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Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... dm says, the overhead of variable sizeness is really quite small ... -
Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
... MHz (I tested with a variable frequency generator). For greater speed ... -
Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…
... or equal to
;sprite width
JR NC,INCPOINTER ...
;is less than sprite width so there is
;a ... -
PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... view it. :D
The variable in the listing for money ... -
Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…
... or equal to
;sprite width
JR NC,INCPOINTER ...
;is less than sprite width so there is
;a ... -
Announce: Crap Game Competition 2004The comp.sys.sinclair Crap Game Competition 2004 is now officially open! :roll: [url="http://www.speccyspoilers.co.uk/cgc2004"]www.speccyspoilers.co…
... PI/180 value in a variable (rad?), since you are using ... -
Announce: Crap Game Competition 2004The comp.sys.sinclair Crap Game Competition 2004 is now officially open! :roll: [url="http://www.speccyspoilers.co.uk/cgc2004"]www.speccyspoilers.co…
... PI/180 value in a variable (rad?), since you are using ... -
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... storing the value of your variable inside the LD HL,xx ... -
I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... each one an unsigned integer variable which always holds a value ... -
RZX for Sabre WulfI was just about to send an RZX for Sabre Wulf to the RZX Archive when I noticed they don't accept Ultimate's (and other companies' who haven't given…
... in. Restoring register and system variable values might be a first ... -
RZX for Sabre WulfI was just about to send an RZX for Sabre Wulf to the RZX Archive when I noticed they don't accept Ultimate's (and other companies' who haven't given…
... :
Restoring register and system variable values might be a first ... -
Cobra - scrollingHi everyone, I have been studying some of the code in Ocean' Cobra game using a debugger, in the hope of improving my own scrolling routines. In cas…
It actually seems to wait for variable lengths of time: 70000 was just one instance of the delay.
Derek -
Idea about improving EmulatorHi, I got a bright idea today how to improve such excellent emulators a bit more. Okay, disassemblers are available in nearly every one new released …
... (for example the lives location variable or display in a game ... -
Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…
... the idea behind PWM (pulse width modulation).
First select ... -
Sir Fred helpAnyone know how to kill guard with the sword? I always get killed during a swordfight, I know that you have to use the sword to get past these guys.…
... offering great options such as variable speed Z80 emulation, fastloading of ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... print=10
as a variable without getting an error message ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... print=10
as a variable without getting an error message ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... print=10
as a variable without getting an error message ... -
jet set willy in b.a.s.i.c (oh, even more horrors!!!!!!!!)what about jet set willy in b.a.s.i.c ? is anyone doing that? i think it's a really bad idea, but it's sure is a funny one! oh yes, i do know a littl…
... his position with a seperate variable. You could actually do this ... -
jet set willy in b.a.s.i.c (oh, even more horrors!!!!!!!!)what about jet set willy in b.a.s.i.c ? is anyone doing that? i think it's a really bad idea, but it's sure is a funny one! oh yes, i do know a littl…
... his position with a seperate variable. You could actually do this ... -
If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…
... mode and can handle any width fonts -- I've tried 42x24 ... -
OT: Amstrad CPC GamesCan anyone recommend any platform games or isometric 3D games (such as Head Over Heels, Knightlore etc) on the Amstrad CPC, preferably games that wer…
... version scrolls at 4 (double width) pixels horizontally and 8 vertically ... -
Need some help making a BASIC gameI'm creating a text adventure in 128 BASIC (I don't like using the 'keywords' in 48 BASIC - It's slow and annoying!) called "The Legend of The Red Dr…
...
REM tokenparser sets index variable command
GOSUB commandhandlers + command ... -
Need some help making a BASIC gameI'm creating a text adventure in 128 BASIC (I don't like using the 'keywords' in 48 BASIC - It's slow and annoying!) called "The Legend of The Red Dr…
... , it is stored in a variable. If the command matches one ... -
OT: Amstrad CPC GamesCan anyone recommend any platform games or isometric 3D games (such as Head Over Heels, Knightlore etc) on the Amstrad CPC, preferably games that wer…
... version scrolls at 4 (double width) pixels horizontally and 8 vertically ... -
loading techniques I never worked outFirstly, how do games that load with LOAD "" CODE autorun? Secondly, how do you save a basic program as a CODE file (but not as BASIC compiled into …
... memory from the first System Variable up to E_LINE (which comes ... -
OT: Free C compiler I`ve decided it`s time to learn C, or possibly C++, and have managed to get a couple of cheap second hand books to help me on my way... However, ha…
... be ANSIC compliant (remember VC6 variable scope confusion?) code that they ... -
Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…
... /> Also, I currently have local variable storage preceding the function entry ... function would kill my local variable tags, no matter what mode ...