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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…
... /> What are you programming this in?.. BASIC, assembler, C, forth, ... to your question will depend in part on how your ... hand side of the character)(In machine code, something like this method ... draw it, particularly if coding in machine code (Its easier to draw ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... a tape saving/loading routine, in Machine Code obviously. The second requirement is ... be fit within 500 bytes, in contended memory, as I used ... :-P:-P
(In the meantime I'm just ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... a tape saving/loading routine, in Machine Code obviously. The second requirement is ... be fit within 500 bytes, in contended memory, as I used ... :-P:-P
(In the meantime I'm just ... -
Recommend me an easy to use assembler![deleted]
... makes sense to be coding in that fashion because you ... able to instantly see your code working or not working ... re more comfortable with programming in machine code and your projects inevitably ... spiral in size and complexity using ... -
List of existing games that needs a port to zx spectrumPlease post here the games that exist in other platform(s) but does not exist in speccy. Please keep in mind this is not a to-do list, so don't hesti…
... it replaced the old Atari code for font handling/scrolling/scaling ... Much of the original code was written in C and compiled, as ... ) with bespoke code written from the ground up in machine code, and made ... a result of the improved code, much quicker, smoother and ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... main loop
}
[/CODE]
Now the important ... for interrupt handling routine in this code? After all, the ... know where it belongs in my code. And what do those ... understand monitor program written in machine code or even in Z80 assembly. -
Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.
... as I can see, is in 48k...
Here is ... failure to do anything good in machine code would suggest that I'm ... -
Sinclair Programs uploaded.I've just uploaded a ZIP containing all the 'Sinclair Programs' programs and the instructions for each one. (Well all the ones from 'The Type Fantast…
... Programs' there were not typed in yet (according to 'The ... Page - May'85
Morse Code - Peter Ford - Apr'84
In Machine Code) - Tony Rickwood - Mar'85< ... Harris - May'84
Tootles In The Pit - John Lonsdale - Jan ... -
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
how would i go about loading the block from off the disk in machine code?
it was so much easier to get dizzy 2 and 3 running off disk lol -
Souping up my Spectrum+ 128k ToastrackI wrote a small piece on the various things I've been doing to my ZX Spectrum+ 128k toastrack, primarily getting it working with the bright output an…
... (mostly capacitance) it's in makes the output anything but ... vertical scale. Notice the decrease in signal magnitude, it's quite ... making shorter and longer pulses in your PWM pulse train, ... (which with a program written in machine code, you can).
... -
Address of monitor to load emulator files into real SpeccyI have a monitor/debugger that can load data over serial port really fast. Now I would like to extend it to load standard emulator files over the ser…
... bytes, which will just result in a small amount of screen ... program? Majority of games are in machine code and loaded after BASIC part ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... game Football Manager written entirely in BASIC. This game was number ... one in the software charts for a ... other games were entirely written in machine code if I recall correctly. It ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
It's worth comparing Football Manager 1&2 as the first one's written in Basic and the 2nd in machine code. -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... all for the Z80 processor in the Speccy. Technically speaking, ... someone says they're programming in 'Machine Code', they're probably not; ... all the instructions, in alphabetical order, their size in bytes, the ... A,5" then the code is 3E 05 (in hex, 3E for ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... someone says they're programming in 'Machine Code', they're probably not; ... all the instructions, in alphabetical order, their size in bytes, the ... my own comments/thoughts/discoveries in the margins of physical ... A,5" then the code is 3E 05 (in hex, 3E for ... -
Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... [COLOR=blue]assembled program[/COLOR] in machine code.
Some cross ... Amstrad computer mixing your code with computer ROM and ... development tools for each machine to work further on ... slight modifications to run your code on different platforms. Each ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... POKEing the ascii code for the letter 'A' in the right ... />
[code]
sprite data as stored in memory
(shift ... 4 pixels.
In machine code you can take your x ... Turkwel's example.
[code]
draw_sprite:
; ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... !
Does anyone have "Machine code sprites and graphics, for the ... , minutes after Mikrogen expressed interest in the game I was writing ... out how to do sprites in machine code!"
Edit: A library ... -
Mazes and Tremaux's AlgorithmI've done a version of Tremaux's maze solving algorithm which solves my current test maze with 400 junctions and 715 connections in a reasonably quic…
... in the end because, although it's simple (see second code ... I rewrote lines 1216-1224 in machine code. It searches back from ... processing loop of each phase in machine code.
Although ... up earlier.
[code]
REM Search backwards from ... -
Dig dug/Mr Do type gameA few years back my cousin had a battered old tape with a Dig Dug/Mr Do type game on it. It had apples you could push/drop and a snake that chased …
... from.
It was in machine code and quite addictive! -
BezerkI don't think that Bezerk was ever converted to the Speccy and I've always found it a playable little arcade shooter... And Android One doesnt count!…
... arcade version and written in machine code. I think I played ... 'm certain it was written in BASIC!
... 16,660 on Berzerk. In October of the following ... top-ten list twice in fifteen minutes, just a ... game enemy in history to kill players in real-life" ... -
RND CommandsExactly how random are they? Reason I ask is I'm using 4 of them to generate a random number, the value of which then assigns movement commands to f…
... /logic of doing things in BASIC will help me ... and shoehorn more powerful code into those structures (does ... a routine to work in machine code then I'll write ... trace errors and debug code in BASIC, then do an ... BASIC lines as comments in the assembler listing so ... -
Best mag to learn programming Machine CodeDear all, Back in the day, I was a Crash reader; I loved it. However, not having the money to buy the other big two mags on offer in the UK, I was n…
... best for picking up machine code, primarily because of ... d particularly recommend the Machine Code Calculator series, which ... Computing)
"First Steps in Machine Code" (David Nowotnik, ZX Computing ... )
"Mind over Machine" (Marcus Jeffery, Sinclair User ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... this would happen...
[CODE] DI
LD (exit)+1 ... ,0
EI
RET[/CODE]
$0707 is the ... attribute to use, twice, in hex. So that's white ... a trade-off against speed in machine code. And it's rarely a ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... a trade-off against speed in machine code. And it's rarely a ... version, and a lot faster:[code] di
ld (sp_save+1 ... hl,&7878 ; attr byte in high+low
ld bc ... ,0
ei
ret[/code] -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... could write a machine code routine that prints the screen in the set ... the whole thing in machine code (well if I knew Z80 machine code! :-)). Most of ... printing all those characters in the routine itself. In most instances this ... -
raspberry pion the bbc news at the moment..
... />
you can do stuff in c64 basic, just it's ... basic that was with the machine... wonder if things would have ... different if the machine shipped with a built in machine code monitor for a ... -
Music cassettesWas there ever a utility on the Spectrum which when you to play an audio cassette in the player enabled the loading border stripes 'move to the music…
... ago I made a program in basic that received audio signals ... via Out (or was it In) and on screen was a ... high.
If done in machine code, I guess I could have ... -
Games written in BASICHi all, I've been racking my brain trying to think of a game which was definitely written in BASIC (ie not in assembler). The only thing that I can …
... , the important bits are all in machine code. -
Games written in BASICHi all, I've been racking my brain trying to think of a game which was definitely written in BASIC (ie not in assembler). The only thing that I can …
... , the important bits are all in machine code.[/QUOTE]
It ...
