uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit 2560216ed098265413270e47569b2ee07e963160
parent 8212ca5edb55a28976515a73fcb454f18eb44a09
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date:   Sun, 21 Jan 2024 08:39:29 -0800

(hilbert) Housekeeping

Diffstat:
Mprojects/examples/demos/hilbert.tal | 69+++++++++++++++++++++++++++++----------------------------------------
1 file changed, 29 insertions(+), 40 deletions(-)

diff --git a/projects/examples/demos/hilbert.tal b/projects/examples/demos/hilbert.tal @@ -3,63 +3,52 @@ |0100 +@on-reset ( -> ) + ( | theme ) #6f0b .System/r DEO2 #7f0a .System/g DEO2 #8e0a .System/b DEO2 - ( screen size ) + ( | screen size ) #00c0 - DUP2 .Screen/width DEO2 - .Screen/height DEO2 - ( vector ) + ( ) DUP2 .Screen/width DEO2 + ( ) .Screen/height DEO2 + ( | vector ) ;on-frame .Screen/vector DEO2 - -BRK + BRK @on-frame ( -> ) - - [ LIT2 &f $2 ] INC2k ,&f STR2 - INC2k d2xy ROT2 d2xy #01 <draw-line> - -BRK + [ LIT2 &f $2 ] STH2k INC2 DUP2 ,&f STR2 + d2xy STH2r d2xy #01 <draw-line> + BRK @d2xy ( d* -- x* y* ) - ,&t STR2 #0000 - DUP2 ,&x STR2 - ,&y STR2 - #2001 - &l - #00 OVR STH2 - [ LIT2 &t $2 ] - DUP2 DUP2 #01 SFT2 #0001 AND2 DUP2 ,&rx STR2 - EOR2 #0001 AND2 ,&ry STR2 - #02 SFT2 ,&t STR2 - [ LIT2 &x $2 ] [ LIT2 &y $2 ] [ LIT2 &rx $2 ] [ LIT2 &ry $2 ] - STH2kr rot - STH2kr ,&ry LDR2 MUL2 ADD2 ,&y STR2 - STH2r ,&rx LDR2 MUL2 ADD2 ,&x STR2 - DUP ADD GTHk ?&l + ( ) DUP2 ,&x STR2 + ( ) ,&y STR2 + #2001 &l #00 OVR STH2 + [ LIT2 &t $2 ] + ( ) DUP2 DUP2 #01 SFT2 #0001 AND2 DUP2 ,&rx STR2 + ( ) EOR2 #0001 AND2 ,&ry STR2 + ( ) #02 SFT2 ,&t STR2 + [ LIT2 &x $2 ] [ LIT2 &y $2 ] [ LIT2 &rx $2 ] [ LIT2 &ry $2 ] + ( ) STH2kr rot + ( ) STH2kr ,&ry LDR2 MUL2 ADD2 ,&y STR2 + ( ) STH2r ,&rx LDR2 MUL2 ADD2 ,&x STR2 + DUP ADD GTHk ?&l POP2 - ,&x LDR2 #20 SFT2 #0020 ADD2 - ,&y LDR2 #20 SFT2 #0020 ADD2 - -JMP2r + ( ) ,&x LDR2 #20 SFT2 #0020 ADD2 + ( ) ,&y LDR2 #20 SFT2 #0020 ADD2 JMP2r @rot ( x* y* rx* ry* n* -- x* y* ) - #0001 SUB2 STH2 SWP2 ,&rx STR2 - ORA ?&skipy - [ LIT2 &rx $2 ] #0001 NEQ2 ?&skipx + ORA ?{ + [ LIT2 &rx $2 ] #0001 NEQ2 ?{ ( rx-n-1 ) SWP2 STH2kr SWP2 SUB2 - ( ry-n-1 ) SWP2 STH2kr SWP2 SUB2 - &skipx - ( swap ) SWP2 - &skipy - POP2r - -JMP2r + ( ry-n-1 ) SWP2 STH2kr SWP2 SUB2 } + ( swap ) SWP2 } + POP2r JMP2r @<draw-line> ( x1* y1* x2* y2* color -- ) ,&color STR