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Machine code loopsThis might sound a bit daft, but I,ve forgotten how to do loops using th 'b' register... I want to loop this x mount of times: [CODE]ld a,r and 6 i…
... mount of times:
[CODE]ld a,r
and ... /> call 43100
call 45000[/CODE]
There is any ... -
ANN: Tipshop updated Sunday, 09 September 2012Sunday 09 September 2012 Lots of stuff going on In Real Life, so the update is a tad late! * JP provided a correction to the type-in hacks for Agen…
... a correction to the type-in hacks for Agent Orange, ... provided a correction to the type-in hack for Cobra
... in Harvest Havoc! , Fireman Fred , Frankenstein 2000 ,
Fruit Machine ... Sam , Superdeflex ,
Swettibitz in Space , Thingy and the Doodahs ... -
FA: Assembly Language Programming Books + Software (Rare I believe)The following books/software are up for auction on ebay: [LIST] [*][B]Spectrum Machine Language For The Absolute Beginner[/B]; by William Tang; publi…
...
[*][B]Introducing Spectrum Machine Code - How to get more speed ...
[*][B]The Complete Machine Code Tutor[/B]; by Malcolm Evans ... I believe [B]The Complete Machine Code Tutor[/B] software is ... and the principles of machine code back in my teen days 25 ... -
saving time populating large arraysI use a variation on this idea for storing machine code at the end of programs without interfering with LIST, then it occurred to me that it would al…
... on this idea for storing machine code at the end of ... separately, thus missing out anything in between.
Here ... cater for multiple arrays.
[code]
REM header: 1+ ... 32
REM byte1 = 11000000 + CODE "d" - 96 = 196
... -
So what's the building sequence?Hi to all Since ages I wanted to create my own program on the speccy and then offer it to people so they could enjoy (or laugh about it xD ) Now as…
... in BASIC or other),
then assemble it (or convert to machine code ... -
A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…
... /MasteringMachineCodeOnYourZXSpectrum.pdf]Mastering Machine Code on Your ZX ... in the context of passing parameters to machine code, ... the address of machine code embedded in the program ... br /> References:
* storing machine code in BASIC (Jan)
* more ... -
Ceran Software, issuesThis company has listed 2 games: Coingame [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001005[/url] CodeScan [url]http://www.worldofspe…
... that the first game is in german, and I cant see ... anywhere the label (not even in the Basic listing) "Ceran Software ... advert saying the game is in Machine Code.
So all this ... -
They're here ! BASIC horror themed games[IMG]http://i1163.photobucket.com/albums/q541/Rygarman/theyre_here.jpg[/IMG] Because its my birthday tomorrow (38 years young) I am making these ga…
... the unofficial ?Dracula? borrow code from a type in game that I saw ... potential in... ?Gravedigger? by Alan ... .
Looking at the code now I can hardly remember ... kids today would type in games from books of code and painstakingly try ... -
divIDE +3e: How can I put games into hard disk?I've got a +3, a divIDE and the +3e ROMs. I want to copy some games in the CF card so my +3e could execute them from BASIC ("disabled" divIDE, loadin…
... no loading from machine code).
- They must fit in RAM (so they ... some games that came unprotected in Microhobby magazine (i.e.: ... that the only transfers supported in emulators are Multiface... but ... , but it uses a machine code loader so I could not ... -
A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…
... with the correct CHR$ code following and in the main program insert ... give them different initial letters in the DATA statement; eg. for ... ..."len",177,"uln",184...
[code]
9990 DATA "fn",168 ... 9991
9993 LET u=CODE t$+47: CLS :
PRINT ... -
New Xmas Game: BAUBLE BLAST[/SIZE] [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/baublescr_zps293d3fb1.gif[/IMG][IMG]http://i11…
... of a type in I've gone over the Mole Rat code during ... I'd share anyway. Just in case anyone does fancy playing ... -
eBay sales - less common games (e.g. Dalek Attack)I have some Spectrum games and hardware for sale on eBay, including the following: [LIST] [*]Dalek Attack [B](sold)[/B] [*]The Jetsons [B](sold)[/B]…
... +2's in various states of disrepair
[*]Mastering Machine Code On Your ... -
New Game: Advanced Premiership SimulatorHi Friends, I discovered BASin last Saturday, and I've found it rather fun to play with. I ended up producing this; It's basically (no pun intended)…
... football matches between teams in the English Premiership and ... digital samples (achieved using machine code). There is also some ... was considering entering it in the Crap Games Competition, ... professional programming in C/Java and hobbyist machine coding have ... -
Best Way to Learn From Input Magazines?Hey all. I'm the lucky recipient of all the Input magazines that were published by Marshall Cavendish back in the day. I've decided to start prog…
... published by Marshall Cavendish back in the day.
I ... GAMES ones and finally the MACHINE CODE ones?
Any ideas ... -
Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…
... ROM to get paged in so alternative code is executed to ... LOAD command, or some other code in the case of loading headerless ... otherwise directly called by a machine code program.
The ... that's loading blocks has code running in the ZX BASIC sysvars ... -
Wrong in-game screenshot displayed in One Day Cricket By CRL GroupThe one displayed now: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0002891[/url] belongs to a game with the same name, but a type-in: [u…
... the same name, but a type-in:
[url]http://www ... -
Speccy clearout - GamesI'm having a big clear-out of a lot of Speccy stuff, so part one is the software. (followed by hardware at a later date) If anybody is interested in…
...
If anybody is interested in any of the games below ... />
All the games are in good to excellent condition, and ... confirm that they are all in working order, I will ... /> Wizball (Ocean)
ZX Spectrum Machine-code Assembler (McGraw-Hill)
Zub ... -
I thought I'd give assembly a goAnd well being an absolute newb,I'm absolutely useless.I need your help. I thought I'd give this a go in zxspin [url]http://chuntey.wordpress.com/20…
... 'd give this a go in zxspin [url]http://chuntey.wordpress ... /01/12/tutorial-zx-spectrum-machine-code-game-30-minutes/[/url].
in laymen terms,as this is ... -
Multiface 3 programming guide anywhere?I'm interested in the tantalising little bit of text at the bottom of my Multiface 3 manual (under the "Using 8K RAM" section): "Please send a SAE…
I'm interested in the tantalising little bit of ... use the 8K RAM.
Machine code users only."
Did ... -
BetterBytes Disc-Mate MGT Protectionmornin all while lookin at a few programs last nite i noticed disc-mate has some form of protection on it it will load fine in zxspin but try and loa…
... /> it will load fine in zxspin but try and load ... it in real spectrum or speculator ... and their isnt any machine code hidden in the basic but their ... seeing as it loads fine in spin then i guess either ... their is a small bug in the real spec and ... -
Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…
... in my CF card. Now, I'm thinking about use machine code ... loader, but I've got some questions. Nnote that in ... memory), but what about code? I was thinking ... that use BASIC and machine code mixed. I've ... the program uses only machine code (i.e.: Tir ... -
Wrong magazine reference (Microhobby) for the game Atlantis[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0013841[/url] Apparently it all comes down to the fact that the game was re-released as "Sub",…
... it exmplains the command "Sub" in machine code ;)
[url]http://www ... -
Shifting the UDG pointer from a MC loop...I have got myself in a bit of a mess again, I am trying to write a machine code subroutine that shifts the udg pointer (23675) up 64 places then shif…
I have got myself in a bit of a mess ... am trying to write a machine code subroutine that shifts the udg ... to a higher address later in the game. I need the ... be easy!
Thanks in advance! -
Starting with assemblyHi Guys, I am looking forward to following this guide [url]http://chuntey.wordpress.com/2010/01/12/tutorial-zx-spectrum-machine-code-game-30-minutes…
... /01/12/tutorial-zx-spectrum-machine-code-game-30-minutes/[/url]
in assembler. Can you guys recommend ... -
30-column 8x2 multicolor (even in 48K)I don't recall any 8x2 multicolor routine for 30 columns that would work on all Spectrum models (including the Spectrum 48K), so I decided to write i…
... A ; extra delay[/CODE]
Executing it in a Spectrum 48K ... delay
; 16239T[/CODE]
Executing it in a Spectrum 128K ...
; 16297T[/CODE]
Executing it in a Spectrum +2A ... -
Toni BakerApologies if this has been asked and answered before; a search (both WoS and Google) doesn't bring up many clues. I spent many hours as a youth try…
... youth trying to fathom Z80 machine code. I didn't get very ... Toni Baker's classic Mastering Machine Code on the ZX Spectrum.
in my [URL="http://retropdfs.wordpress ... have anything after an article in issue 38 (June 1987) of ... -
Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…
... of internal bit D4(rom type) set = ignore state of ROM ... type and always enable betadisk memory ... set external bit D4(rom type=1) and connect from adress ... ]
It's full source code in ASM format. Archive contain directory ... -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... excellent Movin' & a Groovin' machine code screen routines from Your Spectrum ... POP / PUSH BC in the middle of the code made it a ... utterly confusing and wonderful reverser code.
On the ... C,(IX+0) ; bung it in C instead
LD (HL ... -
Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…
... of showing how efficient the code is.
I've ... to determine how fast the code runs? -
Returning to BASIC from asmI never had to do it till now but there is always the first time :) At machine code program start I preserved SP register and all the other ones. A…
... first time :)
At machine code program start I preserved SP ... ]" message I get "[B]Nonsense in Basic"[/B] :(
What ...
