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Spectranet updateOK, so I've not written an update here for a while...so here's a quick summary, the gory details are on the Spectranet news page on my wiki. * Hardw…
... , LEDs, ethernet socket, program the CPLD, program the flash ROM). I want ... -
Assembler intricaciesHi all, I've been looking at the internals of a game to see how it all works and I've found some things that I don't understand and can't find any i…
... to me when a few rom calls and some compares would ... I don't understand is RST 48 (48 is decimal, so ... 's a call to the ROM routine to clear some space ... -
128 ROM disassembly - any experts on accessible PDFs?I've created supposedly accessible PDF versions of the Spectrum 128 ROM disassemblies at: [url]http://www.matthew-wilson.net/spectrum/rom/[/url] An…
... versions of the Spectrum 128 ROM disassemblies at:
[url ... ://www.matthew-wilson.net/spectrum/rom/[/url]
Anyone know ... -
Upgrading the Humble Spectrum 128 +2 (Grey)Hello there my fellow WoS'ers I am at a subtle in-pass in my wants for one of my +2 motherboards. I received this mobo, DOA in a job lot from fleab…
... dead CPU, a rotten CPU socket (some gunk had gotten into ... /3 models with the +3e ROM, but what about the original ... only use a single 32K ROM as opposed to a 64K ... (2x 32K) ROM. I would like to have ... -
quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…
... $1601 ; select print channel using ROM
[B]ld hl ... done if it is
rst 16 ; spectrum: print the character ... -
Sinclair ZX81 ZXPand Interfaces Now AvailableWe are pleased to announce the launch of the ZXpand Interface for the Sinclair ZX81 Home Computer. The ZXpand interface is a brand new interface for…
... are added to the system ROM to allow you to load ... card.
• The new ROM can be switched off once ... connect a 9 pin joystick socket to enable you to use ... -
Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…
... IF2 and it has this ROM cartridge slot. How does it ... .i. does it replace ZX ROM and consequentially prevents you from ... calling any ROM functions? If so - is it ... -
Rom ReplacementQuick and easy question... Is it possible to replace the +2 rom with one from a later model (+2A, B, +3)?
Quick and easy question...
Is it possible to replace the +2 rom with one from a later model (+2A, B, +3)? -
ZX80 Rom and Z80Can you pop a ZX81/TS1000 Z80 in the ZX80 as is and can you burn a rom to eprom and pop in? I'm watching an auction on Ebay and both Z80 and ROM are…
Can you pop a ZX81/TS1000 Z80 in the ZX80 as is and can you burn a rom to eprom and pop in?
I'm watching an auction on Ebay and both Z80 and ROM are missing. -
IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…
... plugs into the Z80 CPU socket and provides an IDE header ... are equipped with the +3e ROM. These adapters are also compatible ... equipped with the PP ROM (Pera Putnik ROM).
Finally these ... ), again equipped with the PP ROM.
Now, ... -
Weird Nero burning rom problemA few months back, I suffered a bad sector on my harddisk. It wasn't a big deal at the time as it was fixed after a reboot and disk scan. However, …
... sector trashed my Nero Burning Rom folder. I couldn't uninstall ... -
New Flash Rom Board for +3 and Black +2As per the other thread I've now sold out of these boards. There is however the possibility of getting a new batch made, and at the same time making …
... expansion device with a flash rom reprogrammed itself. This led to ... -
Repaired some 128K's todayI have lot's of ZX Spectrums laying aside with some more complex defects. Today I decided to try to fix some of them. I thought: why not share my ex…
... the Z80 and soldered a socket (made of 28 pin dil ... /> One has a problem with rom-selection, and mostly ends up ... removed it and soldered a socket.
I desoldered a PAL20V8 ... '.
I then soldered a socket for the ram chip, grabbed ... -
Undefine functionHere's a routine to selectively remove variables from the VARS area and reclaim the space. This can be done partially from BASIC already by assigning…
... /> [code]
RECLAIM2: equ $19e8 ;ROM routine RECLAIM_2
SCANNING: equ ... $24fb ;ROM routine SCANNING
LOOKVARS: equ ... SCANNING
inc ix
rst $18
cp ","
... -
Rom cartridges: sell separately or together?I have 3 boxed original rom cartridges: is it wise to sell them separately or together in one auction? I also have an Interface 2, so together with …
I have 3 boxed original rom cartridges: is it wise to sell them separately or together in one auction?
I also have an Interface 2, so together with the interface seems to be the best choice to me.
But what do you think? -
Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... took it out of the socket and the resistance is out ... further, the CPU and the ROM chips are not socketed so ... -
Beta/Sam/Master basic as spectrum ROMWith emulators being trivial to use to insert new ROMs into - and even in the physical world, RAM in place of ROM by use of a modified multiface or s…
... world, RAM in place of ROM by use of a modified ... -
ZXC3 "ROM erasing failed"This has happened to me before but I managed to figure out a way to write a compilation back, cant for the life of me remember how now, basically, th…
... how now, basically, the ZXC3 ROM cart got corrupted in a ... -
New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... />
You need a modified ROM. But if you have a ... can try it without modified ROM: these models has special paging ... it works by emulating the ROM code with RAM).
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... do, I connected the cinch socket to a cheap rear view ... could use the "tape out" socket, the "Save To Tape" option ... , Gianluca Carri's "Spectrum Shadow ROM Disassembly" and a few other ...Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... relevant section of the ROM program is disassembled below:< ... ://drizzle.zigg.net/ZX/ROM-Memory_test.jpg[/IMG]
ROM code passed from ... next instructions retrieved from ROM) and 32767 was taken ... repair, a 16 pin socket and 4164, this Spectrum ...ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …
... spectrum which must activate its rom (actually static ram) on NMI ...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?
ArtemWhat's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... />
call 3503 ; ROM routine - clears screen, opens chan ... 's horizontal position.
rst 16 ; set the horizontal coord ... ,32 ; SPACE character.
rst 16 ; display space.
...48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... incident too. I soldered the socket into place without too much ...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 & ...Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... \
*.rst *.sym *.lib *.bin *.mem *.lib kernel.s *.rom *.lnk[/CODE ...
