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Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…
... example, the ROM routine uses 945 T high tail pulse ... makes sure people don't remove it accidentally ... speed (768, 1460), which doesn't use the rule 1 = 0 * ... pulses? I didn't bother checking the disassembly ... are several points why it doesn't bother me:
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... that conclusion. 90% of software doesn't use the extra features of the ... got the dumbed-down editor ROM and no keypad.Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…
... as original DivIDE 32kBram+8kB rom. This way enable installation ... 512kB rom + 512kB ram = 1MB memory. Divide Plus use compatible ... 16kB ram/rom paging instead original ZX rom. RESIDOS need ... - for example, software which doesn't use a full interrupt table will ...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 …
... screen.
It doesn't use any ROM calls but the downside it ...Trap Door - minor glitchesBoth the TAP and ZX Megafiles versions have some minor glitches that weren't in the other releases that I've played. They're not game-breaking, but I…
No the bugs don't appear on this new TAP ... version. Weird considering it doesn't use the normal ROM loading routine.
t=34826[/url]
I ...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…
... hundred bytes but doesn't use them is the original ROM, sensibly enough. ;-)
t do anything else until your ... what you didn't implement so we don't waste time trying ...Emulator licenses for free distributionAre there any emulators that allow a distribution whereby I could package them up with a game and a single shortcut to run the emulator + game, then …
... t be able to include the original ROM. You would have to use ... the OpenSE ROM instead.< ... ROM on something that's offered for sale.
It doesn't use ... any ROM routines once it's loaded ...PC ZX Parallel interfaceIs any working PC<->ZX interface based on LPT cable implemented ? I know that DR.Beep were posting about such solution long time ago, but I could not…
... shrinking, Dr.Boop), does your ROM expand the .z80 files, or ... the SNA-files although SNA doesn't use compression.Would anyone be interested in......Hi, I'm wondering if there would be much interest in an expansion card for the speccy that gives a VGA output with enhanced gfx & sound capabilities…
... way around most of the ROM like the back of my ... intercept certain portions of the ROM and perform those jobs much ... ?
Software which doesn't use the ROM wouldn't lose anything; BASIC would ...Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
I use a slighly modified ROM that never tries to test ... , I did another ROM mod. This time, this ROM doesn't use lower memory at ...Tape emulation on expansion portHello! Maybe one some one knows how tape emulation is done (in general) from devices connected on the expansion port? Like how divIDE loads tap fil…
... it is done via trapping ROM procedures then custom loaders will ... />
Right. Anything that doesn't use the ROM loading routine, even if it ... uses standard speeds, won't work ...Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…
... wrong....[/QUOTE]
MaxDesktop doesn't use hook codes.
Essentially ... second table with the appropriate ROM routine:
[CODE] org ... subsequently use the table at $9c22 to call the appropriate ROM routine ...Outrun Europa in colourSwainy suggested that he'd like to try his luck with Outrun Europa colorful graphics and see if they can be improved. Let's give him the chance :) A…
... other component was an enhanced ROM (SE BASIC).
... /> The Spectrum SE hardware isn't a complete failure. The prototype ... mode (such as the IF2 ROM carts).
If ... ZXU4 project (which doesn't use ULAplus because it wasn't implemented in the ...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…
... br /> ld l,a ; w = t
ld (random+4),hl ... 1.
Trivial to use in a program then:
t be bothered working out in ... random number generator inbuilt, and doesn't use the ROM one; though I think ...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…
... random number generator inbuilt, and doesn't use the ROM one; though I think ...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…
... is typically important for several ROM routines. Do you mean ... code that do not use any ROM routine depending on IY ... 's probably still important for ROM routines)? In particular, the ... j2Z80 doesn't generate any links to any ROM code and it doesn't use IY ...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…
... 'must', you may don't save them if your code ... your risk if you don't save them[/QUOTE]
... doesn't generate any links to any ROM code and it doesn't use ... interruptions if you want to use them[/QUOTE]
use POP to read arguments ...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…
... specification of Investronica. The ROM was written mostly written by ... string was entered the ROM switched to a full ... it is possible to use keywords in lower case ... version of the 128 ROM is superior in every ... tokens in the EDITOR ROM so it doesn't have to do ...Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…
... that doesn't use the shadow video page or require the editor ROM (which ...[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... Barker;669639]
The loader doesn't use some non-symmetrical pulses or ... of the loader) no, it doesn't.
And the fact ... of just transitions like the ROM one does.
And the ...Full disk systems for ZX Spectrum?Hello. Although I don't use much more than TR-DOS, but an acquaintance of mine, a user of Atari XL/XE, always says (which is annoying and irritatin…
... /M for FDD3000.
Don't know about +D/Beta as ... runs on DivIDE as it doesn't use Spectrum's RAM to run ... , different ULA, no Sinclair BASIC ROM and no video circuitry) maybe...Full disk systems for ZX Spectrum?Hello. Although I don't use much more than TR-DOS, but an acquaintance of mine, a user of Atari XL/XE, always says (which is annoying and irritatin…
... runs on DivIDE as it doesn't use Spectrum's RAM to run ... a CPU. The DivIDE hasn't got an onboard CPU. The ... is read from DivIDE flash ROM. From the point of view ... disk drive has its own ROM, RAM and CPU. The ... (it uses it, bit it doesn't run on the Spectrum, but ...Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... ;Change to include screen or ROM
ld bc,42240 ... you want to
;use a bigger magic number, to ... whether there is ROM, or not. It doesn't use self-modifying code ... so it can run from ROM ( ...Raising to the powerA curiosity of ZX Basic I found yesterday is that you can't do this: [code] 10 LET x=-3 20 LET y=x^2 [/code] While you can for example do LET y=-3^…
... explained ...
The Spectrum ROM calculates X^Y as EXP ... therefore the Spectrum '^' function won't work for negative numbers and ... 's an alternative function, which doesn't use repetitive multiplication or recursion; so ...Problem with DIY Kempston Joystick InterfaceHello, Decided to try out Yarek's Kempston joystick interface: [img]http://8bit.yarek.pl/hardware/zx.joystick/kjschem.gif[/img] Having a few issues.…
... logic array' IC.
t
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you ... uses a rom like "custom programmed IC". You can use a eprom ... [/url]
This one doesn't use any special chip.
This one doesn't have K/S selector. It ...New game: The curse of OddvilleDon't get too excited! :p Just wanted to share this because the coding of it is driving me mad, or rather the game designer is. The curse of Oddvil…
... />
*[SIZE="1"]CGD doesn't use the ROM print routines, so it will ...US Timex-Sinclair 2068 in EuropeWhilst in the States, I convinced a colleague to bid on a Timex-Sinclair 2068. We won the auction with a price much better than in Europe. Next time …
... , I also have one that doesn't use the cartridge port but actually ... which I popped a speccy rom chip on that does the ...The first speccy game you ever clapped eyes onMine was Jet Set Willy round an old mates house back in the early 80's, I was mesmerized!
... =napoleonblownaparte;712893]I think probably Manic Miner, round at my mate's ... 1.[/QUOTE]
Manic Miner wasn't the first Spectrum game I ... finally figured out how to use it :)Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... [/b]'s tapes, I don't much rate the chances of ... "nasty" WAV, and that loader doesn't use delay loops. I think 47loader ... the sampling loop, count the T-states it requires and try ... width for the loader? The ROM and Sentient loaders, being developed ...SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
... at address #000B in ZX rom must be JP #ZXRAM and ... . Your code can't call parts of ZX rom, only after return ... . The code doesn't use many ROM routines but it does use the floating point ...
