-
I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…
... it is funny going back and seeing Simon Pegg, Bill Nighy and ... -
Design Design / Crystal ComputingNice post on [URL="http://groups.google.com/group/comp.sys.sinclair/browse_thread/thread/56e6ebdedc6930ac#"]comp.sys.sinclair[/URL] about [URL="http:…
... one)
If he (Simon) didn't know the authors ... documenting some code so be back later,
Rob ... -
Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... video playback a few months back (March, apparently - argh, time flies ... issue by placing a 512-byte header at the start of ... 's second screen as a back-buffer, so the pixel data ... -
Which emulator do you use?Note it's not a poll about which emulator you think is best*. Simply which emulator you tend to use. You can vote for multiple emulators if you, like…
... flag-byte and without
checksum byte
1 byte - flag byte (00 ... original ZX tape
1 byte - checksum ---
next ... alternative snapshot formats were around back then, I remember using ... -
Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... to be closed to go back to the converter. This makes ... prompt, instead of simply going back. One example is when I ... />
Importer says 'Needs 6912 Byte' instead of 'Bytes"
Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... to be closed to go back to the converter. This makes ... prompt, instead of simply going back. One example is when I ... ]
Importer says 'Needs 6912 Byte' instead of 'Bytes"
[/QUOTE ... -wise, as the objects are byte-oriented. Especialy colour tiles can ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... allowed for 256); in Back to Skool, the skool ... sprite slots.
Back to Skool used two main ... in memory (using a 256-byte "mirror" lookup table) ... ' skool).
Back to Skool also used a ... text strings at 32-byte or 16-byte intervals, and used ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... ]
Both Skool Daze and Back to Skool store the masks ... calculate a mask?)
Back to Skool's graphic-related ... +1[/I] bytes (the first byte being the width).A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... A,H ; add original high byte
LD H,A; ... now points to required screen byte
PUSH HL
... /> POP HL ; retrieve pointer screen byte
OR (HL) ... star byte
LD (HL),a ; replace result back on ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... A,H ; add original high byte
LD H,A; ... now points to required screen byte
PUSH HL
... /> POP HL ; retrieve pointer screen byte
OR (HL) ... star byte
LD (HL),a ; replace result back on ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... A,H ; add original high byte
LD H,A; ... now points to required screen byte
PUSH HL
POP HL ; retrieve pointer screen byte
XOR (HL) ... star byte
LD (HL),a ; replace result back on ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... A,H ; add original high byte
LD H,A; ... now points to required screen byte
PUSH HL
POP HL ; retrieve pointer screen byte
XOR (HL) ... star byte
LD (HL),a ; replace result back on ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... A,H ; add original high byte
LD H,A; ... now points to required screen byte
PUSH HL
POP HL ; retrieve pointer screen byte
XOR (HL) ... star byte
LD (HL),a ; replace result back on ...One hit wonders from bands that have disappearedI used to love Independent Love Song" by Scarlet, when it came out. [url]http://uk.youtube.com/watch?v=c7dyXfHcYw8[/url] Still think it's a crackin…
... number one largely on the back of its promotion by Mark ... it to the attention of Simon Mao who played it on ...One hit wonders from bands that have disappearedI used to love Independent Love Song" by Scarlet, when it came out. [url]http://uk.youtube.com/watch?v=c7dyXfHcYw8[/url] Still think it's a crackin…
... number one largely on the back of its promotion by Mark ... it to the attention of Simon Mao who played it on ...CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
Not good, hang in there Simon and bring it back when it's more financially viable.
Until then, (to paraphrase Brucie and Tess) keep posting...I've been wondering...The Spectrum, CPC, and Apple II had no hardware sprites, so what were those 2D objects in their games?
... tough one. I owned one back in 1985 after a friend ... memory is PORT accessed, a byte a time.
The ...ANNOUNCE: JSW64: Flash Manic MinerI am delighted to announce the gamma-release of [b][i]JSW64: Flash Manic Miner[/i][/b], which is available as a free download from [url]http://geocit…
... tried it both ways back then." I believe he ... were originally the Bug-Byte logo, so I changed ... changes between the Bug-Byte and Software Projects editions ... that resembles the Bug-Byte logo much more closely ... thresher of the Bug-Byte edition to the impossible ...Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…
... ;OUT:
; B=Hight byte of keyboard port
; A ... LD A,E ; VALUE BACK TO A
LD ... ADD A,D ; lower byte of table
LD ... /> LD H,#02 ; higher byte of table (#0205 for now ...Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…
... ;OUT:
; B=Hight byte of keyboard port
; A ... LD A,E ; VALUE BACK TO A
LD B ... ADD A,D ; lower byte of table
LD L ... /> LD H,$02 ; higher byte of table ($0205 for now ...Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... above 0 it will go back to the label ".loop" ... hits 0 it stops jumping back and the code continues.< ... 'jr' instruction will keep jumping back to the .loop label. Since ... , until you hit a byte that is set to 0x00 ... case, when you encounter a byte that is zero, the ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... bit and then read it back, it looks absolutely fine ... be). Testing the same byte will never detect that ... do this by setting a byte to 10101010 (0xAA) ... pattern, and then read back. Then do it again ... inversion pattern, then read back some number of minutes later ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... so I'm not going back in until tomorrow. Think I ... come back into the room two hours later, then the failed byte ... BIT of the last faulty byte found (see screenshot below).
CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
... a Cronosoft title, I respect Simon for taking a risk and ... ..
If it was back in the day, I would ... /> I personally don't think Simon would announce plans to close ...CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
... commercial venture.
What Simon makes he gives a cut ... copying, printing etc.
Simon hardly makes anything from it ... post etc, he doesnt claim back the money for these/or ...
Top marks to Simon for keeping Cronosoft going for ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... your source code. A while back, I'd spent some time ... above version and then every byte right up to $FFFF is ...CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
... to see is people like Simon, Rich Mellor, Jonathan Caldwell, Jonathan ... them a pat in the back, which is not the case ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... on some of them further back in this thread and I ... . Although, I never heard anything back just yet. Guesser supplied me ... in Spain). Except a single byte is different from the Ram ...CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
... particular are of interest to Simon and he should study them ... I usually take a step back, do the deep breath routine ... thus stay around. I feel Simon is being lazy about it :)ZX81 tape formatIs there a description of it somewhere? The TZX format doesn't give it but can it be worked out from what it says about block 19? There is a good d…
... you're looking for is Simon:
[url]http ... In either case, the last byte of a (clean) file ... 80h (ie. the last byte of the VARS area), not ... Bits and Bytes
Each byte consists of 8 bits (MSB ... , directly followed by the next byte. A "0" bit consists ...
