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Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... bug exists on the above assembly. From BASIC it is being ... -
Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI):
[code]searchmem
xor a ; a = 0
ld bc, 0ffffh ; search the entire memory
ld hl, 0 ... -
Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... a few simple routines in Assembly. My current study aids are ... -
First attempt at coding a game in assemblyRight.... I've knocked up something with basic graphics using TommyGun/Spin and Pasmo... It's not strictly a game, mainly cos I don't have any baddi…
Right.... I've knocked up something with basic graphics using TommyGun/Spin and Pasmo...
It's not strictly a game, mainly cos I don't have any baddies in it yet... :)
But, any comments on it would be welcome.
Here is the file ... -
Assembly Using a Windows PC Development BlogI am going to try and document my progress in developing a new game for the Spectrum by means of a blog. [URL]http://zxspectrumdev.blogspot.com/[/U…
I am going to try and document my progress in developing a new game for the Spectrum by means of a blog.
[URL]http://zxspectrumdev.blogspot.com/[/URL]
Cheers -
How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …
... explain to me the basic Assembly method of how the Speccy ... -
FUSE fails to save "Bytes:" files that can be converted to .tapI have been running FUSE with the OCP Assembler loaded. When I save the Assembly listing from OCP, I see border colour and noise of a proper save. So…
... loaded. When I save the Assembly listing from OCP, I see ... listasm_ocp (on Linux) to extract Assembly Listings out of OCP saved ... -
New game coming soon: Skyscraper of DoomI finally did it... Back in 2005 when my interest in Spectrum returned, I started writing an adventure game for Zx Spectrum. I had a very faint idea…
... covers only 50% of the plot I wanted to tell, so ... -
Dynamite Dan/Rod BowkettI'm surprised no-one's mentioned this before, but in this month's Retro Gamer, there is the interview with Rod Bowkett. I was looking forward to this…
... Spectrum, and beginning to learn assembly, to him finishing Dynamite Dan ... , as well as teaching himself assembly from scratch, in just six ... -
Problem Wrapping SpritesHi, I am having an issue wrapping my sprites around the screen, Basically, I have a back buffer which is 24 chars (192 Pixels) by 28 chars (224 P…
... ".
Basically I want assembly code to do the following ... -
INPUT magazineDid anyone else have this magazine back in day, I did. Spent hours typing in the examples and it did helped me develop me a few techniques in basic a…
... few techniques in basic and assembly. Did anyone else find it ... -
Which tools did developers use to create classic Spectrum games?Does anybody know which tools developers used in classic Spectrum game development? I tried to search web, but unfortunately didn't find anything hel…
... have years of experience in assembly language).
Please share ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... week that is in [B]assembly language[/B]
and ... -
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... ] would be the coordinates for PLOT, and [I]a[/I] and ... the parameters for DRAW. Since PLOT is only necessary if the ... , 256, the routine would skip PLOT, DRAW a,b and jump ... -
DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
... ZX Spec program that the plot/draw command eats too much ... -
Draw (x1,y1) to (x2, y2)?I was never very good at math. :( Given the above variables, what should I do to draw a line between the two pixels? How do I calculate the values fo…
DeuterosThis would be a great game to convert to the Speccy. Not demanding graphically or sound wise, great plot...would be a corker for the speccy if possi…
This would be a great game to convert to the Speccy.
Not demanding graphically or sound wise, great plot...would be a corker for the speccy if possible.
Did anyone else have this one on ST or Amiga?JUNGLE TROUBLE - Stuck on first screen Please Help!!I Can't even get past the crocodile on the first screen! :o I'm obviously missing something. There doesn't appear to be a jump key. I use 5=Left 8=R…
... />
I'm an experienced Assembly Language hacker, I managed to ...Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…
... when it comes to Z80 assembly (not to mention a stinkin ... methods for parsing and decoding assembly opcodes. Note that I'm ... interested in optimizing the assembly routine for size and the ... in practice, especially for the assembly side of things.
The skiving off topicI'm trying to juggle several (work related) problems here, but I've been at it for so long now that I'm getting distracted, so I'm skiving off for a …
... effects (plus lots of extra plot stuff that made no sense ...Hi to all and people search....Hi All! My name is Mark Wooldridge, I used to work for LMT Computers Ltd in Bishops Stortford and Sawbridgeworth. I started by assembling keyboards…
... /> Did a bit of board assembly and circuit design then onto ...The Martian ChroniclesWho likes this? I remember watching it as a child about 1981 ish and it had an impact on me. Rewatching the series on youtube, there are various …
... I fully remember, due to plot ideas that were pretty cool ...does anyone remember the game?Im trying to remember a game, it had a kinda basic '3rd' person view and you had to walk around asking people questions, i think. i think the plot in…
... , i think. i think the plot involved you trying to get ...Some DVD and film questions1. You know how some DVDs are region free (either because they are released that way, or because they are copies of region protected DVDs that have h…
... likely to be weak on plot, and maybe strong only on ...Hidden routine in loading screenAs discussed in another thread, the loading screen for [B]Back To Skool[/B] seems to have a hidden routine (in blue INK and PAPER). It would be inter…
... if someone skilled in Z80 assembly could take a look at ...128K Music & FX Advice PleaseHi All, Now BIPBOI is being tape duplicated by Cronosoft as we speak, my next game will be for the 128K Spectrum. Please can anyone advise me: …
... compose 128k Music
2. Assembly Source to play the composed ... best FX Generator
4. Assembly Source to play the FX ...A typical sprite listing to analyse, please?Hi all, Would anyone be interested in helping out with my ongoing Assembly studies by posting up, posting a link to or mailing me a typical sprite l…
... helping out with my ongoing Assembly studies by posting up, posting ...PitPatI am coding the digital version of PIT-PAT [IMG]http://www.berg-en-dal.be/images/thumb/pitpat_spelen_2_kleur.jpg[/IMG] In fact it is golf on a tabl…
... must be sent in as PLOT and DRAW commands and a ...How do the swingy ropes in Jet Set Willy work?Not sure if this should go in the programming forum but here goes. I remember back in '84 being totally blown away by the realistically swinging rope…
... but to be honest Z80 assembly language makes as much sense ...
