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+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... to be incompatible with the 128k+3. As you might have ... gathered, machine coding on the 128k Speccies is even trickier than ... because of the memory bank paging. -
KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…
... 't work in 128K mode, because the 128K mode uses the memory ... printer buffer to hold the paging routine, among other things. It ... -
Games only possible in 128K mode?In the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=30145[/url] the discussion of 128K only games comes up, and it made me w…
... technique ever used in any 128K games?
[/QUOTE]< ...
[QUOTE]
The 128K also intoruced screen flipping, which ... 128k offers ay sound, more memory with a bit problematic paging ... , and two screen buffers which inherit paging problem. -
Common pitfalls and solutionsLet's discuss some of the common problems in Speccy programming, and the methods we use to avoid them. For an example, here is a piece of code that …
... disabling any of the 128 paging (which is what happens
128K machine into a proper 48K ... -
Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... . There is no universal paging scheme beyond the 128K. The Russian machines ... -
Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... writing a game for the 128K machine. It redraws most of ... to use the video RAM paging hardware.
The most ... -
ANN: EsxDos 0.73 released (third party - not mine)Papaya Dezign have finally released their firmware/OS for the DivIDE interface. Go get it from [url]http://www.esxdos.org/files/esxdos073.zip[/url]…
... =ddw;471385]I use Fatware 128k modified by Velesoft on my ... into usr 0 mode, where 128K memory paging is still active, and ... spurious writes to the memory paging register.
To force ... -
ANN: EsxDos 0.73 released (third party - not mine)Papaya Dezign have finally released their firmware/OS for the DivIDE interface. Go get it from [url]http://www.esxdos.org/files/esxdos073.zip[/url]…
... =ddw;471385]I use Fatware 128k modified by Velesoft on my ... basic or with access to paging port. All original versions of ... -
Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …
... so is it just the 128k bit and I have ... rom and bank 3 the 128k? or is it the ... in case something activates the paging so it doesn't ... board that contained a debugged 128k editor, debugged basic, BBC ... compatability. All with a nice 128k style menu
... -
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... to develop a better downloader (128K paging), the uploader and a dirty ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... frame sync'd so scrolling/paging up/down has no tearing ... to develop for the Spectrum 128K +3:
6 second ... -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... 64 Commodes emulator for the 128K Spectrums? The C64 only actually ... , so surely with a whopping 128K it should be possible?[/QUOTE ... rest.
Although the 128K Spectrum has more RAM, this ... have to thrash the memory paging and employ an extra layer ... -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... rest.
Although the 128K Spectrum has more RAM, this ... have to thrash the memory paging and employ an extra layer ... 64K issue, and also the 128K issue with the spectrums. I ... -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... CPU (6510) is that the paging registers (at $0000/$0001) are ... . It would also be 128K only (for paging mechanism).
It ... idea to support RAM/ROM paging via $0000/1) -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... CPU (6510) is that the paging registers (at $0000/$0001) are ... . It would also be 128K only (for paging mechanism).
It ... idea to support RAM/ROM paging via $0000/1)[/QUOTE]
128K spectrum?
Anyway, I ... -
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... as they require the memory paging lock to be active. Let ... of 57600 BAUD using Amstrad 128K AUX port to PC 9 ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... so it is not the 128K paging problem.
Here is ... -
Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... the design based on the +128K startup menu.
Can ... to start in 48K or 128K Mode
b) An option ... 48kB mode (I must disable paging on port 7FFD) or can ... -
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... out the patch if 48K, 128K+ or +2 models are detected ... also disables paging allowing some games to work in 128K mode - Sabre ... Wulf etc.
RAM paging mode ...
ld b,07Fh ; Disable paging
ld a,00100000b
What Spectrum to choose?Hi i'm new to the Spectrum. I read 'bout it in CDA (Polish game magazine) and watched LGR review of the 48k and it REALLY interested me. What model m…
... [/QUOTE]
Mostly RAM-paging faults that prevent the Silicon ... ROM and not the Sinclair 128k ROM for the emulation.
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... to disable memory paging for compatibility issues on 128K machines.
/d - Disable 128K memory paging.
/f - Forced +3/2a ...The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... , the 128k (and +2) is the one with the "wrong" paging because ...The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... , the 128k (and +2) is the one with the "wrong" paging because ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... . That is why paging is used on 128K machines and above. In ...Faulty Interface 1I bought a 'tested' Interface 1 on ebay the other day. Aside from the previous owner 'cleaning' the contacts with WD40!!! (bad, bad, bad eeurrgh :rol…
... will still natively work in 128K BASIC - you don't have ... enter the following commands from 128K BASIC after the machine has ... your Interface 1 is not paging in! :(ZXC3 Rom CartridgeI recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake.plus.com/"]Paul Farrow[/URL] fully populated with the latest diagnostic softw…
... Typically, you flash the ZXC3 128K ROM via RS232, IF2 Joystick ... and 2 + bugfixed) and 128K ROMs (bugfixed). It also includes ... that you can actually run 128K BASIC, and IF1 + Drive ... which emulate the paging mechanisms with the software paging as mentioned ...Supertest 128 - Loader QuestionI wonder if someone could explain (in simple terms please) :) , the purpose of the switch code. I see what is doing (going to 48k mode via spectrum)…
... 48K LOCK bit in the paging register ($7FFD).
USR ... access to the 128 paging register and full 128K of RAM without ...FRAMES counter...Hi Folks, I wrote a test program that uses FRAMES to generate a clock. When I tested this within BASin it worked well and kept near perfect time. …
... RAM disk requires the paging in the 128K BASIC ROM, I expect ... the 128K BASIC ROM is paged in (as well as paging in ... run.
Therefore any 128K functions (PLAY, RAMDISK etc.) will ...Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…
... 't easy to expand to 128K as I'd have to ... range to allow for easier paging.
If RETRO GAMER ...Where's it all going?[Rerouted from 'Assembler Intricacies' in Development Forum] [QUOTE=Timmy;506104]I don't think we're in disagreement here. As I've said it's a niche…
... but if you go to 128k, suddenly more possibilities open up ... sprites moves each frame. The tutorial examples have 10 3x3 sprites ...
