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Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... CP H ; Have we reached ROM - $3F ?
JR NZ ... CP H ; Have we reached ROM - $3F ?
JP ... : CP H ; Have we reached ROM - $0000 ?
INC HL ... -
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
Hi
In the spanish forum speccy.org some guys ... /PAL/CPLD/FPGA) except the ROM.
All sugestions will ... -
SPECTRUM command and 48 BASICAs we (almost) all know, when a young Rupert Goodwins redesigned the Sinclair/Investronica ZX Spectrum 128 ROM 0 in late 1985, he kept the SPECTRUM c…
... Sinclair/Investronica ZX Spectrum 128 ROM 0 in late 1985, he ... which allowed switching to ROM 1 in the Spanish machine, and at ... Spectrums based on the +3 ROM revision? -
Interface 2 ROM cartridges images neededHello! Is there any place i can get the rom images from released interface 2 cartridge games ? Maybe somene has it and can read the image and send …
Hello!
Is there any place i can get the rom images from released interface 2 cartridge games ?
Maybe somene has it and can read the image and send it to me?
Artem -
4 rom cartridges games for Sinclair ZX Spectrum[SIZE="5"][COLOR="Red"]"Space Raiders, PSSST, Jet Pack and Backgammon" FOR USE ON THE SINCLAIR ZX SPECTRUM (ROM CARTRIDGE)[/COLOR][/SIZE] All those …
... THE SINCLAIR ZX SPECTRUM
(ROM CARTRIDGE)[/COLOR][/SIZE]
rom, you will have a chance ... -
The Complete Spectrum ROM DisassemblyHello, looking for a copy of the "The Complete Spectrum ROM Disassembly" book, by Dr Ian Logan & Dr Frank O'Hara, at a fair price. Had it during my …
... of the "The Complete Spectrum ROM Disassembly" book, by Dr Ian ... -
Distribution status for Beckman Innovation AB 48K ROMToday while practicing the black art of WAV to TZX conversion on my copy of the Beckman Innovation AB 48K rom, I wondered who owns the copyright and …
... the Beckman Innovation AB 48K rom, I wondered who owns the ... even have to, considering the rom has copyright from Sinclair Research ... , thereof):
> Nordisk ROM, (c) Sinclair Research Ltd & ... -
ROM-elHi, I have a bunch of [URL="http://store.go4retro.com/products/ROM%252del-23128%7B47%7D23256-FLASH-ROM-Replacement.html"]these[/URL]. They are 23128…
... ="http://store.go4retro.com/products/ROM%252del-23128%7B47%7D23256-FLASH ... -ROM-Replacement.html"]these[/URL]. They ... exactly the same. First is ROM and second EPROM and the ... to write my data into ROM. And then switch on 23128 ... -
TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... TESTROM3 utility as 16kB ROM file + flasher for install ... also on ZX Spectrum without ROM and RAM - use only ... for ZX Spectrum as 16kB rom image.
... work as full transparent rom in divide and user ... can work with 48 rom (olny in divide version ... -
THE ROM CHIPSDoes anyone know which are the ROM chips in ZX Spectrum 128K +2?
Does anyone know which are the ROM chips in ZX Spectrum 128K +2? -
New ZX Spectrum emulator for Jupiter AceProject page (sorry in Spanish) [url]http://retrolandia.net/foro/showthread.php?tid=36[/url] Try it in a Jupiter Ace emulator [url]http://jupiler.re…
Project page (sorry in Spanish)
[url]http://retrolandia.net/ ... 2 banks of 8K of ROM, switching to the second bank ... -
Sinclair 128 versus +2 ROMHi, A quick question regarding ROM compatibility between two 128 ROMs, the ROM for the original black Spectrum + 128K with the heatsink and the grey…
...
A quick question regarding ROM compatibility between two 128 ROMs ... , the ROM for the original black Spectrum ... and if so which ROM do they work with and ... curious to know which ROM would be better to ... I could fit the ROM from the original 128 ... -
Emulators and Rom's on MacSo I finally decided that my mac is not just for work, but also for a little fun (no point in having a top computer if I can't even play Footy of the…
... have tons of years of rom downloading, that I would hate ... -
Velesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…
... +2 PROFI (grey model - spanish version) for sale here:
rom
- new extra ... + memory in full configuration 512kB rom + 512kB sram (ideal for ... />
- big 512kB memory rom is full reprogrammable direct from ... -
Typo in Complete Spectrum ROM Disassembly on WOSobo, of this parish, noticed earlier today that there is a transcription error in the versions of The Complete Spectrum ROM Disassembly [url=http://f…
... versions of The Complete Spectrum ROM Disassembly [url=http://freestuff.grok ... .co.uk/rom-dis/]hosted by myself[/url ... -
ZX Eprom replacing Rom problemsI got a programmer today so I could finally flash the Xicor X28C256 eproms I have with ZX128 rom, to be used in my upgraded 48K machine. But for some…
... eproms I have with ZX128 rom, to be used in my ... works with the original 48K rom, but not with the eprom ... is connected only to the ROM output on the 74LS174 in ... -
Enhanced 128 Editor ROM ?Hi :) Over the years a bunch of people made enhancements to the original Spectrum ROM. The known bugs were fixed, new features added, etc. but has a…
... enhancements to the original Spectrum ROM. The known bugs were fixed ... ever created an enhanced editor ROM for the 128 machines? Enhancements ... -
Looking for Inves Spectrum +, Spanish Spectrum 128K, Microdigital TK-90X or TK-95Hi, As title, I am looking for several different machines. An Inves Spectrum + A Spanish Sinclair Spectrum 128K A Brazillian (PAL-M) or Argentini…
[B]THE ROM CHIPS[/B]Could anyone see and tell me which the exact numbers and letters printed on the rom chips in Spectrum +2 are?
Could anyone see and tell me which the exact numbers and letters printed on the rom chips in Spectrum +2 are?ZX 48 latest rom?Which is the latest rom for the ZX 48? I only know the 1982 version. Micky?
Which is the latest rom for the ZX 48? I only know the 1982 version.
Micky?ZX mask ROM chips curiosityJust out of curiosity... what willl happen if we have a Hitachi ROM and the bridging onboard is on the N positions (for NEC)? While I was searching …
... if we have a Hitachi ROM and the bridging onboard is ... that was set for NEC rom but the chip (socketed) ... a "GI TAIWAN" mask rom (I'm assuming thats a ... working fine, and passes the ROM test on the Sinclair testing ... of the factory, no rom has been replaced and no ...Gyruss rom versionIs is possible to make a "program" from the Gyruss rom version? Micky
Is is possible to make a "program" from the Gyruss rom version?
MickyNew utility: PokemonThis is a poke utilty developped by flopping in the hardware side and me in the software side. In the future will support tape snapshot saving. The …
... NMI buttom
B) A ROM replace or optionally a previous ... now only is available the ROM version. The RAM version for ... finish the developping of the ROM first.
Project link ... (sorry, the text is in Spanish) here:
[url]http ...DIVIDE versus ZX128 ROMDivide interface use hardware mapping of extra memory on this fixed points in 48rom: #0000 - power-on/reset/rst0/software restart #0008 - syntax erro…
... systems often connect only 48rom(rom 1) after each reset/power ... can use autodetection of zx rom type (detect if is active ... on mapping points in external rom memory. Also exist next big ... in ROM0, then this ZX128 rom can be compatible with Divide ...External Rom entry pointHi, this is my first post - so hi. I am writing a rom for the 128k, an just wanted to check a few things. To launch the rom, the entry point is 0x0…
... />
I am writing a rom for the 128k, an just ... .
To launch the rom, the entry point is 0x0000 ... ?
The rom is activated by pulling the ... rom pin high or low on ...Best Spanish game Poll for no spanish WoSsersOK, since polls are in fashion lately, I am curious to see what Spanish game is, for the non-spanish people, the best considered one. Multichoice al…
OK, since polls are in fashion lately, I am curious to see what Spanish game is, for the non-spanish people, the best considered one.
Multichoice allowed :DComplete Spectrum ROM Disassembly book.Hello, interested on a copy of the "Complete Spectrum ROM Disassembly" book. I know they sometimes pop up on some e*stores, but would rather trade wi…
Hello, interested on a copy of the "Complete Spectrum ROM Disassembly" book. I know they sometimes pop up on some e*stores, but would rather trade within the community.
/PedroWanted - Spectrum Shadow ROM DisassemblyHiya, if you've got a hard copy of [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000371&loadpics=1"]Spectrum Shadow ROM Disassembly[/URL] t…
Hiya, if you've got a hard copy of [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000371&loadpics=1"]Spectrum Shadow ROM Disassembly[/URL] that you're willing to part with then please send me a PM. Thanks!PCB for romselector for toastrack/grey +2 giveawayHi guys. I've tried my hand at hardware design, and to my great surprise, my very first design worked as expected... :razz: I wanted to be able to …
... plug into the speccy's rom socket.
A ... /> 1. The Spectrum SE rom
2. The original ... grey +2 rom
3. The OpenSE rom
4 ... Basic
5. The spanish 128K rom translated to english
... . Paul Farrow's ZX81 emulator rom
Be ...
