uxn/projects/demos/bifurcan.usm

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(
Bifurcan
Every second, the Labyrinth reorganize itself to display the time.
)
%RTN { JMP2r }
%8+ { #0008 ADD2 }
%2/ { #0002 DIV2 }
%MOD { DUP2 DIV MUL SUB }
%INC { #01 ADD }
%TOS { #00 SWP }
( devices )
|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]
|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &color $1 ]
|90 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &chord $1 ]
|b0 @DateTime [ &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1 ]
( variables )
|0000
@last $1
@style $1
@pointer [ &x $2 &y $2 ]
@center [ &x $2 &y $2 ]
@anchor [ &x $2 &y $2 ]
( program )
|0100 ( -> )
( theme )
#0f3a .System/r DEO2
#0fda .System/g DEO2
#0faa .System/b DEO2
( vectors )
;on-frame .Screen/vector DEO2
;on-mouse .Mouse/vector DEO2
( find center )
.Screen/width DEI2 2/ .center/x POK2
.Screen/height DEI2 2/ .center/y POK2
( background )
;tiles ;cover-pattern JSR2
;redraw JSR2
BRK
@on-frame ( -> )
( only draw once per second )
.DateTime/second DEI .last PEK NEQ #01 JNZ [ BRK ]
.DateTime/second DEI .last POK
;redraw JSR2
BRK
@on-mouse ( -> )
;draw-cursor JSR2
.Mouse/state DEI #00 EQU ,&no-touch JNZ
( incr ) .style PEK INC #03 MOD .style POK
( bg ) ;tiles .style PEK #10 MUL TOS ADD2 ;cover-pattern JSR2
( fg ) ;redraw JSR2
( release ) #00 .Mouse/state DEO
&no-touch
BRK
@redraw ( -- )
( hrs )
[ .center/x PEK2 #0018 SUB2 ]
[ .center/y PEK2 #0048 SUB2 ]
.DateTime/hour DEI #0a DIV ;draw-number JSR2
[ .center/x PEK2 #0008 ADD2 ]
[ .center/y PEK2 #0048 SUB2 ]
.DateTime/hour DEI #0a MOD ;draw-number JSR2
( min )
[ .center/x PEK2 #0018 SUB2 ]
[ .center/y PEK2 #0018 SUB2 ]
.DateTime/minute DEI #0a DIV ;draw-number JSR2
[ .center/x PEK2 #0008 ADD2 ]
[ .center/y PEK2 #0018 SUB2 ]
.DateTime/minute DEI #0a MOD ;draw-number JSR2
( sec )
[ .center/x PEK2 #0018 SUB2 ]
[ .center/y PEK2 #0018 ADD2 ]
.DateTime/second DEI #0a DIV
;draw-number JSR2
[ .center/x PEK2 #0008 ADD2 ]
[ .center/y PEK2 #0018 ADD2 ]
.DateTime/second DEI #0a MOD
;draw-number JSR2
RTN
@draw-number ( x y n -- )
STH
( save pos ) .anchor/y POK2 .anchor/x POK2
#00 #0f
&loop
( save-x ) OVR #03 MOD TOS #0008 MUL2 .anchor/x PEK2 ADD2 .Screen/x DEO2
( save-y ) OVR #03 DIV TOS #0008 MUL2 .anchor/y PEK2 ADD2 .Screen/y DEO2
( get digit* ) OVR DUPr STHr #02 MUL TOS ;digits ADD2 LDA2
( get bit ) ROT #0e SWP SUB TOS SFT2 #0001 AND2
( set tile ) #0008 MUL2 ;tiles ADD2
( set style ) .style PEK #10 MUL TOS ADD2
.Screen/addr DEO2
( draw ) #21 .Screen/color DEO
( incr ) SWP INC SWP
DUP2 LTH ,&loop JNZ
POP2
POPr
RTN
@cover-pattern ( addr -- )
( load ) .Screen/addr DEO2
#0000 .Screen/height DEI2
&ver
( save ) OVR2 .Screen/y DEO2
#0000 .Screen/width DEI2
&hor
( save ) OVR2 .Screen/x DEO2
( draw ) #21 .Screen/color DEO
( incr ) SWP2 8+ SWP2
OVR2 OVR2 LTH2 ,&hor JNZ
POP2 POP2
( incr ) SWP2 8+ SWP2
OVR2 OVR2 LTH2 ,&ver JNZ
POP2 POP2
RTN
@draw-cursor ( -- )
( clear last cursor )
;cursor .Screen/addr DEO2
.pointer/x PEK2 .Screen/x DEO2
.pointer/y PEK2 .Screen/y DEO2
#30 .Screen/color DEO
( record pointer positions )
.Mouse/x DEI2 .pointer/x POK2
.Mouse/y DEI2 .pointer/y POK2
( draw new cursor )
.pointer/x PEK2 .Screen/x DEO2
.pointer/y PEK2 .Screen/y DEO2
( colorize on state )
#31 [ .Mouse/state DEI #00 NEQ ] ADD .Screen/color DEO
RTN
@cursor [
80c0 e0f0 f8e0 1000 ]
@digits [
7b6f 2492 73e7 73cf
5bc9 79cf 49ef 7249
7bef 7bc9 ]
@tiles [
0102 0408 1020 4080
8040 2010 0804 0201
0718 2040 4080 8080
0101 0102 0204 18e0
0808 0810 e304 0808
0808 0804 e310 0808 ]