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Loading the display with data from memoryTrying to load part of the screen(4k's worth) with data from memory location 53000, I've written this routine, but it doesnt work... [I]ld b,4000 ld…
... 595817]*waits for someone to suggest an unrolled POP/ ... more memory than the data it's trying to copy* :roll: : ... is complete it goes to the next 256 boundary ... loop of 25 times to complete 250 bytes transfer ...
This is the fastest (and more complex) method. -
New compression method: Exomizer 2After I finished working on optimizing aPLib's decoder, I was told that pucrunch did compress better, and while looking for info about pucrunch (it t…
... ? Can you work your way through the data from the beginning, decompressing ... of data, extract it to a (blacked-out) screen, copy some level data into ... .
BUT - LZ77 works that way it replaces sequence of bytes ... -
The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…
... If you want to use character-specific colour data copied from somewhere ... else in memory, then it takes longer to copy ... a byte than just to write it with ... every TV picture. The only way you can time an effect ... -
Spectrum +3, yes..another one.Right..well just bought one, and its working!:) But I have no idea what to expect from the disc drive. Ok i fire her up..red light comes on...****lo…
... in recovering some of the data. Since there are no Timex ... FDD emulators I had to find a way to extract the files from ... TOSDOS that allows you to copy TOS files to MSDOS and MSDOS files ... find it anymore) was able to copy TOS disks.
I got ... -
ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... this will help to better understand the ISO-Copy 1/2 and ... 70400652/ISO-Copy/ISOCOPY1%20raw%20data.jpg"]here[/URL] the way I ... think a pure data block is the best way to get this for ... preservation purposes and for tape data representation ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... entire video file and copy it to another area (let's ... of playing temp non-fragmented data? At the end of ... ;]), so there is no way to say esxdos 'create new file ... or not and try to copy it again and again ... formatted, then why not to copy whole CF as a process ... -
ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... here.
[QUOTE]iso-copy all versions working[/QUOTE]
data block.
[URL="http ... .dropbox.com/u/70400652/ISO-Copy/3wavs.jpg"]Three wavs compared ... ]Still can't find a way to get them working on both ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... time.
The quickest way to change HL that I can ... pixels, and using this technique to copy from each in sequence before ... could devote more memory to techniques rather than data.
... just as much data, but fractionally faster to do LD_SP,IY ... -
Moving a line down the display in assembler?...It's not a "[I]how can I do it[/I]" question, it's more a "am I missing something in trying to do it a new way" kinda question. What I've been doing…
... fastest way of going down when drawing sprites which I know is to ... position)
;DE-sprite data
LD ... /> LD A,L ;go to next char
ADD A ... /> LD A,L ;go to next char
ADD A ...
In the similar way you make 8 routines for ... -
Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... rough aproximation and dithering to reduce it to 2 colours.[/quote]
way to choose the palette.
to be able to get the data out. Unfortunately I ... don't have a copy ... -
Trivial Pursuit Question Packs RevisitedHi folks, As we're getting stuck into loaders and getting some nice TZXs out of them, I stumbled across an old thread in addition to an infoseek sea…
... before I own a copy of TP: A New ... about my intention to compare it to the just converted ... 2 is completely different to the one converted along ... questions were rearranged some way to shape in shorter blocks. ... done. Mine seemed to contain level data of around 8~ ... -
64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…
... the stack pointer from left-to-right, to copy up a line in ... , which is to POP HL from the source data then LD (NN ... LD instead of POP to fetch the data from a buffer.
fastest operations (PUSH) fill right-to-left when, to stay behind ... -
Play command on divideHi, i thought I'd have a quick go on divide seeing as i had an afternoon spare.However,i can't seem to get the 'play' command on the screen?. It see…
... you find a way to hook it up to BASIC or did you ... />
I just wanted to send MIDI data using the existing PLAY ... machine code, but I had to copy the assembly; no problem with ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... its not enough just to learn to write a game but ... this was the usual way that game houses coded ... not to spread understanding but to show some technique to the ... seem to figure out a way to apply the mechanics to both ... it was just a way to test it at first.< ... -
Custom Spectrum ROMS with modified system fonts?Some of the more memory efficient adventures used the default Spectrum font in order to save bytes for the adventure itself. Level 9 in particular ju…
I managed to work out a way to modify the ROM ... the debugger and using "Copy Memory Block" don't ... Data.
4. Right-click in the area again and choose Copy to ... box.
6. Click on Copy.
7. Select Tools ... and check "Allow Assembly to ROM".
A. ... -
Custom Spectrum ROMS with modified system fonts?Some of the more memory efficient adventures used the default Spectrum font in order to save bytes for the adventure itself. Level 9 in particular ju…
... 646576]I managed to work out a way to modify the ... the debugger and using "Copy Memory Block" don't ... Data.
4. Right-click in the area again and choose Copy to ... .
6. Click on Copy.
7. Select Tools ... and check "Allow Assembly to ROM".
A. ... -
Something that just occured to me (Windows 8 related)Even though personally I probably won't be putting Windows 8 on any of my PCs, as it offers no real advantage for me, I have to keep my hand in with …
... liscencing and the idea of "copy left". Copy left - write your own ... a fundamental problem of trying to store data in a limited amount ... attempts to balance disk usage distribution out in such a way ... defragmenting tools that allow you to rectify the issue (that ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... section of program as opposed to graphics data etc
org 33000 ... to be done before returning to BASIC
;return score to BASIC
Copy ... display.
The complicated way is the Display file, from ... . This points to a third of the way along the top ... -
BRAND NEW VTX 5000 MODEMSI have for disposal a number of BRAND NEW BOXED PRISM VTX 5000 Modems If tou would like to add one or more VTX 5000 modems to your Sinclair ZX Colle…
... We managed to find a copy of the "User to User" Cassette ... Again we have no way to check it as yet ( ... he tells me that a copy of the "Dialsoft" ... run in the usual way. To return to
the menu ... 5.1 Data transmission: 8 bit data (even parity)
Data rate: ... -
Coding for 128kHi all, I wonder if anyone can suggest any useful reading/threads/examples on the fundamentals of 128k coding. Chapter 24 of the +2 manual has prov…
... like and am planning to use often in regular ... br />
The easiest way to use the extra memory is ... uncompress the current level data (map+gfx) to main RAM, then ... buffers and the code to copy them from other RAM ... in another RAM page to copy stuff is a piece ... -
Disciple troubleAnother day, another problem. While waiting for my 16-to48K upgrade chips to arrive, I tried to bring my Disciple back to life, which I just bought a…
... Currently the Disciple is connected to a Spectrum+, so I ... file and used Samdisk to copy it to a real 3.5 ... , some programs I wanted to create a snapshot from, ... br />
By the way: Is there any kind of ... One more thing, the "Sector data lost" I mentioned in #19 ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... However it would increase every data compressed block by 2 bytes ... Coding" there would be no way to ommit these bits:
< ... increase compressed data, is exactly what I was trying to avoid. ... data blocks (for instance one for each level) and just one copy ... -
Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
...
So a simple way to exploit the extra memory is ... gone and paged out your data library.
... quick, despite having to swap banks between reads ... not the most efficient way to design a game, but ... to always be available and always have the fastest ... -
Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... br />
test seems to be working but i am ... not ram, pages, data line and data adrress,ram banks...
way to see what ram chips are ... that is necessary ram to boot up the spectrum?< ... editor and copy it more 3 times in order to fill ... -
Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... not ram, pages, data line and data adrress,ram banks...
way to see what ram chips are ... that is necessary ram to boot up the spectrum?< ... and copy it more 3 times in order to fill ... ?
is there any way to identify that faulty ram ic ... -
BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... might well be a neater way to do it.
I ... ": COPY "f?.*" TO "b:": COPY "a:" TO "b:"
16 COPY "f1" TO SCREEN$: COPY "f1" TO LPRINT: COPY ... "f1" TO SPECTRUM FORMAT
17 DATA 1 ... -
ZX-Assembler in progress...Dear readers, I just want to announce that ZX-Assembler is not longer only an idea in my mind. It's just alive. Unfortunately, it's too early to mak…
... presented as assembler comands while data would be .BYTE strings ... [/QUOTE]
Yes, definitely. Copy and paste will be available ... Yes, indeed. We need a way to tell the assembler reinterpreter what ... grid, even if the data has to be displayed as graphics ... -
need some WinXP disk recovery adviceMy desktop PC gave a "SMART failure predicted" error on drive C: during startup the other day. It's still working, although occasionally it takes a l…
... copy from a 20gb to a 40gb took three hours, by the way ... br />
3 hours to copy a 20Gb drive ? - PING ... will restore 20Gb of Data onto a 250Gb Drive ... 2 stick. For a copy to take anything like that ... been struggling, presumably, to read the data. If its a ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... bit of screen data.
Also, the only way to "disengage" the ... 007 system (via hardware) appears to be ... We just have to copy the ROM SAVE routines to high RAM, then ... also need to do the same for the character data. Our ... -
Spec dev in the eighties and ninetiesWhat different ways were there of making speccy games? There is the 'worst' way which is typing in hex commands in Basic unreadable, easy to make m…
... codes in as DATA statements in the mid to late eighties, ... I invested in a copy of LERM Z80 Toolkit ... putting the finishing touches to Egghead, so all subsequent ... graphics, screen data et al had to be loaded in ... , I still had no way to create tape files so when ...
