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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 …
... and file. I must load the compressed frontend screen at ... therefore I need the decompressing routine to stay below that address ...
EDIT: By relocating the routine at 28900 and inserting this ... method. I also included its turbo loaded version (with Foraits ... -
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 …
... turbo blocks could be eliminated. They are generated by the saving routine ... t mean removing headers of turbo block, I mean removing ... />
replacing the first LOAD""CODE
[CODE]
... />
replacing the second LOAD""CODE
[CODE]
... -
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 …
... ld e, (hl) ; load offset flag (1 bit) + ... 10 ; bit marker to load 4 bits
... a, (hl) ; load another group of 8 bits ... simply choose one of the smaller/faster regular versions (Standard, Turbo ... -
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 …
... simply choose one of the smaller/faster regular versions (Standard, Turbo ... T-states):
[CODE] |Standard| Turbo | Mega |SmartRCS |SmartRCS
... standalone" in-place routine to convert from ... standalone" in-place routine to convert it ... -
Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…
... 'Add'. Close the debugger and load the game.
... debugger and let the screen load.
Now ... to load. And at the end of the routine you' ... enter CLEAR 25000 and load your saved binary file ... with zx7 and added a turbo loader. Side effect is ... -
Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…
... of view - is that the routine is quite long, 1500 bytes ... /> Its because its a LOAD and SAVE routine, with code to run ... it from basic using normal basic LOAD ... a standard basic LOAD command.
The smallest turbo loader I ... -
Biturbo 2 turbo loader now available for general useAfter tinkering with its code, extracted from a TZX of one of the infamous Italian S.I.P.E. "tape magazines" which published hacked games for the Spe…
... , which is programmed to load two turbo blocks in succession - usually ... command which starts the loading routine. Also remember to alter the ... Pilot length etc.) for each turbo speed data block as I ... of the Spectrum ROM loading routine are followed - "Prog" or ... -
Biturbo 2 turbo loader now available for general useAfter tinkering with its code, extracted from a TZX of one of the infamous Italian S.I.P.E. "tape magazines" which published hacked games for the Spe…
... should POKE to make the routine work.
Download the ... a small utility, BT2VALUES.TAP. Load BT2VALUES.TAP first and insert ... /> 10 CLEAR 39999
20 LOAD ""CODE
30 POKE 65340 ... the down left menu select "Turbo speed data". Alter the values ... -
Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... why can't you just load some register with that address ... poke an instruction there to load a register with the ... Suppose you wrote a complex routine that internally uses CALLs or ... routine is called directly from BASIC, not Assembly. Or you could simply ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... anymore! In Fuse, it's simply a 'disciple_memswap' variable that is ... pre-load image loaded into ROM.
[/LIST]
Very simply ... address #0000". (And then the routine described at #2001 is run ... #0000 and a.o. the routine at #0008 will be run ... -
Covertape speedloaderThere was a covertape (possibly YS) that had a speed loader / saver routine included on it. It stood out to me as I recall it had a counter on it, co…
... /> Its a reliable fast load/save routine and easy to use.[/QUOTE ... /> Ah yes, that's the Turbo Esprit one isn't it ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
...
pop bc ; abandon this routine call
jr .exit ; bail ... uses it to load a screen. The turbo block is a generalized ...
jp z,0x1b7b ; ROM routine indicating BREAK (code L)
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... until the loader did not load in Fuse, found the absolute ... accepted, yielding a turbo-loader that is ROM routine compatible!
turbo-loader, and load features later at turbo speeds. So ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... simply replace it with this:
[CODE]1 CLEAR VAL "23999": LOAD ... the CLEAR before relocating the turbo to uncontended memory, so ... )
[*]Load screen and game data (without corrupting turbo in high ... payloads, I've standardised the turbo at $bc00-bfff to ...What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... snippet I can use to load a (headerless or not) ... in my C games to load further levels from tape.< ... I could use the ROM routine (It would suffice, any ... for a routine :)
No need for turbo, or strange ... your assembly a small routine to copy and patch ...What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... on using the original ROM routine but... ?wouldn't that render ... to be because many games simply make a copy of that ... still expect your game to load without problems.Renegade Hit Squad Re-releaseI've found a problem with TZX included in file [url]ftp://ftp.worldofspectrum.org/pub/sinclair/games/r/Renegade(TheHitSquad).tzx.zip[/url]. The Spee…
... when disables all the Fuse LOAD tips & tricks, the problem ... , changing the ID block from turbo to standard and loads correctly ... is loaded using the standard LOAD rom routine.Troublesome routine, help needed!Having problems with this routine, it basically fires a rocket up the screen, but refuses to detect collisions. I'm using attribute blocks for detect…
... ]Having problems with this routine, it basically fires a ... ATTR value 1 but simply will not detect something ...
ld a,b ;load a with value of b ... /> ld (rx5),a ;load co-ords into print string ... call print ;call the print routine
pop bc
...Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…
... and as the emulator will simply be writing to stream to ... as 48K Spectrum + IF1 then load my snapshot, IF1 isn't ... thought was to have a routine to write log data to ...Turbo save?I'm doing some experiments with turbo loaders, and I don't know how to save turbo blocks on virtual tapes. Spectaculator and fuse don't seem to save…
... m pretty sure that the routine is based on the ... you do this by adding turbo data, this will append ... you were originally using LOAD "" CODE to load, converted to the ... main block of code to turbo (there's also some ... it's just a load of pretty flashing squares :)Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... a standard load in one part rather than the original turbo loader ... />
Where did the compression routine reside when doing this one ...Skool Daze & Back To Skool discussionFollowing my video of Back To Skool ( [url]http://youtu.be/4K2ZUkTOT0g[/url] ) I just wanted to see if these two games are still fondly remembered b…
... long it had left to load by counting the blocks in ... load it at all (as well as all other games that turbo ... multiface snapshot so I could load it at normal speed...
simply not there when the snapshot ...ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... replace the unwanted "defw Routine" with a single "defw ... br /> CallR:
; hl = Routine number
ld de ... subroutines is simply a matter of eliminating a "defw Routine" line. ... one routine you really needed -- most likely a load binary? ...Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…
... from. As such, a Z80 routine for playing .ay files in ... , load it into the appropriate locations in memory, call the routine you ... program to be a player routine for the .AY format. It ... not something that you would simply drop into your own programs ...Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…
... turbo loader.
- Storing the turbo loader in a REM statement, then load ... as usually.
- Load the zx7 via turbo loader.
- Put the ... .
- Add a relocation/decompression routine.
- Put both things in ...Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …
... /> I remember some turbo games that seemed to load very faster (although ... other hand, some "turbo" loaders did not load faster than standard ... I mean, a turbo loader that can load safely in any cassette ... code loader and the unpack routine in the BASIC block. ...Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …
... 3.6 minutes to load, while zx7'd is ... for both, because zeros load faster than ones, etc ... was a double speed turbo loader but loaded an ... faster than the ROM routine but not by much.< ... turbo loader though - the anticipation of whether the game would bloody load ...Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... that not only can you load and store 8-bit values ... value you first half to load it into a register from ... /> [b]1. Masked sprite draw routine from SP1[/b]
routine[/b]
At the ...how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... ]
however, i think the routine at $1601 will destroy the ... simply use a value of 1, instead of 2, to load into ...Most played games: Pirated vs BoughtMy confession of guilt in the piracy thread that I'd never legitimately bought an Ultimate game, despite playing Knight Lore to death BITTD, led me t…
... of their games and I simply couldn't afford it. There ... it very hard to even load, let alone copy. I ... over an hour trying to load it and when I ... game (after dozens of failed load attempts) and saved the ... tape using the standard ROM routine, so had a brand-new ...
