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ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…
... [/I] it's something to do with the RAM. ... br /> 10 FOR F=17408 TO 32768
20 POKE F ... value depending on its address to each memory location. Once ... instance, writing to one memory location writes to two, then ... though: you may need to go make a cup of ... -
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... wrote a program that writes to screen RAM every bit pattern, and ... ($6000-$7800) and copies it to screen RAM, hence testing write and ... test rom. Spectrum initialized and screen looked just like in emulator ... . How should I read the screen?
If there ... -
Did anyone ever complete Technician Ted?Hmm I just wondered, this was a big game and quite difficult! Just wondered if any of you guys ever completed it, as i never did! For me it was as di…
... !
I was about to get the rzx (before realising ... thought of something.
To save me going into bookmarks ... !) how about adding the rzx address to your profile so we can ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... address to write encoded symbol to
; a = next bit in de to write to ... /> ; exit : hl = memory address to write next encoded symbol to
; c = next ... de,hl ; hl = memory address to write symbol to
or a
Is this wanted..Which Micro Flexidisc I found it when i bought some CP/M and Forth books today it was inside one of the books. Side a: ZX81: blockade Spectrum: Blophop BBC B : Robotcha…
Hi John and welcome to the forums,
well, I still have the flexi disk, so if anybody on the preservation team want it, FOR FREE - pm me an address to send it to.
kind regards,
Steve(spt)The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... project and since that was to have the 64 column ... attribute byte. An easy extension is to modify the addressing of the attribute ... fetched to get ... . Another easy extension is to use that 2nd byte fetched ...Writing for MultifaceI was just wondering, is it possible to write a BASIC program, compile it and use the Multiface to run it? I'd like to write a small util to edit te…
... /> 100 LET s$="": FOR n=address TO address+31
110 IF (PEEK ... n)32 THEN LET ADDRESS=ADDRESS-32: GO TO 100
220 IF ... INKEY$="X" AND ADDRESS0 THEN LET ADDRESS=ADDRESS ... -1: GO TO 100
240 IF ...ZX-PC InterfaceRight - i'm 34 and I cant take the pain of waiting for tapes to load any more - somethings gotta give ( either the tape deck or me ). I've seen a 'Z…
... online. I use these signals to make the interface work with ... not be needing an interface to communicate when you replace the ... new system variable (even NMI-ADDRESS) to make your LOAD/SAVE point ... GAME, ALTER SYSTEM VARIABLE, SAVE TO PC, SET SYSTEM VARIABLE GAME ...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…
... to 49152 ;writting to shadow screen
set bit 3 to 1 ;switch to shadow screen ... different routines, one writes to screen on 16384, second to screen on 49152
Podder (1986)An obscure game that sold for just 99p back in the day, it's not bad actually. But having played it for a couple of days, I have nowhere to go. Basic…
... reviews you have to find 107 parts ... screens and then return to screen 1 to finish the game.
Maybe you have to collect so many parts, or ... , before you get access to the remaining screens? Maybe ... probably take me several weeks to find even 28 parts, ...b00mzi11a - where is he?I transferred money for the xbox to his account nearly 3 weeks ago, since then he's dropped off the 'net. I don't want to jump to assumptions as he'…
... /> I really will try not to say 'told you so' ! ... late or give his new address to them. You were kind ... little stupid no disrespect ;) to call them off last time ... after more trust given to him hes thrown it ... contacts you crying away to call them off totally ...Assistance with IM2 routineI subsequently got a working IM2 routine.
... Thanks. I knew it had to be something simple. I ... 'I' doesn't jump to $fdff, instead of picking ... used by the CPU to pick an address to call, will always ... CPU will look for the address to call.
... be used to call a specific function, the address of ...Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
[QUOTE=Crisis]according to the 'M:' that might be ... (RAM) disk.
COPY TO SCREEN$ will display the contents of ...Basic or Machine code?Hopefully the correct area of the site to post this question. Anyways, I have got hold of several books on programming my spectrum, and I was wonderi…
... tells the assembler the starting address to calculate labels from (so that ... it knows the addresses to put into JP / CALL ... ), and DUMP tells it where to put the code.
< ... address for both, although occasionally you might want to assemble your code to ...What is it exactly about that Spectrum that you like so much?I'm sure that most people here will agree that there's something very special about the Speccy, thats why we visit WOS afterall... But what why has i…
... rivals in the years to come to the marketplace by a ... . Also, the processor power to screen memory ratio was very favourable ... . Games tended to fly along on the Spectrum ... and scrolling which tended to constrain games to particular formats that ...The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... be possible when changing the address to start a fresh dissembly from ... that address.
I was using it to get ... time I entered the address it went to the closest already ... dissembled address and not the address my ...Legend of the Burgle! Download[url=http://xfaworld.balder.prohosting.com/legend_of_the_burgle.html]You'll find it here...[/url] Special thanks to Fikee for the great loading scre…
I like this better than the other two. I've been playing Back on the Burgle today as well, and this one definately benefits from the compiler, and the fact you don't have to go from screen to screen to find a new house to rob.Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…
... /23429.html[/url] are worth to see
-basically, speccy ... compromises. some things which comes to my mind.
*nice ... 16bit, game writes pixel directly to screen (avoiding copy routine which takes ... an exaggeration but BUSY want to say that something like ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... , one Screen$, one CODE block.
The user wants to load ... program, as you failed to specify CODE/SCREEN$/DATA. So it will ... blindly attempt to load the data ... , you get the data sent to screen memory. If not, Error R ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... file, are you intending to decode the LZW stream ... very least going to have to patch or trap ... You'll have to specify the address to load to, but that's ... patch the load routine to ignore the checksum and ... specified. You're going to have to abandon LOAD "" CODE, ...Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... background, and copy it to a backbuffer, one off< ... into order (based on back to front)
3. BLIT ... br /> 4. Copy the backbuffer to screen
5. Remove all ... />
Who would like to join me in creating a ... have webspace, who'd care to join me.
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... [*]Only draw character cells on screen that change
[*]Scene ... taken to the limit. Ie instead of drawing the entire screen ... sprites and background) is copied to screen. A big advantage is ... so that the entire screen does not have to be rendered.
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... [*]Only draw character cells on screen that change
[*]Scene ... taken to the limit. Ie instead of drawing the entire screen ... sprites and background) is copied to screen. A big advantage is ... so that the entire screen does not have to be rendered.
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... assign planes (a z-order) to screen objects which can be from ... I draw a character cell to screen, everything in that char cell ... redrawing instead of the whole screen. The z-order of sprites ... cell; most 3d objects on screen will not move so their ...Self Relocating CodeOn page 47 of [url]http://www.tim-mann.org/trs80/doc/ldosq1-3.txt[/url] is an article about relocating code. The documented routine that performs the…
... BC ; BC is start address of prg (USR call ... program start of first address to relocation, a byte. ... of next relocation addresses to previous ones. End ... mutual displacement of addresses to relocation can not ... means that add 254 to address pointer (HL), and ...What new (ish) ZX game have you played mostJust wondering what games from 2000 on have grabbed you most, I found a lot of TR-Dos games on here last year and was seriously impressed by a little…
... /shuffle around as Bub from screen to screen... the last version you posted ... buzz of what you wanted to create in your mind otherwise ...Loading Screen ProblemI am putting together files on a tape that my game needs. The problem that I have is that after loading the "loading screen", the image is spoilt by …
... your loader after the LOAD "" SCREEN$
and before any other ... LOADs.
Just remember to put the second poke in ... first one disables any printing to screen (I think).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…
... don't know how to do is convert basic ... I read something about Spectrum screen driver? How do I use ... think you're going to have to use "\x05" instead ... you'll gain access to up to 85 column ansi-mode ... is not done directly to screen and will only appear ...
