05 Store in register 5, which will hold score for the current guess
035 4 Enter 4
036 STO I Store 4 in I for loop index and indirect recalling
037 LBL 08 Label 08
038 RCL 09 Recall guess
039 RCL/ 06 Divide guess by 10
040 STO 09 Store back in register 9
041 FP Take fractional part
042 RCLx 06 Multiply times 10 to get a digit left of decimal point
043 IP drop fractional portion
044 x=?->I Compare to digit pointed to by I
045 GTO 04 If equal, go to scoring for correct digit in correct location
046 4 enter 4
047 x<>y
048 x=?->Y Compare to digit pointed to by Y
049 GTO 05 if equal, go to scoring for correct digit in incorrect location
050 DSZ Y decrement Y register, skip when zero
051 BACK 03 jump back three steps to compare digit to next register pointed to by Y
052 0 enter 0 to indicate digit not in number
053 SKIP 05 Go to scoring
054 LBL 04 Label 04
055 SKIP 02 skip two steps to enter 1 for correct digit in correct location
056 LBL 05 Label 05
057 . enter decimal point
058 1 enter 1 (for .1 for guess digit in number in incorrect
location, 1 for correct digit in correct location.)
059 STO+ 05 Add 1, .1 or 0 to score
060 DSE I Decrement index
061 GTO 08 Go to Label 08 to extract next guess digit
062 INC 10 Increment register 10, count of guesses
063 RCL 08 Recall original guess
064 GTO 03 Go to label 03 to display score and count of guesses

edited to add state file and listing of further improved version of program


Edited: 16 May 2011, 8:50 p.m.

#21

Quote:
That's a good thing, as I worried that at some point I would hit ON+S instead of ON+R as they are right next to each other.

I've done exactly this :-(
Caused a little confusion.


- Pauli

#22

Please bear in mind that the internal op-codes for commands are not yet set in stone. Of course, we're not going to make changes for the sake of it and we'll try to stay backwards compatible but there is no absolute guarantee of this.

One future we're discussing is user program libraries in flash. Before this can be done we must fix the existing op-codes. Retyping the limited RAM program memory is painful and a bit annoying but not really that much of chore. Retyping multiple kb's of libraries would be.


- Pauli


#23

We should add a disassembler and an assembler to the emulator. This would make programming much easier. The state file or its program part can then be easily transfered to the real machine.


#24

This would be great. I'd use an assembler to compile the internal key stroke programs e.g. :-)

There is a kind of disassembler for the internals. Build the console version and run "calc xrom"


- Pauli

Edited: 12 May 2011, 2:31 a.m.


#25

Our baby's going to get wings :-) IMHO, however, it should learn walking and safely riding a bike first ;-)

Walter


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