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Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... RAM and the CP/M system itself has to be at ... of memory and can be variable in size depending on whoever ... -
Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …
... /> LAST_K equ 23560 ; Spectrum OS variable area for last key press ... /> LD HL, LAST_K ; Spectrum OS System variabl
LD A, (HL ... -
2 scrolling linesHow would you draw, delete and scroll a 2 line landscape? [img]http://i1142.photobucket.com/albums/n608/daveyboyhughes/scramblines_zpsw0r2joew.png…
... using lines as a continuously variable way of drawing the landscape ... 't need to so obviously scroll-on a leading bit of ... -
ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... conversion for the another incompatible system. That is, [i]if[/i ... surprise here! You need a variable for line counter. You need ... -
ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... conversion for the another incompatible system. That is, [i]if[/i ... surprise here! You need a variable for line counter. You need ... to do any ROP function, variable size, and on and on ... -
ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... at least a real retro system.
[quote="Alcoholics Anonymous ... want the rest of the system to use these free cycles ... for all the sprites is variable (no pun intended) and related ... -
Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... have to look through the variable list until it finds the ... variable, then get the value that variable holds, and ... all the instances of that variable name with its value. When ... worry - the whole pre-RUN system that does this stuff is ... -
endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... is intentionally independent from any system software including the spectrum rom ... all you want is to scroll the screen upward. You can ... -
British Airways Systems Failure.So unless you have been living under a rock for the past 24 hours, you will have learned that British Airways (BA) have had a major IT systems failur…
... cycles. Depending on the control system for the generator, it either ... the generator is poor or variable.
Unless you are ... -
Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …
... .html"]libxml2[/url] on your system. That page mentions that "you ... is here[/url]. If you scroll down that page you'll ... -
z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... access to the PC file system
One solution is ... using zx7 to generate a variable length compressed file then after ... -
How to automatically find the character set in a gameThis is all completely new to me, so please be patient. I've done some reading up on how character sets are handled by the Spectrum. I understand tha…
... /> If it uses a fancy variable width font or something like ... , it uses a fairly complex system of control codes etc that ... -
im looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
... doing a full 32-frame scroll (shifting the whole of the ... problem is that t$() has variable length elements, which isn't ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... , the +3 BASIC maintains a variable, BANK678, that holds the value ... /> ROM 0: 128k editor, menu system and self-test program
Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …
... "fool" the system by altering the BASIC
variable CHADD to point ...Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …
... "fool" the system by altering the BASIC
variable CHADD to point ... closely intertwined with the basic system, so much so that they ... day. It's the only system that really became standard on ... lines for their own disk system. The disadvantage is you have ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... the top boxes inventory, stats, system. Underneath these should be a ... , and instinctively pushing up to scroll back, and stabbing myself in ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... the top boxes inventory, stats, system. Underneath these should be a ... , and instinctively pushing up to scroll back, and stabbing myself in ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... the top boxes inventory, stats, system. Underneath these should be a ... , and instinctively pushing up to scroll back, and stabbing myself in ...ZX DEV 2017 RetroforceAlthough a little early, considering the January deadline, we have finished our competition entry for the 2017 ZX DEV conversion competition. Our gam…
... for a primitive unmodified 48k system... Like our previous Knightmare2 ... possible with the bare minimum system. It wouldn't have ... to the limitations of the scroll engine, which was tailored ... by making such an optimized scroll engine... The optimizations were ...Windows 10 Anyone Got it YetSome of my collegues have been installing or updating their OS to Windows 10 and have been speaking very favorably about it,except the lack of driver…
... to Settings > System > About and scroll down you'll see ...Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... of text and a horizontal scroll bar.[/quote]
Okay, that ... on top of multitasking operating system for Speccy. How dare you ...New Game: Astrosmash! ZXHello Spectrum fans! It's been a while. After a few months of health issues and larger projects getting put on the back-burner, I decided to work …
... games is a good scoring system - and I noticed that, on ... in the past with a variable trying to extend its value ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... memory and opted for overwriting system variables (saving the $5B5C var ... is not saved to the system variables. Instead if something needs ... 's allocated to a regular variable that can be placed anywhere ...Hello! New guy here!Hello there! Is this website still active? I feel like there's not much activity here, as if it's dead. Is this community is still alive? Also, the …
... to do. The Spectrum operating system - at least from your point ... with HELLO WORLD and ask SCROLL? Any keypress will just repeat ...Hello! New guy here!Hello there! Is this website still active? I feel like there's not much activity here, as if it's dead. Is this community is still alive? Also, the …
... to do. The Spectrum operating system - at least from your point ... with HELLO WORLD and ask SCROLL? Any keypress will just repeat ...ezcode on plus 3Hi, I’m filling my evenings at the moment typing in the ezcode listing from Spectrum machine language for the absolute beginner by the elusive Mr …
... single keyword entry system. You can either rename the variable throughout the ...Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... /wiki/Monochrome_monitor
and scroll down to "Clarity".
system, the number of horizontal pixels ... monochrome composite video signal that system limitations show up.
Games, similarities and plagiarism.Do you remember back we all discussed out the game [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0005146"]Tarantula[/url] had bits of [url="…
... /> Using an ABC cross reference system would hardly count as plagarism ... I see the cross reference system is identical, but still I ... the games to see, just scroll through the onscreen instructions until ...
