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more translated Dizzy gamesHi, those who want to play New Dizzy and Home Island Dizzy in English may download them from this site: [url="http://speccy.t35.com/"]http://speccy.t…
... animated intro that made me jump off my seat and say ... -
Games that are easier due to bugsThis is a similar type thread, how many games are made easier due to bugs? I remember being able to bounce past the guardians in Underwurlde without…
I remember playing Stay Kool by Bug Byte and by pressing the 3 keys (left right and jump) you could fall from any high height.
This only happened on one particular Spectrum I had and when I upgrade to the 128k - it no longer happened. :( -
Games that are easier due to bugsThis is a similar type thread, how many games are made easier due to bugs? I remember being able to bounce past the guardians in Underwurlde without…
... Heels[/I]: Getting Head to jump into a high doorway by ... at the top of Heels' jump. It takes a lot of ... -
Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…
... /> [/quote]
You had to jump on the various platform avoiding ... -
Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…
... /> [/quote]
You had to jump on the various platform avoiding ... -
Fairlight 2, once againOK, so I'm determined to make Fairlight 2 crumble and reveal its secrets. I've been running around in part 2 with a "go through all locked doors" POK…
... to stand on, you can jump up into the tree and ... -
TZX in ROM...Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM? [ This Message was edited by: klingler on 2004-07-0…
... loader and setting registers and jump to startadress.
The ... -
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…
... , while having to play Othello (Reversi) on computer terminals (and beat ... -
Not likely[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=11994&item=8118446106&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=1…
... ?649.99 or I would jump at this once-in-a ... -
Another Z80 processor questionOK, this time this isn't clearly covered in the FAQ, as far as I can see.... Suppose we have the CB instruction "SET b,r" (b=bit, r=register (differ…
... the final destination of the jump
LD r,r ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... 0xf3) would cause a jump to 0xfff4 where you could ... tstates: read high byte and jump to interrupt routine.
... tstates: write low byte and jump to 'n'.
[/ ... low byte of PC and jump to 'nnnn'.
[/quote ... low byte of PC and jump to 0x0066.
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... tstates: write low byte and jump to 'n'.
[/quote]
jump to 'nnnn'.
[/quote]
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 …
... to our proper program
jump to HALT instruction
reenter ...Joystick JockeyWho needed to have an interface then to play their favourite games? I always prefered the more responsive method of the keyboard and still do to thi…
Q Left
W Right
C Jump
Leaving the other hand free for... Well, just about anything ;)Basic corruptionDoes anyone have any tips or solutions for when a Basic listing becomes over a certain size and starts to get corrupted due to paging... I remember …
valhallawheres the valhalla roms on this site??
... snapshots. Certain people here will jump all over you if you ...Dynamite Willy/ Jet Set DanI played Dynamite Dan years ago but I didn't really play it until recently. I think that this game is just a tarted up Jet Set Willy ripoff. It's go…
... to death and expecting to jump up into the Off Licence ...Best chess game on SpeccyNot the most exciting topic in the world, but I'd like to know what you think was the best attempt at the ancient game on the Speccy. I remember a bi…
... chess is compared to othello/reversi (probably a lot) but this ...Best chess game on SpeccyNot the most exciting topic in the world, but I'd like to know what you think was the best attempt at the ancient game on the Speccy. I remember a bi…
i found out reversi taxes the poor little z80 a lot too, at level 9. although they claimed their program was beating masters at competitions (maybe by making them fall asleep? ;)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 …
... routine for each line and jump to it according to the ...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 …
... sprite
JR Z,RETURN ;jump to return procedure if all ... ;move down a line and jump back to beginning to
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 …
... /AND 7/JR NZ,... conditional jump JR NZ,... takes 12t 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 …
... />
You will need a Jump Table with the addresses for ... be used to retrieve the Jump addresses:-
LD A ...My little videogames database : )Hi, here you can find my "little" videogame database: I hope you like it! [url="http://bozan.interfree.it/index.htm"]http://bozan.interfree.it/index…
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 A,(SPRXLEN) ;Find jump address for width of sprite ... /> LD HL,JUMPTAB1 ;2 jump tables are used. One for ... />
DRAWMID JP (IY) ;Jump according to width of sprite ... />
DRAWMID2 JP 0 ;precalculated jump, this address is
W32B ...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 …
... in case of a near jump (for obvious reasons).
#define ...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] ; ***********…
... and enable
ei ;interrupts. Jump to 0056 in ROM
JR NZ,left ; so jump if xmove is negative
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] ; ***********…
... and enable
ei ;interrupts. Jump to 0056 in ROM
JR NZ,left ; so jump if xmove is negative
