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MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... handle that function in machine code, so the BASIC programmer ... to the MOVE_M code.
[code]
10 ... /> 9999 RETURN
[/code]
[code]
; MOVE_M moving ... ; CHR$ = graphic's character code
; 0:1 = direction ... -
Assembly - Loops bigger than 255Hi, It looks like it's a bit difficult to make loops with more than 255 cycles on Z80 machine code, since the 16-bit decrements (DEC) do not alter a…
... than 255 cycles on Z80 machine code, since the 16-bit decrements ... the high byte:
[CODE]; A simple program to fill ... P,loop
RET
[/CODE]
Maybe this is ... -
Reading from a Write FileI have been speaking with a customer who uses a small bit of machine code to do a screen dump. The machine code is 650 bytes long. The machine code…
... of machine code to do a screen dump. The machine code ... is 650 bytes long.
The machine code ... loads from cassette with the command
LOAD "printcode" CODE ... SAVE * "m";1;"printcode" CODE 64736,650
... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... it a try as Z80 machine code implementation, to see if it ... ]
The listing:
[code] org 40000
Principal ... />
end Principal
[/code] -
Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…
... remembered my Speccy, and how machine code had always beaten me. Now ... -
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
...To machine code, or assembler language...whatever the ... -
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... to start learning programming in machine code.
Please does anyone ... -
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... an animated attribute reveal in machine code by having my 768 byte ... now ready to add the code to reveal the attributes in ... />
Are there any such code examples around? -
Galakzions (Mikro-gen)I've just been having a look at this game. It has a basic loader, then loads a machine code block, and then it's loaded, but there is more data on t…
... basic loader, then loads a machine code block, and then it's ... -
New Game: YAHTZXHi all, Well, it?s taken me more than 3 years, but I think I?ve finally got there. Here is YAHTZX, a 100% assembler version of Yahtzee (? Milton Bra…
... need help with my (spaghetti) code!
Finally, ... form or another) various code samples from around the ... B]
40 Best Machine Code Routines for the ZX Spectrum ... Hewson Consultants)
Advanced Spectrum Machine Language (Melbourne House)
... -
Loading data from 128 memoryAfter all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory. How do I go about implementing this in…
After all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory.
How do I go about implementing this in machine code?
Thanks in advance... -
misunderstanding screen addressingHi I am just reading mastering machine code Toni Baker: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/books/MasteringMachineCodeOnYourZXSpectrum…
... /> I am just reading mastering machine code Toni Baker:
[url]ftp ... 40A4.
Try running this machine code program:
21A440 LD HL ... -
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... which plays beeps using a machine code routine which steps through $4000 ... EXROM chip in the standard machine is only 8K long and ... -
Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…
... time my knowledge of Spectrum machine code was too scarce to ... Horace.[/url]
[CODE]
; Biturbo 1 loading ... SCF
RET
[/CODE]
[CODE]
; Biturbo 2 loading ... /> SCF
RET
[/CODE]
[b][url ... -
New Game: Ninjajar!Yes, it's here! We had some late hour problems with +2A models and had to switch to a machine code loader (as the game takes up the whole 128K, even …
... had to switch to a machine code loader (as the game takes ... game and/or the source code from the bottom of the ... -
Sultan's Maze - Potential remake of CPC game?One of the games I liked on the CPC was Sultan's Maze.. In it, you have to go through Hampton Court Palace's maze and get six jewels, get back, avoi…
... written in BASIC with possible machine code and featured randomised mazes, an ... -
Top Telly Tip... Halt and Catch FireThe series is set in the early 1980s and depicts a fictionalized insider's view of the personal computer revolution. The show's title refers to the f…
... title refers to the fictitious machine code instruction Halt and Catch Fire ... -
ZX81 Programming...Hi all I've just bought this... [IMG]http://i.ebayimg.com/00/s/NDY2WDU0Ng==/z/iKIAAOSwbqpT4jI-/$_57.JPG[/IMG] and this: [IMG]http://s22.postimg.o…
... curious about how exactly you code on the ZX81 I'm ... work with web design/PHP code so i have some understanding ... for actual programming such a machine code or BASIC.
Can ... ZX81, how to send the code over to the 48k to ... -
Great to be back....and with fun to comeHi all, 1982: I bought a new 16k issue 2 in 1982, eventually got microdrives and a dktronics keyboard (version 1). Built a home made eprom programme…
... cool.
I played with machine code using CHAMP but all too ... -
40 Best Machine Code Routines for the ZX Spectrum - ?5 delivered (UK)[img]https://dl.dropboxusercontent.com/u/15218813/40BMCR-1.jpg[/img] [img]https://dl.dropboxusercontent.com/u/15218813/40BMCR-2.jpg[/img] [img]https:…
[img]https://dl.dropboxusercontent.com/u/15218813/40BMCR-1.jpg[/img]
[img]https://dl.dropboxusercontent.com/u/15218813/40BMCR-2.jpg[/img]
[img]https://dl.dropboxusercontent.com/u/15218813/40BMCR-3.jpg[/img]
Cover has some wear, and ... -
One Less MIA - Mathematics (1985) Charles Letts & CoJust received this today and both tapes appear to be in perfect working order. I know this isn't exactly the most exciting find of all time but it's …
... David Hopkins BSc(Hons)
Machine code routines courtesy of CP Software ... -
Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…
... from the AY chip in machine code?
I'm wanting ... -
RetroMania BASIC programming contestTo celebrate 50 years of the BASIC programming language, at this year's RetroMania we're running a BASIC game programming contest. There will be cash…
... , not sneakily shelling out to machine code routines :-) If it's written ... -
assembler for PcHi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use…
Hi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use Zeus in emulation? -
Website ideaHi, In an effort to expand my PHP & MySQL skills with a real world project, and solve an issue I have with always struggling to find articles in my …
... articles in ZX Computing about Machine Code you could search and find ... -
10 line contest (until April 8)The ABBUC people in Germany are hosting the fourth BASIC 10 liners contest this spring. No machine code including calling ROM routines directly, cert…
... liners contest this spring. No machine code including calling ROM routines directly ... -
Seeking April fool article: turn 48k into 128kHi everyone! When I was about 11 years old (I think ?) an article appeared in a Spectrum related magazine. It turned out to be an April fool's joke,…
... in a BASIC program (with machine code poked into mem and executed ... a year to dissasemble the code, figure out how to change ... asolute addresses and get the code to run in a lower ... -
Confused about DOS SET MESSAGEI'm confused about this function and the ALERT routine. I was rewriting a machine code +3DOS loader and I was trying to use this routines to collect …
... routine. I was rewriting a machine code +3DOS loader and I was ... 'm calling +3DOS from my code (DOS OPEN, DOS READ), +3DOS ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... ASM text base. Means that code, that
has been ... SNA file containing your own code!
* Edit ... editing data
blocks containing machine code.
* Error log ... yet working:
* code parts and pages need to ... -
Oh MummyA game many CPC owners are familiar with as it came free with the £100 software pack withe CPC 464. A fun if limited little game. So when Amstrad …
... />
The CPC version is machine code and is reasonable quality for ... had a look at the code? Is it indeed BASIC? Is ... CPC. Indeed porting the Z80 code should have been trivial.
