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How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... to 16383 is reserved by the Speccy ROM so u can't ... don't actually 'print' the results in the AL program since printing ... a ROM routine to print but that's another topic). The principles ... , location 32000 will have the result of the addition.
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How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... speccy understand). Disassembler does the opposite. Wots the use, u ask? < ... proggy" 32000 will cause the DA to load the program "proggy" in ... to "look" in to the Spectrum ROM to see wot it holds ... lots of interesting routines inside the ROM that one could have a ... -
Is there anything new to comeApart from doom. I personally don't think there has been anything all that innovative on the pc. Whereas the Speccy had handfuls of games in that c…
... think the cd-rom (i hesitate to call it a game in the ... running, shooting, jumping with all the plot sophistication of an Arnold ... br />
And in the days of the speccy, Deus Ex Machina ... a bit limited by the capabilities of the speccy, but still interesting ... -
+2aI have a +2a and it wont boot properly get the white border with black square when first powerd on but then just goes into a black screen instead of …
... garbage
2) Fried ROM, in which case you' ... an EPROM loaded with the +3 ROM
3) Screwed ...
Myself I think the ROM is fried. This would make ... zeros and explain why the screen is black and ... why nothing is happening (the Spectum starts executing at ... -
Vriting +D discsDoes anybody here knows of a way to write +D discs on a PC? Like, some utility to put .sna on +D discs, or something like that... Thanks in advance.
Realspectrum and X128 support real +D disks in the PC's floppy drive, but your floppy controller might not be up to it - the newer ones can't read/write the +D disks. See the emulator's docs for details on how to load the +D rom etc. -
line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... ld (SGNX),a ; // The x-values are decreasing
The x-values are increasing
The y-values are decreasing
;; Ported from the ZX ROM PIXEL-ADD routine
machine code basicsWondered if anyone can help me out. I have been playing round with some disassemblers (Zeus). And Machine code loaders. All I want to do is print my…
... CALL #1602
The address of the channel opening routine is ... see that you've skipped the doubling so that stream 1 ... opened. As this is the lower screen the OK prompt quickly
the Spectrum ROM
that prints 'canned ...Microdrive fault.I guess some of you may know this... My microdrive has a problem: the motor starts running as soon as I plug the computer in, and won't stop! It is …
Is this not the I1 ROM bug - not enough memory put aside in some buffer
or other?Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…
... in the development on the first ROM, Dr Andrew Pennell assisted in the development ... SHADOW 19A4 1E94 1E96 call the shadow ROM routine addressed.
33 ... SCAN_M ---- 1FE4 1FE6 read the next cartridge ...Certain Games Wanted - Very Good Prices PaidHi I have been after a few games now for ages and have turned to this forum as the last resort, can you help? I will pay ?5.00 for each of the follo…
I have now obtained the following rom carts:
Chess - Psion< ... /> I am still looking for the following two:
Cookie ...ZX81 Emulator (HARDWARE FREAKS NEEDED!!!!)For the ZX Spectrum I have programmed a ZX81-emulator. ZX81 games can't run directly on a ZX Spectrum due to memory adresses used by the Spectrum (li…
... memory adresses used by the Spectrum (like ROM).
If however ... interface, you could load the ZX81 ROM in it and use it ... .
The only problem that remains ... program an emulator inside the EPROM on the adresses 8192 - 16383 ...Hardware specialists ?????Are there any Sinclair hardware specialist around here? I think most of you are more gamers and I need a hardware specialist for some questions!!!!
[quote]1) Replace ROM with ZX81 ROM and make screenadresses point to ... a +2A/+3, load the new ROM content in page 4, switch ... and make page 7 the active screen.
The overall speed will ... be somewhat slower, because the above mentioned pages are video ...Ultimate second handOK, I'm toying with tracking down my missing Ultimate games second hand since they are not available for download. Does anyone have any idea on the …
... the 4 ROM cartidges... then the buget range.... then the games for the ... other formats and the ... tapes
The list will go on and ... on..
The only thing that`ll still ...Randomize USR xxxxxA weird topic: When I was a kid I use to mess around with the RANDOMIZE USR xxxxx, sad I know!!! For instance RANDOMIZE USR 51234 would give me a loa…
The Spectrum was the first computer to have the splitted in several ROM-routines ... br /> RANDOMIZE USR 51234 calls the RAM, so a user-written ... own programs I recommand reading THE COMPLETE ROM DISASSEMBLY (also online available ... USR 1331 to test the sound.Speccy loading schemesI was wondering. How did programmers get those spectrum games to load using the different loading schemes like the faster loaders?(speedlock) Did the…
... using the standard ROM-loader
they programmed their own loader. The ... be to copy the ROM-loader and change the coloring from the OUT and ... .
If you change the timing, well then you would ... fast loader.
The same principal is used to ...Spectrum ROMI downloaded some text files (they are actually the spectrum ROM files but in text) which can be compiled using TASM (or soemthing). I read on WOS th…
... i managed to change the default loading colours now ... pink and green for the lead-in colours and black ... and white for the data colours - i ... just didnt know what the colours were, after all ... is there a dissasemmbly of the 128K ROM out there? I found ...Spectrum ROMI downloaded some text files (they are actually the spectrum ROM files but in text) which can be compiled using TASM (or soemthing). I read on WOS th…
... posts
here. The first part of the 48K ROM is almost
identical to the original although ... it is correct in the Sinclair Amstrad ROM it is wrong in ...The funniest thing we made with the spectrumHello. The funniest thing i made with the spectrum were championships with my buddy francisco on a game called 3d stunt car racer, i think that was t…
... message different form the one in ROM (pretty simple stuff). The programm consisted ... routine was still calling the old ROM one (so the keyboard might be ... scanned)
I took the programm ...Another Spin problem game?Anyone else tried loading Doomsday by Relion software? Doesn't seem to want to load.
... mode, and use a ROM with no custom mods. ... you want, flashloading will load the game near instantly.
... 're using the latest version of SPIN - the GLTest versions ... on my site are the most up to date ... with Doomsday since I used the correct ROM :)
...My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... 2 normally is and where the ROM is shadowed. As RAM 2 ... and extra 128k ROM as well as the 48k ROM are mapped onto ... is the ROM RAM(!), RAM00-RAMFF is the uncontended RAM, VRAM is the contended ... biased to the top 32k whilst the ROM is biased to the bottom 32k ...Games on CD -IDEANinety mins of games? Wow! Nice thought, isn't it? So why dosen't anybody release compilations of games for the speccy here?
And you could also make a program that redesigns the BIOS ROM! Hey, I'm having a brainstorming session!The Great Mystification: A reflection upon the feebleness of the "distribution denied" policyThis argument has been debated several other times in this place, yet I have not expressed my thoughts about it, and I would like to hear comments by…
... it to live on, hence the usefulness of emulators.
The same applies to The Amiga emulators. I really ... surely having once paid for the hardware and software, I should ... get amiga emulators, but not the kickstart rom. It's criminalThe Great Mystification: A reflection upon the feebleness of the "distribution denied" policyThis argument has been debated several other times in this place, yet I have not expressed my thoughts about it, and I would like to hear comments by…
... on do not make the fundamental distinction between emulation ... on ROM sites distributing ALL roms they owned, not just the ... GBA. Each ROM you download potentially loses the company money.
[3] Rage of the Dragons ROM for the NeoGeo system has been ...Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... but a bug in the original ROM caused the printer buffer to be ... cleared at the end of the COPY ... transient printer buffer in the 'Sea Change' ROM and you can have ... find plenty of clues in the ROM to suggest this was once ...Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... interesting thing which, IIRC, uses the printer buffer area to do ... known but fun "feature" of the 48k ROM :)
D ...printer port redirect to (Windows) system printerIs there any emulator (+2A/+3 compatible) that can be configured to output the, say, parallel printer port to the Windows system port ? The default o…
I've been looking at the Spectrum ROM - and it's a ... than sending escape codes. Basically, the printer responds to any OUT ... />
This value passed to the port determines pen and motor ... would pretty much output garbage. The software would have to decode ...printer port redirect to (Windows) system printerIs there any emulator (+2A/+3 compatible) that can be configured to output the, say, parallel printer port to the Windows system port ? The default o…
... looking at the Spectrum ROM [...]
This value passed to the port determines ... motor state - and how fast the printer should move. [...][/quote]
the ZX printer.
I ... was speaking about the +3/+2A printer port ( ...Spectrum edge connectors and 'Dataman Softy S4'Hi, I moved this from the sales thread because it seems more appropriate...anyway... I was twerping around the idea of turning a Spectrum into a we…
... connecting a Dataman S4 to the edge connector; I can ... If you want to have the Spectrum behave as usual, you ... (very) short program running in the Spectrum to do this code ... deassert /ROMCS and join the Spectrum ROM somewhere within its initialization sequence ...Spectrum edge connectors and 'Dataman Softy S4'Hi, I moved this from the sales thread because it seems more appropriate...anyway... I was twerping around the idea of turning a Spectrum into a we…
... . I've managed to confuse the Spectrum and its American cousin ... 's /ROMCS is the actual active low rom chip select which you ... should hold high to disable the internal ROM, just as you did.New SPIN 0.3a releaseHi all, here's the next version - mainly a maintenance release, with new bugs :) Here's what's new: V0.3a - Bugs and more tapes -------------------…
... option which substitutes the sebasic.rom for the basic rom on *all* the hardware it ... emulates, patching the editor roms ... in the process. (the ...
