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How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…
The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom ... subroutine. The Line-Draw require ... passed by the register BC and the signs passed by the DE:< ... dont understand how to express the 'signs' in DE.
... -
A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…
... and visible machine code trailing off the end of the [b]RAND ... string variable contains all the machine code, and a numeric variable ... 256 * PEEK 23636[/code]
The program looks like ... tokens as if they were machine-code instructions.
... -
1K ZX81 "Chariddy" games competition mate..I'm trying to put together a Cronosoft 1K ZX81 gamestape in the style of the old "JK GREYE" 10 games tape that I remember owning about 28 years ago. …
... 1K ZX81 gamestape in the style of the old "JK GREYE" ... ve had 3 very decent machine code submissions so far, but ... send it in, and the best entries will be judged ... really feasible to split the royalty payments between 10 ... people, I'd like the royalties to go to ... -
Summer express game competetionHello to all. I would like announce SUMMER EXPRESS GAME COMPETETION: [B]Theme:[/B] a game [B]Deadline:[/B] 1st September 2010 [B]Target:[/B] ZX Spe…
... thread.
3) The relevant time is always the time of message ... tape routine in rom from machine code but you can't call ... - see rule #6
8) The best game (if any) will ... cassete from my collection. Note the state of cassete is unknown ... -
Die RollerOkay, technically it's in machine code - but it's all compiled in a basic compiler. (you know, the one that people keep telling us is impossible to …
Okay, technically it's in machine code - but it's all ... .
(you know, the one that people keep telling ... routine been part of the FF Mastering proggy I ... d have thought I was the mutt's nutts.
... : Oh yes. The source code is posted in the forums over at ... -
Adventure Gamebook Solver"It would take me ages to solve that adventure gamebook without AGES" - is what someone might say if they didn't have the [url=http://www.users.globa…
... out a little machine code routine to resolve that in the next day ... .
The archive contains the three AGES programs, plus the data files ... notice when I've done the machine code enhancement for part two, and ... -
Seeking alternatives to DATA statementsAnyone know of any memory saving alternatives to storing a list of numbers, other than using DATA statements or poking data into addresses?... Im ti…
... for alternative ways of outputing the basic other than producing repetative ... clever way of generating the data within the listing that takes up ... into what is technically the domain of machine code)... (Has to be allowable ... -
Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…
... it is loading the second part using a machine code routine. I would ... have to hack through the whole code ... users all over the world who convert the programms to their ... .
The Spectrum is just a machine that never had ... -
Text Adventure Vector graphicsI've often wondered what the memory cost of graphics in a text adventure was. If you were to hazard a guess, how many bytes would it be possible to …
I've often wondered what the memory cost of graphics in ... a vector graphics engine in machine code and how many bytes would ... less than 512 bytes (of code)? -
SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…
... some discussion going about where the language is going to ... is no BORDER command, and the concept of character squares has ... in there - graphics, fonts, even machine code if you want.
Screen ... binary/hex are supported with the % and $/0x prefixes.
< ... -
DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…
... /> I've been reading the Complete ROM disassembly, where they ... cannot get the hang of the explanation of the algorithm...
the Arc drawing algorithm implemented ... more optimised versions that achieve the same result.
< ... -
Spectrum (+related 8bit) books for sale.I have the following books for sale, in case anybody here is interested in having them? [LIST] [*]Micronet Book - Alan Giles (Melbourne House) - Ex.…
... Ex. library.
[*]Z80 Machine code for humans - Alan Tootil & ... Ex. library.
[*]The companion to the Sinclair ZX Microdrive and ... Practical robotics and interfacing for the Spectrum - A.A. Berk ... reasonable condition.
The step-by-step programming ... -
SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... graphics/sprite printing style machine code routines for the SAM? I can' ... remotely aimed at the beginner for this machine. I'm fine ... for manipulating data in the video ram and thought ... anything I try inevitably crashes the machine.
So any ... -
Adventure games written in basic (commercial)This thread partly got me thinking > [url]http://www.worldofspectrum.org/forums/showthread.php?t=31141[/url] But I'd like to know about adventure ga…
... that have small machine code parts are OK but the parser and main ... .cgi?id=0006844"]Quest for the Holy Grail[/URL]
Wanted: Manic Miner (Mastertronic version)As topic title, I'd like this :) The Mastertronic / Mastertronic Added Dimension Re-Release. At a push, just inlay would be nice as (apart from a …
... 'd like this :)
The Mastertronic / Mastertronic Added Dimension Re ... a tiny change to the loader) its the same code-wise as far ... but obviously I'd like the complete (cassette + inlay) package so to ...Best model to buy...Hi all, Long time lurker, finally signed up. Had a speccy (a 48k+) back in the day (and a C64 for my sins), played a lot of games and got into machi…
... (a 48k+) back in the day (and a C64 ... of games and got into machine code programming using them both. ... some proper hardware. From the research I have done, ... I reckon the 128k (heatsink) is the one to go ... of some compatibility issues with the +2's and +3 ...Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... I managed to save as machine code (I suppose) when I was ... a result of experimentation with CODE, LINE etc. I'd like ... I'd need to know the exact address of memory where ...Spectrum Keyboard Solutions?Hello, I'm new here and this is my first posting. I started with Sinclair computers back with the ZX81, then when the Spectrum came out I really wa…
... back with the ZX81, then when the Spectrum came ... on the huge community around the Spectrum because of the incompatibilities. ... enjoying downloading articles from the WoS archives and typing ... those little machine code programs that only work on the original ...variable variable names with VAL$It's possible to make the RH-side variable names in a LET statement be themselves variable by using VAL$. Thus, if v$ holds the [b]name[/b] of anothe…
... 's possible to make the RH-side variable names ... Thus, if v$ holds the [b]name[/b] of another ... number, will assign the content of the variable named in v ... to do the opposing function, and make the LH-side ... might be done with a machine code routine, but not in ...Various game / utility / cover tapes.Having a clean-out - If anybody interested in buying any of the following drop me a PM. Anything not taken by next weekend will go onto eBay. Games…
... br /> Curse of Sherwood, The
Cyclone
Enduro ... /> Rapscallion
Rockford (The Arcade Game) / Rockman
Artist 2, The
Artist, The
Joystick conversion ... The Games Designer
White Lightening
ZX Spectrum Machine-code ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
Hi everyone,
How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet?
When you kill something, do you just stop displaying it?
thanksThe Manic Miner intelligence testI've spent the morning watching various teenagers playing 8 bit games. One thing that really struck me is Manic Miner seems to be quite good at showi…
... is to not jump the bush on the platform but go ... what happens on the conveyor belt before the yellow machine kills them.
The thick ones, ... seldom get past the yellow monster on the conveyor belt. Quite ...Untitled Zombie GameBought a Speccy 48k (wanted a 16k with a 32k Cheetah rampack and Kempston interface, but couldn't find a 16k) and started writing BASIC for the first…
... ) and started writing BASIC for the first time in about 20 ... written a rough draft of the combat mechanism (there's balancing ... butcher's. Never programmed in machine code though, which is why it ...AGES enhancementsThere's an enhanced version of the AGES adventure gamebook utility available; it's the first of the items on my [url=http://www.users.globalnet.co.uk…
... to rewrite all the slow parts in machine code. Three months of ... mental torment ensued while I struggled the get the ... chunks of BASIC with machine code. Then getting it to ... back from the end to the beginning, which seemed the best ...More speccy stuff to sellHere's some more Spectrum goodies I've dug up: OCP Art Studio - boxed with manual & lenslok included. Still in good condition, although the lenslok …
... the lenslok instruction leaflet has a load of machine code snippets ... written in pencil on the back ... at digging into how the program worked!). ?5 ...
Book - Spectrum Machine Code for the Absolute Beginner : ?1 plus ...ZX Flight - flight simulator (Basic)Yesterday I found this BASIC flight simulator on an old tape. Obviously this is a my type-in from an old ex-Yugoslavian magazine from mid 80s. I did …
... />
Basically, its the landing situation in low visible ... .
I really like the precision instruments (especially analog), ... Boriel compiler) failed to get the job done.
However ... program would look like in machine code, accelerate your emulator 10 ...Help with mystery game programmer...Hi, I wanted to try to revive an old C.S.S post from 2004, where I was trying to track down the name of a very exploited Spectrum games programmer. …
... old issue
of "The Games Machine" which some of you may ... find appealing. The
article ... to tape, and photocopy the instructions down the library.
Suddenly ...
has been a complete lie, all the crap I've been ...Machine Code Sprites and Graphics for the ZX SpectrumHi Looking for this book, if anyone can help would be most grateful. [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000229"]http://www.wor…
Hi
Looking for this book, if anyone can help would be most grateful.
[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000229"]http://www.worldofspectrum.org/infoseekid.cgi?id=2000229[/URL]
Also if anyone has any ...New game: Stamp QuestHappy new year speccies! [URL="https://docs.google.com/leaf?id=0ByxiMYbPnlUdMTQ0MmZlMDctMTNjNS00NmJhLTg3NTQtMTU3ZTQwY2ViZWMx&hl=en"]https://docs.goo…
... in getting some feedback on the speed and difficulty, I'm ... make any massive changes (as the main loop has turned into ... more/less lives?
The game can be downloaded here ... [I]the[/I] most useful document on the subject of writing machine code. That ...
