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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…
... have a table of sprites 48 bytes each entry, and I want ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... quick note about the [B]"btile"[/B] format:
... Each [B]"btile"[/B] represents a 16x16 image ... except each tile is 48 bytes (instead of 64 bytes) and their attributes ... column
...
Byte 48: attribute value for 15th and ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... ?[/QUOTE]
Yes. The btile format is just a raw ... , or could it be just 48 bytes * # of tiles big?[/QUOTE]
48 bytes * # of tiles". -
Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... would use a generous 5500 bytes for compressed screens on average ... , 34 screens uncompressed, leaves 2242 bytes free at 47920. And of ... with each level which gives 48 bytes free as well.
Also ... each level at 30609, 78 bytes long maximum.
I ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... the next sp1_AddColSpr() is located 48 bytes away from the beginning of ... of (mask,graphic) pairs = 3x8x2 bytes in size. The last column ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
... do with the spare 64 bytes off the bottom of each ... need clipping?[/QUOTE]
192 bytes raster, 48 bytes attributes, pay attention! Only ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
[QUOTE=TVzombie;236123]192 bytes raster, 48 bytes attributes, pay attention! Only 16 ... more sense to use 200 bytes for rasters (giving 25 rows ... ) with 50 bytes attributes, thus losing just 6 ... bytes. Would probably even the ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
[QUOTE=TVzombie;236123]192 bytes raster, 48 bytes attributes, pay attention![/quote]
< ... more time to step 256 bytes per column rather than one ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... will require 3*2*8 = 48 bytes of memory. If this sprite ... specifying an offset of 48*0, 48*1, 48*2, ..., 48*7 depending on ... will use the address "base + 48*f" as the address of ... -
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... now packs to 40549 BYTES saving 1691 BYTES:
[ ... to initialize and execute depack (48 BYTES).
... ,0,0,0 ; Registers (4 BYTES)
; --------------------------------------------------------------------------
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... (24 bits) would be just 48 bytes palette data (to be set ...fast font engine possible?inspired by the recent "proportional font" thread for zx basic and ideas for gui and having done some of the work on this in the past i wonder if it …
[QUOTE=tstih;539952]perhaps, every once in a while :-)[/QUOTE]
LOL. Personally I would rather save the 48 bytes and have the option of different fonts in memory. It would be good to have a BOLD version for example.
PaddyLERM Tape Copier & OthersI see from reading a few old threads that there is a bit of confusion with some LERM titles. I've got Tape Copier, which comes with all documentat…
... the final block on MM2 (48 bytes) doesn't have a good ...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…
... /> - 256x8 bytes for tile btmaps = 2048 bytes
- 256 bytes: one attribute ... , so you need 18432 bytes for all them. Nevertheless, ... You might need some more bytes to represent the map ... to different screen definitions, or 48 bytes more.
BTW ...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…
... need 240*8=1920 bytes. Add 240 bytes to encode the ... screens x 300 bytes per screen = 7200 bytes, + 2160 bytes for tile ... version of the current screen + 48 bytes (24 pointers to the 24 ... horizontally, instead of storing 30 bytes, you will store: $FF, ...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…
... need 240*8=1920 bytes. Add 240 bytes to encode the ... screens x 300 bytes per screen = 7200 bytes, + 2160 bytes for tile ... version of the current screen + 48 bytes (24 pointers to the 24 ... horizontally, instead of storing 30 bytes, you will store: $FF, ...about Back to SkoolHi All, Back to Skool today! :) [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000362[/url] I got original tape and make samples for side a …
... .) being offset by 48 bytes and a few bytes of data being different ...question re. STR$ bugCould someone point me to whereabouts in the ROM this goes wrong? [code]PRINT PAPER 5;1;STR$ 234[/code] (Only the "1" prints in cyan.) It's not the m…
This routine (48 bytes) provides a BASIC replacement for STR$ which fixes those two bugs; use "FN s$(numeric_expression)" instead of "STR$ numeric_expression". I copied the ROM's method used in CIRCLE & DRAW for checking -1OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
[QUOTE=Einar Saukas;630610]However I have not tested any of this, and I even lost track of the current code size.[/QUOTE]
Tested and working. Now down to 48 bytes. That's quite a saving.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 …
... The decompressor would have 44 bytes, including this:
[ ... The decompressor would have 43 bytes, including this:
[ ... The decompressor would have 47 bytes, including this:
[ ... bits). The decompressor would have 48 bytes, including this:
[ ...Raising to the powerA curiosity of ZX Basic I found yesterday is that you can't do this: [code] 10 LET x=-3 20 LET y=x^2 [/code] While you can for example do LET y=-3^…
... the function adds an extra 48 bytes to the stack.Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…
... /> Each multicolor 8x2 tile takes 48 bytes. We will need the following ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... row 6
BYTSROW = 32 ; bytes per screen row
;; total "free" space is 48 bytes.
;;
;; tomaz stih, thu ...New NIRVANA+ feature: wide tiles!The size of each bicolor tile in [b]NIRVANA+[/b] is 2x2 characters (16x16 pixels), like this: [img]http://i60.tinypic.com/mw358y.png[/img] [i]* M…
... contains pixels stored horizontally (3x16=48 bytes), followed by bicolor attributes also ... stored horizontally (3x8=24 bytes). Notice it's different from ...Creating a POK from RAM or binary.Don't know if this is the right category or not but here goes. I'm working on a bug fix for a game, it's a few hundred bytes worth of custom code …
... , although I was only changing 48 bytes. I The short story is ... the normal code, change the bytes and call RAND USR. Time ...Welcome to the Matrix!Ok here's something I been playing with while I'm at work and on public transport. I'm thinking I want to be able to move the large letters around th…
... you remove frees up six bytes (including one for the REM ... line number always occupies two-bytes, regardless of value:
[ ... br /> [/code]
Occupies 57 bytes and takes 1647.1 frames ... n
[/code]
Occupies 48 bytes and takes 1644.8 frames ...Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
[quote="Einar Saukas;904575"]Bugfixes added to ZXDB, thank you!!![/quote]
Next to go is buffer overflow fix. There are 32 + 48 bytes free, I think it is possible to implement.Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... a plasma table of only 48 bytes. I'm sure I've ...
