replace tabs with spacese
This commit is contained in:
parent
989db7f039
commit
6e3e5f5c81
174
julia.tal
174
julia.tal
|
@ -25,37 +25,37 @@
|
||||||
|
|
||||||
|0100 ( -> )
|
|0100 ( -> )
|
||||||
|
|
||||||
( set colors )
|
( set colors )
|
||||||
#00ff .System/r DEO2
|
#00ff .System/r DEO2
|
||||||
#0ff0 .System/g DEO2
|
#0ff0 .System/g DEO2
|
||||||
#0f0f .System/b DEO2
|
#0f0f .System/b DEO2
|
||||||
|
|
||||||
( set window size )
|
( set window size )
|
||||||
width #10 SFT2 .Screen/width DEO2
|
width #10 SFT2 .Screen/width DEO2
|
||||||
height #10 SFT2 .Screen/height DEO2
|
height #10 SFT2 .Screen/height DEO2
|
||||||
|
|
||||||
( starting c values )
|
( starting c values )
|
||||||
#0630 ;evaluate/cx STA2 #f5e0 ;evaluate/cy STA2
|
#0630 ;evaluate/cx STA2 #f5e0 ;evaluate/cy STA2
|
||||||
|
|
||||||
;on-screen .Screen/vector DEO2
|
;on-screen .Screen/vector DEO2
|
||||||
BRK
|
BRK
|
||||||
|
|
||||||
@on-screen ( -> BRK )
|
@on-screen ( -> BRK )
|
||||||
#0000 DUP2 .Screen/x DEO2 .Screen/y DEO2
|
#0000 DUP2 .Screen/x DEO2 .Screen/y DEO2
|
||||||
draw-julia
|
draw-julia
|
||||||
|
|
||||||
;evaluate/cx LDA2
|
;evaluate/cx LDA2
|
||||||
DUP2 #2000 LTH2 ?&upx
|
DUP2 #2000 LTH2 ?&upx
|
||||||
DUP2 #e000 GTH2 ?&upx
|
DUP2 #e000 GTH2 ?&upx
|
||||||
#0000 ,&dx LDR2 SUB2 ,&dx STR2
|
#0000 ,&dx LDR2 SUB2 ,&dx STR2
|
||||||
&upx [ LIT2 &dx 0080 ] ADD2 SWP2 STA2
|
&upx [ LIT2 &dx 0040 ] ADD2 SWP2 STA2
|
||||||
|
|
||||||
;evaluate/cy LDA2k
|
;evaluate/cy LDA2k
|
||||||
DUP2 #2000 LTH2 ?&upy
|
DUP2 #2000 LTH2 ?&upy
|
||||||
DUP2 #e000 GTH2 ?&upy
|
DUP2 #e000 GTH2 ?&upy
|
||||||
#0000 ,&dy LDR2 SUB2 ,&dy STR2
|
#0000 ,&dy LDR2 SUB2 ,&dy STR2
|
||||||
&upy [ LIT2 &dy 0080 ] ADD2 SWP2 STA2
|
&upy [ LIT2 &dy 0040 ] ADD2 SWP2 STA2
|
||||||
BRK
|
BRK
|
||||||
|
|
||||||
( logical width )
|
( logical width )
|
||||||
@width ( -> w* )
|
@width ( -> w* )
|
||||||
|
@ -67,28 +67,28 @@
|
||||||
|
|
||||||
( draw the julia set using 4.12 fixed point numbers )
|
( draw the julia set using 4.12 fixed point numbers )
|
||||||
@draw-julia ( -> )
|
@draw-julia ( -> )
|
||||||
XMAX XMIN SUB2 width DIV2 ,&dx STR2 ( ; &dx<-{xmax-min}/width )
|
XMAX XMIN SUB2 width DIV2 ,&dx STR2 ( ; &dx<-{xmax-min}/width )
|
||||||
YMAX YMIN SUB2 height DIV2 ,&dy STR2 ( ; &dy<-{ymax-ymin}/height )
|
YMAX YMIN SUB2 height DIV2 ,&dy STR2 ( ; &dy<-{ymax-ymin}/height )
|
||||||
[ LIT2 01 -Screen/auto ] DEO ( ; auto<-1 )
|
[ LIT2 01 -Screen/auto ] DEO ( ; auto<-1 )
|
||||||
LIT2r 8000 ( [8000] )
|
LIT2r 8000 ( [8000] )
|
||||||
YMAX YMIN ( ymax* ymin* [8000] )
|
YMAX YMIN ( ymax* ymin* [8000] )
|
||||||
&yloop ( ymax* y* [8000] )
|
&yloop ( ymax* y* [8000] )
|
||||||
XMAX XMIN ( ymax* y* xmax* xmin* [8000] )
|
XMAX XMIN ( ymax* y* xmax* xmin* [8000] )
|
||||||
&xloop ( ymax* y* xmax* x* [8000] )
|
&xloop ( ymax* y* xmax* x* [8000] )
|
||||||
ROT2k evaluate ( ymax* y* xmax* x* xmax* count^ [8000] )
|
ROT2k evaluate ( ymax* y* xmax* x* xmax* count^ [8000] )
|
||||||
draw-px POP2 ( ymax* y* xmax* x* [8000] )
|
draw-px POP2 ( ymax* y* xmax* x* [8000] )
|
||||||
[ LIT2 &dx $2 ] ADD2 ( ymax* y* xmax* x+dx* [8000] )
|
[ LIT2 &dx $2 ] ADD2 ( ymax* y* xmax* x+dx* [8000] )
|
||||||
OVR2 STH2kr ADD2 ( ymax* y* xmax* x+dx* 8000+xmax* [8000] )
|
OVR2 STH2kr ADD2 ( ymax* y* xmax* x+dx* 8000+xmax* [8000] )
|
||||||
OVR2 STH2kr ADD2 ( ymax* y* xmax* x+dx* 8000+xmax* 8000+x+dx* [8000] )
|
OVR2 STH2kr ADD2 ( ymax* y* xmax* x+dx* 8000+xmax* 8000+x+dx* [8000] )
|
||||||
GTH2 ?&xloop ( ymax* y* xmax* x+dx* [8000] )
|
GTH2 ?&xloop ( ymax* y* xmax* x+dx* [8000] )
|
||||||
POP2 POP2 ( ymax* y* [8000] )
|
POP2 POP2 ( ymax* y* [8000] )
|
||||||
#0000 .Screen/x DEO2 ( ymax* y* [8000] ; sc/x<-0 )
|
#0000 .Screen/x DEO2 ( ymax* y* [8000] ; sc/x<-0 )
|
||||||
.Screen/y ;inc2 adjust ( ymax* y* [8000] ; sc/y<-sy+1 )
|
.Screen/y ;inc2 adjust ( ymax* y* [8000] ; sc/y<-sy+1 )
|
||||||
[ LIT2 &dy $2 ] ADD2 ( ymax* y+dy* [8000] )
|
[ LIT2 &dy $2 ] ADD2 ( ymax* y+dy* [8000] )
|
||||||
OVR2 STH2kr ADD2 ( ymax* y+dy* 8000+ymax* [8000] )
|
OVR2 STH2kr ADD2 ( ymax* y+dy* 8000+ymax* [8000] )
|
||||||
OVR2 STH2kr ADD2 ( ymax* y+dy* 8000+ymax* 8000+y+dy* [8000] )
|
OVR2 STH2kr ADD2 ( ymax* y+dy* 8000+ymax* 8000+y+dy* [8000] )
|
||||||
GTH2 ?&yloop ( ymax* y+dy* [8000] )
|
GTH2 ?&yloop ( ymax* y+dy* [8000] )
|
||||||
POP2 POP2 POP2r JMP2r ( )
|
POP2 POP2 POP2r JMP2r ( )
|
||||||
|
|
||||||
( dithering pattern for 2x2 pixels: )
|
( dithering pattern for 2x2 pixels: )
|
||||||
( )
|
( )
|
||||||
|
@ -98,44 +98,44 @@
|
||||||
( |[p+3]/4 [px+1]/4| )
|
( |[p+3]/4 [px+1]/4| )
|
||||||
( |[p+0]/4 [px+2]/4| )
|
( |[p+0]/4 [px+2]/4| )
|
||||||
@draw-px ( px^ -> )
|
@draw-px ( px^ -> )
|
||||||
INCk INCk INC ( p+0 p+1 p+3 )
|
INCk INCk INC ( p+0 p+1 p+3 )
|
||||||
draw-quad draw-quad ( p+0 ; draw NW, NE )
|
draw-quad draw-quad ( p+0 ; draw NW, NE )
|
||||||
.Screen/y ;inc1 adjust ( ; y<-y+1 )
|
.Screen/y ;inc1 adjust ( ; y<-y+1 )
|
||||||
.Screen/x ;sub2 adjust ( ; x<-x-2 )
|
.Screen/x ;sub2 adjust ( ; x<-x-2 )
|
||||||
INCk INC SWP ( p+2 p+0 )
|
INCk INC SWP ( p+2 p+0 )
|
||||||
draw-quad draw-quad ( ; draw SW, SE )
|
draw-quad draw-quad ( ; draw SW, SE )
|
||||||
.Screen/y ;sub1 !adjust ( ; y<-y-1 )
|
.Screen/y ;sub1 !adjust ( ; y<-y-1 )
|
||||||
|
|
||||||
( draw one quadrant of a 2x2 area )
|
( draw one quadrant of a 2x2 area )
|
||||||
@draw-quad ( p^ -> )
|
@draw-quad ( p^ -> )
|
||||||
#02 SFT .Screen/pixel DEO JMP2r ( ; pixel<-p/4 )
|
#02 SFT .Screen/pixel DEO JMP2r ( ; pixel<-p/4 )
|
||||||
|
|
||||||
( evaluate the julia function at one point )
|
( evaluate the julia function at one point )
|
||||||
@evaluate ( x* y* -> count^ )
|
@evaluate ( x* y* -> count^ )
|
||||||
LIT2r 20 00 ( x* y* [20 00] )
|
LIT2r 20 00 ( x* y* [20 00] )
|
||||||
&loop ( x1* y1* [20 n^] )
|
&loop ( x1* y1* [20 n^] )
|
||||||
OVR2 square STH2 ( x1* y1* [20 n^ xx1*] )
|
OVR2 square STH2 ( x1* y1* [20 n^ xx1*] )
|
||||||
DUP2 square STH2 ( x1* y1* [20 n^ xx1* yy1*] )
|
DUP2 square STH2 ( x1* y1* [20 n^ xx1* yy1*] )
|
||||||
ADD2kr STH2r ( x1* y1* xx1+yy1* [20 n^ xx1* yy1*] )
|
ADD2kr STH2r ( x1* y1* xx1+yy1* [20 n^ xx1* yy1*] )
|
||||||
#4000 GTH2 ?&end2 ( x1* y1* [20 n^ xx1* yy1*] )
|
#4000 GTH2 ?&end2 ( x1* y1* [20 n^ xx1* yy1*] )
|
||||||
smul2 DUP2 ADD2 ( 2x1y1* [20 n^ xx1* yy1*] )
|
smul2 DUP2 ADD2 ( 2x1y1* [20 n^ xx1* yy1*] )
|
||||||
LIT2 [ &cy $2 ] ADD2 ( y2=2x1y1+cy* [20 n^ xx1* yy1*] )
|
LIT2 [ &cy $2 ] ADD2 ( y2=2x1y1+cy* [20 n^ xx1* yy1*] )
|
||||||
SUB2r STH2r ( y2* xx1-yy1* [20 n^] )
|
SUB2r STH2r ( y2* xx1-yy1* [20 n^] )
|
||||||
LIT2 [ &cx $2 ] ADD2 ( y2* x2=xx1-yy1+cx* [20 n^] )
|
LIT2 [ &cx $2 ] ADD2 ( y2* x2=xx1-yy1+cx* [20 n^] )
|
||||||
SWP2 INCr GTHkr STHr ?&loop ( x2* y2* [20 n+1^] )
|
SWP2 INCr GTHkr STHr ?&loop ( x2* y2* [20 n+1^] )
|
||||||
!&end1 ( x2* y2* [20 n+1^] )
|
!&end1 ( x2* y2* [20 n+1^] )
|
||||||
&end2 POP2r POP2r ( x* y* [20 count^] )
|
&end2 POP2r POP2r ( x* y* [20 count^] )
|
||||||
&end1 POP2 POP2 NIPr STHr JMP2r ( count^ )
|
&end1 POP2 POP2 NIPr STHr JMP2r ( count^ )
|
||||||
|
|
||||||
( is x a non-negative signed value? )
|
( is x a non-negative signed value? )
|
||||||
@non-negative ( x* -> x* x>=0^ )
|
@non-negative ( x* -> x* x>=0^ )
|
||||||
DUP2 #8000 LTH2 JMP2r
|
DUP2 #8000 LTH2 JMP2r
|
||||||
|
|
||||||
( multiply two signed 4.12 fixed point numbers )
|
( multiply two signed 4.12 fixed point numbers )
|
||||||
@smul2 ( a* b* -> ab* )
|
@smul2 ( a* b* -> ab* )
|
||||||
LIT2r 0001 non-negative ?{ negate SWPr } ( a* |b|* [sign*] )
|
LIT2r 0001 non-negative ?{ negate SWPr } ( a* |b|* [sign*] )
|
||||||
SWP2 non-negative ?{ negate SWPr } ( |b|* |a|* [sign*] )
|
SWP2 non-negative ?{ negate SWPr } ( |b|* |a|* [sign*] )
|
||||||
smul2-pos STHr ?{ negate } POPr JMP2r ( ab* )
|
smul2-pos STHr ?{ negate } POPr JMP2r ( ab* )
|
||||||
|
|
||||||
( multiply two non-negative fixed point numbers )
|
( multiply two non-negative fixed point numbers )
|
||||||
( )
|
( )
|
||||||
|
@ -147,36 +147,36 @@
|
||||||
( y = a1b0 >> 4 )
|
( y = a1b0 >> 4 )
|
||||||
( z = a0b1 >> 4 )
|
( z = a0b1 >> 4 )
|
||||||
@smul2-pos ( a* b* -> ab* )
|
@smul2-pos ( a* b* -> ab* )
|
||||||
aerate ROT2 aerate ( b0* b1* a0* a1* )
|
aerate ROT2 aerate ( b0* b1* a0* a1* )
|
||||||
STH2 ROT2k STH2 MUL2r ( b0* b1* a0* b1* a0* [a1b0*] )
|
STH2 ROT2k STH2 MUL2r ( b0* b1* a0* b1* a0* [a1b0*] )
|
||||||
MUL2 STH2 ADD2r ( b0* b1* a0* [a1b0+a0b1*] )
|
MUL2 STH2 ADD2r ( b0* b1* a0* [a1b0+a0b1*] )
|
||||||
NIP2 MUL2 #07ff min #40 SFT2 ( a0b0* [y+z*] )
|
NIP2 MUL2 #07ff min #40 SFT2 ( a0b0* [y+z*] )
|
||||||
STH2r #04 SFT2 ADD2 ( x* [y+z*] )
|
STH2r #04 SFT2 ADD2 ( x* [y+z*] )
|
||||||
#7fff !min ( ab* )
|
#7fff !min ( ab* )
|
||||||
|
|
||||||
( equivalent to DUP2 smul2 but faster )
|
( equivalent to DUP2 smul2 but faster )
|
||||||
@square ( a* -> aa* )
|
@square ( a* -> aa* )
|
||||||
non-negative ?{ negate } ( |a|* )
|
non-negative ?{ negate } ( |a|* )
|
||||||
aerate ( 00 ahi^ 00 alo^ )
|
aerate ( 00 ahi^ 00 alo^ )
|
||||||
OVR2 MUL2 #03 SFT2 SWP2 ( yz* ahi* )
|
OVR2 MUL2 #03 SFT2 SWP2 ( yz* ahi* )
|
||||||
DUP2 MUL2 #07ff min #40 SFT2 ( x* yz* )
|
DUP2 MUL2 #07ff min #40 SFT2 ( x* yz* )
|
||||||
ADD2 #7fff !min ( aa* )
|
ADD2 #7fff !min ( aa* )
|
||||||
|
|
||||||
( update a device d^ given a function f: x* -> f[x]* )
|
( update a device d^ given a function f: x* -> f[x]* )
|
||||||
@adjust ( d^ f* -> )
|
@adjust ( d^ f* -> )
|
||||||
STH2 DEI2k STH2r JSR2 ROT DEO2 JMP2r
|
STH2 DEI2k STH2r JSR2 ROT DEO2 JMP2r
|
||||||
|
|
||||||
( return the minimum of two non-negative numbers. )
|
( return the minimum of two non-negative numbers. )
|
||||||
@min ( x* y* )
|
@min ( x* y* )
|
||||||
GTH2k [ JMP SWP2 ] NIP2 JMP2r
|
GTH2k [ JMP SWP2 ] NIP2 JMP2r
|
||||||
|
|
||||||
( convert each byte of a a short into a short )
|
( convert each byte of a a short into a short )
|
||||||
@aerate ( x* -> 00 xhi^ 00 xlo^ )
|
@aerate ( x* -> 00 xhi^ 00 xlo^ )
|
||||||
SWP #0000 ROT SWP2 SWP JMP2r
|
SWP #0000 ROT SWP2 SWP JMP2r
|
||||||
|
|
||||||
( negate a fixed point number. doesn't work for #8000 )
|
( negate a fixed point number. doesn't work for #8000 )
|
||||||
@negate ( x* -> -x* )
|
@negate ( x* -> -x* )
|
||||||
DUP2k EOR2 SWP2 SUB2 JMP2r
|
DUP2k EOR2 SWP2 SUB2 JMP2r
|
||||||
|
|
||||||
( useful arithmetic operations )
|
( useful arithmetic operations )
|
||||||
@inc2 ( n* -> n+2* ) INC2
|
@inc2 ( n* -> n+2* ) INC2
|
||||||
|
|
Loading…
Reference in New Issue