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How to stop a flickering character erasure?I'm trying to figure out how to build a moving sprite. Eventually it will be made up of several UDG's. However its early days yet so I'm experimentin…
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10 DEFPROC plot1(x,y):PLOT x,y:END PROC
... be done as
10 PLOT 10,10:STOP
< ... br /> or
10 LET x=10:LET y=10:LET ... SUB plot1:STOP
1000 PLOT x,y:RETURN
... />
7100 DEFPROC bolt(x,y,f,spr)
7110 ... -
im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... PLOT x,y
1010 IF NOT POINT (x+1,y) THEN LET x=x ... +1: GO SUB 1000: LET x=x ... -1
1020 IF NOT POINT (x-1,y) THEN LET x=x ... -1: GO SUB 1000: LET x=x ... +1
1030 IF NOT POINT (x, ... IF NOT POINT (x,y-1) THEN ... -
im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
This was from a very old book I used to have.
Set your planet's coords as xc,yc and radius r, then:
[code]
10 FOR y=-r TO r: LET x1=INT(SQR(r*r-y*y)): FOR x=-x1 TO x1: IF INT(RND*x1*2)+1 -
im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... (r*r-y*y)): FOR x=-x1 TO x1: IF INT ... (RND*x1*2)+1=x1+x;x+xc,y+yc
20 ... NEXT x: NEXT y
[/code]
im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
[quote="Dunny;943436"]This was from a very old book I used to have.
Set your planet's coords as xc,yc and radius r, then:
[code]
10 FOR y=-r TO r: LET x1=INT(SQR(r*r-y*y)): FOR x=-x1 TO x1: IF INT(RND*x1*2)+1Ant attack map in usable format?Does anyone have the map from Ant Attack in any kind of format (apart from the format called "the game binary"). I've rewritten the game using a vox…
... ("antattac.sna", "rb");
int x,y,z;
if ... ; z++)
{
unsigned char mask = (0x01A couple of random questions......because, why not? (1) USR0 mode on the +3/+2A/B I know of its existence, I know how it's used, and I have some games that require it to work o…
... statement - say, PLOT x,y,1 for regular PLOT and PLOT x,y,0 instead ...Pseudocode for CIRCLE algorithm?Can anyone provide me with the pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn't up to reading the ROM routine. I'm try…
... /> ;
COORDS equ $5C7D ; Plot x,y values
;
DRAWBRESCIRCLE ... while y > x
;
; Plot the eight sets of ... A
CALL PLOTSUB ; plot Xo + x, Yo + y
... A
CALL PLOTSUB ; plot Xo + x, Yo - y
...CIRCLE Help. Please.Hello. I have been reading the Spectrum Basic programming manual. Chapter 10 - Mathematical Functions - p52 - 53 i am trying to understand circles…
... define variables for the centre (X,Y) and radius R e ... )
[code]5 LET x=128: LET y=88: LET ... : LET s=36
100 PLOT x,y
110 FOR f ... *f*PI/s
130 PLOT x+r*COS (p),y+r ...Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…
... AT 0,12;"Y=";M;"X+";C
75 REM DRAW ...
80 FOR X=0TO 63
90 PLOT X,0
100 ... NEXT X
110 FOR ... Y=0TO 43
120 PLOT 0 ... /> 140 FOR X=0TO 63
150 PLOT X,M*X+C
160 ...Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…
... AT 0,12;"Y=";M;"X+";C
75 REM DRAW ...
80 FOR X=0TO 63
90 PLOT X,0
100 ... NEXT X
110 FOR ... Y=0TO 43
120 PLOT 0 ... /> 140 FOR X=0TO 63
150 PLOT X,M*X+C
160 ...ANN: Tipshop updated Sunday, 30 October 2005Sunday 30 October 2005 Crivvens! What an indecently massive load of stuff this month - a veritable feast of tips, maps, POKEs and complete solutions.…
... Escape, The , Gunpowder, Treason and Plot , Gyron Atrium ,
Hacker ...
Prisoner, The , Project-X: The Micro Man , Prophecy, The ... Snow Joke! ,
Solvaldol-X , Souls Of Darkon , Spaceman Bob ... ,
I Of The Mask , Knight Ghost , Kosmic Kanga , ...Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... Mode 3
o Screen Plot improved a bit, should be ... be now dropped on Retro-X Icon or starting window to ...Games sale clean-out...Having a clean-out, and are selling the titles below... PM me if you're interested in any of them. Unsure of any particular prices - make me an off…
... /> Games:
Agent X
Agent X 2
Arkanoid
Helichopper
I of the Mask
Impossaball
Jail Break ... /> Pharaohs Tomb
Pippo
Plot, The
Pud Pud
Various game / utility / cover tapes.Having a clean-out - If anybody interested in buying any of the following drop me a PM. Anything not taken by next weekend will go onto eBay. Games…
... /> Games:
Agent X
Agent X 2
Arkanoid
Helichopper
I of the Mask
Impossaball
Jail Break ... /> Pharaohs Tomb
Pippo
Plot, The
Pud Pud
A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... COORDS.
[*]Plot address and pixel mask were being calculated ... ld a, e
DX1: ; x += xi
call __INCX ; ... ld a, e
DX2: ; x += xi
call __INCX ; ... ld a, c ; Current X coord
cp d
SpecBAS 0.718 Now AvailableHi Folks! After an appreciable delay, the latest and (dare I say it?) greatest SpecBAS update is now available. We're moving into modern times with …
... ]
10 DEF STRUCT coord(x,y)
20 LET a ... $=STRUCT coord(x=100,y=100)
30 PLOT a$.x,a$.y ... ]
10 DEF STRUCT coord(x,y)
20 DIM a ... returns files matching a trailing mask properly - ie, CAT "chimes*" matches ...
