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ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... have replaced the CPU, memory and lower ram. I ... for the CPU and memory to minimise soldering and ... prior to replacing all eight memory chips, two of the ... from anywhere? I have 16K eproms and the means to ... if I can rewind my memory back 30 years!.
... -
Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... (forcing the adapter in 8bit memory mode) this would allow full ... +2e rom allows me to read/write to the adapter. I ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... .
Ironically, despite having more memory, all the code and graphics ... have to sit in 16K so they can stay in ... -
Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... SCREEN$ (or any segment of memory) in ZX BASIC without resorting ... a=udg TO udg+8: READ v: POKE a,v: NEXT ... -
Memory card questionI recently decided to get a new phone (a Vodafone VF543) and i want to upgrade the memory so i can put all my music in it (the internal memory is onl…
... i want to upgrade the memory so i can put all ... music in it (the internal memory is only 50meg) but i ... no idea which type of memory card it will take. I ... -
Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... , fully annotated, for others to read/use. I realise the way ... ; 7t - bring in screen pixel memory start
ld h,a ... -
Speccy boxes with no RAM markingHi people, I noticed the other day that my Issue 1's box is different to the others. All the other boxes have "16K RAM" or "48K RAM" printed on them…
... . All the other boxes have "16K RAM" or "48K RAM" printed ... at all, but has a "16K RAM" sticker on one end ... have come in boxes without memory markings on, so that someone ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... and you most likely read them hundreds of times ... emulation of Z80 microprocessor/memory, they give full list ... Which asm instructions and memory regions are responsible for it ... read about special applications for checking correctness of microprocessor/memory ... -
SpecBAS 0.646 now available.Yay! Here's another round of bugfixes and additions to the Program. Not so much of the extract coding features, but more back-to-basics this time: […
... was detected.
READ LINE strvar - will read whatever comes next in ... in size) from and to memory banks.
Inline ascii characters ... -
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…
... ]1. The ability to switch memory contention modes (128k / +2A/B ... the 128K to the Amstrad memory contention model sing a simple ... lovely to this I have read up on the "Not the ... -
New Game: 2k RGB ChallengeThere is something weirdly adictive in creating games in limited memory (I know I need to get out more). After my two very basic 1k games thought I w…
... in creating games in limited memory (I know I need to ... won't work on a 16k Spectrum due to use of ... -
Two Gun Turtle is a 16K gameFull-page advert states "for any ZX Spectrum". Tried and tested under 16K emulation mode with Fuse for Windows and ZX Spin.
Full-page advert states "for any ZX Spectrum".
Tried and tested under 16K emulation mode with Fuse for Windows and ZX Spin. -
16k, 48k Spectrum, ZX Interface and moreI'm cleaning up before a move, so I'm selling nearly all my spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books, tapes, ZX interf…
... spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books ... -
Calculating free memory...Hi Folks, I am using the following method to calculate the amount of free memory available to BASIC: [CODE]PRINT 65536-USR 7962[/CODE] Is this the…
Hi Folks,
I am using the following method to calculate the amount of free memory available to BASIC:
[CODE]PRINT 65536-USR 7962[/CODE]
Is this the recommended approach?
Many thanks
Paddy -
PokesAfternoon people, before i begin can i just stress that i am an ultimate newbie when it comes to the spectrum so forgive me for my ignorance,but i ne…
... /> I know from what i read that a multiface is a ... good option,but i read something about typing in merge ... when loaded tell you the memory area that needs poking,is ... -
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…
... . How does it work? I read Paul Farrows site but one ... 48k to which part of memory does cartridge map itself? Is ... -
Something I once read, how an ancient voice recording was possibleSome years ago, I read somewhere (I think it was in a book of essays by Arthur C. Clarke, or Carl Sagan) that making a (admittedly bad and very primi…
Some years ago, I read somewhere (I think it was ... essays, of which I've read a fair few over the ... -
Hey Hey... 48k?There's been a few threads recently where people have actively sought to avoid 128k versions of games. And I have to ask: twenty years after the Spe…
... return to them: the extra memory allowed them to eliminate multi ... of features such as additional memory, sound-chips and more advanced ... , Jetpac and Deathchase on a 16k Spectrum! -
Trying to recall a children's bookHowdy folks. I'm trying to remember the name of a children's book I read around the mid-80s in the UK. It's something that really stuck with me but I…
... a children's book I read around the mid-80s in ... 10 or so when I read it, so it's not ... was quite disturbing in my memory.
I'm pretty ... -
Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... /> ;D1 - RESET SDA
;D2 - READ
;D3 - WRITE
;D4 ... /> AGAIN_READ
IN A, (5) ;READ DATA FROM CONTROLLER
AND ... C, A ;LOAD C WITH READ BYTE
DJNZ AGAIN_READ ; ... controller (to save to I2C memory for removable storage)
Port ... -
Which Issue 1 Spectrum model is most desirable - 16K or 48K?Can one of the collectors out there settle a argument between me and my mate? If a 16K and a 48K issue 1 Spectrum, in similar condition, where place…
... mate?
If a 16K and a 48K issue 1 ... /> I'm going with the 16K. -
Commodore 64 - First time trying - REVIEW & Pictures!Right, so the 2nd hand shop was selling this Commodore and accessories. So I decided to buy it, as I've never had a Commodore and this is my first ti…
... now plugged in the printer, read a bit of the manual ... complicated, you have to POKE memory to change colours! yaghgh!
z88dk + File Handling ProblemHello my fellow WoS'ers I thought I would ask here as I am having a bit of trouble with a very simple C program that I wrote for the spectrum using…
... !=NULL)
{
printf("File READ allocated: Now READING 64 bytes ... and run the code from 32768, it matters not if I ...Is it just me or.....Hi Everyone I haven't been on here for a while, so this might have been discussed to death already, apologies if it has but... Is it just me, or wa…
... artwork stands out in my memory. I remember having a [failed ... teens or early 20s will read this, and I'd love ...16k versions of 128k games?After seeing the thread about Double Dragon 2 and the crappy cut-down versions of 128k games, I'm wondering if they are some 16k version of a 128k ga…
... wondering if they are some 16k version of a 128k game ... not thinking about a older 16k game converted to 128k (adding ... could run or had a 16k version.
Did exist ...Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …
... possibility of paging blocks of memory to and from disk. Imagine ... it 48K, btw?) into 1KB memory blocks.
Each ... OS would attach bitmask of memory blocks that this process uses ... OS would compare process memory bitmask to the memory track from OS ...SP1 and memoryWhile developing my program, I've run into memory related issues and haven't (yet) run into any advice over how SP1 uses memory. The examples all sb…
... advice over how SP1 uses memory.
The examples ... some statically defined stuff in memory at some point above ... 50000.
What memory addresses should I avoid when ... br />
Generally, how much memory should I allocate with sbrk ...Can anyone help me read a file?I applied for a job. They sent me some attachments, I downloaded them. They don't seem to have file extension names, just appear as Type: FILE. I can…
... as Type: FILE. I can read three out of four of ... open office, it won't read it. Word Pad it's ... an xml file? Can't read that online. Asked my dad ... Office, and he can't read it.
Asked prospective ... again, but still can't read it.
It should ...
