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Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... /> The disassembly of the Spectrum ROM for DRAW-LINE at $24B7 ... inefficient compared to the ZX ROM attempt. Also, both versions can ... -
eBay : Spectrum 'System Test' ZX Interface 2 ROM CartridgeAny of you lot bidding on [URL="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170256811309&ssPageName=ADME:B:ONA:GB:1123"]it[/URL]? ;)
Any of you lot bidding on [URL="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=170256811309&ssPageName=ADME:B:ONA:GB:1123"]it[/URL]? ;) -
tape backup?This is something ive always wondered,i have quite a lot of spectrum games but not a lot of them work any more :( since i want to use the original ha…
... original tapes or using a rom and recording the sound somehow ... -
Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…
... want, the one in the ROM.
It only uses integer ... the one found in the ROM.
I am ... -
DivIDE emulation on MB02+This is FATWARE system originally writed for DivIDE interface, but new ported to MB02+ interface. This use 8kB+8kB paging emulation in 16kB allram mo…
... memory pages (patched ZX rom, patched FATWARE rom, second FATWARE page for ... -
Machines and game starter bundles for saleI am just in the process of compiling a new stock list for the Preservation team shop and I am going to add a lot of my spare hardware kit and some o…
... Handbook
The Complete Spectrum ROM Dassassembly
Spectrum Advanced User ... also have a few spare ROM carts, mostly these are in ... -
Custom SAVE Routine work on emulators?Hi, I'm developing a SAVE routine derived from the one present in ROM 48K, and I'm trying to get it work on several emulators (X128, Spectaculator, …
... from the one present in ROM 48K, and I'm trying ... -
ALLRAM MODE on +2A/+3[url]http://velesoft.speccy.cz/other/+3_allram.z80[/url] Load Z80 file in ZX emulator and write RUN+ENTER. This basic program can switch +2A/+3 betw…
[url]http://velesoft.speccy.cz/other/+3_allram.z80[/url]
Load Z80 file in ZX emulator and write RUN+ENTER.
This basic program can switch +2A/+3 between allram and 128 modes
In allram mode is rewritable ZX rom. -
Spectranet now supports UTF-8!Or at least, a subset of it - all of the 0xC3 characters, and a few 0xC2 characters (?, ?, ? and ?) in its putchar42 routine (the 6x8 character cell …
Or at least, a subset of it - all of the 0xC3 characters, and a few 0xC2 characters (?, ?, ? and ?) in its putchar42 routine (the 6x8 character cell print routine). Here's a pic of my Spectrum +3 having a little dialogue in Spanish (yeah, it might be a bit ... -
Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…
Busy soft (demos and whatever)Back in the '90s, I remember being amazed by the demos by a group (or person?) called Busy Soft (or Busy Software), like the border effects in MDA, o…
... do (they did some Speccy ROM replacements, available at Phil Kendalls ... extensive ROM section:
[URL]http ...Suggestions for Mr. Rich MellorRich, is there a chance any of these things could be available from you in a near future? -AY interface for 16K/48K Spectrums -PS/2 keyboard interfa…
...
-Services to upgrade Spectrums (rom replacement (would also be offered ...Spectrum does streaming videoActually, I was surprised my ROM routines for the socket library were fast enough, but the video seems to play at more or less the correct speed. He…
Actually, I was surprised my ROM routines for the socket library ...So... you want to format your 3.5" as 720K eh?Well, i've been trying to get hold of an application to make proper use of my 3.5" +3 floppy disks but i haven't been able to find any. I stumbled up…
... ; Call the subroutine in ROM and write the data to ... DISK ; Call the subroutine in ROM
POP DE ; Restore ... /> OUT (C),A ; Page ROM 2 and RAM PAGE 7 ...Some questions to pass the time1. What is the best 8 bit machine? I don't mean software range wise, as we all know that the Spectrum has the best games software (well, the people …
... the +3 have 64KB of ROM? The 48K Spectrum managed to ...Divide+ - Residos and NMI button problemGood day All! I have Timex 2048 (48K) with Divide Plus iface and AY music chip. I'm trying to run taskman which I already download and install from W…
... Roms and switching them with %rom "name" is also working without ...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…
... +2 by paging the editor ROM in inappropriately. (Jimmy)
Fixed ...data waiting (if indeed that is the name)I've been taking a look at the Spectrum ROM Disassembly by Drs. Logan and O'Hara but admittedly I still need do my bit of assembly study before I can…
... a look at the Spectrum ROM Disassembly by Drs. Logan and ...[Book] Error in The Complete Spectrum ROM Disassembly[I]Page 188.[/I] There's two references titled 'RE-STACK TWO subroutine', when in fact the second should be 'RE-STACK (3D) subroutine'. (vide, index …
[I]Page 188.[/I]
There's two references titled 'RE-STACK TWO subroutine', when in fact the second should be 'RE-STACK (3D) subroutine'. (vide, index of routines - pag. 235).
I'm doing the TOC for this PDF and will soon submit the new ...+3 ROMsHello. At ZX-SPECTRUM+3 are established ROM: 1 - AMI 8714 IDR (40092) 2 - AMI 8715 KFK (40093) I have not found these microcircuits in the catalo…
... ZX-SPECTRUM+3 are established ROM:
1 - AMI 8714 IDR ...Dangerous Allram Mode On +2a / +3ZX Spectrum 128+2A and +3 support allram feature on port 1FFD. On this ZX models is very dangerous set allram if is connect any interface with extern…
... bus and connect external memory rom/ram to data bus. If ...Last update, 25th DecemberHi Martijn, I noticed you cleared the backlogs but didn't update the books database with The Complete Spectrum ROM Disassembly ([url]http://www.worl…
... database with The Complete Spectrum ROM Disassembly ([url]http://www.worldofspectrum ...DEBUGGER/MONITOR for ALLRAM[url]http://velesoft.speccy.cz/other/devastace2008.zip[/url] [img]http://velesoft.speccy.cz/other/devastace2008.gif[/img] This is modified version …
... memory 0-16383 without ZX ROM !!!
Ideal for trace software ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... start of the 48K's ROM (as opposed to the 128K ... Specific second ROM), the same as PRINT USR ... the Spectrum using the 128K ROM too.
But what ... it could lock the 48K ROM in place, and do whatever ...New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
ZX Spectrum+ 48K For SaleHi Everybody First Thread so.............. I have a ZX Spectrum+ 48K, Power Supply, Cassette Player, a ZX Interface 2, and a RAM Turbo for sale. Pl…
... with a manual.
Backgammon, ROM Thing, Boxed
Jet Pack ... ROM Thing, Boxed with a manual.< ...Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... /> - Dip switch for selecting four ROM banks
- Kempston interface
Open82 v2009-01-13 releasedI'm pleased to announce a new release of Open82, the GPL-licenced replacement Spectrum ROM formerly known as OpenZXRom. [url]http://sourceforge.net/…
... the GPL-licenced replacement Spectrum ROM formerly known as OpenZXRom.
ROM, free of any Amstrad- ... redistribute code from the ZX81 ROM under the GPL), Andrew ... allowed use of his ZX81 ROM disassembly), this release adds ...Ghost Castles challengeThanks to Ivanzx, this old game came back for some minutes from a dark corner. It was a small game, just see a brain-training where I learnt a lot. …
... /> This game has no working ROM extension version. The interest was ...23-128Hi, while repairing my issue 3 48, i have realised that the 23128 rom is borked. As i see it doesn't quite have the same pinout as the 27128, (Acc…
... have realised that the 23128 rom is borked.
As ... hold of a programmed Spectrum Rom? preferebly the NEC version?
