-
128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…
... /> inc hl ; to create
inc hl ; return address
ex ... (sp), hl ; call address to hl
; return address to (sp)
ld de, back_to_r0 ; address in rom1 ... -
err, I like wrote this years ago, and just found it archived.[b]read it, and say it's crap if you want, but do not go on about the technical side, cos it was bullshit, we all know it, and the end makes no sense…
... he was going to get down to some serious work. ... The stereo settled down to a more sensible level ... 'was the password hard to break?'
''Well....'', ... thing, you are going to co-operate'
'And ... /> It was hard to explain to anyone what the outernet was ... -
Possible NEW retro shop????Hi guys (and girls)!, There is a good possibility that I may be able to set up a small retro games shop in Kent (Southboroug…
... that I may be able to set up a small retro ... as the guy who used to co-own a PC repair shop ... up that could allow me to us a bit of shop ... in the shop, for all to see a play around with ... />
If people just wanted to come in and have a ... -
Randomize usrHi, I've often wondered why/how they came up with RANDOMIZE USR <memory address> to invoke machine code couldn't they have used a better keyword (e…
IDE emulation and delaysA few months ago I was told that IDE emulation, while perfectly usable, isn't accurate enough to compare it to IDE access on real hardware. On some e…
... t accurate enough to compare it to IDE access on ... to find out the physical sector from the LBA or CHS address ... a logical sector address to the physical (internal) sector address.
to perform an address coordinate translation which ...Some TR-DOS technical questionsHi forum, I sincerelly hope this was the right section of yours to ask this kind of stuff in. (else return facepalm;) Anyway, here's a couple of que…
... right section of yours to ask this kind of ... which can be used to read the OS ports:< ... However I was not able to confirm this. Here's what ... />
[quote][b]Read address[/b] - gets the 6-byte ... hl,buffer ; the address to load the ID to
out (#1f ...Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... br />
+ The instructions refer to two listings - there are nine ... , which doesn't match any address given in the instructions.
Computer Gamer never printed corrections to listings, so a fat lot ... I work out the USR address to start the machine code?happy birthday murtcepshappy birthday murtceps .., I knew I should have kept ya address to send you some "quality" games :) I think you were one of the first people I talk…
happy birthday murtceps .., I knew I should have kept ya address to send you some "quality" games :)
I think you were one of the first people I talked with on here.. that rev hardcastle thing? :)Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
...
simply trying to find best way to transfer programs from PC ... it works. But to upload a file to ZX Spectrum it ... that I just need to prefix my raw binary ... All I really want is to transfer my machine code ( ... CODE program) raw binary to zx spectrum and run it ...automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... at a different address from that to which it was ... plus 4 bytes for each address to be changed.
address of location to change
ld ... example table of address+content word pairs to change;
...ZX Shed OnlineYay! I'm putting the site together now so we will soon be online! I'm adding the content from previous issues at the moment..... I'm after volun…
... />
I'm after volunteers to co-maintain the site as well ... no facility to upload articles via the site, so co-maintainers/Shed ... general users will be able to review games, upload articles, etc ... wanting to see the progress can go to [url]www.zxshed.co.uk ...Invalid combination of operands and opcodesIt says the error in the title, why is this?? [CODE] ORG 0000 LD HL, 63000 ;LOAD HL WITH STACK LOCATION LD SP, HL ;SET STACK POINTER TO HL LD A, …
... br /> ;> HL IS STARTING ADDRESS OF TEXT
;*********************************
ASCII ... /> ;> A IS THE STARTING ADDRESS
;*********************************
CLEAR_LINE
...
OUT (3), A ;SET ADDRESS TO THE EMPTY LINE
RET ...SOPA's bigger brother ACTA[URL="http://www.siliconrepublic.com/new-media/item/25449-forget-sopa-europe-is/"]Forget SOPA, Europe is about to ratify its bigger brother ACTA[/URL…
... SOPA, Europe is about to ratify its bigger brother ACTA ... for new legal regimes to "encourage ISPs to co-operate with rights ... Government is within days about to pass a statutory instrument ... movie studios, the right to seek injunctions against ISPs concerning ...Google PlayGoogle Play is a new addition to the iGoogle browser homepage that showcases Android apps [url]http://play.google.com/store/search?q=zx+spectrum&c=a…
... Play is a new addition to the iGoogle browser homepage that ... have been [I]trivial[/I] to search if this has been ... Nerdstalgia which allows you to add attribute clash to your pixel-perfect pictures ...Games with time travel mechanics?What games involve time travel or time control in their gameplay mechanics? I don't mean games where time travel is just part of the story (i.e. it's…
... 's used just to take the player to different eras or periods ... , then goes back in time to co-exist with your earlier self ... ]), or where you can jump to any point in game time ... the game) and make changes to the game world and those ...EMUZLOADER errorI've been sent some program files in EMUZLOADER format. One won't load as the unpacking doesn't stop when it reaches the top of the stack at $408F bu…
... at $408F but attempts to unpack over the remaining top ... seems to unpack to the top of RAM downwards to the ... thought maybe copying it to the Multiface 8k RAM ... it did manage to unpack back to the top of ... expects the restored SP address to be at the end of ...Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…
... of my code using start address 0 and generate relocation table ... through it and add load address to all entries inside.
16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…
... also triggers the multiplexors to present the column address to the RAM and ... so there isn't much time to ... latch the row address. Extreme measures aren ... of problems due to the SRAM latching an address or data too ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
Having problems with this routine to print large on the screen ... BASIC, but cant seem to get it to loop for some reason ... /> ld hl,72 ;start of address to poke
ld b,7 ... /> loop ld (23681),hl ;poke address with hl
push hl ...Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... br />
I'm trying to compress BombJack (MCM) and transfer ... " which I think is the address where the decompression code will ... understand why I have to specify this separately to the "original file ... the start and have one address to enter?
I've ...Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…
... following settings
#Enter hex address to store the stack pointer [enter ... .spStorageAddr = self.inputValue('Enter hex address to store the stack pointer', self ...My Heart Skipped a Beat!!I cleared my internet history recently and when I typed in the address to my favourite website auto complete suggested this: [url]http://worldspectr…
I cleared my internet history recently and when I typed in the address to my favourite website auto complete suggested this:
[url]http://worldspectrum.org/[/url]
I almost had a fit thinking Martijn had packed it in for good. :oHelp needed with a bit of code...My minds gone blank again I'm afraid, I'm having trouble with this routine that loads variables into memory then calls the corresponding routine. Th…
... /> ld (caller+2),a; loads address to be called in de
to load the variables into the address stored in de ... /> caller
call 56003 ;routine to be called
pop bc ... for routine 3 bytes prior to start[/CODE]Superfo Harlequin Rev D Documentation wantedI have a Rev D Superfo Harlequin PCB. I would like the documentation (schematic and board layout files), but I get a [b]Not Found[/b] error when I cl…
... /> Does anyone have a link to a copy of the documentation ... files that they can send to me please? If yes, please ... I will send my email address to you.
[b][i ...Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…
... to add 32 to the map address to get to the next line.
To ... TO SCREEN ADDRESS TO GET TO NEXT LINE
LD BC,32 ; 32 TO ADD TO ... ,BC ; ADD 32 TO THE MAP ADDRESS TO GET TO THE NEXT LINE
Wolfenstein 3D is finally fun!Alright, so Wolfenstein 3D is still popular with some people, and was very popular and innovative when it appeared, but I played it after I played Do…
... , so I could never take to it at all.
to play it, so download GZDoom ... , you can push barrels around to set traps, etc, and it ... think it's different enough to co-exist with the vanilla game ...Faulty DRAM chips wanted!If you have any suspect or known faulty DRAM chips, I'm after some so I can conduct some testing. I only want chips that are DIL type, either 16 p…
... />
PM me for the address to send to.
[b][i ...Less MIA - Peker AssemblerMIA and also missing from the database! [img]http://oi66.tinypic.com/16hw67a.jpg[/img] Peker Assembler TZX https://app.box.com/s/vdniq5c6r30…
... at address 59000. To load elsewhere use load "" code ADDRESS
To run ... begin - lines that follow are to be assembled
REM end ... - lines that follow are not to be assembled
REM defbs ... thing. I just need to get permission from the other ...New game competition!Competition time! There aren't any instructions at the moment, just some rules! Rules... 1. Teams of 4 or less only. A team member can be a …
... a WoS admin with their address to we can send out prizes ... commercial names or characters are to be used, however "inspired ... used.
10. All entries to be submitted by 14th October ... from exceptional graphics, music, etc to team work.
...INC not working as expected in LoopHi, i have been working on this for around 2 weeks now and Ive read myself into a hole. I am trying to increment HL. HL is referencing a display …
... am trying to increment HL. HL is referencing a display attribute memory ... I want that memory attribute location to go to the next or previous ... I put anything that tries to mathematically increase the number ... note I dont seem to be able to use Monitor and ...
