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48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…
... EPROM containing the 48K ROM and a diagnostic ROM from Paul Farrow ... 've found of doing the ROM - EPROM replacement, either the ... diags.
Sanity check ROM burner (MQP Pinmaster 48) by ... reburn the 27c256 with stock ROM (previous attempt had been with ... -
WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…
... which writes the TR-DOS-ROM v4 / v5 to ... #3C06 = 15366 dez = DOS / ROM ON
;TR-DOS v4 ... I compare the Bytes from ROM-Files, it seems with ... copies the standard Spectrum 48k ROM to adress 40000
... and NOT the Betadisk v5 ROM (because it´s not paged ... -
I don't think I'm getting the $22AA Pixel-Add rom routineDear all, I'm misunderstanding how the PIXEL-ADD rom routine works. My code... [code]ld b,175 ld c,1 call $22AA ld (hl),a ret[/code] So…
... misunderstanding how the PIXEL-ADD rom routine works.
My ... that, I'm assuming the rom routine at $22AA will convert ... -
Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…
... -baker-chapter-17-disassembling-the-rom/"]here[/url].
Thanks ... -
Where can I find accurate ROM functions map?Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly wh…
Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly what I want. Would also help keep program size small. -
ROM checksum tool.A recent post by Rorthron reminded me about this category and how little activity it's had since it was set up. :-S Reading through the "preservat…
... .worldofspectrum.org/forums/discussion/52364/rom-checksum-utility"]in Sinclair Miscellaneous ... -
Complete Spectrum ROM Disassembly copyrightApologies if the answer to this question lies somewhere in the bowels of this forum, but I couldn't find any information on it. It's impossible to…
... of the The Complete Spectrum ROM Disassembly (by Logan and O ... SkoolKit job on the Spectrum ROM and publishing the result. Being ... -
Suggestion for ZX Uno improvementsI really enjoy my ZX Uno, however, I do see some improvements that I think could be made to the Uno. 1) When you press CTRL-ALT-Backspace or when …
... sure what the 48K Cargo ROM is about, nor Rooted ZX ... games such as Pssst, Jetpac, Cookie etc.. You could place a ... -
ROM disassembly of CAS disk interfaceI finished disassembling of the ROM with operating system of CAS (Cheyenne Advanced Systems) disk interface. This interface is a clone of Beta 48 and…
I finished disassembling of the ROM with operating system of CAS ( ... -
The Complete Spectrum ROM Disassembly - SkoolKittedAs [url="http://worldofspectrum.org/forums/discussion/52745"]indicated previously[/url], I've recently been working on converting Logan and O'Hara's …
... and O'Hara's Spectrum ROM disassembly into SkoolKit format.
rom/"]The Complete Spectrum ROM Disassembly[/url]
Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... ships with 48.rom (16384 bytes) and plus2.rom (32768 bytes). Looking ... in the Complete ROM Disassembly I made the following ... br />
In the plus2.rom file I changed:
ROM disassembly.
Many ...Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
...
* Do not need the ROM at all
* Have motion ...ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
... />
I am using the ROM print routines a lot in ... character. I'm assuming the ROM print routines are updating other ...can a backup device damage the spectrum ROM?as above. been using a specmate device which seems to have corrupted my speccys ROM.
as above. been using a specmate device which seems to have corrupted my speccys ROM.how to edit a romhi, i just wanted to know the best way to edit a rom. im going to do it in an emulator first and then run it in a spectrum.
hi,
i just wanted to know the best way to edit a rom. im going to do it in an emulator first and then run it in a spectrum.where is border/ink, etc stored in rom?hi, i just wondered where these were stored in rom and how i change these?
hi, i just wondered where these were stored in rom and how i change these?Wanted - Space Raiders ROM CartridgeI keep an eye on eBay and there's a Space Raiders ROM cartridge up for sale at the moment, but I don't think it's worth £70 for such a tatty box. …
... there's a Space Raiders ROM cartridge up for sale at ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... issue 6a. I suspect the ROM may be bad, but other ... otherwise working speccy removing the ROM gives a very specific screen ... problem to the ROM.
But the ROM (a NEC type ...Horace and the Spiders and Planetoids ROM cartsOffloading another 2 rare ROM carts, in pretty good nick. £60 for both seem fair? [img]https://s15.postimg.org/y9mibpyrf/2017-05-02-1095.jpg[/i…
Offloading another 2 rare ROM carts, in pretty good nick.
£60 for both seem fair?
[img]https://s15.postimg.org/y9mibpyrf/2017-05-02-1095.jpg[/img]
[img]https://s2.postimg.org/eloo6fdqh/hats.jpg[/img]128 toastrack ROM "upgrade"Hello all As I hate the UK-model menu & editor I would like to replace the original with the (translated) Spanish ROM but can't find any plain image…
... original with the (translated) Spanish ROM but can't find any ... me in EightyOne only as ROM-cartridge (as it should), not ... as ROM replacement.
Any hint ...ZX ROM in 64 characters a lineDear ZXS users, I am glad the today's release is not only concerning MB-02+ as it is normally the case with me, but it concerns really everyone, sinc…
... everyone, since everyone uses ZX ROM :).
Busy agreed and ... created superb ROM patches which make ROM print in 64 ...ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... 20ns. But the ZX Spectrum ROM chip timing shows that its ... to somehow wire ZX Spectrum ROM slot to some fast PC ... feed read the ZX Spectrum ROM address and feed it data ...Boots compilation "10 Titles for the Spectrum Plus" protected by speedlock 2http://www.worldofspectrum.org/infoseekid.cgi?id=0013156 it appears that the first tape uses speedlock 2 protection scheme for the following ultim…
... /> Jetpac
Atic Atac
Cookie
Pssst
... ram which makes Jetpac, Cookie, Pssst incompatible with 16K ... and Lunar Jetman use standard rom loader.
I ... 150% speed acceleration compared to rom loader.
I ...+2 Black Boot Rom Selectionhello, i have a custom ROM with a test RAM software burned in that i have used before to troubleshooting ram problems on my +2 grey, is there a…
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i have a custom ROM with a test RAM software ... that +2 black has 2 rom ICs, is there any technique ...Afterburner rom showing sound options in 48K mode?I am running an [i]Afterburner (1988) (Activision)[/i] rom (which I can't remember where I got it from) that shows the music or sound effects choice …
... [i]Afterburner (1988) (Activision)[/i] rom (which I can't remember ...Burning a ROM for a 128k +2 (Grey)Hi Guys, I would like to change the 128k +2 menus I have actually in French with English. The OS is in a 27C256 eprom. I do have a programmer and …
... where to get the correct rom file to load and how ...Precisely what is the ROM licencing situation?Freeware use, that is. Are the Speccy ROMs allowed to be used in any utility related to Spectrum emulation, or just in actual emulators? Is it …
... to use part of the ROM (I'm thinking specifically of ... set), or does the entire ROM have to be used?
Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…
... Speccy with a dual boot ROM loading on first bank the ...Bug fixed ROMHi Folks, Is there a bug fixed 48K ROM that is totally compatible with the original? I have searched the internet but the ROMs I have found all s…
Hi Folks,
Is there a bug fixed 48K ROM that is totally compatible with the original? I have searched the internet but the ROMs I have found all seem to have extra functionality.
Many thanks
Paddy
