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Showing results for tags 'tutorials'.
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Glad to show an emulated MAC/65 environment with DDT, that can be use from a web page when you want to do some assembly in your free time : https://eahumada.github.io/AtariOnline/mac65/mac65-mame.html Example: ENTER #D:SPRITE1.LST ASM DDT G 500B (You can use the numeric keypad as joystick and some times when you have a game-pad and MAME recognize that is connected you can move the sprite) Sadly, JavaScript MAME is not an accurate emulator, but I have the hope than in the future some other JavaScript/WebAssembly emulator emerge (jsAtari800 maybe? jsAltirra?) to allow to publish Atari interactive 8-bit content Here is the page for the work in progress Project, please feel free to fork and use to create your own content: https://eahumada.github.io/AtariOnline/ Credits to '@8-bit and more' for the inspiration, when I see his videos I don't have and Atari with Mac65/DDT cartridge at hand, then I get this idea and also thinking how the authors of 8-bit content can share their creations live online, for teach and learn 6502 Atari programming. -
Hello, AtariAge! This is my first post on here, although I have been benefiting from all the information from this amazing community for a while now (and I just realized I should have posted this in the newbie section). My dad had an Atari 2600 when he was a kid, and he still had it while I was growing up. We had quite a few games, but we ended up losing them in a flood. About a year ago I got the Atari bug and ordered a bunch of games on eBay. I stumbled onto AtariAge and discovered that there are still people programming games for the system. I watched a lot of David Crane presentation videos and had a pretty good idea of how the games are actually made, but I haven't tried to make one until very recently. I have been programming since I was about 9. I started with BASIC, and learned Python, C++, and a bit of assembly. I am now preparing to begin writing my first game for the 2600. I have many ideas, but I will start with something simple first. I was thinking of making a snake game and perhaps a Nyan Cat game (yes, I know these have been done before). I have taken a look at the tutorials on this site ("2600 101" and "Collect") and ordered Racing the Beam and Making Games for the Atari 2600 on Amazon yesterday. Before trying to make a game, though, I wanted to make some super easy (or so I thought) mini-demos. I wanted to make a USA flag to learn how to use the playfield and players, but I was having a some very strange issues with the colors. I am using assembly language (not batari Basic), the DASM assembler, and the Stella emulator. I also ordered a Harmony cartridge for testing on a real system and *ahem* "research". So, aside from the "2600 101" and "Collect" tutorials, and Racing the Beam and Making Games for the Atari 2600 (and of course the Stella Programmer's Guide) is there any other material I should be reading or watching to help me out? Any tips for somebody just starting out? And are there any good 6502 manuals that you know of? I know simple 6502 assembly, but when I read other people's code I see a lot of commands that I don't know. Thank you for your time!
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Hello all, I'm currently teaching myself how to program the 2600 using the 8bit workshop tutorials. Currently, I am wondering how to slow down player movement. Here is the code I am currently using for player movement. ; Read joystick movement and apply to object 0 MoveJoystick ; Move vertically ; (up and down are actually reversed since ypos starts at bottom) ldx YPos lda #%00100000 ;Up? bit SWCHA bne SkipMoveUp cpx #2 bcc SkipMoveUp dex SkipMoveUp lda #%00010000 ;Down? bit SWCHA bne SkipMoveDown cpx #183 bcs SkipMoveDown inx SkipMoveDown stx YPos ; Move horizontally ldx XPos lda #%01000000 ;Left? bit SWCHA bne SkipMoveLeft cpx #16 bcc SkipMoveLeft dex SkipMoveLeft lda #%10000000 ;Right? bit SWCHA bne SkipMoveRight cpx #153 bcs SkipMoveRight inx SkipMoveRight stx XPos rts Normally, I am used to coding for the NES and I would be able to just DEX and NOP until the player slowed down, wondering what I would do here in this instance. Thank you! And here is a link to my current test project, took me all day yesterday how to figure out the 'ground' bit of playfield 2600 Test
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