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Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?
I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers? -
Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…
... the loader and a dis-assembly suggests it may be trying ... -
FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…
... with FN functions that call assembly, I've found something weird ... -
playing sound samples from Boriel's zxbasic-compilerfirst of all, sorry if it sounds confusing if i'm posting this thread here instead instead of at Discussions:SinclarBasic it's because this is more …
... this is more about z80 assembly and library development for Boriel ... -
probably a stupid question about RST16I'm using the 'hello world' code borrowed from [url=http://equant-retrochallenge.blogspot.com/2008/07/zx-spectrum-assembly-programming-under.html]her…
... .com/2008/07/zx-spectrum-assembly-programming-under.html]here[/url ... -
Spectrum real speed testI don't have a real Spectrum, but I have a Romanian clone (HC-91). I always believed it was a perfect clone of Spectrum, but it turned out not to be…
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I also included the assembly program if you are interested ... -
Problem with a small basic routineDear all; I have been messing about with a routine (originally published in Your Computer 1982, by Tim Langdell). The idea of the program is to simul…
Dear all;
I have been messing about with a routine (originally published in Your Computer 1982, by Tim Langdell). The idea of the program is to simulate 3D motion. However, when I typed the listing in I keep getting an "A invalid argument 40:1"
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More Games For Sale N-RMore, probably the last list for today, enjoy.. Box 15 Single Cases Nightflite ? Hewson Nightflite II ? Hewson Ninja ? Mastertronic Ninja Massacre …
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Plexar ? Mastertronic
The Plot ? Firebird
Plummet ? Interceptor Micros ... -
Writing an emulator - how to / resourcesI'm looking for a holidays project, and I'm thinking I'd like to write a simple Spectrum emulator. I've googled plenty and read some resources, but …
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Learn Z80 assembly guide: [url]http://sgate.emt ... br />
Explanation of assembly instructions: [url]http://sgate.emt ... html[/url]
Assembly to hexcode translation table (plus ... url]
ROM assembly code (plus loads of other ... -
Spectrum+ Keyboard problemI got a ZX Spectrum+ recently. This thing is never used and is in excellent condition. The previous owner told me he never used it and stored it in h…
... , for example, and the word PLOT appears. Press the DELETE key ... -
Testing Z80 op codesHappy new year all! I'm currently testing my Z80 emulator (hand written from scratch in C#) and I've possibly now gone insane, testing is taking hug…
... thought of writing a massive assembly test project to test everything ... -
SpecBAS 0.718 Now AvailableHi Folks! After an appreciable delay, the latest and (dare I say it?) greatest SpecBAS update is now available. We're moving into modern times with …
AMD and AMD-2Does anyone recall the game called AMD? There was also a sequel for this game. The plot was to run from start to finish on a extraterrestrial planet…
Does anyone recall the game called AMD? There was also a sequel for this game.
The plot was to run from start to finish on a extraterrestrial planet bypassing any obstacles on the way
Unfortunately cant find it in the archive..PDF book scan is corruptedI don't know if this is the right forum section for this topic, but anyway... I downloaded [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/books/Le…
... -HillIT).pdf"]Learn And Use Assembly Language On The ZX Spectrum ...PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
How do you go about it?
If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it?
I wouldnt know where to start... :confused:High Score Musical - an 8-bit rom comHello all, [b]High Score Musical[/b] is a project I'm currently working on, and we're planning to take it to Edinburgh this summer. It's a new (slig…
... /> ... thus putting my ZX Spectrum assembly language programming skills to good ...Games that feature LOVE :)As it's Valentine Day today, I thought we could make another list, just like Christmas theme games, horror games or game with astronauts. So can you…
... Spectrum games that have a plot dealing with romantic relationship (or ...Precisely timed loops in assemblyI'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I und…
I'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I understand that I should HALT first to wait until the raster reaches the top of the screen, and then create a ...BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... speccy or emulator, or an assembly listing for poking around with ...BIFROST* ENGINE with Spectrum 128K support is out!The BIFROST* ENGINE release 1.1 is finally available, now providing also support for all Spectrum 128 models. You can download it from here: [url]ht…
... interrupts during long (possibly undocumented) Assembly instructions... So this is the ... .0 in a BASIC or Assembly program, you must be aware ...Help pleeease "Proving Emulator OpCode flags are correct"So I had a cunning plan... I wanted to write a test harness for Emulators that could "prove" that all opcode flags were correct. I wanted something m…
... every opcode)? Doing this BASIC/Assembly combo for vast number of ...Hisoft Devpac and the MGT Plus DI've got (potentially) a bit of an odd one here that might cut across a couple of areas so I thought I would put it in misc. I am trying to Hisoft's…
... painful way to write in assembly. However, I just have a ...Shaded Desktop...Hi Folks, As part of some BASin testing I thought I would create a little program that creates a shaded desktop. In this case it goes from solid bl…
... Right Hand Edge
290 PLOT INVERSE 1;255,0: DRAW ...SpecBAS 0.743 Now available!Hey Guys - SpecBAS has been updated again. A shedload of bugs have been fixed, and a couple of "just for fun" commands have been added! You all sa…
... ready for displaying
Updated PLOT to allow an array of ...Restore HL' to?It is probably a simple question, but it's been escaping me for quite some time now. Is there an 'universal' value you should restore HL' to if your…
... restore HL' to if your assembly code uses that [i]and ...z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... with the aid of an assembly backend for heavy stuff (i ...SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... that I could use in Assembly programs and supported multiple lines ... need to be included in Assembly programs are under 300 bytes ...+3e Strange IssueHello there my fellow WoS'ers I am absolutely perplexed by the following problem, I am hoping that someone more enlightened than I can help [I](no…
... !!!)[/I]
The following assembly is tested working / good in ... and CPU and while the assembly works in every other Spectrum ...The Sinclair Microdrive NightmareHi folks, following the [URL="http://youtu.be/Kh4hkIyjdNE"]?Sinclair ZX Spectrum - 30th Birthday Anniversary 2012 - The Movie?[/URL] and the series …
... in use?. I had the plot ready, setup of the scene ...Encyclopaedia GalacticaThis is the development thread for Encyclopaedia Galactica, the game upon which I'm currently working, along with a few others. The idea is that the…
... there will be a sensible plot to this one - and generally ...
