-
Moving a line down the display in assembler?...It's not a "[I]how can I do it[/I]" question, it's more a "am I missing something in trying to do it a new way" kinda question. What I've been doing…
... call this code and you get the screen address in HL.
[CODE]
ld ... /> ld l,a
[/CODE]
...but what ... this (untested);
[CODE]
ld b,16 ; < ... -
Cricket. Duckworth/Lewis calculator.I'd appreciate it if anyone here who enjoys cricket, and ideally is also familiar with the rules of one-day matches takes a look at a little program …
... calculate the Duckworth-Lewis scores in one-day matches (such ...
The instructions file included in the archive only really covers ... par scores. That is work in progress :)
... whilst I've written machine-code routines to make navigation around ... -
New Game: Bouncing Bomb - ReduxHi all, I've just finished making a(nother) new Spectrum game "Bouncing Bomb: Redux" It's a remake of my first ever attempt at a machine code game, …
... /> attempt at a machine code game, originally made back
in 1986..
code hacking
is required this ... -
L Break Into Program, 0:1 BlogThis is very much a work-in-progress but it's got a load of Z80 code I'm in the progress of writing, including some fast vector graphics primitives (…
... in-progress but it's got a load of Z80 code ... I'm in the progress of ... in the day developing commercial games. Sadly most of the original code ... BASIC and machine code primer.
All code is free ... for speed. The code on the whole is ... -
New Game: Catacombs of BalachorCurrently in the process of uploading onto WoS... Watch this space..! [IMG]http://i1016.photobucket.com/albums/af288/Thirdharmoniser/catacombs.jpg[/…
Currently in the process of uploading ... of learning a bit of machine code/assembly, with the intention ... a game, or in fact program in general, other than ... can actually complete the game in about 10 minutes, but ... from "back in the day" who got in touch and helped ... -
Best books & Sugested reading..Hi i was trying to search the forum but couldnt find it. Looking at WOS there is a number of books on BASIC, programming, machine code ect.. I mess…
... of books on BASIC, programming, machine code ect..
I ... that all the boring machine code and interface I articles ... and write a solution in basic or machine code for the specy ... am reading Introduction to Spectrum machine code now.
But ... -
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 ... -
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 ... -
need a new method for m/c parameter assignmentI've been using a variable length function of the form: "FN a$(a$,a[,b...,z])=STR$ USR md" to search a data table and return a string result. By putt…
... calculator stack and manipulating the machine stack before the RET then ... has proved very useful in tracking down the slow sections in the code. -
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 ... -
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 ... -
Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... as easily on the target machine.
I will be ... will explain further in a minute.
[code]
15 BORDER ... /> 50 LOAD "ELITE.CDE" CODE
[/code]simply, like the SCREEN$ loading ... to do on the target machine so here is how.
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 ...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 ...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 ...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 ...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 ...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... 10 and taking the remainder in each loop. This turned ... it a try as Z80 machine code implementation, to see if ... />
The listing:
[code] org 40000
Principal ... /> NUMERO ds 255,255 ;In big endian format. This is ...About how z88dk generates code and makes room for variables.When you attempt to code games for the 128K models using z88dk in C you need to somewhat control where variables are stored in memory. I thought tha…
... to code games for the 128K models using z88dk in C ... as they were found in the code, but I've found ... is, for example:
[code] script_result = 6;
script_something_done = ... looking at the generated code:
[code]ld A, $06 ...
