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Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... introduces an I/O ports paging. Original BetaDisk sits between Spectrum ... allows Betadisk ROM to change RAM pages via #7FFD.
... jumps to #3Dxx and to RAM will activate/deactivate Betadisk I ... manual HW mods even for 128k machines (384x304 originates from need ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... with a copy of regular ram with all the system variables ... /> Because moorhunn.wav is a 128k snapshot it makes things a ... to do lots of 128 paging to save the correct blocks ... -
SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…
... have a >=128K flash ROM and >=128K static RAM (any internet ... , and any page (ROM, RAM, W5100 buffer) should be arbitrarily ... W5100 in 0x2000-0x3FFF, or RAM in 0x0000-0x1FFF, ROM in ... research and simulation of the paging mechanism using the Xilinx WebISE ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... /> Poolsdata (Selec Software) - Sport
Ram-Jet +3 () - Utility
Rock ... br /> Top of RAM 57571
Top of RAM for 'T' 57571 ... be grabbed.
Ram-Jet +3:-
I've ... code routine. It calls the 128K paging routine, and it copies some ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... the 128k Basic. It 100% supports the 128k paging and ... everything else. EVERY 128k game/program ... =rwap;249316]Anyway, a 128K .z80 snapshot should work 99 ... RAM pages and the registers (for 128k snapshots this also means the paging ... -
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... handler crashing were caused by paging.
The AY chip ... it is actually loaded into RAM Bank 0.
When ... exact same code crashes in 128K basic when located anywhere in ... only when you enter the 128K editor, is bank 7 paged ... -
Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…
... , since I'll have a 128k flash chip for ROM (specifically ... Am29F010 128x8 ). Both ROM and RAM on the board is arranged ... to either of the two paging areas. It's also my ... -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... one screen of video-ram, and a yellow ... br /> Snapshot runs on a 128K system:-
[url]http:// ... />
; save old paging state in 'd'
ld ... /> ; Restore bit 3 of paging register
ld a,d ... br />
; restore paging register
ld a,d ... -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... to flip between screens from 128K BASIC? I am unsure ... in the upper 16K of RAM, so we can access ... [b]initscr[/b] sets up paging registers such that second screen ... [/b] Copies current screen RAM into second screen (Very ... to bit3 of the paging register and so on.. -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... 'm thinking of using the Ram disk?
[/quote]
Yes ... commands lurk, without examining the 128K BASIC ROM, or at least ... to move a screen around RAM using LDIR as you say ... ) Most other things (including the paging operations and active screen selection ... -
Multiface3 and Divide combinationI recently bought a Multiface3 from ebay, I haven't got it yet but I was wondering... since the MF3 has a through port (the one i got), will it be co…
... 0x0066 executes (and both are paging in at the same time ... . The Spectranet, having 128K flash and 128K static RAM could make the standard ... -
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…
... disabling any of the 128 paging (which is what happens ... to the desired values and paging in the 48 ROM, ... USR 0 mode has the 128K features (sound and extra ... alter the contents of the RAM pages without the programmer' ... that will drop the 128K Spectrum into USR 0 ... -
I Ball - is .tap version available?Hi all, I'm after a .tap version of I, Ball (released by Firebird). The original game used the dreaded bleeploader. I checked WOS and other web site…
... point? I know the 128K ones might need pagination ... possible to change the current ram page via BASIC).
Yes paging is possible in basic, although ... be become corrupt when paging in basic, so ... a 128 version with basic paging.
[url=http ... -
Newbie: DivIDE or DivIDE+??Hi Everybody, I'm a total newbie from the US about to enter the world of Spectrum. Reading Retro Gamer for the past couple of years has made me want…
... Fatware only. When connected to 128K / +2 / +2A / +2B or + ... you have no access to 128k basic, as Fatware resets ... but has access to 128k paging and AY38910 for 128k sound). This is ... flexibility, and 512k RAM, and battery backed RAM for running Garry Lancaster ... -
Newbie: DivIDE or DivIDE+??Hi Everybody, I'm a total newbie from the US about to enter the world of Spectrum. Reading Retro Gamer for the past couple of years has made me want…
... Fatware only. When connected to 128K / +2 / +2A / +2B or + ... you have no access to 128k basic, as Fatware resets ... but has access to 128k paging and AY38910 for 128k sound). This is ... flexibility, and 512k RAM, and battery backed RAM for running Garry Lancaster ... -
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... it not valid to perform 128K paging within a few thousand t ...
OUT (#E3) ;set divide ram 0 + reset low/high (*)
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... it not valid to perform 128K paging within a few thousand t ... (in the case of the paging register for the Spectranet, I ... reset on the CPLD's paging registers is still valid (the ... , 0x3000 ; Clear down the fixed RAM page.
ld de, 0x3001 ...The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... software that runs in main RAM. It's not a general ... =Winston]
My thoughts on 128K paging are to use the method ... over the other pages, without paging them in to check (at ... of finding out which video ram is in use: show the ...detecting 128 mode ?quick question really, someone who programs would know I guess. am I right in thinking some things detect 128 program and adjust accordingly , say i…
... assume you are on a 128K machine and, with interrupts ... in RAM are all the same as the ROM, the paging ... true Sinclair ROM. The 128K ROM has a few differences ... return FFh, whereas the 128K will give you a meaningfull ... an AY Box as a 128K class machine.
detecting 128 mode ?quick question really, someone who programs would know I guess. am I right in thinking some things detect 128 program and adjust accordingly , say i…
... value 128, then page in ram bank 1 and write 48k ... same location, switch back to ram 0 and read back.... if ... a 48k machine then the paging will not have happened so ... 128k is available it would have the value 128 (because paging occurred ...Converting games from tap to dskHi to all from Greece, Being an old Speccy user and now owner of most models of Spectrum (48k , 48k+ , 128K, +2 grey and +3) , I desided to salvage m…
... TO BE USED ON THE 128K VERSION
50 poke 23388 ... then copied to the sideways RAM with a short machine-code ... A,(5B5Ch) ; restore the memory paging that BASIC expects
LD ... have to use the video RAM as an intermediate buffer.
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... screens (we'll use screen paging)
- about 10 kB ... />
Having written a few 128K games, you really do actually ... this to work on any 128K machine, and not just the ... you to 32K of usable RAM during the game itself (use ...more memoryi dunno if this has been mentioned, apologies if it has (i cant be arsed to search :P) Ive just been reading about the zx81 and it popped into my he…
... RAM would require some kind of memory paging (such as what the 128K ... onwards had) as 16K ROM + 48K RAM ... IO address to put your paging function on and unless software ... introduced paged memory with the 128K toaster but it required a ...Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... br /> 0x4000-0x7FFF (Contended) User RAM
0x8000-0xFFFF More User ... />
Within the contended user RAM:
0x4000-0x57FF Screen ... of memory. There's no paging or vectoring or anything going ... places (it's not a 128K Speccy!).
The ...converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... /> Using external RAM has come up before for 128K paging (probably on the ... using libspectrum to read existing 128K snapshots. The code matching might ... there's plenty of spare RAM for the code and tables ...converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... a separate program, converting 128K snapshots to SAM disk images ... you want native support for 128K software, use the original snapshot ... memory pages from SAM COUPE ram to 1MB pages. I ... games/software use different memory paging routines combined with access to ...converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... the privilege of playing a 128K game on the Sam, or ... to two 32kB blocks. Memory paging on ZX128 is only in ... 15
- rewrite paging routine for work with SAM ram
- rewrite ...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…
... paging scheme beyond the 128K. The Russian machines have no contended RAM ... grey +2 have the wrong RAM contention (i.e. not ... If you use all RAM mode you have to do ... use more than one video RAM, and don't forget ... both video RAM pages are contended. The ...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 …
... into the spectrum's ram and then flash them ... case something activates the paging so it doesn't ... shouldn't do any paging so it should be ... board that contained a debugged 128k editor, debugged basic, ... compatability. All with a nice 128k style menu
