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Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
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[CODE]
ZX SPECTRUM MACHINE CODE GAME 30 MINUTE ... CHAPTER 1 - Create a machine code function that returns the score ... a loop to create two vertical stripes of black paper ... down our blindingly fast machine code.
Insert the following ... -
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... remember, x is the vertical coord!
ld a,( ... remember, x is the vertical coord!
ld a ... code.
rst 16
ld a,(plx) ; player vertical ... /> rst 16 ; set vertical position of player.
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Vertical Shoot'em Up's: Humans.Ok. This topic is about those vertical shoot'em up's in which you control a human. Why? Because I say so. It's just a nitpicking categorization. And…
... . This topic is about those vertical shoot'em up's in ... /> [B]The Bounty Hunter[/B] (Code Masters, 1989)
[B]Cow ... -
Vertical Shoot'em Up's: Ground Vehicles.Ok, the topic says it all. We're talking about tanks, jeeps, cars, pogo sticks and futuristic vehicles (as in Marauder). There's no really substanti…
... in the gameplay from the Vertical Shoot'em Up's with ... )
[B]Super Tank[/B] (Code Masters, 1989)
[B]Operation ... Gunship[/B] (Code Masters, 1989) plus helicopter
Vertical (and non-vertical) Shoot'em Up's ... -
Vertical Shoot'em Up's: Spacecrafts.what's missing? for updated lists look [URL="https://sites.google.com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here[/URL]. …
... .com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here ... Software, 1986)
Terra Cognita (Code Masters, 1986)
[B]Light ... -
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 ... /> - Experimental support or Spec256, double-vertical-res
- Emulate built-in ... -
looking for a vertical scrolling routinein basic or like the standard scroll? routine but the other way round with the scroll? removed (this would have to be in code). ive tried a couple of…
... be in code). ive tried a couple of things like Vertical Downward ... -
Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…
... ago I wrote a little scroller that nestles at the top ... 312 bytes long and the scroller has now been updated and ... useful to someone;
[code]
org 0fe94h
[/code] -
why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…
... /> and 15 ; want vertical in range 0 to 15 ... remember, x is the vertical coord!
ld a,( ... remember, x is the vertical coord!
ld a,( ... code.
rst 16
ld a,(plx) ; player vertical ... /> rst 16 ; set vertical position of player.
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this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …
... remember, x is the vertical coord!
ld a ... remember, x is the vertical coord!
ld a ... code.
rst 16
ld a,(plx) ; player vertical ... rst 16 ; set vertical position of player.
... 60,60 ; mushroom.
[/code]
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Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... extern uchar *d_chars(23606);
[/code]
are special variable ... be done to simplify the scroller. The double width text ... byte) run the enclosed code:
[code]
sbuf = buf ... a fat character in each vertical pixel row.
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Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... sure I knocked up some code with this around 1993 but ... a second, and then have vertical or horizontal attribute stripes which ... 8 pixels matching the attribute scroller position to help giving the ... -
ZX Spectrum on SunDown UK meetingHi there. :) Just a short note I put my beeper song made for two synchronized ZX Spectrums (6 channels) "Love Quest" into "Synth Music Compo" of Su…
... start. We also added a vertical scrolly at the end - thanks ... unfinished version of the end scroller and the music was only ... soon and get the end scroller scrolling nicely and add a ... complete. I already have the code to stream the video at ... -
Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
... pause or do a push-scroller). And call [b]USR ... in the bytes of machine code.
Lines 9140 ... /> Happy Scrolling!
[code]
VAT_Scroll
10 ...
40 REM Example of Vertical Attribute Scroll
50 REM ... -
LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…
... to collect these pieces of code somewhere ??
I made ... emulator and to decide which code had to be emulated I ... /> MAIN...LD A,(DE) ; fetch code to be emulated (7)
Decision made from fetch code to start emulating : 36 T ... -
Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …
... me decipher this z80 assembler code?
ORG 60000
code, but I am having trouble ... -
machine code basicsWondered if anyone can help me out. I have been playing round with some disassemblers (Zeus). And Machine code loaders. All I want to do is print my…
... some disassemblers (Zeus). And Machine code loaders.
All I ... -
Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …
... been using Zeus Assembler to code MC programs so far. Nothing ... , is a compiler better to code? If so which is the ... is the best one to code for a beginner? Can I ... -
Machine code loaderI was wondering how people wrote games. On the trail to this knowledge I discovered a machine code loader in basic, and also z80 assemblers. Which i…
... knowledge I discovered a machine code loader in basic, and also ... -
Loading with CODEHi all! I last played speccy games back in '91. that's when it died IMHO. It's good to see people are keeping the dream alive with emulators and util…
... be loaded with :
LOAD "" CODE
where was a number ... -
Saving machine code on EmulatorI have been dabbling with Chapter 26 of Stephen Vicker's "ZX Spectrum Manual". [url="http://www.madhippy.com/8-bit/sinclair/zxspecman/zxmanchap26.htm…
... explains how to input machine code and then finally tells you ... program that then loads the code to run. However, I cannot ... -
Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…
... to do something in machine code. I've seen a lot ... the loaders and seein the code was all blocked out or ... info, especially about the Machine code
Alex -
BASIC code challengeWrite a program in BASIC as short as possible that will continue after KEY-RELEASED. The program must be fully relocatable (so it must be programmed …
Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... dark art of speccy machine code is obscure and mysterious, thats ...How do I enter the code ?OK, I have a problem with Pro Tennis Tour from Ubisoft. The original version of this program has a protection system where the program asks you to na…
... ENTER to skip the current code until the game asks you ...Z80 Machine CodeHello again chaps, Hope I'm in the right category for this question - I suppose it could be under 'Game Creation / Programming'. hehe Ive got far t…
... childhood ambition, and learn machine code.
I got familiar ...Frog Hopper/Code Name Mat Dixon's Pack ??I have found this tape in my collection that I can't find a reference to anywhere. It's a compilation of Frog Hopper and Code Name Mat (one game on e…
... compilation of Frog Hopper and Code Name Mat (one game on ...code cards etcJust been looking at the code cards etc for jetset willy and the like and i had a thought :o Back in the speccy days when they released games with s…
Just been looking at the code cards etc for jetset willy ... carefully hand copying a coloured code card for a game we ... easy downloading of games and code cards lol, scan a card ... to view while entering the code, or printed off in colour ...Calling Inform Z-code users...This is just a wild swing really. I've been using Inform 6 to try and develop an adventure game. Inform, if u didn't know, is a programming languag…
... adventure games in the Z-code format (the format that Infocom ...Vertical ScrollersI like finding classic Speccy games which i've never really heard of or played before. I like vertical scrollers, any gems i might have missed from …
... or played before. I like vertical scrollers, any gems i might ... Cresta
Any classic vertical shoot em ups please post ...
