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#1Aug. 13, 2015 05:26:58

Blank1234

Impossible programming problem #2

Using 6502 machine code, create a chess program with a computerized opponent in less then 64 bytes of code. No chess integrated circuits

Last edited by Blank1234 (Aug. 13, 2015 15:38:45)

Did you know that “kaj” means “and” in Esperanto?

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#2Aug. 13, 2015 12:11:03

WooHooBoy

Impossible programming problem #2

did you even try this yourself? :p

considered harmful

#3Aug. 13, 2015 12:47:18

liam48D

Impossible programming problem #2

Title:

Impossible programming problem #2

202e-202e-202e-202e-202e UNI-CODE~~~~~

#4Aug. 13, 2015 12:54:01

bobbybee

Impossible programming problem #2

Alright, my 6502 will have a CHESSCONTROLER chip hooked up at memory address $4000. It is a complete chess playing integrated circuit whose only signal command is $FF which tells it to begin.

Program machine code (hex):

A9 FF 8D 00 00

5 bytes, ungolfed.

Last edited by bobbybee (Aug. 13, 2015 12:54:13)

“Ooo, can I call you Señorita Bee?” ~Chibi-Matoran

#5Aug. 13, 2015 15:11:41

BookOwl

Impossible programming problem #2

bobbybee wrote:
Alright, my 6502 will have a CHESSCONTROLER chip hooked up at memory address $4000. It is a complete chess playing integrated circuit whose only signal command is $FF which tells it to begin.

Program machine code (hex):

A9 FF 8D 00 00

5 bytes, ungolfed.

who needs signatures

#6Aug. 13, 2015 21:34:51

bobbybee

Impossible programming problem #2

BookOwl wrote:
bobbybee wrote:
Alright, my 6502 will have a CHESSCONTROLER chip hooked up at memory address $4000. It is a complete chess playing integrated circuit whose only signal command is $FF which tells it to begin.

Program machine code (hex):

A9 FF 8D 00 00

5 bytes, ungolfed.

Hey, you have to hook up some peripherals for this challenge to make any sense.

I chose my I/O ports wisely.

“Ooo, can I call you Señorita Bee?” ~Chibi-Matoran

#7Aug. 13, 2015 21:39:11

WooHooBoy

Impossible programming problem #2

bobbybee wrote:
BookOwl wrote:
bobbybee wrote:
Alright, my 6502 will have a CHESSCONTROLER chip hooked up at memory address $4000. It is a complete chess playing integrated circuit whose only signal command is $FF which tells it to begin.

Program machine code (hex):

A9 FF 8D 00 00

5 bytes, ungolfed.
Hey, you have to hook up some peripherals for this challenge to make any sense.

I chose my I/O ports wisely.

Why don't you make your CHESSCONTROLLER chip watch the PC? Then you can just have:

EA

considered harmful

#8Aug. 13, 2015 21:45:52

Blank1234

Impossible programming problem #2

lol everybody its in the rules that chess ic's are not allowed

Did you know that “kaj” means “and” in Esperanto?

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#9Aug. 13, 2015 22:59:05

Hardmath123

Impossible programming problem #2

60 bytes:

0600: a9 07 8d 00 02 a9 02 8d 01 02 a9 06 8d 02 02 a9 
0610: 05 8d 03 02 a9 07 8d 04 02 a9 03 8d 05 02 a9 06 
0620: 8d 06 02 a9 09 8d 07 02 a9 06 8d 08 02 a9 07 8d 
0630: 09 02 a9 06 8d 0a 02 a9 0e 8d 0b 02

(It just prints out “resign”… I get credit for authentically-assembled 6502 source though!)

#10Aug. 13, 2015 23:19:20

bobbybee

Impossible programming problem #2

Blank1234 wrote:
lol everybody its in the rules that chess ic's are not allowed

That's…. pretty broad.

“Ooo, can I call you Señorita Bee?” ~Chibi-Matoran

#11Aug. 13, 2015 23:22:22

WooHooBoy

Impossible programming problem #2

You edited it to say that *after* we entered our programs :p

considered harmful

#12Aug. 13, 2015 23:26:01

bobbybee

Impossible programming problem #2

WooHooBoy wrote:
You edited it to say that *after* we entered our programs :p

*blinks*

“Ooo, can I call you Señorita Bee?” ~Chibi-Matoran

#13Aug. 13, 2015 23:26:55

Blank1234

Impossible programming problem #2

i have to make this harder next time

Did you know that “kaj” means “and” in Esperanto?

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