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Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
So... finally I?m studying Assembly Z80... after 36 years. :)
... to make a game using Assembly?
I bought a book ... -
Using the ROMs PRINT routineI really am starting from scratch again it seems, but how do you utilize the ROM routine to print characters, I think you point te BC register to an …
... do you utilize the ROM routine to print characters, I think ... -
Using Boriel's ZX Basic to learn assemblyI wrote a small guide. Hopefully some people will find my gibberish useful - especially people looking at first steps in machine code, where I think …
... /tutorial-how-to-put-inline-assembly-functions-into-zx-basic-t729 ... -
Game over routineA few years back I remember a routine that printed 'game over' or other message randomly all over the screen in different colours. Think it was out o…
A few years back I remember a routine that printed 'game over' or other message randomly all over the screen in different colours. Think it was out of YS, but not sure.
Anyone remember what it was called or where I could find it? -
The INPUT command routine ($2089)I was looking at the INPUT routine with a view to modifying the intro so that I could pre-load the workspace and edit an existing value, rather than …
... was looking at the INPUT routine with a view to modifying ... -
Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…
... that covers the memory move routine that uses a$=b$ via ... -
Learning to program in AssemblyI hope Im posting in the right place. My question is what is the best way to start learning assembly on a ZX Spectrum. I've done some simple assemb…
... best way to start learning assembly on a ZX Spectrum. I ... 've done some simple assembly on a DSP chip and ... or software used to enter assembly language and to save it ... -
SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... "INPUT string" routine that I could use in Assembly programs and supported ... code size instead. The entire routine is only 340 bytes, although ... need to be included in Assembly programs are under 300 bytes ... -
redirecting Z80 sub-routine CALLsI'm working on changing a TR-DOS disk program to work from standard +128k tape and thought that rather than painstakingly working through the code ma…
... could install some automatic redirection routine so that whenever the PC ... it would jump to my routine instead. This would be just ... -
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... a 40 column printing routine, which I'd like ... 40 Column Font & Routine."
defb 22,5, ... /> call rst16replacement ; basically the routine replaces rst16
inc hl ... OVER flag - if 0 the routine clears space for the printed ... -
Assembly game programming on ZX how-to?Hi. I'm planning to build and release new software for the Speccy but I'm pretty lame as to handle its hardware despite a good mastery of Z80 assembl…
... a good mastery of Z80 assembly. Any good documentation concerning this ... -
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…
... credit these with teaching me assembly language and the principles of ... -
Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …
I'm looking for a routine that scrolls a small section ... />
I seen a similar routine in 'Input' magazine many years ... -
Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…
Hallo,
In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
[code]
sub light(x as uinteger,y as uinteger,intensity as ubyte)
dim adr as Uinteger
if x -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... starting to look into doing assembly language properly. All went swimmingly ... until I wrote this little routine, which is designed to print ... ]
On entering the routine, HL will point to [B ... all; I step through the routine with a debugger and see ... -
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…
... I wrote this little BASIC routine to do it for me ... -
Interview with Clive Townsend (Saboteur)Here you have at [URL="http://www.elmundodelspectrum.com"]www.elmundodelspectrum.com[/URL] this exclusive interview with Clive Townsend. Don?t forget…
... Pit. I was still learning assembly language as I wrote it ... I'd work on a routine, compile it, then save it ... -
checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…
This routine starts off with HL=$ffff ... to A and calls this routine, ending up with another value ... -
Checksum routine wantedI wish to make a program that verify integrity of a Multiface 1 ROM. It is possible to compare each byte of the ROM against a binary dump, but this i…
... />
Thus, I need a routine that calculates a unique value ... -
How to benchmark a single routine?I've written a routine. It works. But it was never meant to be the final version. So I rewrote it. The new routine works too. Yay. :) However, I'd …
I've written a routine. It works. But it was ... I rewrote it. The new routine works too. Yay. :)
spectrum & spectrum + assembly coursefull title is spectrum & spectrum + assembly course [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0007969[/url] author of book is martin …
...
spectrum & spectrum + assembly course
[url]http ...Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... 'm trying to write a routine that plots 3 pixels to ... /> call $22E5 ;call ROM plot routine
pop bc
inc ...Sampling routineLooking for a simple yet crude sampling routine that I can use on a forthcoming game. I've tried most of the ones from the archive and find them uns…
... a simple yet crude sampling routine that I can use on ... spare and just need a routine that goes "YEAH!"
Redefine keys routineHow would I go about making a memory efficient redefine keys routine? I only want to define up, down, left and right and reserve key 'H' for pause.…
... a memory efficient redefine keys routine?
I only want ... .
The key scan routine in the game goes something ...Routine for Currah speechI'm currently writing a routine for the Currah that will provide speech during a game. A timer is set to initiate the speech every 50 cycles of the …
I'm currently writing a routine for the Currah that will ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... 2013 on a spectrum in assembly/machine code... No fancy ... impacting the reset of the routine... enough of the postulating...< ... [/code]
ok the routine...
[code]
1600 ... adding extra opps to the routine.)
It should ...Squishing code up nice and small then unsquashing it in assemblyI refer of course to data compression. I've done a search and there are lots of good compressors, but I can't seem to find one that works in assembl…
... find one that works in assembly. ZX7 is great for example ... is a short bit of assembly code (exactly what I'm ... ; decompressor that are both short assembly listings, designed to work on ...JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …
... additions.
Original teleport routine is copyright Your Spectrum issue ... small piece of basic containing assembly to headerless load the game ... (47416 bytes) and the keypad routine as per JSW1 albeit this ...
