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alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…
... few patches to the standard ROM to make it use the ... shadow screen by default. The ROM is reorganised as follows:
I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…
... over 1 kilobyte of unused ROM memory, from address 14446 to ...Spectrum 128 ROM disassembly - updatedPaul Farrow has done a brilliant job in updating the disassembly of the Spectrum 128 ROM. Updates here: [url]http://www.mjwilson.demon.co.uk/rom/[/u…
... disassembly of the Spectrum 128 ROM.
Updates here: [url ... ://www.mjwilson.demon.co.uk/rom/[/url]
There are ...Spectrum +2C Rom by Andrew OwenHi, I've downloaded the Spectrum +2C rom on the Philip Kendall's site (plus2c-0.rom). Can I replace the original BASIC 16k ROM with a 27C128 burned …
... downloaded the Spectrum +2C rom on the Philip Kendall's ... site (plus2c-0.rom).
Can I ... replace the original BASIC 16k ROM with a 27C128 burned ... with that rom file on a "real" ... ? If it is - what rom should I remove?
16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
... am looking for a 16K Rom-code (to fit into ... with Winstons Diag Board for Rom code storage and Piters simple ... the Diag board IF 1 rom paging in does not ... I am looking for a rom which already has the necessary ... I found the sea change rom but the used header format ...BASin r14d - Final bugfix for the r14 seriesOk, there's not a great deal to "show" here, as most of the work has been going on "under the hood" so to speak. And there's been a [i]lot[/i] of wor…
... .
Fixed - Scientific notation numbers (such as 1e7) would not ... +2 by paging the editor ROM in inappropriately. (Jimmy)
... versa.
Fixed - BIN numbers were being truncated by the ... AOwen)
Fixed - Binary notation numbers after a $C4 (BIN Token ...[Discussion] Planned corrections to: The Complete Spectrum ROM DisassemblyOk, folks. Since I'm not obtaining replies from those involved in the previous effort to transcribe The Complete Spectrum ROM Disassembly, I'm going …
... to transcribe The Complete Spectrum ROM Disassembly, I'm going to ... ]http://freestuff.grok.co.uk/rom-dis/[/url] informing them of ...Q on overflow on subtraction of 2 numbers.I came across this bit of code (paraphrased for clarity) that set the overflow flag on subtracting two numbers: result = A - B; overflow = (((A ^ B)…
... overflow flag on subtracting two numbers:
result = A - B ...Horace & Spiders ROM, boxed Elite, Deus Ex Machina, Ultimate stuff -- and loads moreHey guys, So my painstakingly built Speccy collection has all gotta go! [url]http://shop.ebay.co.uk/merchant/boblikely[/url] (scroll down for the S…
... ) * [B]Horace & The Spiders ROM cart[/B] * [B]Dun Darach ...Couple of questions...Howdy, 1. Is there a decent way to get a random number in BASIC/MC? I've been using LET a=INT(RND*2)+1 but the numbers tend to stay at 1 or 2 most …
... (RND*2)+1 but the numbers tend to stay at 1 ... messing about with getting numbers from the ROM and masking bits to ...MGT PlusD/Disciple ROM statusNot quite sure where to post this, but I'm guessing that emulator authors might be well-placed to answer this... Does anybody know what the status o…
... modified version of the PlusD ROM code. Who owns the copyright ...ROM versions for +2A/+2B/+3Exist any other original versions of +2A/+3 roms than this ? [url]http://www.zxspectrum.it/_P3.htm[/url] Where is used v4.0 and where v4.1 ? ZX Spec…
... +2A/B machines = contain only ROM v4.0 ? In ZX128+2A ... find only one spanish rom version 4.0. Rom 4.1 is ... /+3 rom numeric KEYPAD as original ZX128 rom ?
Exist +3 rom disassembly ... any way for detect +3 rom version 4.0 and 4 ...Rom upgrade(s) for the Humble spectrum +2 (not 2a or 2b)Hello there my fellow forum chummies, I was thinking today, after reading all this lovely rom burnery stuff, is there a way I could update the ROM o…
... , after reading all this lovely rom burnery stuff, is there a ... way I could update the ROM on my +2.
ZX81 ROM - GPL / source code?I've had a quick look around but can't find the original thread, if any. There are various mentions of the ZX81 ROM being released under the GPL, and…
... various mentions of the ZX81 ROM being released under the GPL ... back to the original ZX81 ROM?ANN: ZX Spectrum +2g ROM setI'm working on another modified ZX Spectrum. This one is based on the +2A. There's quite a lot of work to do on the hardware but the ROM set is prett…
... on the hardware but the ROM set is pretty much finished ... /> 3: The original 48 BASIC ROM
The Spanish editor ... /> UK (switch to UK editor ROM)
USR 0 selects ... hardware enabled.
SPECTRUM selects ROM 3 with the additional hardware ...Rom Loader questionI want to generate a wav file from a tap file that will load in a Spectrum, so I've had a look at the [URL=http://www.worldofspectrum.org/ldbytes.htm…
... ://www.worldofspectrum.org/ldbytes.html]ROM Loader[/URL] article in the ...need MF128 ROM for use with PlusD interfacedoes anyone have this ROM? Can they read out the ROM as I want to use my Not The Plus D interface with a multiface 128. thanks in advance if anyone c…
does anyone have this ROM?
Can they read out the ROM as I want to use my Not The Plus D interface with a multiface 128.
thanks in advance if anyone can help.SEBasic.ROM - Where can I find latest release?Hello SEBasic.ROM Where can I find the latest release? This rom is included with ZXSpin, but I'm after newer release. Also version with Spin has p…
Hello
SEBasic.ROM
Where can I ... latest release?
This rom is included with ZXSpin, but ...can someone help with a rom routinei have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that wo…
i have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that would be great
TIA
CodenameVRare Games and ROM CartridgesOver the next couple of days, I will be listing various rare Sinclair ZX Spectrum games on ebay, including the following Ultimate titles: TransAm - …
... />
TransAm - on ROM Cartridge
Pssst - on ROM Cartridge
Atic ... the following Psion titles on ROM cartridge will also be listed ... /> With a totla of 5 ROM cartridges listed together, now could ...Test ROM Cartridge For SaleI'm selling another load of gear including a Sinclair Research Test ROM Cartridge. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=4000772…
... including a Sinclair Research Test ROM Cartridge.
[url]http ...Question about operations and target numbers[size=1]Title should say *operators. It's been a long day.[/size] :p One of the homework problems my kids are working on consists on using a set of …
... using a set of 4 numbers and come up with expressions ... reached by using 4 given numbers.
To make matters ... worse, all numbers have to be used and ...spectrum ROM pinouthi where can I clearly see the spectrum ROM pinout thanx
hi
where can I clearly see the spectrum ROM pinout
thanxTutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... deals with single bytes only (numbers 0 to 255), the other ... -
Choose a location in ROM where the are 256 random ... ;source of random bytes in ROM
ld d,0
ROM
ld d,0
ROM files structureWhat is structure of rom files bigger than 32kB ? Exist 64kB/128kB and 256kB roms for ZX emulators. 32kB roms contain 128ROM + 48ROM. 64kB roms con…
What is structure of rom files bigger than 32kB ?
< ... ? Different ZX clones use same rom layout ?
Any info about ...uses for the interface 2 and ram turbo - rom port?I noticed the games on ebay are quite expensive, I have an interface 2 arriving shortly. I was just wondering if anyone had done any add-ons or used …
... atari 8 bit , where the rom port is, someone has made ...Req' Help with Random numbersHello all, im new to the forum, i hope im putting this in the right place ... I would like to ask a question in the hope someone will be able to as…
Sinclair ZXC3 FLASH ROM CartridgeI recently received mail about the new ZXC3 PCB which provides the unique ability to program it directly from the Spectrum without the need for an EP…
... the programming of the FLASH ROM. The only additional hardware ... and .SNA) and ROM image files (.ROM and .BIN), allowing the ... the emulated cartridge. The ROM cartridge contains its own ... backwards compatibility with existing ZXC2 ROM cartridge programs. The ZXC3 ...Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…
... autorrepeat feature in the Spectrum ROM), with the normal values: ... it possible that the ROM is malfunctioning specifically while executing ...
I changed the ROM chips (mask ROM's manufactured by AMI ... 0312h at ROM 3): original ROM has 05h here. My ROM has ...
