Included tags: Assembly language ×
Excluded tags: None

6502 assembly coding • Cannot change OSDKADDR value

Defence Force about 2 months ago

I've working on a program which uses assembly language with the OSDK.The program builds fine with SET OSDKADDR=$2000, but I've been running out of memory (I use the area for $6400 - $b3b0 for storing offscreen data) and would like to grab a few more bytes …

TMS7000 development systems

VCFed about 3 months ago

Recently I could borrow documentation on the TMS7000 microprocessors and MCU's and related development systems. I intend to scan most of it, as I so far could not find much on the internet. If someone found anything, I could try to avoid duplicate work. M …

General • TatungEinstein.co.uk

Tatung Forum about 3 months ago

Today, I have had contact from Mario the creator of TatungEinstein.co.ukHere is what he says;"Hi Mike!I'm Mario, the creator of tatungeinstein.co.uk. I haven't been active for a number of years, last update on the site was 2018. I'm gearing up for another …

8-bit acorn software: other • Running binaries on a Communicator

Stardot about 5 months ago

I've been doing some assembly language coding on the Communicator to try to recreate some of the Econet utilities but have hit an issue that has confused me.If I assemble my code and then call it from BASIC, it works. However, when I *SAVE the code, any a …

programming • Incrementing address location?

Stardot about 6 months ago

Hello.I'm new to the forum, and in fact quite new to assembly language. I had a BBC Model B when I was a kid back in 82 and wrote a lot of BASIC programs on it. I have a MiSTer multisystem now that I built a couple of months back and I just very recently …
Image

Help & Support • is it possible to have a scrolling bitmap without affecting the sprites?

Lemon64 about 6 months ago

i have a vice snapshot of the program herehttps://filepaste.eu/ph... file contains an assembly language scrolling routine, so its not as easy to use a d64 to demonstrate this.the sprite gets drawn and then corrupts as the scroller moves and event …
Image

Scene • Reading file disk data into CBM Prg Studio memory using the Kernal

Lemon64 about 7 months ago

Hi everyone,I have been spending a week on this code, been reading some books on the kernal I/O for the Commodore 64, but for some reason, I just can't get a file read into memory. Does anyone know of any resources of how this can be done? Many of the old …
Image

8-bit acorn software: other • ChatGPT client for 8-bit Acorn computers

Stardot about 7 months ago

I got the idea for this client from a message where someone wrote such a client for a Mac Classic, working under Mac OS 7 / 8 / 9. The only thing he uses is a proxy server because these computers do not support HTTPS. speak. Well, I actually have the same …

introduce yourself • Hello one and all..

Stardot about 7 months ago

Thanks for adding me to the forum.I first began using BBC Micro when our school got an early Model B in '82. I spent a fair amount of time learning BASIC and Assembly Language throughout the '80's, and co-authored a less well known text Adventure, publish …

Software • Print text at X,Y in assembly language

Tatung Forum about 7 months ago

Hello allAnyone know how to PRINT text at a specified X,Y location in assembly?I can see built in routines to do graphics and print text at the current cursor position but have not found how to set the cursor position. Thanks!Statistics: Posted by Lardo B …

introduce yourself • Hi from Falkirk, Scotland

Stardot about 8 months ago

Hi all,I've been very happy to purchase a refurbished BBC B from ebay seller "Acorn8Bits" which appear to be an enthusiastic restorer and seller of these machines. Like many of you I suspect, it's real use is a time machine to transform you back to the 80 …
Image

Another PDP-8 emulators and DECMate II/III ROM dumps and tools

Retro Computing Forum about 8 months ago

I found some more PDP-8 emulators. First one running under JAVA. Somehow it didn’t run under my linux (JAVA installed). But the download runs under Windows. Nice GUI almost like the MAC one with all basic devices. And an included terminal. I …

Cosmac Elf 2 wanted

VCFed about 9 months ago

Back in 1977 I built the Cosmac Elf II Computer from kit. I remember I worked all summer and was $10 short at the end of the Summer. My dad gave me the extra $10 and I bought it for $99.99 + shipping and handling. I got it all together and learned assem …
Image

General • Releasing some out of print books on Lulu, will add more and open to requests

Lemon64 about 9 months ago

I've been impressed with the quality, price and speed of Lulu so I started a project to release some hard to find books and some compiled manual tomes.These books cost just the price of printing and I make no money from them and are intended for education …

Beginner's guide

CPCwiki about 10 months ago

Hello, I have a good knowledge of the C programming language. Unfortunately, I don't know assembly language. I want to make a demonstration in C programming language. I have read several documents on this subject . Do you have any recommendations on ho …
Image

new projects in development: games • Polymer Picker v1.10 - assistance required

Stardot about 10 months ago

Hi all,I've been picking about with Polymer Picker these past weeks, mostly to try and remember how all of the code works, and to try and add some new features into the mix.I've therefore attached an alpha of v1.10, which attempts the following:- for spee …
Image

Member Introductions • Hello from London UK!!!

Lemon64 about 11 months ago

Hi,wow, reading the other introductions, I can see I have found my people!My parents bought me a C64 in 1982/3 when i was a teenager. They didn't have much money so I only got a couple of games with the machine.I taught myself BASIC and that was the begin …
Image

General • Hard copy of a SAMS book

Lemon64 about 11 months ago

I am trying to get a physical copy of SAMS, "Commodore 128 Assembly Language Programming" by Mark Andrews. I have a .pdf but I actually perform a little better with an actual book (old school). If you have a copy you're willing to part with please drop …
Image

Scene • how to find floating point number via assembly language?

Lemon64 about 11 months ago

Would anyone have a snippet, or a link that deals pretty much with the question. Nothing that requires pages and pages of reading, and then.. still not answer the question. Lets say how to perform a 10 print str$(an) id like to be able to find the floats …

CP/M 68K assembly language programming on the 68K-MBC

VCFed about 11 months ago

I'm trying to get the demo hello world assembly language program working on the 68K-MBC under CP/M 68K. It assembles and links without any error messages. When I run it there is no output, and no errors, after a second or two I get the CP/M command line pr …

Flashing a particular coordinate like a cursor in lo-res mode

Apple Fritter about 1 year ago

I'm in the middle of working on some personal coding projects in BASIC, and I'm curious as to how one might implement this:I've written a simple drawing program that allows you to move around the screen and draw blocks on the screen in lo-res mode, with a …

PLASMA (Proto Language ASeMbler for All) version 2.0 released

Apple Fritter about 1 year ago

After plugging away at this for over 5 years, there needed to be a push to wrap up the remaining issues and release. What is PLASMA? PLASMA is a medium level programming language targeting the 8-bit 6502, with 16-bit support for the 65802/65816 processor …

Can ChatGPT write Z80 Assembly Language?

Break Into Program about 1 year ago

…