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Help, my Sprite Code wont workI have zipped it all up here: [url="http://www.peargames.co.uk/downloads/galagorf.zip"]http://www.peargames.co.uk/downloads/galagorf.zip[/url] If y…
... I dont use any fancy stack stuff, I simply copy and ... -
New game: Alien 99Hi, I've just uploaded Alien 99, a new game for 48K/128K Spectrums. Check it out at [url="http://usuaris.tinet.org/jpm"]http://usuaris.tinet.org/jpm…
... while the remaining ships will stack up past the screen boundaries ... -
ANN: midi2ay 0.1Well, here's the MIDI-to-AY converter I promised. I've named it "midi2ay" (original name eh?) [url="http://es.geocities.com/qllaria/midi2ay/midi2ay-…
... before returning? I noticed the stack pointer is put to 0 ... -
Can't Remember Game NameEDIT: AAAAAAAAAAH! I FOUND IT, LOOK AT THE SECOND PAGE! Oh please help! I've searched the web for soo long... I know there's a remake of this game…
... to each there is a stack of rectangles, kind of like ... time the damaged units HP stack will shrink, then the defender ... -
Emulator File types...SNA/TAP/TZX/Z80/ZXS All I knew about the Spectrum was how to play games on it, but since being introduced to pc emulations back in '97 I've always w…
... registers are PUSHed onto the stack in a .sna file, which ... some instances can cause the stack to overflow. If that doesn ... -
Proving a negativeThis could be fun: prove to me that there is no such thing as flying reindeer. If I had a million dollars, I'd bet that you can't.
... whole, kinda like an infinite stack of Russian Dolls, but with ... -
Proving a negativeThis could be fun: prove to me that there is no such thing as flying reindeer. If I had a million dollars, I'd bet that you can't.
... whole, kinda like an infinite stack of Russian Dolls, but with ... -
ROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …
... ; push return address + 2 on stack
push HL
; push after_page2: on stack
ld Hl,after_page2 ...
; push call address on stack
push DE
So when we RST the stack should be:
... -
Machine Code: quicksort optimisationI came across this z80 quicksort implementation when going through the wikipedia article on the same. It's 44 bytes long. I was wondering if any of …
... mark end of qsort -- empty stack
jp qsort2
...
.qsort1 ; check stack for pending qsorts
pop ... bc
push bc ; stack = left+1 = last+1< ... i, bc = left, hl = right, stack = last+1
... -
Machine Code: quicksort optimisationI came across this z80 quicksort implementation when going through the wikipedia article on the same. It's 44 bytes long. I was wondering if any of …
... and right pointers onto the stack that are popped off later ... -
wanted spectrum 128 keypadI would like to buy a spectrum 128 keypad
... - are you referring to the "calculator" style keypad released in Spain ... -
4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)
... of code. It uses the stack/push technique to render the ... -
Which Speccy game would you like to see as a movie?Personally, I'd love to see Dun Darach made into a film. It could be brilliant if it was done correctly. :) Jean-Jacques Annaud would probably be the…
... not be mugged for their calculator watches on the way out ... -
What do you think.Do you think if you went back in time and made a Sudoku game for the spectrum you would be a millionaire now? (all my get rich quick schemes invole …
... SP,(HL) ; save HL on stack
LD HL,(SYSVARJUMP) ; Fetch ... -
What do you think.Do you think if you went back in time and made a Sudoku game for the spectrum you would be a millionaire now? (all my get rich quick schemes invole …
... SP,(HL) ; save HL on stack
LD HL,(SYSVARJUMP) ; Fetch ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... should be disabled and the stack should be in an area ... -
4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)
... works is by using the stack to push data onto the ... -
Arcade games that never got converted to the SpeccyOver the years, loads of arcade games never did make it to the Speccy. What games would you have like to have seen converted to the Spectrum?
... conversions that just didn't stack up.
Even with ... -
Arcade games that never got converted to the SpeccyOver the years, loads of arcade games never did make it to the Speccy. What games would you have like to have seen converted to the Spectrum?
... conversions that just didn't stack up.
Even with ... -
Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... all except for maybe the calculator on rare occasion, the tape ... 16 (print) and RST 48 (calculator) are useful to m/c ... -
Assistance with IM2 routineI subsequently got a working IM2 routine.
... be able to use the stack safely, are you sure all ... -
Assistance with IM2 routineI subsequently got a working IM2 routine.
... you may be having a stack overflow.
You know, you ... -
Assistance with IM2 routineI subsequently got a working IM2 routine.
... your IM2 routine or the stack is sitting in contended memory ... -
Any examples of Proportional Font (Dark Star)Dark star had a cool proportionally spaced way of displaying text. Does anyone know of any code to do this? Cheers
... the one on my Casio calculator. Eventually I decided that Casio ... -
Unpublished spectrum gameHi there I have a Spectrum PDS development environment and before I get rid of my old PC which has an ISA slot I thought I should ask this question i…
... rest of the machine state (stack pointer, pc, etc) won't ... z80 state info (location of stack, pc, register contentsm, etc). If ... -
Unpublished spectrum gameHi there I have a Spectrum PDS development environment and before I get rid of my old PC which has an ISA slot I thought I should ask this question i…
... to point to somewhere where Stack Pointer can be and disable ... -
Timex 80 column display driverI subsequently wrote an 80 column font driver for 512x192 mode.
... remove a lot of the stack-usage, and replace it with ... the accumulator, rather than the stack, like so...
ld ... -
last of the living dead remakesDay of the dead will be out in 2007 - posters now out and a page has been put up on imdb. Don't know about this one though... i like the original so…
... who have to defend a stack of buttered scones from hordes ... -
Best Speccy game written in BASICHopefully this has not been done before, but anyhoo. My vote is the sublime VIKING RAIDERS.
... RETURN; resulting in the GOSUB stack getting ever larger, until finally ...
