 Megazeux CHIP-8 Emulator, ZOMG EMULATION! |
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 Nov 24 2005, 11:33 AM
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 Doesn't look edible.  Group: Members Posts: 148 Joined: 25-May 02 From: Torrance, CA Member No.: 594  |
CHIP-8 is a virtual machine made in the 1970s for use with the RCA TELMAC-1800 and COSMAC VIP computers. It was mainly used to make games, and it is rumored that it was originally made to show off the graphics of those computers (even though they're 64x32 black and white PIXELS!)
And here be a CHIP-8 emulator for Megazeux, with a few games included: - BRIX (Breakout clone) - KALEID (Weird graphics type of thing) - PONG (Obvious) - PUZZLE (One of those sliding puzzle things) - PUZZLE2 (Another version of PUZZLE) - SYZYGY (Nibbles clone...ish) - UFO (Shoot the white blobs!) - WIPEOFF (Plinko?) EDIT: The CHIP-8 emulation uses the left 16 keys on the keyboard (1, 2, 3, 4, Q, W, E, R, A, S, D, F, Z, X, C ,V)
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Nov 24 2005, 11:49 AM
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#2
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 Veteran Member Group: Members Posts: 1,769 Joined: 7-March 01 Member No.: 332 |
Just got finished searching with Google and found a small cache of games for the Chip-8. Some are already present in the download from Mr_Alert though. Amongst them is Space Invaders.
This post has been edited by Frobozz: Nov 24 2005, 11:51 AM
Attached File(s)
-------------------- <imoutomoe> Thank you for flying EsperNe--OH GOD WE'RE GOING DOWN!
<lolilover> i once made a compression tool that made my files bigger <lolilover> also you couldn't decompress them |
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Nov 24 2005, 12:14 PM
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#3
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Doesn't look edible. Group: Members Posts: 148 Joined: 25-May 02 From: Torrance, CA Member No.: 594 |
QUOTE (Frobozz @ Nov 24 2005, 03:49 AM) Just got finished searching with Google and found a small cache of games for the Chip-8. Some are already present in the download from Mr_Alert though. Amongst them is Space Invaders. Some of those games are SuperChip games that aren't supported by my emulator. SuperChip has a higher resolution of 128x64, and that's the main reason why it isn't supported yet. It's easier to use half-chars than it is to use a lot of chars and manipulation and such, especially if there isn't any video memory outside the displayed thing. -------------------- ?
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Nov 24 2005, 01:30 PM
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#4
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 LOLOLOLOLOLOLOL  Group: Elite Posts: 3,503 Joined: 4-May 02 Member No.: 538 |
Very cool, Mr_Alert... At least, better than those Brainfuck interpreters. xD
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Nov 24 2005, 02:29 PM
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#5
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 <3 Group: Members Posts: 866 Joined: 20-May 05 From: Ohio, USA Member No.: 1,378 |
Nice work. I've never heard of Chip-8 before, or let alone knew there were home computers or gaming systems in the 1970s.
--------------------   --VinceP :D |
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Nov 24 2005, 08:53 PM
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#6
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Doesn't look edible. Group: Members Posts: 148 Joined: 25-May 02 From: Torrance, CA Member No.: 594 |
QUOTE (VinceP @ Nov 24 2005, 06:29 AM) Nice work. I've never heard of Chip-8 before, or let alone knew there were home computers or gaming systems in the 1970s. Well, they were hobbyist kits and such. -------------------- ?
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Nov 24 2005, 09:05 PM
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#7
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 End Group: Members Posts: 6,630 Joined: 15-November 01 From: US, NC Member No.: 105 |
This is awesome =D
-------------------- insert giant silly koji sign here.
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Nov 24 2005, 11:08 PM
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#8
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 No furry sex Group: Members Posts: 1,548 Joined: 14-July 02 Member No.: 630 |
Now make a 2600 emulator.
--------------------  Why-Fi: but I'M MATURE ENOUGH TO BE A MODERATOR!!!!!!!!!! |
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Nov 24 2005, 11:23 PM
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#9
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 Senior Member Group: Members Posts: 832 Joined: 5-June 05 From: Computer :D Member No.: 1,385 |
It is hard to work with, I can't really understand it =(
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Nov 25 2005, 05:03 AM
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#10
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Doesn't look edible. Group: Members Posts: 148 Joined: 25-May 02 From: Torrance, CA Member No.: 594 |
New version with register status stuff, settings dialog for timing, emulation speed indicator (reduce the refresh rate if emu speed gets low), and bugfixes.
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Nov 25 2005, 11:01 AM
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#11
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Veteran Member Group: Members Posts: 1,769 Joined: 7-March 01 Member No.: 332 |
Its strange, but I've always like messing with programs that have limitations. So naturally, I've gotten to like the Chip-8. But I'd like to do more than play games made on it, I'd like to take a stab at making a game myself.
Mr_Alert pointed me towards a site containing a brief list of the instructions that the Chip-8 handles (along with a few for the Super variant). Obviously this is very helpful, but I don't want to have to use a hex editor to code games. So I did some more browsing and came up with two utilities. One is an assembler and the other is a disassembler. I've uploaded a zip containing both utilities as well as a copy of the page listing the instructions. This should keep somebody busy. Edit: Here is the assembly to one of the simpler programs for the Chip-8. A program that randomly generates a maze.  CODE code0004:
mvi data0003 random v2,1 skeq v2,1 mvi data0004 sprite v0,v1,4 add v0,4 skeq v0,64 jmp code0004 mov v0,0 add v1,4 skeq v1,32 jmp code0004 code0002: jmp code0002 data0004: db #80 db #40 db #20 db #10 data0003: db #20 db #40 db #80 db #10 This post has been edited by Frobozz: Nov 25 2005, 11:14 AM
Attached File(s)
-------------------- <imoutomoe> Thank you for flying EsperNe--OH GOD WE'RE GOING DOWN!
<lolilover> i once made a compression tool that made my files bigger <lolilover> also you couldn't decompress them |
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Nov 25 2005, 03:52 PM
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#12
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<3 Group: Members Posts: 866 Joined: 20-May 05 From: Ohio, USA Member No.: 1,378 |
That's the entire program for a random maze? Pretty simple.
-------------------- --VinceP :D |
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Nov 25 2005, 05:37 PM
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#13
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 "axe" me a question Group: Elite Posts: 2,658 Joined: 23-June 05 From: Getoiled, MD Member No.: 1,394 |
i played them all. they were fun. excellent show.
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Nov 27 2005, 02:50 AM
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#14
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Veteran Member Group: Members Posts: 1,769 Joined: 7-March 01 Member No.: 332 |
In order to further aid in development for the CHIP-8, I've written a FreeBASIC program that converts MegaZeux CHR files into CHIP-8 assembly data statements. I've tested both normal and partial character sets and both work.
There is only one problem - it seems the assembler I've got cannot handle the vast number of "symbols." It dies at number 3,825 for me.
This post has been edited by Frobozz: Nov 27 2005, 02:50 AM
Attached File(s)
-------------------- <imoutomoe> Thank you for flying EsperNe--OH GOD WE'RE GOING DOWN!
<lolilover> i once made a compression tool that made my files bigger <lolilover> also you couldn't decompress them |
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