Search found 472 matches

by akuyou
Thu Aug 03, 2023 11:18 pm
Forum: General Z80 Programming
Topic: 2 things.
Replies: 3
Views: 2291

Re: 2 things.

I have no idea what you mean 'do the assembly' in reference to that short byte sequence. I dont think that sequence is code... 00 is a no-op, 90 would be sub b, 99 would be sbc c, and so on. it looks more like bitmap data to me (lots of repetition of the same letters) , but it could be sound, text, ...
by akuyou
Wed Jul 12, 2023 9:47 am
Forum: ZX Spectrum Assembly Programming
Topic: How to make a tile/grid based game?
Replies: 3
Views: 2380

Re: How to make a tile/grid based game?

The "Showtile" routine is in the included asm file "Z:\SrcALL\V1_SimpleTile.asm" If you can't find things in a set of asm files it's worth using the "Find in Files" function of Notepad++ (Most other programmers editors have a similar function). With it you can search al...
by akuyou
Tue Jul 04, 2023 11:45 am
Forum: ZX Spectrum Assembly Programming
Topic: How to make a tile/grid based game?
Replies: 3
Views: 2380

Re: How to make a tile/grid based game?

Checkout Grime Z80.
https://www.chibiakumas.com/z80/grimez80.php

it used a 'tilemap' (bitmap 8x8 graphics), and is the simplest example of such that I have done.
The player could shoot and collide with the background, in a similar way to what you describe.
by akuyou
Mon May 22, 2023 9:28 pm
Forum: Chibi-News!
Topic: Chibiakumas transparency report!!! Future plans!
Replies: 0
Views: 4003

Chibiakumas transparency report!!! Future plans!

Here are my current plans for Chibiakumas over the 2024, This was originally posted to my patreon backers, but I want everyone to understand my long term plans and reasoning. 1.Platforms The focus of my tutorials will be the 6502,68000 and Z80, I don't have any plans for more tutorials for the 6809,...
by akuyou
Fri May 19, 2023 11:50 pm
Forum: ZX Spectrum Assembly Programming
Topic: Spectrum reverse engineering tool
Replies: 1
Views: 1916

Re: Spectrum reverse engineering tool

That looks like a fantastic tool for people looking to understand what's going on in a game, or for debugging their own projects when they aren't doing what was expected! I used the Winape tool to do similar things when I was learning on the CPC, though it's possible that this tool gives even more f...
by akuyou
Sun May 07, 2023 4:12 am
Forum: General Assembly Programming
Topic: Anyone else watching the PowerPC videos?
Replies: 3
Views: 2340

Re: Anyone else watching the PowerPC videos?

Whoops, looks like the link is wrong... Here is the correct one.
https://www.chibialiens.com/powerpc/PPCDevTools.7z

I'll update the site.
by akuyou
Tue Mar 07, 2023 10:40 pm
Forum: ZX Spectrum Assembly Programming
Topic: .
Replies: 5
Views: 1610

Re: What is going on?!

Oh, so you You solved the problem already.
it's a good job I didn't spend any time trying to help you then isn't it!
by akuyou
Tue Mar 07, 2023 3:25 am
Forum: ZX Spectrum Assembly Programming
Topic: .
Replies: 5
Views: 1610

Re: What is going on?!

This could be happening for a few reasons: 1. Your sprite is going offscreen, and corrupting data outside of VRAM (could even be the stack) 2. Your code is leaking something - for example pushing more than it pops, eventually the stack fills over time and the machine crashes 3. There's particular pa...
by akuyou
Mon Feb 06, 2023 8:47 am
Forum: ZX Spectrum Assembly Programming
Topic: Tried getting a graphic to appear on the screen. Nothing appears.
Replies: 3
Views: 1436

Re: Tried getting a graphic to appear on the screen. Nothing appears.

For the record, I re-downloaded my Devtools (2021 ver) and the latest sources, and assembled with the "Vasm ZXS" option You can see the program works correctly as shown in the screenshot. sample.png You will find different assemblers do work differently, even a simple command like "OR...
by akuyou
Fri Feb 03, 2023 4:53 am
Forum: ZX Spectrum Assembly Programming
Topic: Tried getting a graphic to appear on the screen. Nothing appears.
Replies: 3
Views: 1436

Re: Tried getting a graphic to appear on the screen. Nothing appears.

Sorry, but I can personally only help if you assemble with the VASM assembler i use, and build with the scripts I provide.

otherwise, it could be any number of things I do not know about that is causing the problem.

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