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Help! Reverse engineering a Spectrum game[deleted]
... look into 'state machines' and 'draw lists' for controlling sprites/objects ... window
17 - A line draw routine, optimised when drawing one ... calculating velocity, gravity, rotation and SIN/COS
20 - A fast ... -
Help! Reverse engineering a Spectrum game[deleted]
... ]
17 - A line draw routine, optimised when drawing one ... calculating velocity, gravity, rotation and SIN/COS
[B]You can ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... /> 80 LET v=y+r*SIN (t+i*2*PI/n ... ,v: GOTO 110
100 DRAW u-PEEK 23677, v-PEEK ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... ):
LET v=y+r*SIN(t+i*2*PI/n ... /> GO TO 120
110 DRAW TO u,v,b
What is Green Jesus Day?It's in the event list for today.. (I didn't even know there was an events list!) Is it an in-joke/regional joke or just something I've never heard …
... be to colour in or draw a picture of Jesus in ... .cpcache.com/product/sunday-spirit-sin/362217581v1_225x225_Front.jpg[/img][img]http ...Recursive 4-way floodfillHi guys) Shortly, I wanna find out whether there's a way to some object. Perhaps some of you have already encountered such an issue which is relativ…
... 1000 (CIRCLE) and 2000 (DRAW). Then, the boundary rectabgle that ... /> LET y2=88+50*SIN i:
GO SUB ... br /> LET y2=88+50*SIN (i+PI/12):
... br /> LET y1=88+50*SIN (i+PI/12):
... br /> LET y1=88+30*SIN (i+PI/12):
...Fao dmboozefreekIf you've been following the news recently, you know that even Mr. DMBooze Freek's horoscope says he's cocky. However, you might not know that DMBooz…
... of his pr?cis and draw your own conclusions on the ... there's no shortage of sin in the world today. It ...Newbie question about my unwell Spectrum...Hi - I have had a couple of dud 48K Issue 3 Spectrums in the loft for 20 years or more. One would initialise sometimes but could not be guaranteed t…
... guess someone committed the unforgivable sin and did not switch off ... we'll call it a draw. I've tried boot polish ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... br />
As mentioned, DRAW can't be used to ... draw an ellipse, as the DRAW curves are ... DRAW anyway. Hah! It's quicker and more accurate than the SIN ... the ellipse drawn entirely with DRAW (a single starting PLOT ... PLOT i,y+iy: DRAW p-i,ip-(y+iy ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... -ix*ix/h2))+.5):
DRAW i-p,iy-ip: LET ... ellipse is oblate then the SIN/COS loop is quicker, although ... doing less PLOTs and using DRAW to "join the dots", as ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... (0.5+y+v*SIN i):
DRAW m-p,n-q ... a=0.2: LET s=SIN (a): LET c=COS (a ... *COS (i): LET dy=v*SIN (i):
LET m=INT ... +dx*s+dy*c):
DRAW m-p,n-q:
Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... when combining the SIN/COS plot calculation with DRAW, in that the ... the square root formula I draw the ellipse in two halves ... is more accurate than the SIN/COS method, but it is ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... a=0.0: LET s=SIN (a): LET c=COS (a ... *COS (i): LET dy=v*SIN (i):
LET m=INT ... +dx*s+dy*c):
DRAW m-p,n-q:
SIN (i*PI/12): NEXT i
REM Draw
LET a=0.2: LET s=SIN (a): LET ... +v*s(i)*c):
DRAW m-p,n-q:
Sam CoupeI am very interested in the Sam Coupe but I wanted to ask a lot of questions about it. Do anyone here use one a lot and are there any Sam Coupe foru…
... /> 60 PLOT 128,88-15: DRAW 15,15,PI/2
DRAW 4,4,PI/4
SIN (n*mul)
190 SCREEN ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... /> REM Setup
LET s=SIN (PI/8): LET c=COS ... (PI/8): LET s3=SIN (3*PI/8): LET c3 ... ,dyv,ha:
DRAW -dxm,dym,ma:
DRAW -dxh,0,va ... :
DRAW -dxm,-dym,ma ... :
DRAW 0,-dyv,ha:
DRAW dxm,-dym,ma ...BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... ,2,1)
18 DRAW 1,2: DRAW 3,2,1: ERASE ... /> 34 LET a=SGN b+SIN C+SQR d: LET a ...Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
... ) = COS ALPHA: LET Y(I) = SIN ALPHA
210 LET ALPHA ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> fsin ; x, y, sin(g/2)
fmove ; ... x, y, sin(g/2), sin(g/2)
fnot ... 1 ; x, y, sin(g/2), sin(g/2 * A)
sin f
fgt 0 ; x ... calculator
call draw_line ; draw next arc
pop bc ...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…
... each call to a line draw or circle etc which reduces ... np: LET p(a,1)=SIN(a*360/np)*(r)+xc ... (b,2): PLOT x1,y1: DRAW TO x2,y2: NEXT b ...Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... ,r)=x*COS r-y*SIN r
4 DEF FN ... b(x,y,r)=x*SIN r+y*COS r
DRAW a(p2,1)-a(p1 ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... /> "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ... , PI", "POINT", "RND", "SCREEN$", "SGN", "SIN", "SQR", "STR$", "TAN", "TO", "USR ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... /> "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ... ", "POINT", "RND", "SCREEN$",
"SGN", "SIN", "SQR", "STR$", "TAN", "TO", "USR ...ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... , pushfa, rand, rshift, seed, sgn, sin, sinh, sqrt, tan, tanh, ufloat ... are unlikely to need to draw every kind of sprite: masked ...ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... , pushfa, rand, rshift, seed, sgn, sin, sinh, sqrt, tan, tanh, ufloat ... are unlikely to need to draw every kind of sprite: masked ...The 20th comp.sys.sinclair Crap Games Competition thread!Hi all, [SIZE="7"][B][CENTER]ANNOUNCEMENT![/CENTER][/B][/SIZE] The comp.sys.sinclair Crap Games Competition 2015 is now well and truly OPEN! [url]…
... PEEK PI POINT SCREEN$ SGN SIN SQR STR$ TAB TAN USR ... CONTINUE COPY DATA DEF_FN DIM DRAW ERASE FLASH FOR FORMAT GO_SUB ...More SpecBAS funHere's a neat little effect I lifted from a thread about displaylists and stuff from an Amiga forum - although SpecBAS has no hardware to assist, it …
... later, and the offset to draw the graphic at on the ... /> [code]
110 LET c=SIN d*((MOUSEx/SCRw)*8): LET ... e=SIN d*((MOUSEy/SCRh)*8): IF ... whole thing is multiplied by SIN d. This is done for ... width of the screen to draw at that offset. Then ...
