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How to load assembly language programs onto a ZX SpectrumHello, I have recently started learning Zilog assembly for the ZX spectrum, and have written a game and some simple programs. These all work fine in…
... have recently started learning Zilog assembly for the ZX spectrum, and ... -
What is the best book to start AssemblyI want to start to learn Assembly
I want to start to learn Assembly -
converting sna to tapsince i'm struggling to find a simple sna to tap converter that works fine on gnu/linux, i'm about starting to code one on my own (using a scripting …
... hide load log on screen variable system
30 load"" code ... val"17664"
the assembly code in the last chunck ... -
2xBooks: Assembly Language For Arcade Games & Machine Code Sprites And GraphicsI'm looking for the following two books to help my machine code game programming: 1) Assembly Language For Arcade Games and Other Fast Spectrum Prog…
... code game programming:
1) Assembly Language For Arcade Games and ... -
how can we load +3dos files in assembly?is there some way to load +3dos files in assembly, like calling bios routines somewhere? (like defining in registers the filename string address in m…
is there some way to load +3dos files in assembly, like calling bios routines somewhere? (like defining in registers the filename string address in memory, loading location, size, etc., and call the routine that loads it?) -
Tutorial - full game from scratch in z80 assemblyI wrote a game from scratch to release in z80 assembly and wrote it down in tutorial form. Target is basically 48k speccy with the AY chip, or 128k s…
... scratch to release in z80 assembly and wrote it down in ... -
Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…
These are the specs for the evaluator - if anyone can think of anything else that should be added post here.
Labels are stored as 32 bit signed numbers. You can use labels and constants
to perform mathmatical operations and return bytes ... -
VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…
... the entire program was in assembly? Would HALT serve the purpose ... and updates the frames system variable -- pure overhead from Basic. It ... ) was reading the frames system variable to see if an interrupt ... -
Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... , and scores for speed on variable handling which it uses its ... a lot more compact than assembly code, so any way of ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... of the file. The C variable "frame01" will point to the ... label "_frame01" and the C variable "frame02" will point at the ... latter here with some inline assembly because we're not quite ... this is stored away in variable "temp". The next call to ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... longer indicated by a new variable, but is instead stored in ... " and comes up with the assembly instruction "ld hl,_screen+-0x4000 ... -
Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…
... discover where a variable is stored in the variable table (as detailed ... beginning with "zx_". These are assembly functions that can read and ... -
Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…
... beginning with "zx_". These are assembly functions that can read and ... the name of the target variable, and it looks like HL ... -
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…
... hand, is a relatively small assembly subroutine. It still has ... and fgetc_cons read the system variable LASTK for keyboard input. This ... the key read to system variable LASTK. It also means ... the last keypress in system variable LASTK. By executing in_GetKey() ... -
16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.
... checks to see if the variable name is "assemble" (the value ... a space - REM ! marks an assembly line
3) You don ... (e.g. after compilation, the variable loop will contains the address ... BASIC variables directly in the assembly code (it will error the ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... br /> ////////////////// Global Variable Definitions ////////////////////////
///////////////////////////////////////////////////////////////////////< ... errors occurred during assembly
... -
Leave AY Chip alone guysWould you have a go at a child with down syndrome? No, thought not. AY has Asberge Syndrome, it's a form of Autism - think of that please before y…
... matter if you spell your variable names wrong, as long as ... programming using ZX Basic, Z80 assembly language, BBC BASIC and 6502 ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... logic is currently performed by variable assignments that control the game ... the option of storing an assembly program inside this string, then ... to encode each byte of Assembly code. It means a 40K ... hide about 6.7K of Assembly code (not including the idea ... -
Cross Platform DevelopmentWhat's the best way to develop cross platform apps? By best, the only limiting criteria would be "at no cost" :)
... quite close to the underlying assembly language and is a minimalist ... the C language. Every local variable access requires some push/pop ... and I have made the variable names smaller.
[CODE ... =month. I hate long wordy variable names for the sake of ... -
splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... move all of splib2's variable to DEFVARS so they can ... .lst" which lists all the assembly routines that are compiled into ... -
IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... is dyanmic (variable) data.
If the original assembly code was ... -
Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... originally).[/QUOTE]
The assembly listing takes care not to ... always uses a floating-point variable to decide when to move ... -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... /> I'm no expert in assembly but would it be possible ... would be transferred to the variable though! -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... ]I'm no expert in assembly but would it be possible ... would be transferred to the variable though![/QUOTE]
[code ... ! Obviously b$ is the assigned variable in the example. You still ... -
Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…
... NOT forget to use temporary variable for X' :) You really don ... .
Doing this in assembly requires fast line drawing routine ... -
Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…
... RAMTOP. This 16-bit system variable (at 23730) contains the value ... not paused before assembly - will continue execution after assembly and will jump ... -
Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…
... RAMTOP. This 16-bit system variable (at 23730) contains the value ... not paused before assembly - will continue execution after assembly and will jump ... -
BIN shorter than NOT PI?Some time ago I checked many loaders and want to ask why coders are using BIN and not NOT PI? NOT PI is only 2 Bytes, BIN would be better if it would…
... value of the VARS system variable, which points to the first ... a bit like the Z80 assembly instruction [B]XOR A[/B ...
