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Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
... i8080 [1.31]. Page 1
... (SHD),A; Switch memory.
;000A LD ... /> ; Exit point from SAVE routine.
;
04d1 = ... -
Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
... : d3bf OUT (SHD),A; Switch memory.
;000A LD (TMP_HL),HL ... LOAD routine.
;
AS80 Assembler for i8080 [1.31]. Page 3 ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... cables including RetroComputerShack are marketed 128K/128K+2(gray).
Do ... using a microcontroller with some memory to build a HDMI signal ... connector.pdf[/URL]
Page 7 states the input impedance ... impedance for pin 8 (see page 6) is stated as 10k ... -
128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... word, 'annoyingly'.
The 128K of RAM is divided up ... 5 is where the screen memory is.
The alternate ... -buffer, you page it in at the top of memory, draw on ... then page the regular screen in at the top of memory and ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... have loaded it as in 128k (with music) as 48k modes ... at same position on ram page 4.
Game use only ... pages - 0 and 1. Paging routine must be rewrite for use ... 4. All data from original page 1 must be moved to ... -
ESXDOS 0.8.5 and .Z80 on +2B or +3Last week I received some .Z80 snapshot files from a DivMMC EnJOY! user to test. These files didn't work on his ZX Spectrum +2B. [URL="http://benophe…
... common: the hardware mode is ''+128k" and they were produced while ... return to the 'Statement Return' routine, the address of which has ... specific to each ZX Spectrum 128k model.
The ... .Z80 snapshot is loaded into memory, it is sufficient to have ... -
History of +D ROMsIs anyone familiar with the history of ROMs for the MGT +D? Which versions do exist, what are the known changes and can late versions for the beige D…
... the message in some other memory locations...
So you could ... "ROM"0,8192 (this will page-in +D ROM, for the ... /> The other option is to page +D ROM in, transfer +D ... ROM to Spetrum RAM then page +D ROM out again and ... you a simple m/c routine to do it (I'm ... -
DSK version of Terramex?I'm trying to make a DSK version of Terramex, but game refuses to load. The problem is probably in a protected loader (302 bytes), but I wasnt able …
... contents of every RAM page and the second block to ... REM) put a RAM page and then copies 16384 bytes ... NOT RUN THAT ROUTINE ON 48K OR 128K/+2 MACHINES).
page, does a pause to ... block, executed the relocating routine and then loaded the ... -
DSK version of Terramex?I'm trying to make a DSK version of Terramex, but game refuses to load. The problem is probably in a protected loader (302 bytes), but I wasnt able …
... contents of every RAM page and the second block to ... REM) put a RAM page and then copies 16384 bytes ... NOT RUN THAT ROUTINE ON 48K OR 128K/+2 MACHINES).
page, does a pause to ... block, executed the relocating routine and then loaded the ... -
Test screens for ZX PrismNot sure that this is *really* the right section for this request, but it's relating to new hardware I'm developing so let's start it off here - a mo…
... the 128K spectrums start at the beginning of page 5 and page ... /> Like the 128K spectrum, a 16K chunk of memory containing two screens ... can be switched into 0xC000 - Page ... (16384) and which 8K page of VRAM is presented to ... -
New Game : TerrahawksEarlier this year I ported one of the first games I ever played "Killer Bees" (A Phillips Videopac game) to the Spectrum using AGD. Enter my second …
... doc that adding a speech routine could be possible, see the ... =0&turns=0&memory=0&language=0& ... =1&loadpics=0&page=2"]speech synthesiser programs from ... ], something that outputs an asm routine, or even embed a sample ... -
What if Sinclair had released a 16 bit Spectrum?Had Sir Clive not wasted his companies money on the white elephant that was the C5 and instead focused on competing with his rival computer manufactu…
... TS2068 showed the way. A 128k spectrum with an AY trip ... would have bought one. The 128k we got was too little ... another upgrade in 1986. More memory, a faster Z80 variant and ... /showthread.php?t=47616&page=3[/url] -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... you get an alterVista white page with a [I]"La ... User Megatape 14
[*]Frightmare 128K - Zafiro
[*]Geoff Capes ... URL] by Zup (please note: routine needs to be compiled).
[*]Fairlight 128K: Crashes after initial screen. [URL ... -
TAP version of CrosswizeIs it possible to create a TAP version of Crosswize with all levels? On the tape or a TZX file, the levels are in the same block and a custom loader …
... " version of Crosswize, suitable for 128k machines.
[CODE]org ... 3 into RAM4. The load routine is above 49152 (RAM0 by ... patch, that moves a small routine into 20480 (that part of ... ).
The routine labelled as inimove does page in the RAM ... -
Face-Off: ZX Spectrum vs. Commodore 64I found an old oldish, but very informed and interesting article on the ole Spectrum vs. Commodore 64 argument. The article explains the technical d…
... if you use a dedicated routine containing the colour data within ... assuming you have the page-swapping of a 128K Speccy available to ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... some of their 128k games (i.e.: Renegade 128k, Typhoon, Operation Wolf ... ), and looking into the contents of page 7 ... seems that side 1 is 128k and side 2 is 48k ... there wasnt (could be my memory!).
As for the ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... think BASIC games will use page 7 (and there are ... that any change in page 7 will crash BASIC ... byte was part of a routine, that will almost surely ... is stated that Operation Wolf 128k from Erbe crashes on ... that changes that byte on page 7 (comparing against The ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... ?t=46861"]joefish's routine[/URL], where multicolor attributes ... something wrong :)
Routine [B]showTilePos[/B] at address ... to use double buffer (128k) to overcome partial refreshing ... would have to add some memory switching logic, readjusting timings ... -
Interesting demo effectAnyone know how the tunnel effect from the end of this demo is achieved? It starts at 4:45 with a plain tunnel that could just be built up and then …
... room for music and the routine has to be tuned to ... is there.
On 128K and over, that would be ... buffers and a lot of memory. But that would be another ... -
LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... has to restore page 7 before returning to the 128k editor as ... . The interrupt routine uses BANKM to select the page to restore after ... -
Banked memory running slower?I've just compiled a TAP which includes bank6, it loads ok, but the routines that are paged in run slightly slower. The Z80 snapshot has no such pro…
... extra code in a different memory bank?
If so ... which memory bank would be best for ... '...[/QUOTE]
On the 128k and +2 the odd banks ... have no choice, you must page bank 0 if you want ... -
New Game: Escape from Colony 8[I]I can't really tell what happened, when they first attacked our base or where they came from, but Colony 8 is lost. My only chance is to get to ha…
... confident, start writing a sprite routine and regain that 12k![/QUOTE ... anyone can write a simple routine that does the bare ... I would personally always think '128k' if the game is going ... pixel increments, you can reclaim memory from half the rotation tables ... -
64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... with a synchronised multi-colour routine. As we've seen, the ... ; with screen-flipping on a 128K you could do 32.
A more memory-efficient method is to wrap ... four scan lines on a 128K, surely..? ;-) -
assembler for PcHi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use…
... idea as it limits the memory available - ZEUS needs to hold ... just for 48K development. For 128K you're going to have ... going to switch between the memory banks as it loads.
routine from the ROM to load ... -
A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... , it reports the ROM as '128K'.
Is that normal/expected ... - I've added +2A/+3 memory test functionality to the firmware ... the existing DiagBoard can't page in the ROM on these ... -
Seeking April fool article: turn 48k into 128kHi everyone! When I was about 11 years old (I think ?) an article appeared in a Spectrum related magazine. It turned out to be an April fool's joke,…
Thought I remembered it, knew it was an April Fool when I read the article at the time.
It was all about hidden memory in the 48k Spectrum, revealing it actually had 128k.
ZX Computing mag April 1987 Page 57-58. -
Seeking April fool article: turn 48k into 128kHi everyone! When I was about 11 years old (I think ?) an article appeared in a Spectrum related magazine. It turned out to be an April fool's joke,…
... ZX Spectrum 48k into a 128k. The analogy was that ...
Here's the first page of the Article: [url]http ... br />
second (and last) page: [url]http://www.worldofspectrum.org ... worldofspectrum.org/infoseek.cgi?regexp=^Memory+Expansion+Program$&pub=^ZX ... -
I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
... being experimented with include the 128k spectrum, msx2, cpc, etc ... granting each process its own memory space. The spectrum, except ... bankswitching capability to support the memory model. Unfortunately it is ... is actually to an OS routine that patches the JP/ ... -
The Hobbit 128K editionWhat's this?<br>What better to celebrate the new forum with, than a long-awaited release!<br><br>I got tired of all the quibbling over tiny details i…
... while in IM1 with the 128K flag bit set, as you ... disk motor time out byte (Page 7/58880). Rather than patching ... 128K flag then byte 23388 (page) is ignored by the IM1 interrupt routine ...
