Search found 542 matches
- Mon Nov 03, 2014 10:20 am
- Forum: Software
- Topic: Rom hex file help
- Replies: 59
- Views: 26087
Re: Rom hex file help
You're absolutely right ! Apologies for having increased the entropy :/ I just discovered that EightyOne had and probably still has a small timing bug (1T difference probably raising from the Z80 emulation engine) which could have been a good reason to patch the original ROM. I'm curious now, prehap...
Re: AZMIC ROM
"The other issue of the sloping display is the kind that gives my nightmares... I have a 1-T error in my z80 core somewhere that Azmic has just discovered. MikeW Uh, wow.. this explains few things on the difficulties I was having to get a stable display with some z88dk program, expecially when work...
- Sun Nov 02, 2014 12:35 pm
- Forum: Hardware
- Topic: Chroma 81 - SCART and Colour interface for the ZX81
- Replies: 158
- Views: 98465
Re: Chroma 81 - SCART and Colour interface for the ZX81
For those who may be interested.. the default text mode on z88dk is "case sensitive", which means it uses the normal characters for the lowercase characters and the inverted mode for the uppercase stuff. This came after a Siggi's suggestion trying to squeeze the maximum from the console and being ab...
- Sat Nov 01, 2014 9:37 pm
- Forum: GAMES
- Topic: DarkStar 2
- Replies: 70
- Views: 52391
Re: DarkStar 2
While you're on it, could you try the 'vanilla' version on the real hardware and confirm the video picture is stable on a tv ?
- Fri Oct 31, 2014 7:42 pm
- Forum: Software
- Topic: Rom hex file help
- Replies: 59
- Views: 26087
Re: Rom hex file help
Yes, also the europe/america diode trick is great !
About the ROMs.. I don't think they're tweaked, my impression is that h4th was for a 60hz raster only while aszmic was for 50hz only.
At least it's the way EightyOne behaves.
About the ROMs.. I don't think they're tweaked, my impression is that h4th was for a 60hz raster only while aszmic was for 50hz only.
At least it's the way EightyOne behaves.
- Fri Oct 31, 2014 6:16 pm
- Forum: GAMES
- Topic: More games from Kabuto Factory
- Replies: 2
- Views: 1732
Re: More games from Kabuto Factory
I like Zombie Terror.. looks quite simple but it is very well presented.
- Fri Oct 31, 2014 6:08 pm
- Forum: GAMES
- Topic: DarkStar 2
- Replies: 70
- Views: 52391
Re: DarkStar 2
Hmm.. sorry !
Try using 'm'
Try using 'm'
- Fri Oct 31, 2014 2:58 pm
- Forum: Software
- Topic: Rom hex file help
- Replies: 59
- Views: 26087
Re: Rom hex file help
Interesting indeed ! I also noticed that with EightyOne, even if possible, is not easy to understand that you can run zx81 ROM on a ZX80: It was an official retrofit, even if it couldn't go in SLOW mode. I suspect that the G007 was able to run on a retrofitted zx80 since it patches both the FAST and...
- Fri Oct 31, 2014 11:10 am
- Forum: Hardware
- Topic: Chroma 81 - SCART and Colour interface for the ZX81
- Replies: 158
- Views: 98465
Re: Chroma 81 - SCART and Colour interface for the ZX81
Love the colourization trick !
I suppose you had a thought about supporting some kind of lambda compatibility, is it just still not present or it has been avoided for specific reasons ?
I suppose you had a thought about supporting some kind of lambda compatibility, is it just still not present or it has been avoided for specific reasons ?
- Fri Oct 31, 2014 10:23 am
- Forum: ZX Spectrum Lounge
- Topic: ZX Spectrum - Multi I/O Board - NEW
- Replies: 2
- Views: 6129
Re: ZX Spectrum - Multi I/O Board - NEW
The best known DAC audio application for the Spectrum was the SpecDrum. Someone was able to change its output ports and redirect to the Disciple printer port with the "Covox" style DAC on it. The digital outputs could perhaps be driven by my program for the "Psychedelic Lights", provided you build a...