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need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... - 8 pixels shift left
256 - 1 pixel shift right
256 - 2 pixels shift right
256 - 3 pixels shift right ... - 7 pixels shift right
256 - 8 pixels shift right[/code]
[quote ... -
Slightly OT : Xbox emulationI'm interested if anyone here uses a modded Xbox for emulation purposes. I like the idea of using a console rather than a PC for playing games, but I…
... DNS servers blank.
Scroll right to the bottom of the ... -
how to finish BlackbeardThis is a fine Gauntlet-style game, great graphics. just I cannot reach the end. Its supposed I must to destroy the pass with the cannon, open all ye…
... good graphics, a very good 8-way scroll. Its character based but ... -
Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
... up with an 8 byte fix (It was 1 byte off having the ... room to make a 1 byte fix) even though the ending ... -
Games as Spy Hunter?Please, recommend me a game as LED Storm, Action Fighter, Spy Hunter. Thank you! _________________ Sorry for bad English. Good Luck! [ This Messag…
No, Supercars is a kind of SuperSprint but with weapons and 8-ways scroll.
It worths to look on SupercarsII on Amiga. A classic amazing in 2 players mode. -
What control keys for Jungle Trouble?I feel a bit embarrassed asking this,but what are the correct control keys for playing Jungle Trouble? I've managed to find the left and right but no…
... or Strike Monkey
8 or Cursor Right - Right or Chop Tree
First go as far right as possible to collect your ... -
ZX FontHelo. Can someone tell me the font on the PC which is the closest to the Speccy one? Thanks.
go to the utilities page [url="http://www.worldofspectrum.org/utilities.html"]here[/url]
scroll right down to the bottom
and click on 'spectrum true type font' -
durell software....remember them?Just been chatting to a m8 of mine who works for what was Durell Software - now Durell Solutions, and he told me of a sequel to the old 80's classic …
... for ?jump??
5/8 is left/right - that?s all I ... -
durell software....remember them?Just been chatting to a m8 of mine who works for what was Durell Software - now Durell Solutions, and he told me of a sequel to the old 80's classic …
... for ?jump??
5/8 is left/right - that?s all I ... -
Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... binary I could have an 8 byte buffer to store the 0 ... -
z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... to insert a constant mask byte that can be hand-edited ... -colour" mode where each pixel byte can have a unique attribute ... tiles - a single byte identifier associated with an 8-byte attr "UDG" in ... -
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…
... background tile to an 8-byte pixel buffer and ... a 1-byte attribute buffer. Then ... for 2-byte graphical definition else 1-byte, bits 2 ...
uchar res0; // +8 "LD A,n" opcode
8-14 contains some embedded ... -
Background image with SP1 and Z88DKWhat is the prefered way to place an entire (or very large) image in the background when using SP1? Should I convert it to a long (32*24=768 ) list o…
... also 26,28)
; 8 left
; 9 right
; 10 up ... in "ps" will be advanced right one character. If the xwrap ... -
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... that Knight Lore and Alien 8 have been disassembled and their ... can sift through it. Alien 8's engine is definitely quicker ... Knight Lore's version. Alien 8 has a "linear screen buffer ... are completely drawn in an 8-byte buffer and the final version ... -
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... that Knight Lore and Alien 8 have been disassembled and their ... can sift through it. Alien 8's engine is definitely quicker ... Knight Lore's version. Alien 8 has a "linear screen buffer ... are completely drawn in an 8-byte buffer and the final version ... -
The best ever side scroller on the Speccy.We've seen a lot of threads on this so why not a poll! :) Zynaps by far is the best imo! It's got the colours, the quality and polish, the smooth sc…
... has got a very good 8-way scroll, big sprites, great sounds ... -
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..…
... between screen 1 and 8 (to the right of it in the ... -
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..…
... byte tile, 2nd byte top left of tile, 3rd byte top right, 4th byte ... bottom left, 5th byte ... bottom right. ... , $00 ; below eol platform right
defb $95, $01 ... -
Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
...
ld b,8 ;8 lines of char need to ... sla a ;account for 2 byte per address
add a ... hl ;hl now holds the 8 byte aligned scrn address
... with each address representing a 8 byte aligned Y address. The ... -
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…
... /> inc e ;point to right byte of right edge
xor $ff ... ;invert byte graphic
ld (hl ... ;print right byte of right edge
ld (de),a ;print right byte of ... dec e ;point to left byte, right edge
pop bc ;load ... -
8 pixel scrollingJust been playing Gunrunner (always forget how much I love this game, probs cos it's VERY hard) and wondered what other games use 8 pixel scrolling A…
Thundercats had 8 pixel-scroll in the actual play area, so it was a tad jerky but still okay. Also nice to see it having a bit of parallax. -
8 pixel scrollingJust been playing Gunrunner (always forget how much I love this game, probs cos it's VERY hard) and wondered what other games use 8 pixel scrolling A…
... of TMG;269390]Thundercats had 8 pixel-scroll in the actual play ... probably the best example of 8 pixel scrolls working well, and ... -
8 pixel scrollingJust been playing Gunrunner (always forget how much I love this game, probs cos it's VERY hard) and wondered what other games use 8 pixel scrolling A…
One game that had 8-pixel scroll when it "shouldn't have" ... -
Joysticks on Amstrad boardsNever mind the oddly wired connectors for this post... as we all know, the joystick ports on the +2 and +3 are Sinclair Interface II equivalents. Is…
... uses 6/7 for left/right, 8/9 for up/down, and ... contrast, Cursor uses 5/8 for left/right, 6/7 for up ... onto the database when the right address/control signals are received ... be much easier.
Right... hope that covered it... I ... -
Joysticks on Amstrad boardsNever mind the oddly wired connectors for this post... as we all know, the joystick ports on the +2 and +3 are Sinclair Interface II equivalents. Is…
... uses 6/7 for left/right, 8/9 for up/down, and ... contrast, Cursor uses 5/8 for left/right, 6/7 for up ... be much easier.
Right... hope that covered it... I ... left port - 6,7,8,9,0 by default, or ... it at switch-on. The right port was always simultaneous 1 ... -
come to my budoiroh, my! [URL="http://www.youtube.com/watch?v=AOzkN8dHnjk"]this[/URL]´s great! :grin: (warning: video @ youtube link)
... there at first 8)
you?re right, warning edit made ... -
** New Game In Development **As one or two of you may already know, Jonathan (Joffa) Smith is currently developing a brand new Spectrum game. The program is called 'SAUCER' It'…
... much easier than for 8 bits computer right? Its a pity that ... -
** New Game In Development **As one or two of you may already know, Jonathan (Joffa) Smith is currently developing a brand new Spectrum game. The program is called 'SAUCER' It'…
... much easier than for 8 bits computer right? Its a pity that ... -
AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... s version, chopping the 100 byte header off the tracks (what ... .6 format (without the 064h byte header)
org 61660 ... /> AR_Mixer equ 7;byte 1
AR_AmplA equ 8;byte 1
AR_AmplB ... equ 9;byte 1
AR_AmplC equ 10;byte ...
