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Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…
... 'length of screen
LOOP LD A,(DE) 'fetch value ... OR C
JR NZ,LOOP
RET
[/code]< ... OR C
JR NZ,LOOP
can also be changed ... in just
JP PE,LOOP
or
JP ... PO,LOOP
I don ... -
Hey Hey 16kQuite possably the BEST thing Rob Manuel (b3ta.com) has ever done - awesome, fantastic, bloody marvelous... [url="http://www2.b3ta.com/heyhey16k/"]h…
... don't gosub a program loop, you'll never get a ... -
16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…
... formatted code, allowing for a loop for length, and instructions of ... -
URIDIUMDoes anyone actually like the Spectrum version of this game? Or was it some sinister plot to make the Spectrum look silly trying to compete with the…
... it of course started to loop through the levels again, if ... -
COVOX works?My Sprinter "simulates" a COVOX soundcard at port 4Fh, but I don't know how to use it! Can anyone explain to me the process of programming it? (To be…
... usr 0 mode. The main loop of 128 Basic insists on ... -
It's a waiting game.Right, so here you are. Right now. You've got your Spectrum and, hell, you want some new games to play. Brand new games. Sod your GameCubes, your PS2…
I'd like a game titled "Amazing Puddings From Outer Space" - and I hope somebody will program it soon. -
Red Dwarf....Does anyone know, what year was Red Dwarf first broadcast by the BBC? How many years, before or after the last of the mainstream commercial Spectrum…
... don't gosub a program loop, you'll never get a ... -
When Speccy Limitations an AdvantageHi, just came to think that sometimes the technical limitations of Spectrum have resulted in a better game. Take for example the scrolling of Scuba …
... ) is within a FOR NEXT loop say, n is 7 to ... -
Best Speccy BargainsWhat was your best Speccy related bargain you've ever got? Mine was my first Speccy in 94/95. I was looking over my local car boot sale when I saw a…
... and inserts and manuals (no outer cardboard box though), along with ... -
Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... to create the main game loop,[/quote]
Assembler is ... -
Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... were decreased for each game loop - when a counter reached ... 't I design this game loop taking timing into consideration, both ... subroutines being called and another loop could result in all being ... .e shouldn't I time loop execution and pause accordingly)? ( ... -
Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... to design the main game loop taking the frame interrupt in ... 't I design this game loop taking timing into consideration, both ... subroutines being called and another loop could result in all being ... .e shouldn't I time loop execution and pause accordingly)?[/quote ... -
MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program
... formatted code, allowing for a loop for length, and
;instructions ... -
Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... that contains your main game loop - it is here that keyboard ... -
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…
... as quick as possible (no loop overheads) and updating the screen ... -
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…
lambourne cricket gamesI am a recent convert to retro games and the zx emulators. I remember playing a cricket game which is the lambourne games cricket 1991 but when I run…
spin anf klive boith work better than the zx32 but still seems to loop. I seem to remeber that te original instructions asked for you to tyep in a line of code
thansk for your helpStrange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
...
LD B,8
LOOP LD (HL),A
INC ...
INH H
DJNZ LOOP
RET
[/code]need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... bit of code inside your loop - saves 27 tstates per line ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... bit of code inside your loop - saves 27 tstates per line ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... IXH,A ;IXh is the loop counter
LD A,(SPRXLEN ... to do this outside main loop)
LD (DRAWSPY2+2),A ... of the routine is a loop
LD L,C ;for ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... ,... 7x10t+1x10t=80t...
loop for drawing mid part of ...Chuckie Egg 2 helpCan anyone help me with Chuckie Egg 2? I've filled up the Milk, Cocoa, & Sugar vats, and have make the motorbike toy and picked it up. But what do …
Leaving it to loop is just cruel, and not in a good way ;)need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... /> LD IXH,A ; IXH is loop counter for height of sprite ...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 …
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
LD B,TOTALSPRITES ; And loop for the total number of ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
LD B,TOTALSPRITES ; And loop for the total number of ...Splat!how many levels does it feckin' have? ive been playing it and saving snapshots after every level, so far ive done 1-7 then the level stays on 7 but …
... on (a sort of reverse loop?) to improve score, but it ...