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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 ... -
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 -
EMUZLOADER errorI've been sent some program files in EMUZLOADER format. One won't load as the unpacking doesn't stop when it reaches the top of the stack at $408F bu…
... address to be at the end of the data (ie. where ... going to be addressing the ROM by then. -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... permission specifically prohibits using the ROM in hardware. Therefore it ... (the tokens are the same as in the original ROM so ... before entering a line, providing tokens are in UPPER CASE and ... execute correctly on the original ROM.
* Improved SCREEN ... -
Journey's End III was a big fan of Journey's End and invested many months of my life in playing this very hard game. I even had plans in 1987 to make a follow up. In…
... big fan of Journey's End and invested many months of ... -
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 ... -
Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…
... microdrive programming (without using IF1 ROM). I see one can use ... microdrive calls or IF 1 ROM calls?
What is a ... microdrive?
How to detect end of tape? -
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 ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... machines with the OpenSE ROM (or similar ROM which tokenizes).
< ... end of its initialization, there's something to run where the ROM ... chip enable on the ROM. Both the ROM's chip enables must ... be active - so basically, the ROM itself combines the /ROMCS and ... -
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? -
FA: Spectum & C64 Games on eBay UK - End 2nd September[B][COLOR="Red"]*** Ignore the title! These end tomorrow - Sunday 9th September! ***[/COLOR][/B] Guys, I have nearly 70 Spectrum games up on eBay U…
... ="Red"]*** Ignore the title! These end tomorrow - Sunday 9th September! ***[/COLOR ... on eBay UK due to end tomorrow (Sunday 9th September) evening ... -
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 ... -
multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is -
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 ... -
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 ... -
[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? -
end of the world?do we have some end-of-the-world/apocalyptic/post-apocalyptic game? surely various adventure games as: i will survive!, four minutes to midnight, e…
do we have some end-of-the-world/apocalyptic/post- ... shock, the time of the end, virus, width of the world ... -
A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…
... being able to put function tokens in strings without a great ... -
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?
Micky -
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 ... -
Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…
... BYTES routine in the ZX ROM. This causes the peripheral' ... This may be the BASIC ROM itself in the case of ... was returning via the Spectrum ROM's SA/LD-RET ... no need for the Spectranet ROM to return via SA/ ... , otherwise we'd just end up returning straight back into ... -
Spectrum 128k +2 grey and EPROMhi all, i am try to fix my spectrum, right now i am little on dead end... i think a good idea is to test RAM/ROM on the Spectrum so i will try to c…
... i am little on dead end...
i think a ... idea is to test RAM/ROM on the Spectrum so i ... the other to load a ROM software from here
[url ... -
Complete 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.
/Pedro
