-
Mastering Machine Code Toni BakerHi, I'm reading Mastering Machine Code by Toni Baker from the archive. On page 28 it mentions two programs to show the difference between ADD A,B …
... /> I'm reading Mastering Machine Code by Toni Baker from the ... -
Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…
... I have posted the source code for the disassembler from Chapter ... 17 of Mastering Machine Code on your ZX Spectrum by ... /2016/03/23/mastering-machine-code-on-your-zx-spectrum-by ... version and debugging the source code.
There is currently ... -
Ultimate games with short machine code files loaded lastThis is a bit geeky, you've been warned! I remember early Ultimate games loaded from tape had the ascending beeping noise, a "Please wait" message, …
... know that), a large machine code file and then....
2 ... or 3 short machine code files. I always wondered why ... -
Text (ASCII) to ""CODE filesHello everyone! I've used BAS2TAP before to convert text into loadable BASIC programs. I want to do something similar but produce CODE files consist…
... do something similar but produce CODE files consisting of text. Is ... the input text as a "" CODE file (inside a TAP/TZX ... -
Apollo 11 source code releasedhttps://github.com/chrislgarry/Apollo-11 Now you can download the source code for the command and lunar modules on-board computers.
https://github.com/chrislgarry/Apollo-11
Now you can download the source code for the command and lunar modules on-board computers. -
Source codeHi all, I am starting zxsauce.com in a few weeks and am gladly accepting source code for inclusion to share for posterity. This will be a source c…
... and am gladly accepting source code for inclusion to share for ... . This will be a source code only repository. Thanks and best ... -
Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... my hand at machine code again but falling at ... address 62000 and the code is supposed to fill ... 255.
[code]
LD A, &FF ... Loop1
RET
[/code]
I have ... checked the code in RAM and it is ... -
Usefullness of program listings in magazinesEarly computing magazines had printouts of program listings. I always felt this was a nice thing in that you might read the code and learn something,…
... that you might read the code and learn something, even when ... were less about learning about code and more about being a ... course it's hard to draw a line between the two ... -
Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…
... .xxx....
........
[/code]
When printing, ... glyph there.
[code]
........ ........
. ... xx......
........ ........
[/code]
Rinse and repeat ... I could just draw black-on-black ... -
how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... but can't enter the code! Here's an example:_ ... -
THE LIGHTBULB EFFECT You know what that is? Like how cartoonists depict a bright idea by drawing a lightbulb over the head? When I was trying to work out the lengt…
... ! Wait a minute, supposing I draw a circle and then fit ... a lot of the machine code stuff makes no sense at ... -
how to load machine codeFollowing the links given in various replies to my last discussion resulted in my downloading Mastering machine code on your zxspectrum and typing in…
... in my downloading Mastering machine code on your zxspectrum and typing ... -
Every Adult Can CodeI would like to request for a new section in the Every Adult can code category for C/C++. This is aimed for the users of the Z88DK. Thanks Andy …
I would like to request for a new section in the Every Adult can code category for C/C++. This is aimed for the users of the Z88DK.
Thanks
Andy Dansby -
Code optimisation! 16bit number to 5 digit stringJust for interest this one, any thoughts on how to make this as fast as possible? Little optimisations to this routine or a complete reimagining? …
... complete reimagining?
[code]number2string: ;arrive DE number, HL ... ' ;16 bit string number
;[/code] -
How to draw a picture on ZX Spectrum Basic?How can i draw a picture on ZX Spectrum like this?? http://www.worldofspectrum.org/infoseekid.cgi?id=0026662
How can i draw a picture on ZX Spectrum like this?? http://www.worldofspectrum.org/infoseekid.cgi?id=0026662 -
Zeus Assembler Object Code LengthHi, I'm starting out assembler programming with Zeus Assembler. I've followed the tutorial in the manual and it seems quite nice to use. The on…
... know how long the object code is so you can save ... and length of your object code?
Anyone know how ... -
A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... something like
[code] align hi($)==hi($+8) ? 1 ... : 256[/code]
so that ... [/b]) instruction.)
[code]
ex af,af' ;store ... ;eight lines of pixels to draw
msl_draw_loop
... -
Few loading screens to improveThere are many talented gfx artists here creating new versions of existing loading screens. I've found few screens that don't look good and IMHO need…
... , it looks like created with PLOT and DRAW commands.
[img]http ... -
Debugging on ZEsarUX by reading the source codeHI New feature for ZEsarUX: https://youtu.be/z-TipWv0n9g With that you can associate an assembler source code to a program in memory so it w…
... can associate an assembler source code to a program in memory ... debug it showing the source code. The trick works by finding ... labels on the source code with format LXXXX where XXXX ... QL rom because the source code has labels in this format ... -
BB Code in posts - How do I change the font size and color?Below the text input field it says you can use BB code in your post. [style size="15px"]You can't [/style] [style color=#FF0000]No really, you ca…
... says you can use BB code in your post.
[code]10 PRINT "BB Code Partial Implementation"[/code]
[b ... .wikipedia.org/wiki/BBCode]BB code[/url] in your post[/quote ... -
How to separate a character from a number in a string?Hi I've been writing a kind of logo type program in BASIC that takes a string a$ from INPUT and then draws according to what you give it. Say you w…
... "
It will draw from the current PLOT position a line up ... -
The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…
... to learn hex and machine code until I have a thorough ... -
Less MIA - Peker Machine Code CoursePlease find for your pleasure, the [b]Peker Machine Code Course[/b]. [url="https://mega.nz/#!kosm0C4C!V4HfBXStXqR5WucYkfEere-13RpK52qyjWELhbjjpuo"…
... pleasure, the [b]Peker Machine Code Course[/b].
[url ... /infoseek.cgi?regexp=%5EPeker+Machine+Code+Course
Also, check ... -
Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... .
The double buffering code is simply an IM2 interrupt ... checks to see whether the draw frame has finished (from a ... -
Magnetic Scrolls games' source code has been recovered.Any fans of the Magnetic Scroll games from the late 1980s/early 90s might be interested to learn that the source code of all of the games has been fo…
... to learn that the source code of all of the ... blog/magnetic-scrolls-games-source-code-recovered"]https://strandgames.com/blog ... /magnetic-scrolls-games-source-code-recovered[/url]
... And the source code is being used to release ... -
Speeding up PRINT code in ROMHi Folks, I seem to recall that someone stated the PRINT command is rather slow because it has to handle screen and printer printing - is this cor…
... to effectively disable this dual code so that it only prints ... -
Calculating coordinates for a curveI need to write some code that will calculate the arc of a curve so that I can draw a sprite at each location to simulate a ball being thrown. The an…
I need to write some code that will calculate the arc ... curve so that I can draw a sprite at each location ... if anyone has some z80 code that does something similar. -
GZX emulator source code publishedHi, GZX is the name of my own personal ZX Spectrum emulator that I wrote and have been using for my needs. I just wanted to let you know that I publ…
... that I published the source code under a BSD-style (i ... enabled by editing the source code. Consider this a very early ... -
Need help with keyboard scanning ?After getting frustrated with learning ASM for a while I'm back into it. The little listing below is using the ROM's PRINT AT routine to draw me a sp…
... 's PRINT AT routine to draw me a sprite to the ... 'm not seeing it.
[code]
LD HL, UDG
MAIN:
CALL DRAW
LD A,(INKEY)
RET
[/code]
Why I'm assuming ...
