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Z80 cycle contentionHi, Does anybody knows exactly when the ula halts the Z80 clock during a memory r/w cycle? I mean which Z80 clock cycle, T1 or T2? Thanks..
... the ula is going to read this byte before, how many ... different on the +2a/+3 - memory contention here comes into play ... -
RTC on my speccy?Hi guys, As much as I've not got much time to work on my Speccy (right now) I still like to come up with some funky ideas for stuff to do to it. I …
... be displayed have the speccy read the current time that in ... eprom that the speccy can read info from (actually, just thinking ... 've encountered have built in memory).
Purely for effect ... -
Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
Having now read up on the "Floating Bus" ... Ricochet game loop at ZX memory locations
33213, 33221 ... -
+3 disksok i got a question here. Can i put the +3 disk images that i use on the emulator back on to a proper +3 disk ? If so how would i do it and what wo…
... (unless you have a good memory) and then rewind the tape ... from WoS and have a read on tape/disk operations and ... -
questions about the +2 and +3I can`t remember if the +2 and +3 had a port on the back of the computer that let you use your own tape recorder so i`m asking if there was or not ?
... /> +3 tape output is both read/write - needs a stereo 3 ... (him of the elephant like memory) which issue dude? -
Transferring Spectrum Games onto tape or diskI've been told you can download Spectrum games in .TZX format and transfer them to a specci through the headphone jack. Can you only then save the ga…
... 's drive cable, and if memory serves me correctly, details of ... instructions are in?
Read my sig and visit my ... -
How do I save?I've made a HUGE text adventure with lots of collectables and lots of locations, but how can I get the user to save their game to tape if they need t…
... take up a bit more memory though. Alternatively, you could set ... = 1 TO 10
30 READ D$
40 IF I ... (c) = VAL D$ THEN READ D$: PRINT D$
50 ... -
ZX ShedNow that issue 2 is out and it's fairly obvious it's been a great success, we have to start considering issue 3. Thanks in part to the quality of wri…
... lot of AlchNews, having to read it off the screen but ... you would move data around memory (for example) with a Z80 ... -
info for write a emulatorHello Recently, i speak with a german programmer and he says me that in WOS there are a section emulators programmers, where find information about …
... wrote:
You want a memory model (a simple flat array ... /> Loop.
Where you read the keyboard etc is up ... -
Can't Remember Game NameEDIT: AAAAAAAAAAH! I FOUND IT, LOOK AT THE SECOND PAGE! Oh please help! I've searched the web for soo long... I know there's a remake of this game…
... it was after I could read but before I went to ... one sticks out in my memory because it had a weakness ... -
I, Ball 2Anyone else love this game as much as me? I used to play it a lot, despite never usually having much perseverence for platform-type games. It's one …
... was read the IN port and save the vaules in memory. Then ... -
SupadriveHere's an MDR image of Supadrive. Works with Spectaculator, but I haven't tested it with any other emulators. [url="http://www.superfudge.demon.co.u…
... read a sector into memory then save that area of memory ... all the sectors have been read. On real hardware the ... with MakeTZX. I can read the sectors back from the ... that the code to read sectors doesn't cope ... wrong - it will still read the contents of the sector ... -
GUI in sinclair basic.Can anyone point me to any existing subroutines or functions or library to be called whithin sinclair basic to create visual command like messageboxe…
... Spectrum were Max Desktop (Advanced Memory Systems, available on WoS) and ... results if you want to read some of the articles about ... -
Ripping Text from ZX games running on EmulatorsHello one and all - All hail Retro! I'd like to know how to rip all the .txt from ZX games running on a windoze emulator (I'm a writer and like do…
... /> Yes, I agree about banked memory in 128K snaps, as there ... those (uncompressed) files, until I read this thread.
It ... -
Back into PAWHave nearly finished writing my 128k adventure game, but have hit a snag. Page 0 is now empty of bytes, so have created a new page. However, I can …
... need a small amount of memory, you could try going through ... if they've that much memory left in them. So what ... a 128k adventure. Did you read the essay on 128k considerations ... -
ZX80 software wanted for a ZX80 siteHi everyone - I'm putting together a site about the ZX80 - I've noticed there's virtually no software available for it on the net so that's the part …
... SYSVAR DFILE points to in memory.
If the register ... changes, they scan memory for the signature of a ... -production ZX81 keyboard with DATA/READ/RESTORE and the final ZX81 ... -
Zombies/AlienAt a ZX Microfair (I think it was in 1984 or '85) I bought a Spectrum tape for ?2 with "Zombies" on one side and "Alien" on the other.? "Zombies" was…
... a clear memory of the listing being published, and I read enough ... -
Beginner's Guitar Book Recommendations?Hi, I shall be acquiring an accoustic guitar soon, and am looking for a good book(s) for the absolute, absolute, absolute beginner. Any recommendat…
... , get some chords in your memory and (callous) fingers, fiddle around ... ]
Which is excellent read, but very hard to figure ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... ])
[code]
When memory is being paged, interrupts should ... to read this port.
On the 128 and +2, memory ... this does not affect the memory between 0x4000 and 0x7fff, ... contains editor scratchpads.
Memory banks 4-7 are contended ... -
Assistance with IM2 routineI subsequently got a working IM2 routine.
... memory.
Since you're jumping to the ROM to read ... -
unused assembler commands?Z80 processor has commands like OUTI OUTD OTIR OTDR INI IND INIR INDR.They deal with sending /reading bolcks ofinformation to ports. The problem is, …
... disk or microdrive) into a memory buffer. The DivIDE interface is ... only, so you can repeatedly read data in with INI / INIR ... -
Name that gameIt was a shooting gallery set in a fun fair with you shooting up the screen, and I'm pretty sure that ducks appeared in it a lot ... or something! I'…
... got a good memory though... I hadn't read that review in ... -
Chuckie Egg EditorsHi, Can anyone give me step-to-step instructions on how to get the Mercury Software Chuckie Egg Editor in the archive to work, using an emulator? […
... little table in the spare memory and alter the egg numbers ... job. They are tabled and read no lift, no lift, lift ... -
z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... has a memory map editor. I still don't read the map ... .
Based on the specific memory map for your projects machine ... -
how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…
... POKE the arguments somewhere into memory, then in your MC routine ... '.
====
or you could read the above posted at while ... -
z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... has a memory map editor. I still don't read the map ... multiple map files for the memory mapper? It may be necessary ... -
z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... table lookup using bytes read from these two pointers ... The engine is now a memory pig. splib2 required less extra ... memory than a double buffer ... the same amount of memory as double buffering ... for sprites. The memory issue can be eased ... -
Wanted: Game Ideas!Ok then here goes nothing. I'm a reasonably good programmer, but I'm really no good at coming up with game ideas and graphics. So if any of you have…
... program so it eats more memory
2) libraries are less ... how to do things (i read few emails about Double Dragon ... project than the one i read about in last DD email ... -
Stuff for SaleHi all, To clear some space, we've decided to sell some games. This is what we have: PS1 Harry Potter and the Philosopher's Stone Star Wars: Epis…
... on the N64, I've read (repeatedly) that the PSX version ... game. You do need a memory pak (controller pak) to save ...
