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Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…
... one thing being able to look up an instruction in something like ... of sounding ungrateful for the code snippets, could I humbly suggest ... learning Z80 coding" that any code snippets are commented along the ... -
ANN: Spud v0.202aHold on to your hats guys, here's a new Spud for you all to laugh at and generally take the piss out of. [url]http://homepage.ntlworld.com/richard.c…
... has changed, I just tidied up the code. In fact it seemed ... . I don't like the look of filtering on D3D surfaces. -
Byte Back, anyone else going?Anyone else from these forums going to be attending this in Stoke this weekend? I know Joffa, Mark and Jonathan are but what about "civilians"? ;)
... were contributed and Gasman knocked up a "complaints" sprite using SevenUp ... bits and pieces to tidy up before the game is released ... Tapper, in a feed-em-up with a definite learning curve ... struggling with the high-score table code.
That my car ... -
ps 2 infoi think theres been loads of ps2 threads before but anyway, i should be getting a ps2 off a workmate tommorow with some games, pads etc im giving him…
I really should look into the possibility of fitting ... can pick a few games up every now and then for ... Cheap PS2 thread I picked up Resi: Code veronica X, God of ... San andreas try and pick up the box set with all ... -
Games with Troubled Gestation periodsI'm quite interested in games that have a troubled history before release, such as for instance Ikari Warriors, that had a long gap before release fo…
Rainbow Islands is a good one to look into, what with Firebird getting the licence first, then something falling through, leading to Ocean buying up the code that was written before releasing it under the Ocean label. -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... had a look at the code recently. I need to free up quite ... , but nothing new has cropped up since the title screen. (Although ... -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... had a look at the code recently. I need to free up quite ... , but nothing new has cropped up since the title screen. (Although ... and cables![/QUOTE]
Look. If it worked I wouldn ... -
Brand new Horace GameWe could think on how should the next Horace Game be, taking in account that the past three are mixtures of old, well established classic arcade game…
... Horace and the baddies, cleaned up the code, and put everything together ... I need to tune up stuff is look at some decent video ... -
BASin assembler/disassembler issuesI would email Dunny, but his listed homepage is nonexistant, and "send a private message to" seems to ask me to log in each time. He doesn't list an …
... ages to find out why code was behaving weirdly. Changing to ... it. Borrowed "this does this" code is a little harder to ... something crazy? I'm bouncing up and down on the insert ... I'd have to go look up - but I can't work ... -
Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.
... (myself included) into tightening up their code and 'round off a few ... /> Perhaps it's the league table that has added an element ... -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... /> The file should look like this
[CODE];
; Assemblers also ... br /> reset_machine: RST $00[/CODE]
My plan ... large parts of the code. We can make the ... always wanted to speed up the scroll routine.
up or missing bit in ... -
New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... /> Yeh it's amazing to look at. A while ago (before ... lines but wouldn't put up any code and poo-pooing your ... -
New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... ]Yeh it's amazing to look at. A while ago (before ... lines but wouldn't put up any code and poo-pooing your ... -
+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
... Elite release. A quick look at the code after the loader upto ... in it which could play up on a +2a machine. On ... -
another adventure stumper (Beatle Quest)I've got stuck near the end of this preposterous game. Neither of the walkthroughs work with either of the program files available on WoS. This [url=…
... />
A quick look at the code at the bits we ... in shows:-
[code]
EXAM DROP AT 127 ... 3 ;increment score
DESC ;LOOK
EXAM DROP ... That is why you end up in the vicious 'smelly lumps ... -
AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... 's VTII/PT3 player code is that it handles ... from a quick look at the latest code, it has the ... fixed it elsewhere in the code). VTII itself handles it ... , but the Z80 PT3 player code doesn't.
table code. it seems to cater ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... to look up the real opcode, you could also do this:
[CODE ... here's your n ;)
[/CODE]
In Pasmo you ... wrap this up in a nice little macro like:
[CODE]GETOPCODEINA ...
GETOPCODEINA push bc[/CODE] -
What's a library?Other than somewhere to borrow books, what exactly is a library? Is that just where C functions are declared? For example #include "trigonometry.h" …
... /> Libraries are simply collections of code provided by someone else. The ... been compiled from its source code (whatever language it was written ... operating system is called to look up a particular library function. If ... -
Gaming Epiphany?!?!?Not sure if this has been asked before, but, here goes. I was wondering which games people had played on what ever system and thought 'WOW now that?…
... ' that doom didn't have (look up and down, sliding on ice ... ), there's no real boot up time, console games usually are ... . I have 2 pcs hooked up to my Bigscreen 42" LCD ... and mouse on the coffee table, additionally to playing pretty much ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... offsets table.
[CODE]
;Scrolling routines for UP/DOWN ... rows.
;One table has addresses in increasing ... EQU $ + 1 ;pointer in table
ld (SCRLinesDown), hl
;now fill the table in reverse
ld (FillScrLinesSPStore ... -
JSpeccy: New emulatorHi there, Jos? Luis S?nchez (zx81 at ono dot com) has developed a new ZX Spectrum emulator in Java, with a very accurate Z80 emulation. The message …
... had a very quick look and the code is simple enough that ... have to study the audio code as up until now I had ... inside Java! A few more code comments (preferably in English ;) ) across ... -
tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
... />
Yeah, if you look throught the code you'll see a ... this was funny...
[code]
KEYS LD A,$20 ... A,C
RET
[/code]
I had an ... />
EDIT - I love waking up to the smell of a ... -
tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
... function dispatch from a table.
[code]
.starthere
table followed by implementation code. The table contains pairs of ... like so:
[code]
... ; set up registers or C stack ... -
New Game and HelloHi All, Long, long time lurker and contributor (hardware index, PiMan files etc..) but having been quiet for a few years I thought I might register. …
... types again! The screen flashed up the heading and then dumped ... to get back into the code afterwards.
This also ... .4 so I could look at the code, and I found that ... -
ZXS Initial pre-release releaseI have been beavering away today on my new, and what's more, free webshite. As well as releasing some of my unrelated development efforts, I have rel…
... and single step through the code, so all's well there ... if you constantly need to look-up which function/keyword is on ... -
The Spectrum screenshot odd-one-out round - hard skill levelActually, more like nightmare skill level... If you don't know how to play, then go to the easy questions thread at: [URL="http://www.worldofspect…
... [I]Daley...[/I] had a code sheet or anything though.[/QUOTE ... - actually, the reason I came up with for the question is ... Jetset Willy introduced the printed look-up chart, Elite introduced the Lenslock ... far to go. It's up to you if and when ... -
1K ZX81 "Chariddy" games competition mate..I'm trying to put together a Cronosoft 1K ZX81 gamestape in the style of the old "JK GREYE" 10 games tape that I remember owning about 28 years ago. …
... the labels into addresses. My code looked something like:
I wrote the code first in assembler on squared ... using a few look up tables. I typed the code in rem statements ... my "Hex Autoloader" loaded the code into ram and replaced all ... -
DivIDE Plus FeedbackFinally had a chance to try out the DivIDE Plus since I got a CF card working (thanks to Rich) I put on a load of TAP and Z80 files I had onto it (I…
... i can automatically copy RESIDOS code to ZX ram (zx ram ... them to ROM. I'll look up the details when I get ... -
DivIDE Plus FeedbackFinally had a chance to try out the DivIDE Plus since I got a CF card working (thanks to Rich) I put on a load of TAP and Z80 files I had onto it (I…
... them to ROM. I'll look up the details when I get ... main ResiDOS system has a table at $3180 containing 64 entries ... />
The bank containing this table is: 8 (divIDE Plus, ZX ... -
Did the average Spectrum programmer really even try?I've been thinking about this recently, I'm always hearing Amstrad, and MSX users moaning about how unfair it was that they got "lazy Spectrum ports"…
... you have a fully powered-up Bounce Laser, fire it off ... 12.
If you look at the code you can see that ...
