-
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... 2, 28, 20}; // full screen - border
struct sp1_Rect levelbrect ... 0, 0, 32, 24}; // full screen
// ... Variable to data Declared in ASM at End of ...
// Refresh the whole screen
void drawmap()
{
4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... all the way across the screen, but becomes less frequent towards ... gets ghosted into the same position in 0,1 (it does appear ... in other positions in this character location), but ... to reduce the ghosting, in particular the vertical ghosts almost ...Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... he can move at pixel position in all directions, he has to ... see this sort of thing in [URL="http://www.worldofspectrum.org ... loads the sprite bytes to screen without background mixing. The occlude ... some graphics for the last screen already ripped, post a link ...Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... he can move at pixel position in all directions, he has to ... see this sort of thing in [URL="http://www.worldofspectrum.org ... loads the sprite bytes to screen without background mixing. The occlude ... some graphics for the last screen already ripped, post a link ...Scrolling a mapCan someone explain in idiots terms how you scroll a map. I'm not after code as such, just an explanation of how it can be done. I'd like to scroll…
... to the screen, again, based on the precise scroll position. You can ... background and rotating the bytes in it, transferring the 'carried' ... the edge of the screen, for writing in new tiles whenever ... required.
In this case, you can then ...Scrolling a mapCan someone explain in idiots terms how you scroll a map. I'm not after code as such, just an explanation of how it can be done. I'd like to scroll…
... the character's position in map co-ordinates, not screen co-ordinates. Then ... work out where on the screen to draw the character. Your ... your character stay in the centre of the screen, is have a ... a smart routine that fills in areas outside the defined map ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... Graphics/UDCs? No
Updates position? Yes
(1) A ... ) Best case (the new screen location is in the same row)
Minigamecompo 2012[URL]http://minigamecompo.weebly.com/[/URL] As last year, 1K, 2K and 4K compo. Now I can use all announcements on all forums you participate. So f…
... only 1K programmable RAM (screen included). So games based ... entitled to use decompressors in your code, as long ... as they are inbedded in the total code.
In the early '90s I coded ... I recoded the game in MC and added computerplay. It ...Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
... br /> 1000 CLEAR 32767: LOAD "mc"CODE: GO SUB 9115: GO ... 80: PRINT AT 0,0;CHR$ 163,"in ";mode;" mode",
2010 ...
LD (23615),HL ;in LIST_SP
LD A,(23610 ...
LD (23681),A ;in "not used"
LD A ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... ...
Next listing in the book was page 30 ... :
Prints at screen location corresponding to the values ... is never shown on the screen
CHR$ 49 = 1 = is ... 2
CHR$ 51 = 3
CHR$ 52 = 4
CHR$ 53 = 5 ...PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
... ld hl,score+5 ; last position of score
ld b ... "
dec hl ; to next position in score
djnz nxtscore
screen. Also faster than stacking and ...IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... convert these coordinates correctly to position in screen memory?Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... call. The loader clears the screen, displays a logo, and then ... CODE, because the loading screen contains hidden in-game graphics and the ... occupied by the BASIC/embedded mc loader?
Thanks ... routine that writes direct to screen RAM it's unlikely I ...ZX-Paintbrush 2.2.9.5Dear ZX-Paintbrush friends, I want to present you some preview pictures of my latest progresses. Well, there are some bug-fixes to do, but it's work…
... an area of a screen, click export to asm, select binary with ... width x height option. So you could in ... theory select an entire screen, and export it to asm with ... above for the entire screen. With the screen divided into 16x16 ...ZX-Paintbrush 2.2.9.5Dear ZX-Paintbrush friends, I want to present you some preview pictures of my latest progresses. Well, there are some bug-fixes to do, but it's work…
... an area of a screen, click export to asm, select binary with ... could in theory select an entire screen, and export it to asm with ... the screen. After using the export selection button, the
ASM ... this what you have in mind? Such a screen division would be ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... /> ld de, 16384 ; target address (screen area)
di
db ... image)
call dzx7 ; decompress screen using Standard version
sta ... you must do some changes in the .ASM file.ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... are 4 CALL statements in dzx7_standard.asm that would need patching to ... compressed Apulija-13's loading screen to 3714 bytes against the ... for Apulija-13's loading screen.
[list][*]Original RCS+ZX7 ... .exe, and then drag RCS screen onto zx7.exe.
[url ...TommyGun with AGDHi everyone, I have been working with Jonathan to incorporate his excellent Arcade Game Designer utility into TommyGun. Jonathan has created a compi…
... to control which screen to start in (I didn't ... to set the starting position of the player sprite, ... I removed the 3rd screen in from the top left, ... a player sprite in the new screen, which half worked ... on crash happened, filling the screen with garbage.
Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... , from an offset starting position in the frame buffer.[/QUOTE]
position at the next character ... using 2 bytes per character position, thus continuous scrolling would ... a little bigger than the screen). In this case, scrolling would ...running this game in zxspin assemblerHello all I've written this game out in the zxpin assembler. [url]http://chuntey.wordpress.com/2010/01/12/tutorial-zx-spectrum-machine-code-game-30-m…
... just reading my way through in hope that i may ... br /> I have games/programs in MC from 1986 until now.
in MC will give you much insight in all possibilities in MC. For ... game directly in MC than BASIC when just using BASIC screen layout like ...pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…
... stay in memory limits too. If you need asm data ... structures, there are a few in z88dk ... best direction for each position in the map. The idea ... is simple: the goal position emits a stink of ... stink at each map position before the gameplay begins ...Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... you could move across the screen in a reasonable time. But ... track of its own position in hardware and the program ... controlling what one hardware position means in terms of pixels. You ... more precise control of position when demanded. In z88dk, the amount ...generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... every time. In practical terms, we would always see on screen [B ... but start at a different position in the sequence, it may give ... at the beginning when the screen is almost empty, sometimes on ... an almost filled screen, etc. There are so many ...generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... 10 seconds to blank the screen ... but ... there' ... them.
In the listing the [color= ... /> and 7 ;A =bit position
inc a
position in A
rla
...Spectaculator BlogHi All, I've decided to start a Spectaculator development blog [URL="http://www.spectaculator.com/category/blog"]here[/URL]. Normally months (somet…
... with a joystick and the screen suddenly dims then turns off ... you to zoom the screen when in full-screen mode to reduce the ... a tiny box in the middle of the screen.
... remember it's last window position (in full-screen mode).
Hopefully ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... on the screen using LPRINT, it works ok in BASIC, but ... to loop for some reason in MC, and the colours are ... always ends up the same in each column.
in the 48K ROM
ld ... seems to write to the screen. I'm not sure ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... some potential sensitivity to horizontal screen position in my contention test and this ... additional re-tuning and works in SpecEmu correctly (many recent versions ...
