Search found 178 matches

by TMAOne
Thu Nov 22, 2018 7:55 am
Forum: Software
Topic: 2k adventure
Replies: 26
Views: 6526

Re: 2k adventure

I took a different approach. I'm a firm believer that programs should be bullet-proof and robust. But Adventure games are a challenge, especially when limiting oneself to 2K! So I tried for 4 rooms and 4 feature items. In the end it's more like 3K. Anyone care to pare it down with more of that PI/PI...
by TMAOne
Tue Nov 20, 2018 6:17 am
Forum: Software
Topic: 2k adventure
Replies: 26
Views: 6526

Re: 2k adventure

I also read the machine code articles for the zx81 and need the basic equivalent of LDIR, ADD and RET, if you could help with that, I'd be grateful Hmm. Not sure where you're going with this, and I'm not terribly Z80 assembler literate, but I'll take a poke at it. (Whoops,... THAT was a poor choice...
by TMAOne
Tue Nov 20, 2018 3:44 am
Forum: Software
Topic: 2k adventure
Replies: 26
Views: 6526

Re: 2k adventure

I honestly can't tell whether that's sarcasm or appreciation :?: Oh it was meant as applause for tackling a difficult project, definitely. Text is a bear when it comes to RAM, and 2K is not much for any code, let alone an adventure game. I think it's an intriguing prospect. How good can you make it...
by TMAOne
Mon Nov 19, 2018 11:19 pm
Forum: Software
Topic: 2k adventure
Replies: 26
Views: 6526

Re: 2k adventure

Wow, that's a pretty high hurdle you've set yourself to. Adventure in 2K,... not easy. :D
by TMAOne
Wed Nov 14, 2018 4:33 am
Forum: Hardware
Topic: ZX81 rebuild
Replies: 175
Views: 29515

Re: ZX81 rebuild

Congratulations on a very neat job Lardo Boffin. I just love a happy ending.

Now that tape scrubber prototype needs to find its way back to you so you can try loading your problematic cassettes with this machine. :)
by TMAOne
Wed Nov 14, 2018 4:24 am
Forum: Hardware
Topic: Why was Sinclair selling UK model ZX81s in the USA?
Replies: 9
Views: 2316

Re: Why was Sinclair selling UK model ZX81s in the USA?

I'm sure gammaray is right about the molds. If you look at the pictures on eBay of the "UK" model that the OP linked to, it has a visible outline showing where the cutout would be for a VHF implementation. Two flavors, one (or more) configurable mold. All my cases show some kind of outline in the ot...
by TMAOne
Wed Nov 07, 2018 6:17 am
Forum: Sinclair Misc
Topic: How bad was the wobble on the zx81
Replies: 19
Views: 4663

Re: How bad was the wobble on the zx81

1. How did the wobble effect the zx81 and how was it fixed Yes, the wobble was really bad, and it could and would easily wipe out your laboriously pecked-in program in an instant, leaving you with only The White Screen of Death. :evil: I think there were almost as many "solutions" to this problem a...
by TMAOne
Sun Nov 04, 2018 3:27 am
Forum: Software
Topic: Requesting Help to Load a .WAV file.
Replies: 14
Views: 3947

Re: Requesting Help to Load a .WAV file.

Andy Rea wrote:
Sat Nov 03, 2018 9:48 pm
wasn't me... Sir Morris also wrote the tape scrape program...
Whoops! Sorry Sir Morris!
I'll go drive ZX81's under my own fingernails now.
by TMAOne
Sat Nov 03, 2018 6:34 pm
Forum: Software
Topic: Requesting Help to Load a .WAV file.
Replies: 14
Views: 3947

Re: Requesting Help to Load a .WAV file.

Yah,... I tried, but I can't "un-clip" the waveform. It needs to be re-recorded.

The good news is that it's pretty clean otherwise. Just a lower volume setting will fix it.

Ian
by TMAOne
Mon Oct 29, 2018 7:24 pm
Forum: Software
Topic: Requesting Help to Load a .WAV file.
Replies: 14
Views: 3947

Re: Requesting Help to Load a .WAV file.

Interim report,... I had thought that with my Scrubber-Dubber, ZXpand, and Andy's ingenious little tape scraper program I could do this ease, but I can't seem to load from that file either. Looking at the .wav file with Audacity (free PC software), it is severely clipped. Sounds good to the ear, but...