Search found 263 matches
- Thu Dec 31, 2020 11:59 pm
- Forum: ZX Spectrum Lounge
- Topic: ZX Uno for the MEGA65
- Replies: 2
- Views: 2476
Re: ZX Uno for the MEGA65
Thanks... that chick doing the narration is super creepy - like AI generated creepy! (Uncanny valley)
- Sat Dec 26, 2020 8:32 pm
- Forum: WANTED
- Topic: SD card reader for ZX81
- Replies: 16
- Views: 25365
Re: SD card reader for ZX81
The expansion options are awesome, but my dream is to have what looks like a microdrive but is really an SD reader. I'm on KS2 for a Next, but still like the old hardware to run my code on just to show myself it can.
- Fri Dec 25, 2020 9:36 pm
- Forum: Hardware
- Topic: ZX81 mods: USB power, CVideo, 32K, MP3
- Replies: 7
- Views: 9272
Re: ZX81 mods: USB power, CVideo, 32K, MP3
Brilliant mods!
USB power sounds ideal. Are the fuse and zener required for that to work?
Thanks!
USB power sounds ideal. Are the fuse and zener required for that to work?
Thanks!
- Tue Sep 29, 2020 8:27 pm
- Forum: Development
- Topic: "Extreme" 1k programs for ZX80 and ZX81: starter kit
- Replies: 15
- Views: 26566
Re: "Extreme" 1k programs for ZX80 and ZX81: starter kit
IOS emulator is cool! Happy to contribute our "Zonkey Kong" to it when we have it done (by end of Oct I think?)
- Mon Sep 28, 2020 7:07 pm
- Forum: Development
- Topic: What am I missing? - Calling RND from assembly.
- Replies: 17
- Views: 12824
Re: What am I missing? - Calling RND from assembly.
Thanks.. debugging the elevator. I've got variables for both elevator and player, so rather than do in either move routine, this runs and does a compare on both variables. The player rides up, but stops early. Not sure why yet. When we have this in the can, I want to try my hand at hirez Robotron.
- Sun Sep 27, 2020 10:03 pm
- Forum: Development
- Topic: What am I missing? - Calling RND from assembly.
- Replies: 17
- Views: 12824
Re: What am I missing? - Calling RND from assembly.
Thanks! That 1k Hi rez example is great - game premise is good too! Next thing I'd like to learn, if ya'll are willing to guide or example is how to do an object array. I'm assuming this is the best way to track multiple objects, and move them? In our Donkey Kong example (Zonkey Kong as we call it)....
- Sat Sep 26, 2020 9:57 pm
- Forum: WANTED
- Topic: Speccy in good cosmetic condition? (USA)
- Replies: 0
- Views: 9344
Speccy in good cosmetic condition? (USA)
I don't need it working, just would like a pretty one for the shelf. I dreamed of one as a kid, but they weren't sold here. Would like a nice looking one for the shelf - I'm in line for a NEXT in KS2!
TIA
TIA
- Sat Sep 26, 2020 9:54 pm
- Forum: Development
- Topic: What am I missing? - Calling RND from assembly.
- Replies: 17
- Views: 12824
Re: What am I missing? - Calling RND from assembly.
Thanks Will do... - Where's the "new games" topic? Managed to get things working by moving the code around a little and just using the LD A,R and masking bits. Not toooo bad. Will def. check out other examples as I'll need better methods at some point. The result of all this will be a reasonable int...
- Thu Sep 24, 2020 2:56 am
- Forum: Development
- Topic: What am I missing? - Calling RND from assembly.
- Replies: 17
- Views: 12824
Re: What am I missing? - Calling RND from assembly.
Thanks... still getting same value if I call it in near succession. If I call further apart in the code it work fine though. Hmm.
- Tue Sep 22, 2020 4:54 am
- Forum: Development
- Topic: What am I missing? - Calling RND from assembly.
- Replies: 17
- Views: 12824
What am I missing? - Calling RND from assembly.
So, I want to something very simple. I want a random int from 1-3 on the ZX-81 - In basic it might look like (RND *3)+1 - In Assembler, My understanding is would do this: - LD HL,$03 - CALL $0BED - LD A,L Then A would have my number in it. I've tried other methods like - or others using R: LD A,R LD...