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Sam Coupe signed ROMThough not strictly Sinclair hardware I found this interesting enough to share. I was looking through the various MGT Sam coupe hardware that I have …
... saw that one of the Rom chips was signed by Gordon ... -
Which games perform checksums on the 48K ROM?I've just modified a version of the 48K Spectrum ROM designed for use on the Timex Sinclair 2068, so that a 16 bit checksum of the ROM produces the r…
... version of the 48K Spectrum ROM designed for use on the ... 16 bit checksum of the ROM produces the result $641F and ... values as the standard 48K ROM.
Does anyone ... performed these tests on the ROM? I'd like to ... try the new ROM out on these games. -
Interface 1 ROM replacementHi All! I wrote down my story because I think that somebody might have similar problem and can find some ideas here how to overcome it... :) Recent…
... br /> I removed the ROM and the ZX Spectrum started ... any commands that needed the ROM, it failed with the ... with an "external Interface 1 ROM":
[IMG]http://gigant ... Spectrum pages in that ROM at only a certain ... is no space for a ROM interface board, so the ... -
Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... br /> Possible applicatons for such ROM:
- debugger with sw ... rewiring RST 0x00 /,
- ROM extensions,
- IM1 routines. ... />
QUESTION: disclaimer ... ROM overwrites address FFFD thus ...what ...
somewhere in ROM /after memory check/ ... -
Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
... Burn Me A Custom 32k Rom But I Would Also Need ... -
Great to be back....and with fun to comeHi all, 1982: I bought a new 16k issue 2 in 1982, eventually got microdrives and a dktronics keyboard (version 1). Built a home made eprom programme…
... so I could modify the rom, and used the Spectrum running ... I've now got the Spectranet interface running a webserver, am ... -
Spectrum Test Program into ROM cartridge?Hello! I need your help! Is there away to put [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Files/Cassette_Files/Test_Program.tz…
Hello! I need your help!
Is there away to put [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Files/Cassette_Files/Test_Program.tzx"]this program[/URL] into a Rom cartridge?
Many thanks in advance. -
404 for Retroleum's daignostic ROM: Request.[url]http://www.retroleum.co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum/[/url] I'm getting access denied when I try to downl…
... .uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum ... try to download the Diagnostic ROM, I've just emailed the ... -
SpectraNet InterfacesThanks to Dylan, I have now listed some more SpectraNet interfaces on SellMyRetro - [url]http://www.sellmyretro.com/offer/details/%2ABRAND-NEW%2A-Sin…
Thanks to Dylan, I have now listed some more SpectraNet interfaces on SellMyRetro - [url]http://www.sellmyretro.com/offer/details/%2ABRAND-NEW%2A-Sinclair-ZX-Spectrum-Spectranet-%28Ethernet-add-on%29-2511[/url] -
JET PAC ROM & INTERFACE 2Hi - I have two items for sale either singularly or together- A working Interface 2 and a working Jet Pac ROM cart- (in box but no instructions) I am…
... and a working Jet Pac ROM cart- (in box but no ... -
Strange ROM in grey +2I got a grey +2 for repair and I got it working. However, when I did some final testing, I realized there were no key-clicks either in 128K or 48K mo…
... expect. I pulled out the ROM and replaced it with a ... /> I wonder what is this ROM, are there any other modifications ... -
Need help finding multuface rom identification tap fileI've just recently got my first mf1 and I think it may be early it has a pass through and the hole in the case for the joy but no connector and in th…
... /> Maybe some body has the rom id tap file drop boxed -
ROM Calculator TrigHello, These Christmas holidays I finally have time to devote myself a little to the speccy . I have a question about how the ROM calculator implem…
... a question about how the ROM calculator implements cosine.
ROM just a simpler procedure.
ZX rom type detectionHere is routine for fast detection of zx rom / computer model. [URL="http://velesoft.speccy.cz/other/ZXROMDETECT.zip"]http://velesoft.speccy.cz/othe…
... for fast detection of zx rom / computer model.
[URL ... +2 SPANISH
255 = UNKNOWN ROM
Source code:
rom type from 48basic rom.
I compare ... . Only original ZX Spectrum 48 rom contain byte #BF at address ...Spectranet + Interface 1?Hi all! I'm having fun with that work of art, the Spectranet. But I can't get it to play nice with an Interface 1 even though that is stated to be …
... that work of art, the Spectranet. But I can't get ... Spectrum (48k) - IF1 first, then Spectranet - I am unable to use ... />
If I connect the Spectranet first, then the IF1 (a ... weird set up) then the Spectranet commands work properly but the ...Rom questionHi Can .rom files be viewed? I am curious to what the .rom file looks like. I saw some versions that have been modified and have source code to vie…
Hi
Can .rom files be viewed? I am ... curious to what the .rom file looks like.
So is a rom file just compiled assembly code ...Spectranet and DivIDE 2k14This is a bit of an odd one - a customer purchased a Spectranet from me, and found that after an hours usage on his Spectrum +2A, he could no longer …
... /> I sent him a replacement Spectranet and this showed similar issues ... the same time as the Spectranet.
Once Dylan ... UK, he tested the first Spectranet interface, and at first ... itself, or the combination of Spectranet + DivIDE 2k14.
...ZX81 SP ROM Disassembly<div>Hi All,</div><div><br></div><div>For anyone who is interested in ZX81 Assembler and ASZMIC ROM...</div><div><br></div><div>I have created a disa…
... in ZX81 Assembler and ASZMIC ROM...
I have created ... disassembly of the Comprocsys SP ROM for ZX 81 froman ... conjunction with the Comprocsys ASZMIC ROM or without (via ZX81 BASIC ... commands).
SP ROM Disassembly Xcode project is available ...Destroyed my ROM. Need a new one...I was messing around with my 48K rubberkey's ROM trying to read its contents with the programmer we have at work but in my haste and excitement I mad…
... with my 48K rubberkey's ROM trying to read its contents ... have ended up blowing the ROM up *[i]hangs head in ...Interface 1 Rom UpdateHi, I have an Interface 1 with a version 1 Shadow Rom, I would like to update it to Version 2. I think IF1 Rom v2 code could be burned into a T…
... with a version 1 Shadow Rom, I would like to update ... .
I think IF1 Rom v2 code could be burned ... there maybe a version 3 rom, was that ever released.Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…
... br />
First ROM has Checksum: SHA-1: C8BAAEF66AB7FBF457BA76B783C02434CC5E2130 ...
Second ROM has Checksum: SHA-1: ... to
Vision GUI with ROM-size 16k.
Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …
... problem with the pixel address rom routine at 8874.
Going by the ZXSpectrum Rom Dissassembly book, I'm trying ...SpectranetI have been looking for information on the Spectranet and am struggling to find very much. As I understand it, a 48k Spectrum fitted with one can 'ta…
... looking for information on the Spectranet and am struggling to find ... understood correctly? And is the Spectranet still available? (or are Eagle ...128K Toast Rack / +2 Grey Bug Fixed english ROM ?Just spotted this on ebay before ending: http://www.ebay.com/itm/1x-Sinclair-ZX-Spectrum-128K-Toast-Rack-2-Grey-Bug-Fixed-english-ROM-/26206065205…
... -2-Grey-Bug-Fixed-english-ROM-/262060652057?hash=item3d04083619:g:i ... to place a 128k Toastrack Rom on a grey +2? Any ... , a grey +2 with that ROM would become the most compatible ...Spectrum+ 128k ROM replacementHello, I want to change the stock ROM of my Spectrum+ 128k with an EPROM ([url="http://pdf.datasheetarchive.com/datasheetsmain/Datasheets-32/DSA-6…
... want to change the stock ROM of my Spectrum+ 128k with ...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 ...
