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Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…
... want something like:
* Machine code
* Works from any memory ... so I can load it in to memory where I want ... -
Can anyone show a slight diagram of how pokes work in a jet set willy game for example?I know its kind of something to do with machine code and Memory addresses etc but would be nice to see a youtube video or some drawings etc ? .Many t…
I know its kind of something to do with machine code and Memory addresses etc but would be nice to see a youtube video or some drawings etc ? .Many thanks,John -
Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…
... why the following piece of code wont display a little smiley ... face
[code]ld hl,udg
ld ... ,126,126,66,60,24[/code]
I'm using ... -
TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…
... tools I use on each machine and the project just states ... /> * Core
o Changed the Machine name to show the project ... a dedicated AGD editor in development
* Code Editor
o ... project when files were opened in the code editor
o ... -
PROSM Tapes - Short programs embedded in Instagram videosThis is a project of mine which involves embedding short arcade games into the audio of Instagram videos. It was originally meant to be Vine videos, …
... entry, British Telecom Switchboards. Full machine code programs can be embedded and ... -
140 characters Basic game contestHey there, I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak …
... micro contest on my blog (in Czech language only). However, it ... making a short game program in the standard 48K Sinclair BASIC ... example:
[code]1 PRINT "Hello world"[/code]
- are 21 ... 48K Sinclair BASIC syntax
[code]1 FOR f=10 TO ... -
Add with Carry ExampleHi, I have been really struggling to understand this simple example from Mastering Machine Code and I wonder if anyone can help? I have include…
... this simple example from Mastering Machine Code and I wonder if ... is happening:
[code]LD DE,3385
LD ... ,L ;C = AE
RET[/code]
Therefore BC = ... not being set in the wrong place in my calculations, and ... -
DivMMC and +3 BASIC questionHi everyone, sorry if I'm about to tread a well-worn path here but I looked and looked, and I found something in the DivMMC manual but I'm not sure i…
... looked, and I found something in the DivMMC manual but I ... wrote back in the late 80s, some BASIC, some machine code, and I ... I can play with them in an emulator and maybe ... that imply it ends up in 48K mode after it' ... yet but would order one in a heartbeat if I ... -
So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
wrap the machine code calls inside a 'RST ... 28 ; call a routine in the 48-BASIC environment
in a moment
LD ... in Line 1, but it can go anywhere you like)
[code ... #28 to call routines in the 48-BASIC ROM, ... -
Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …
... look suspiciously like the shields in Skool Daze!)
Weapons - ... . something circular with a dot in the middle?
Scanner - ... fans have any suggestions? Thanks in advance.
Another ... I'm no good at machine code but getting better at Boriel ... -
Best place to start learning assembly on WOS ?So I'm pretty new at this forum but not the Speccy so my BASIC is pretty good. I can see lots of resources on WOS for doing machine code/assembly but…
So I'm pretty new at this forum but not the Speccy so my BASIC is pretty good. I can see lots of resources on WOS for doing machine code/assembly but where do you guys think I should start ? I'm interested in making games and demos mainly -
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…
... 't they explain it better in school?
Same ... was a shop teacher (CDT in England) - figured out how ... in the little windows.
Actually a lot of the machine code ... operations causing transistor switching resulting in output to screen only ... -
New Preview Demo - Vegadvent Adventure Maker for the ZX VegaHello, I'd like to share with you my latest title. It's an adventure maker for the original 2015 model Vega and a work in progress. The idea was t…
... model Vega and a work in progress.
The idea ... and if necessary with 'proper' machine code as time goes on (e ... -
Sound adviceHappy New Year everyone! I want to write some more Spectrum games this year and I want to improve the sounds in my games. Can anyone recommend a "qui…
... want to improve the sounds in my games. Can anyone recommend ... the machine code to a little binary file) I'm interested in 48K ... know a little bit about machine code (I'm not great at ... -
Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... 82 seconds.
[code]
Count Sum Deviation ... 30227971 -140
[/code]
"This is the ... Baker in part 4 of the "Machine Code Calculator" series in ... 3276 31940950 0
[/code]
http://www ... -
How difficult to do a Harry Price?how difficult do you think it was to do a Harry Price and do a total Mod of a magic knight game? He must have owned a multiface thingy to look at …
... thingy to look at the machine code right?
Then he must ... door effect in the beginning so did he at least code that? -
The Complete Machine Code Tutor - bug?Dear all, I'm having a fiddle with The Complete Machine Tutor and have come to the bit where they're adding registers together. The image on the l…
... a fiddle with The Complete Machine Tutor and have come to ... -
"ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... br />
- Loaded in the ZX80 character set (which ... the keypress with LET i=CODE INKEY$, then z(i ... about machine code, and I'm never going to be in ... there's no exponential key (in this version) but it checks ... package contains the program in tape, +3 disc ... -
Fun little program but why do I get Out of Memory ?This is very simple BASIC/machine code program. You can rotate the scene with "b" and "m" but I seem to get an error going in one direction and not …
This is very simple BASIC/machine code program. You can rotate the scene with "b" and "m" but I seem to get an error going in one direction and not the other.
https://www.dropbox.com/s/vw0ilfdosnnod35/Frames4.z80?raw=1 -
Screenshots from my old BASIC gamesI have written several dozens of games in 90's. They haven't remained, so I show only screenshots 'for history'. Some screenshots are real, but all…
... written several dozens of games in 90's.
They ... TR-DOS disk (same as in following AGGRESSOR).
[img]http ... Full Throttle by LucasArts, but in more realistic setting.
Then I have learned a machine code. Aladdin, The Dark, Metal Man ... -
Less MIA - Peker AssemblerMIA and also missing from the database! [img]http://oi66.tinypic.com/16hw67a.jpg[/img] Peker Assembler TZX https://app.box.com/s/vdniq5c6r30…
... came with the Peker Machine Code Course, which unfortunately went ... that compiles Z80 mnemonics in REM statements into assembler. ... RANDOMIZE USR 59000 - compiles the code
RANDOMIZE USR 40000 - ... runs the compiled code
REM begin ... -
Basic versions of popular Spectrum games?A couple years ago I saw a game in Basic which was part of a Spanish competition, and it looked amazing. I forgot most details, but remember it resem…
... ago I saw a game in Basic which was part of ... Set Silly clone completely written in Basic. Is there a list ... advantages of machine code. But when I see something written in Basic, but ... -
PLAYing with MIDIInspired by watching The Floppotron buzz and click strange renditions of Sandstorm and the theme tunes from The Legend Of Zelda and Game Of Thrones v…
... the Y and Z switches in the string? It's the ... device would do so with machine code.
And for anyone ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... . With this in mind I've located my in-game code from address ... RAMTOP to $5999 and load in a code block $6000-$FFFF. Then ... want to load in a further 16K block of code, which page ... need to check if the machine is 128K/+2 and if ... -
Where's my green square? Basic & m/c question.I'm going mad here - can anyone tell me why my little basic program isn't displaying a green square at the top of the screen? I've checked the num…
... 22543 it appears ...just not in this program. I've repositioned ... it in memory without change so I ... also gone through the code in New Generation's Machine Code Tutor byte by ... -
Top Five Spectrum Reads for HolidayHello all, I was wondering what your top five Spectrum books would be for holiday. I thinking preferably of books from the 1980s but you can pick…
... .
Mine would be (In no specific order):
Spectrum Machine Code By Ian Stewart & Robin ... looked at many of the Machine Code books of the time, but ... by most of the reviews in Your Sinclair) -
URGENT / IMPORTANT: BANDERSNATCH (QL MIA)This is the BEST dump I can do on 5 different Bandersnatch MD's I found until then: https://www.dropbox.com/s/t9fws8qlmek2ng4/bsnatch_bk?dl=0 Z…
... /> Zipped with a PC, dumped in Q-emuLator MDV mdump2 standard ... BAD on the 2 principal machine code parts.
This Bandersnatch ... -
Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... John Metcalf:
[code]; scanline fill by John Metcalf ... br /> jp (hl) 60102 E9[/code]
Thought I ... program:
[code]100 CLEAR 60000
110 ... H$;" ";
170 LET H= CODE H$(1)
180 LET ... -
Custom Menus on the ZX Spectrum +3Today, my Friends, i have the pleasure of presenting a program i have written which gives a set of custom menus on the +3. The main features of my p…
... permitting the use of a Machine Code Monitor (MONP3 from the ... image and mounted it in an emulator, you will ... lower screen. Its companion in the Lower Screen switches ... the [b]Print[/b] in the standard menu. *
in this way i became ...
