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How did games started with LOAD "" CODE auto-start?Some early games (l remember for example [B]Galaxians[/B] from 1982) was loaded with LOAD "" CODE, which in one single block first loaded the loading…
... from 1982) was loaded with LOAD "" CODE, which in one single block ... I assume the game code lies directly above the display ... and code together), but where/how does the LOAD "" CODE command ... jump into game code and execute ... -
LOAD "" CODE - Blind Alleycame across [B]Blind Alley[/B] in the archives, and both tzx/tap versions only have Bytes header, no Basic loader with autostart - please, anyone, ho…
... .org/showscreen.cgi?screen=screens/load/b/gif/BlindAlley.gif[/IMG ... in the archive that need LOAD "" CODE? -
LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
How do you LOAD "" CODE from machine code?
I have written ... to call the ROM's LOAD "" CODE routine, nothing fancy headerless loaders ... />
;LOAD 128 bank 6 code
;LOAD main game code
Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only ... following command:
[code]
SAVE "MY GAME"CODE 23552,550: RUN ...
[/code]
(The length ...Loading with CODEHi all! I last played speccy games back in '91. that's when it died IMHO. It's good to see people are keeping the dream alive with emulators and util…
... of many that on using LOAD "" you obtain a scrolling "bytes ... to be loaded with :
LOAD "" CODE
where was a number ...Blok*Load on Multiface 128Spinning this off into a new thread to avoid cluttering up the original: [url]http://www.worldofspectrum.org/forums/showthread.php?t=17999&page=7[/u…
... program:
[code]10 REM Blok*Load 48K v2
20 ... is this:
[code]ORG 08000h
startofcode ... br /> SCF
CALL 0556h ;load code headerlessly
JR NC,startofcode ... ;run the rest of the code[/code]
Note that ...Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... corrupted while attempting to load the compressed game code...
;
call loadit ; load code file "0"
;
... hl)
call loadit ; now load code file "1"
;
... hl)
call loadit ; now load code file "2"
;
The short blocks loaded in Jet Pac(Hope this have not been previously discussed. If so, my apologies) Is there any reason why Jet Pac loads three short blocks after the main block? I…
... block? If it's a protection scheme, I have to ... we replace the series of LOAD "" CODE after the loading screen, ... for one single LOAD ""CODE 24572 : PRINT USR 25067, ... loader should look something like: LOAD ""CODE 245772: POKE 23728,233: PRINT ...Kobrahsoft: Code InvestigatorHi folks, While digging around my HD I found an "Unknown Kobrahsoft Tape" which appears to contain the MIA title Code Invesitgator by Kobrahsoft: [u…
... to contain the MIA title Code Invesitgator by Kobrahsoft:
[url ... />
Anyway it loads with LOAD "" CODE but doesn't seem to ...Amazonia - standard loaderThe "protection scheme" entry for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL] says "Multiple schemes (see individu…
The "protection scheme" entry for [URL="http:// ... ROM routines, just using [B]LOAD ""SCREEN$[/B] and [B]LOAD ""CODE[/B]..tapein load crashes if no CLEAR performed first(!)Hi Guys, Can anyone explain the following as it has be stumped: I came across an unexpected crash today when loading in a 16K block of code at 8000…
... following:
[code] 10 CLEAR 32767
20 LOAD "" CODE 32768,16384
LOAD "" CODE. Lo and behold. The LOAD "" CODE failed to return ... 32767 before the LOAD "" CODE then it loads the code block fine.
Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... Basic when trying to load only part of file ... I have a Tape-Code-File Start from e. ... load this into Spectrum Memory with
[code]LOAD ""CODE 16384,6912[/code ... ] and load only the first 6912 ...LOAD""CodeWhy did some games load this way? Is it something to do with not having a 'header' or something? And if so why not? Also do we have a list of games …
Why did some games load this way? Is it something to do with not having a 'header' or something? And if so why not?
Also do we have a list of games that loaded this way?Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... :
SAVE "name" CODE 16384,49152: GO TO n ... line 10 LOAD "" CODE.[/QUOTE]
This gives a small protection schema ... , you need to load fulll memory and ... you cannot enter the the code with ...Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... /> Load code into variable via immediate command:
load "somecode" code Calculated_Vars_address ... both for the secret code and for the way ... a serious purpose for protection schemes in the Spectrum ... idea) Maybe a crap protection will be a nice addition ...Screen$ disappearanceGreetings to all developers :D As you know, I have been playing around with Professional Adventure Writer and was making a few tests in the adventur…
... has it's own hack protection loader, which is the ... screen before loading the machine code for the adventure.
... extvec=?????
30 LOAD "" SCREEN$
40 LOAD "" CODE
50 POKE ... RANDOMIZE USR (extvec+9)
[/code]
You see ...Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... points to somewhere else before load. ;)[/QUOTE]
I was ... when your preloader calls LOAD "" CODE to load it back in, meaning ... calculated CLEAR command prior to LOAD "" CODE could be used but ... the protection was to load the basic program as a code file ...Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... />
[code] 1 LOAD "" SCREEN$
2 LOAD "" CODE : RANDOMIZE USR 0 ... [/code]Numbers in listings ... 034 170 013)
2 LOAD "" CODE : RANDOMIZE USR 0
protection. Period. But that' ...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…
... may need to manually LOAD""CODE the machine code modules from the tape ... for applying encryption and copy protection to software.
[b ...Why did Ultimate games load like this?What I remember about the early Ultimate games was the unusual way they loaded. You'd get the BASIC bootstrap loader, then a SCREEN$, then a main bl…
... of protection only prevented extra BASIC statements being inserted between the LOAD ""CODE ...Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…
... has it's own hack protection loader, which is the ... screen before loading the machine code for the adventure.
... LET extvec=?????
30 LOAD "" SCREEN$
40 LOAD "" CODE
50 POKE ... RANDOMIZE USR (extvec+9)
[/code]
You see ...Blackstar by Richy Pitch[youtube]FQLznlyLONI[/youtube] Discuss. Points will be deducted from the first person who asks "can this be done on a real Spectrum?"
... looking for info on Alkatraz protection system, and it seems that ... 24999 : POKE 23739,111 : LOAD "" SCREEN$ : LOAD "" CODE : POKE 23739,244 : PAUSE 0 ... : RANDOMIZE USR 50896[/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 …
... original file that has copy protection. In the Cobra.tzx the ... protection method is Alkatraz and in ... 2. Don't worry about protection details, you only need to ... tape generation I avoided the LOAD""CODE because this will add superflous ...Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
[B]The Alkatraz Protection System[/B]
OK, let' ... ] (QAOPM version) with the Alkatraz Protection System...
[B]Microdrives ... ]: POKE 23739,111
20 LOAD ""CODE : LOAD ""CODE : LOAD ""CODE : LOAD ""CODE
40 CLS : [B]RANDOMIZE ...Ultimate games with short machine code files loaded lastThis is a bit geeky, you've been warned! I remember early Ultimate games loaded from tape had the ascending beeping noise, a "Please wait" message, …
... code. That would avoid disassembling unless you load it at 24572 (crappy protection ... something between the last LOAD "" CODE and the PRINT USR ... most copiers won't load CODE blocks at their intended ... t simply erase the code related to protection check.
< ...Hacker QuestionHello hackers, as some of you might know, I am supervising the work on converting games from TR-Dos or TAP to the +D or Opus disk format for our SC…
... /> 10 CLEAR 30311: LOAD "" SCREEN$: POKE 23739,111: LOAD "" CODE: RANDOMIZE USR 48010 ... loaders, as a form of protection. Usually it would be a ...Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
Yes, LOAD""CODE back in the days definitely served as a copy protection.
Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... , LOAD""CODE back in the days definitely served as a copy protection.
load a header in BASIC and ...Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... , LOAD""CODE back in the days definitely served as a copy protection.
load a header in BASIC and ... kid can bypass those... These CODE things were actually much more ...Two different versions of Bruce Lee?There's a possible MIA here, I think. I sat down at lunchtime to play a bit of Bruce Lee and discovered that the version I'd downloaded from WOS (th…
... will use screen memory for code execution, so having the SCREEN ... in the listing enables copy protection
RANDOMIZE USR 57856 ... protection will be disabled
For the TZX just do LOAD "" CODE ...
