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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…
Actaually the case would be the stumbling block. ... +? Especially when the original plastic case carcases are pretty readily available ... for lower and one for upper memory), instead of a Ferranti ... -
Coding Integral Calculus EquationsDoes anyone have experience of writing routines to evaluate integral (or differential) calculus equations on the Spectrum? I've been trying to find s…
... a formula!
In case you need a brief summary ... integration sign up to the upper limit, in steps of (top_limit ... -
Upgrading 16k MemoryHi All I have a fully working issue 2 16k spectrum and a broken issue3 48k spectrum (It's showing the black and white bars and some flashing blocks)…
... Normally (part of) the upper 32K simply wouldn't be ... case).
[*] Insert logic IC's (IC23-IC26), but no upper ... you have maximum number of upper 32K chips inserted & ... static RAM chip for upper 32K (soldered on top ... need some of the upper 32K logic, so either ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... (not keys, and rubber key case is small enough IMO), not ... is a PITA).
[*] Replace upper 32K RAM with another SRAM ... -
ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... towards lower memory in your case, even though it doesnt get ... lower memory, if it was upper memory you would at least ... -
Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
... , there seems to be the case. This is because of faults ... and do Sami's fix Upper 32K SRAM D43256BCZ-70LL SRAM ... -
Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
... ... :smile:
Of course upper 32K RAM should be an ... voltage (from battery in this case) to be used directly by ... -
Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…
... height
;position means left upper corner of the block
case, so first tile would 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…
... intriguing and maybe, in the case of not so well-known ... post the logo in the upper left corner of the WoS ... -
Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... is lower screen, 2 is upper
call 5633 ;some rom ... routine to open upper or lower channel
ld ... than me but just in case you've not seen it ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... 's the whole point: because upper byte doesn't matter (I ... problem: when reading keyboard, the upper half of port address matters ... trigger those devices. In the case of the ULA it only ... -
Modified 8x8 Font...Hi Folks, I am trying to come up with a good looking font for the Spectrum. I have looked at the BBC Micro font, Apple Mac etc. and so far I have: …
... letter 'v'. Both the upper and lower case versions of that look ... -
Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... in BC also just in case anyone wants to use it ... address
ld a,2 ; upper screen
call CHAN_OPEN ; get ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... in BC also just in case anyone wants to use it ... address
ld a,2 ; upper screen
call CHAN_OPEN ; get ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... /> And of course, multiplication in case of Z80 means the appropriate ... you simply throw away the upper bits, and reject anything greater ... -
Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
... 16bit value, D holds the upper 8bits, and E the lower ... it is a very simple case!
If someone took ... -
Rubber 48k troublesHi. I've just got a 48k to add my collection, but it seems doesn't working well. The computer starts ups finely, but it doesn't load the games. So fa…
... ?
If not, maybe an upper ram fault.[/QUOTE]
In any case, I checked this way:
Rubber 48k troublesHi. I've just got a 48k to add my collection, but it seems doesn't working well. The computer starts ups finely, but it doesn't load the games. So fa…
... =Spirantho;597771]One of your upper RAM chips almost certainly has ... a multiface.
In any case, I will look around to ...Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …
... should post an update in case any of you were wondering ... to get stuck. Perhaps an upper RAM problem could cause this ...what is this crazy modfound a speccy in my loft yesterday,and it seems to have an external heatsink modd i havent the foggiest about speccys heres a few pics [url]http://i…
... to be moved, in this case, outside and fitted to a ... fruitcakes site, this would mean upper memory, IC15? As I am ...Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
... you want to remove the upper RAM ICs and they are ... this time (but in this case, if I were you, I ...Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
... you want to remove the upper RAM ICs and they are ... this time (but in this case, if I were you, I ...A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... this case, sub-routine "BIFROSTstart()" could make the necessary changes to upper ... assembler/compiler, but in this case Pasmo was the only assembler ...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…
... display rotating messages on the upper border. It uses a "vector ... worked much better for this case, using OUTI in a way ...ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... is they are putting an upper bound on how long it ... to be sent; in this case the disk data retrieving only ...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…
... /wtfpl/"]WTFPL[/URL] license in case someone wants to implement something ... edit an image in the upper border using BorderTron 3000 version ...Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... main display area in the upper screen, doing that would entail ... with that situation just in case. I'll include my little ... coloured columns, so that the upper/lower screen displacement can be ...In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... your class and in the case, the manager will be included ... '|'z80'|'a80'|'bin'], in the case you must not write label ... different arguments.
The Upper-memory (different memory extenders 128K ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... and this leads to worst case
; for sorted (and nearly ... no recursion occurs in this case but there will still be ... . this results in the lowest upper bound on stack
; usage ...
