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SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…
... to a better string copying routine
CONST name,value - sets ... -
Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…
... doing anything in the interrupt routine at the moment.
routine actually draws them on the ... screen, and then the draw_sprites routine clears them off (unless they ... -
Clearing 22 lines of the screenHow do I go about clearing the top 22 lines of the screen and leave the bottom #0 area untouched? I have a routine to reset the attributes, but cant…
... ?
I have a routine to reset the attributes, but ... -
Exploding routineI've been mucking about with 'Explode' from YS Program Pitstop, but I can not get it to work independently of the basic program. LET L=USR 61456 doe…
I've been mucking about with 'Explode' from YS Program Pitstop, but I can not get it to work independently of the basic program.
LET L=USR 61456 doesn't seem to work unless its from the basic program
I am basically wanting a 16 x ... -
What's the deal with hash tables, anyway?As there's nothing in the [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/0-surc-contents.htm]Compendium[/url] about hash tables, and as I've …
... short program demonstrates a simple routine for building a hash table ... a version of Kweepa's routine for the Spectrum keywords, converted ... -
Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... is, jumps to the 8x8 routine.
The second tests ... -
Un-PLOTting in the #0 areaHow do I go about un-PLOTting in the bottom 2 lines. I am aware the ROM PLOT routine only works in the top 22 rows, so how would I go about depletin…
... am aware the ROM PLOT routine only works in the top ... -
Un-PLOTting in the #0 areaHow do I go about un-PLOTting in the bottom 2 lines. I am aware the ROM PLOT routine only works in the top 22 rows, so how would I go about depletin…
... am aware the ROM PLOT routine only works in the top ... -
Load Shadow of the Unicorn using DivideHi all, I was wondering wether it would be possible to use Divide and allram mode to be able to load Shadow of the Unicorn without usign the Mikro+.…
... + ROM that replaces the load routine in Mikro+ ROM with the ... -
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... /> Please does anyone have a routine to print a logo/graphic ... />
Oh and a print routine too that I can do ... -
z80 less than and greater thanI am writing a keyboard routine where the pressed key code number is held in A. I only want to action the number key presses 1 to 9 (codes 49-57) so …
I am writing a keyboard routine where the pressed key code ... -
Finding an empty cell in a grid[FONT=Calibri][SIZE=3]I?m after some advice on ways to tackle the following problem. I?m not after code to do this but would be interested in possibl…
... ?t too important as the routine would only run now and ... -
SpecBAS 0.802 Released!Hi folks - It's that time again when I release the latest round of features and bugfixes to SpecBAS :) New for this version are ZONEs which act ver…
...
Optimised the line drawing routine, much faster now
Filled ... -
What to use to create a map of the place where I live?I would like to create a map of the area where I live and, ideally, be able to explore it with a game character or at least be able to explore it usi…
... map in memory and what routine to use to scroll to ... -
writing incrementally to tape without leadersI want to be able to write intermittently & incrementally to some sequential medium which is supported on any Spectrum (emulator, ie. tape); eg. [cod…
... output "ABCD...Z" using this routine all I really want is ... 'm calling my own tape routine rather than the one in ... -
Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
... data. Then a small MC routine must be coded in order ... -
Routine for handling large scores?[FONT=Calibri][SIZE=3]I want to store various numbers for scores and levels etc. Some of these can be very large so will need to be held in multiple …
[FONT=Calibri][SIZE=3]I want to store various numbers for scores and levels etc. Some of these can be very large so will need to be held in multiple bytes. I need to be able to increment and decrement these values. Anyone got some useful z80 routines ... -
Multiply by 48Is there a 'cheat' to multiply by 48 in Z80? I have a table of sprites 48 bytes each entry, and I want to be able to offset my pointer with a simpl…
... /> There's a good little routine in the Zak's book ... -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... written by the ROM SAVE routine. Some editors might treat the ... token lengths and m/code routine for expanding the tokens (see ... -
AFX Sound Effects DatabaseGentlemen, I'm converting some games from ColecoVision to MSX (sorry, not 100% ZX Spectrum related, but...) and in some cases, I'll need to completel…
... 'm using the z80 player routine from AY Sound FX Editor ... -
Making AY musicCan anyone recommend an AY music making package that is as user friendly as Beepola is for the speccy beeper? And do they make their own interrupt r…
... they make their own interrupt routine/is it easy to incorporate ... -
ZX Alien Breed - WIPI'm sure a lot of you have seen the discussion in the New Game Ideas area about a Speccy version of the classic Amiga game Alien Breed. I've been dro…
... quicker!
2 - Key routine. This is really straightforward and ... yet!
3 - Map routine. This is in 2 parts ... of the LDIR block-copy routine means I can shift individual ... alien data into the routine and use just the one ... -
Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …
... .
Here is a routine which returns a screen address ... -
RE: Nirvana EngineThe Engine looks amazing Einar! Does anyone have any source examples of how to display a tile map and moving sprites using this? Thanks :-) Keep u…
The Engine looks amazing Einar!
Does anyone have any source examples of how to display a tile map and moving sprites using this?
Thanks :-)
Keep up the good work Einar! :-) -
EXX ProblemsWondering if any other coders have had problems using the EXX instruction in FUSE... I am calling the BEEP routine from within my own code and prese…
... /> I am calling the BEEP routine from within my own code ... -
understanding machine codeHi Quick question. Am not really sure if it fits development forum as its not really development per se its more a learners question about developm…
... -82 I am running the routine and had couple of questions ... -
byte to screen eventI have another question regarding assembly routine in MMCOYZXS by Toni Baker page's 87-88 [QUOTE]21A440 LD HL,40A4 11083F LD DE,3F08 0608 LD B,08…
... have another question regarding assembly routine in MMCOYZXS by Toni Baker ... -
New version emulator ZEsarUX 0.6Hi I have uploaded a new version of my ZX Spectrum/ZX80/ZX81 emulator. Changes are: Added ZX Spectrum smp tape loading (raw audio) Added Image stab…
... selected
Improved ZX81 tape routine: now you can load a ... -
X*Y*Z - A community project?Five years ago I wrote a game called [B]W*H*B[/B] ([URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0023478"]http://www.worldofspectrum.org/inf…
... loading screen, and possibly also tile designs, game mechanics and so ... -
ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... , one vertical 2 pixels scroll routine with 13 sprites
routine. Perhaps this can be useful ...
