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What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... (has an alphabetical index of assembly instructions).
You could ... the opposite direction. Learning Z80 assembly is difficult enough! Spin has ...
ld (5C3Ch),a ;system variable 'TVFLAG'
[/CODE]
Static vs stacked local variables in z88dkHello everyone. I'm doing a program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008), and I eventually discovered that if your local variables in fun…
... . To randomly access a variable on the stack, the ... be executed per local variable. That's 8 bytes ... this reason. Hand coded assembly and z88dk does not do ... the address of a local variable like this:
variable access. Even so it ...Detecting ZX Interface 1 ROM VersionIs there any way of checking which version of the ZX Interface 1 is present? I know that the later ROMs were better at networking - what other impro…
... /> You could always compare the assembly listings of the two versions ... when printing (uses unused system variable 23728 )
4) uses up ...New soundcard for zx spectrum[url]http://translate.google.com/translate?hl=cs&sl=ru&tl=en&u=http%3A%2F%2Fmicklab.narod.ru%2FZXMSoundCard.htm[/url] It's new sound card based on T…
... files)
- Extended AY with variable duty cycle instead of fixed ... everything should be written in assembly, even compilers, he despise all ...Arrays in asm ?Just following the idea to make the menu entirely in asm, how can i handle arrays in asm to store the each game loader to be loaded ? thx in advance
... your strings may have a variable length. For example, you may ... a fit". They are of variable length, so you may want ... choose the best one since assembly language doesn't define anything ...for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…
... x86, but the PDP-11 assembly has both INC Rn and ... : CLR R5 # set the index variable to zero. (we'll keep ... better to compare the index variable to an absolute value rather ...Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... time to look through an assembly output, which seemed to store ... by some fraction or variable... Would that variable be a fixed value ...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... to a file.
Assembly is done by starting with ... file has an option turn assembly on/off. You may also ... using an MS-DOS environment variable.
The editor can ... works on labels once an assembly of the code has been ...Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... , avoiding the need for inline assembly!
[code]
#include ... screen
// Attach C Variable to Sprite Graphics Declared in ...Request for help (Z80 gigascreen loader)Although I'd attempted to stick to keeping things simple in Image to ZX Spec now I've implemented Gigascreen (8x8 only) I've found the BASIC Gigascre…
... don't need this program assembly - just a slideshow loader that ... ]video[/I] which has a variable rate encoding so it needed ...Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…
... USR x[/B] to invoke assembly routines.[/QUOTE]
Hi ... as it saves using a variable and avoids the problem of ... too. The mm variable is an existing variable that I have reused ...Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…
... think he's coding in assembly :)
The best solution ... X coordinate in a byte variable or even a register and ...binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... once, ie: pos as a variable, then maybe you need to ... some math formula into the assembly instructions, perhaps using a shift ...binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... once, ie: pos as a variable, then maybe you need to ... some math formula into the assembly instructions, perhaps using a shift ...binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... to know their addresses at assembly time... The upside of binutils ... the variable/data pool that you need the addresses of at assembly ...binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... use an address in an assembly-evaluated expression, you need to ... the text section and the variable to the data section.[/quote ... assemble; I assume the 'pos' variable is in a separate source ... not work is performing an assembly time expression on the address ...Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…
... think he's coding in assembly :)
The best solution ... X coordinate in a byte variable or even a register and ...z88dk + File Handling ProblemHello my fellow WoS'ers I thought I would ask here as I am having a bit of trouble with a very simple C program that I wrote for the spectrum using…
... defining a variable during compilation -- there must be some conditional assembly code ... by defining another compile time variable.BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... the difference between the 48k assembly and the 128k and saw ... 2 or 3 into some variable.
- Have the row data ... , Outter pokes nops according to variable, between chucks
...Is ...Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…
... ROM (or whatever) routine inlining assembly:[/b]
[code]#asm ... you need to copy a variable to a register, to something ...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…
... Assembly program to invoke an Assembly routine passing parameters through a BASIC variable ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
I'm sorry. Some of assembly is needed to complete the ... /> So I have optimized the variable addresses for do the snippet ...pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…
... take some time in Z80 assembly.
[*] In algorithm ... ;postcount=44"]#44[/URL] in variable terrain, using a single source ... listed above. The problem is, variable terrain is typically used in ...Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
... communicate more information to the assembly programmer.
As an ... maybe saving to a stack variable ("ld (ix+d),a"). Then ... use this or fastcall for assembly routines called from C):
SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... standard compliant.
[*]Assembly compiles with GNU binutils.
[*]Assembly file includes X80 virtual ... /> [*]Use reserved words as variable names during tokenization.
... [*]User system variable space accessible via IY register ...z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... stdio getk is reading system variable LAST_K, like basic does, ... 23560);" syntax places the C variable LAST_K onto address 23560, ... which is where the system variable LAST_K is located. The interrupt ... tried reading the keyboard with assembly but z88dk says it ...Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
...
1 errors occurred during assembly
[/quote]
Is ... define space for the missing variable.
With these changes ...Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…
... of trying to learn Z80 assembly for the ZX Spectrum.
assembly-part-i.html[/url]
Variable not found, 0:1" which ... /> You said you got the "Variable not found" error, so here ...Changing the font in z88dkEither I've got this backwards or the documentation is incorrect... :smile: "[URL="http://www.z88dk.org/wiki/doku.php?id=platform:zx"]The standard Z…
... ? I understand sdcc has inline assembly, so what is exactly missing ... program, ie intermingled with global variable declarations. It's ok to ...
