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Wheels of Fire: Chase HQ = duff masteringAndy Barker mentioned Chase HQ in the Wheels of Fire compilation as being WIP way back in April 2005... http://www.worldofspectrum.org/forums/discus…
Andy Barker mentioned Chase HQ in the Wheels of Fire ... been trying to TZX my copy (prior to selling it!) and ... -
Chase HQ - How did they do it?How did the programmers of Chase HQ do what they did with that game on the Spectrum? Let's face it, the speccy was pretty tired by the time that gam…
How did the programmers of Chase HQ do what they did with ... -
Original boxed Chase HQ release desiredI'm after a boxed original Chase HQ, complete with box that hasn't been scraped too much. Doesn't matter if the tape works as it's for display purpos…
... 'm after a boxed original Chase HQ, complete with box that hasn ... -
Chase HQ II (missing artist ???)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000906"]Chase HQ II[/URL] In the lower right corner there is what appears to be PG or FG or …
... .org/infoseekid.cgi?id=0000906"]Chase HQ II[/URL]
In ... -
Chase HQ Pseudo 3d road algorithm ?Hello, I'm new to that forum and to the spectrum. I'm developping games for Colecovision (may be you hear about : Ghost'n Zombie and Smurf challe…
... particular i have discovered the Chase HQ port , and i have been ... the exact algorithm used in Chase HQ speccy's port.
chase hq in a format i can ... dissambled file (re-assemblable)of chase HQ?
Or better , if ... -
Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …
... that stack pointer cheese and push/pop is faster to move data ... mojon's fourspriter to use push/pop, but copying a four character ... screen takes three cycles of push/pop.
What's the ... -
Game of '90 and Emlyn Hughes and Chase HQHi all I finally worked out how to play Emlyn Hughes and, whilst I can see the appeal, remain a Match Day 2 fan! Chase HQ is very impressive too, m…
... a Match Day 2 fan! Chase HQ is very impressive too, mind ... -
Push 'n' ChaseIt is my great pleasure and honor to announce the release of PUSH 'n' CHASE a game made with CGD featuring a wonderful loading and intro screen …
... the release of
PUSH 'n' CHASE
a game ... crates to reveal the traps. Chase the baddies with the traps ... become dangerous mines. Baddies can push the mines all over the ... crates into mines, You can push the crates against obstacles to ... -
Developing "Push n Chase" into a good gameI was wondering if anyone would like to help developing my CGD "Push n Chase" into a good game. [url]https://www.youtube.com/watch?v=cdZ5XYbterc[/u…
... to help developing my CGD "Push n Chase" into a good game ... become traps which you can push to kill your enemies. If ... to buy the crates (you push money bags against special blocks ... ). Sometimes you are supposed to push blocks to clear the way ... -
Chase HQ and Out Run Europa - same graphics?This just popped up on twitter, posted by Bill Harbison (Ocean graphic artist) https://pbs.twimg.com/media/Cn0G7D8WgAAI291.jpg Is this true? US…
... ? US Gold recycled Harbison's Chase HQ graphics for Out Run Europa ... -
Movie/TV tie-insI know Ocean used to get a lot of flak for buying licenses and then pumping out generic crap of the worst kind (Transformers, Knight Rider, Highlande…
... - Sabouteur style?
-Fast and the Furious - Chase HQ-style
I ... -
T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
hey, people, CHASE HQ has pretty fast stack based copy routine:
LD SP ... /> POP IY
LD SP, HL; THE SECOND ONE :)
PUSH IY ...
PUSH IX
PUSH BC
PUSH DE
PUSH AF ... -
Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... )
IF FLAG IS 1, FAST COPY BUFFER TO SCREEN
POP BC
LD SP,HL
PUSH BC
PUSH DE
PUSH ... -
Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... stored in this sequence
push hl
...
PUSH/POP in theory 10.5 T ... byte (CHASE H.Q. has some kind of really fast copy routine, ... /> LD HL, xx / PUSH HL 10.5 T/byte ... it was example of very fast push/pop copy routine. he uses it ... -
Trouble with rainbow effect push/popI'm having a bit of bother getting my rainbow graphics to behave themselves. Basically I want a rainbow effect to last for say 4 seconds before movi…
... problem is if I omit push and pop bc the thing goes ... )
;push bc
call flash
call flash2
;pop bc ... -
[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... interests me most is efficient fast code, so after weeks of ... the stack pointer and using push/pop to copy memory fully unrolled with ... -
T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
hm, not a copy routine from CHASE H.Q.
this one ... /> pop bc ;38
ld sp, hl ;6
push ... /> pop bc ;38
ld sp, hl ;6
push ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... s implementation has an unnecessary push/pop in there which really ... hw support) is a fast byte copy (for copying a back ... the main display) and a fast write/clear (for zeroing ... to do the byte copy at a speed of ... (not the same as a copy, more limited) at about ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... on the z80 is with push and pop. So the fastest scroll ... = destination address for pixel row copy
ld h,d ; now ... so we can see how fast it is. If this isn ... pixel, or moving to a push/pop solution.
BTW, everything ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... to a list of how fast the instructions in mc are ... each in comparison to regular push/pop). The "ld sp,hl; ld ... the row in the next copy operation.
The destination ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... notice I took out the push ix/pop ix pair because this ... can do copy operations in pixel row order easily. push ix/pop ix ... 21 for regular push/pop and will decrease the copy speed from 12 ... things go as fast as possible (or acceptably fast) and things should ... -
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…
... fast. It's self modifying code, doesn't use PUSH/POP copy, ... )
inc hl
push de
djnz FillScrLinesRev
ScrollDownLoop: ;copy a single char line
push bc
ld ... br /> inc d
pop bc
djnz ScrollDownLoop < ... -
Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... on the [b]push[/b] and [b]pop[/b], but have ... m asking about optimising a push/pop byte copier that uses ... push/pop copy used for multicolor or my description of push/pop copier from CHASE ... />
when speaking about PUSH/POP copy don't forgot contetion (and ... -
Your Views on... GhostbustersI dusted off the Master System version of this and inspired me to try out the Speccy version. It's a good game with it's strong and weak points. I …
... does a big LDIR to copy it to the screen. Unfortunately ... up by using LDI or PUSH/POP. To fit in the small ... /> DJNZ DONE2
JP $8300 ;fast loader jumps to $8300 to ... -
Your Views on... GhostbustersI dusted off the Master System version of this and inspired me to try out the Speccy version. It's a good game with it's strong and weak points. I …
... does a big LDIR to copy it to the screen. Unfortunately ... up by using LDI or PUSH/POP. To fit in the small ... /> DJNZ DONE2
JP $8300 ;fast loader jumps to $8300 to ... -
Graphics that impressed youDan Dare 3 Extreme Driller (before I started playing it) Mercenary R-Type
... where they still managed to push the boundaries of what the ... was. As others have said, Chase HQ and Enduro Racer did a ... the time) was just fab. Fast, big graphics, it felt like ... was all about the super-fast sprite scaling and sunshine atmosphere ... -
Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
[QUOTE=Fikee;613293]PUSH/POP copy with bank switch between fetch ... in the middle of each copy. It slows you down, but ... routine.
For my super-fast scroller, you treat the tiles ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... seconds - I thought it was fast enough.
... buffer
copy the 3 tile graphics needed ... tile buffer,
copy ORing/ANDing the sprites onto ... those tiles
copy the tile buffer numbers ... joy of EXX instead of PUSH/POP.
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... seconds - I thought it was fast enough.
... buffer
copy the 3 tile graphics needed ... tile buffer,
copy ORing/ANDing the sprites onto ... those tiles
copy the tile buffer numbers ... joy of EXX instead of PUSH/POP.
Wheels of Fire: Chase HQ = duff masteringAndy Barker mentioned Chase HQ in the Wheels of Fire compilation as being WIP way back in April 2005... http://www.worldofspectrum.org/forums/discus…
... due to the bad block). Fast loading usually seems to screw ... scoreboard etc but then the Chase HQ logo never appears and the ... identical to my original Ocean copy. I've also done the ... anyone else has got a copy and can confirm that it ...
