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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 …
... LET X(I) = COS ALPHA: LET Y(I) = SIN ALPHA
210 ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... shorter still. I like SIN PI for 0, COS PI for -1 ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... shorter still. I like SIN PI for 0, COS PI for -1 ... -
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…
...
defw x80_fsin ; sin
defw x80_fcos ; cos
defw x80_ftan ; tan ... -
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…
... ; sin (pi*w/2) = sin x (or = cos x)
fce ; sin x (or cos ... ; x, sin x
fxch ; sin x, cos x
fcos ; sin x/cos x ... -
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…
... ; x, y, y * w * sin f, cos f
fgt 2 ; x ... , y, y * w * sin f, cos f, x * w
fmul ... ; x, y, y * w * sin f, cos f * x * w
fadd ... ; x, y, y * w * sin f + cos f * x * w = u
fadd ; un-1 * sin(g/A) + vn-1 * cos(g/A) = vn ... -
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…
... np: LET p(a,1)=SIN(a*360/np)*(r)+xc ... : LET p(a,2)=COS(a*360/np)*(r)+yc ... -
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 …
... (x,y,r)=x*COS r-y*SIN r
4 DEF ... (x,y,r)=x*SIN r+y*COS r
5 DEF ... -
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 …
... :
[code]
x2 = cos ? * (x1-x0) - sin ? * (y1-y0) + x0
y2 = sin ? * (x1-x0) + cos ? * (y1-y0) + y0
COS r-(y-y0)*SIN r+x0
SIN r+(y-y0)*COS r+y0
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 …
... 't change also stash the SIN and COS in a variable instead ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... ", "ASN", "ATN", "ATTR", "CHR$", "CODE", "COS", "EXP", "FN", "INKEY$", "INT",
SIN", "SQR", "STR$", "TAN", "TO", "USR ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... ", "ASN", "ATN", "ATTR", "CHR$", "CODE", "COS", "EXP", "FN", "INKEY$", "INT",
"SGN", "SIN", "SQR", "STR$", "TAN", "TO", "USR ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... the argument X of SIN X or COS X into a value ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... 'd been using [B]sin[/B] and [B]cos[/B] to plot ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... 'd been using [B]sin[/B] and [B]cos[/B] to plot ...So shooting 360 degrees?...[I]How do I go about having - for example - a cannon in the middle of the screen, that can shoot in any direction towards the player?[/I] Well, I do…
... using precalculated tables to calculate sin and cos, but that seems a ...So shooting 360 degrees?...[I]How do I go about having - for example - a cannon in the middle of the screen, that can shoot in any direction towards the player?[/I] Well, I do…
... using precalculated tables to calculate sin and cos, but that seems a ...So shooting 360 degrees?...[I]How do I go about having - for example - a cannon in the middle of the screen, that can shoot in any direction towards the player?[/I] Well, I do…
... every direction, worked out with SIN and COS. If you like, you ...maths questionNB this will probably show what a tragically low level understanding of maths I have, but hey ho :-) for some reason the other day I suddenly remem…
... />
[code]
sin x = x - x^3/3 ... - x^7/7! + ....
cos x = 1 - x^2/2 ... calculator instead of pressing "sin" or "cos" you can get the ... need fewer terms for computing sin (1.1) to ... summation of harmonically related sin and cos waves. When people talk ...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…
... , atan, atan2, atof, ceil, compare, cos, cosh.c, dadd, dcompar, ddiv ... , pushfa, rand, rshift, seed, sgn, sin, sinh, sqrt, tan, tanh, ufloat ...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…
... , atan, atan2, atof, ceil, compare, cos, cosh.c, dadd, dcompar, ddiv ... , pushfa, rand, rshift, seed, sgn, sin, sinh, sqrt, tan, tanh, ufloat ...Coping with life.Does anyone else find that in the modern world we live information overload is an overwhelming problem? I feel this right now. It's like I have so mu…
... to be a spaceship pilot. cos when I was going to ... astronaut training because of artificial gravity making it like flying a ...Coping with life.Does anyone else find that in the modern world we live information overload is an overwhelming problem? I feel this right now. It's like I have so mu…
... to be a spaceship pilot. cos when I was going to ... astronaut training because of artificial gravity making it like flying a ...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]…
... ATN ATTR BIN CHR$ CODE COS EXP FN IN INKEY$ INT ... PEEK PI POINT SCREEN$ SGN SIN SQR STR$ TAB TAN USR ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
... w-180 LET dx=COS pla,dy=SIN pla90 LET cx=2 ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
... w-170 LET dx=COS pla,dy=SIN pla80 LET cx=2 ...ZX Basic StoryOk so here's another mundane idea. Let's make a story, like the three word story but you are only allow to used the words letters or symbols provided…
... RUN,OPEN# BIN, OPEN# FOR SIN,LEN INPUT VAL$ NEW CAT ... BIN.VAL AND LEN CONTINUE SIN,VAL$ ABS FLASH AND POKE ... IN BIN ON BRIGHT PAPER COS VAL$ DIM, VAL NOT READ ...Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... in math48, sin is computed with a series but cos is computed ... as sin(pi/2-x ... =tau is used is in sin where the argument is kept ...
