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uxn/projects/examples/demos/bifurcan.tal

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Tal
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( Bifurcan )
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|00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
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|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
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|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &wheel $1
|c0 @DateTime &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
|80 @Controller &vector $2 &button $1 &key $1
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|0000
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@last $1
@style $1
@center &x $2 &y $2
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|0100
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@on-reset ( -> )
( | theme )
#0f3a .System/r DEO2
#0fda .System/g DEO2
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#0faa .System/b DEO2
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( | vectors )
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;on-frame .Screen/vector DEO2
;on-mouse .Mouse/vector DEO2
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;on-button .Controller/vector DEO2
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( | find center )
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.Screen/width DEI2 #01 SFT2 .center/x STZ2
.Screen/height DEI2 #01 SFT2 .center/y STZ2
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( | background )
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;tiles <cover-pattern>
<redraw>
BRK
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@on-frame ( -> )
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( | only draw once per second )
.DateTime/second DEI .last LDZ NEQk ?{ POP2 BRK }
.last STZ
POP <redraw>
BRK
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@on-mouse ( -> )
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[ LIT2 00 -Mouse/state ] DEI NEQ #41 ADD ;cursor-icn <update-cursor>
.Mouse/state DEI ?{ BRK }
select [ LIT2 00 -Mouse/state ] DEO
BRK
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@on-button ( -> )
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.Controller/button DEI ?{ BRK }
select [ LIT2 00 -Controller/button ] DEO
BRK
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@select ( -- )
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.style LDZ INC #03 DIVk MUL SUB .style STZ
;tiles [ LIT2 00 -style ] LDZ #40 SFT ADD2 <cover-pattern>
( >> )
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@<redraw> ( -- )
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( | hrs )
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[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0048 SUB2 ] .DateTime/hour DEI #0a DIV <draw-number>
[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0048 SUB2 ] .DateTime/hour DEI #0a DIVk MUL SUB <draw-number>
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( | min )
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[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0018 SUB2 ] .DateTime/minute DEI #0a DIV <draw-number>
[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0018 SUB2 ] .DateTime/minute DEI #0a DIVk MUL SUB <draw-number>
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( | sec )
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[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0018 ADD2 ] .DateTime/second DEI #0a DIV <draw-number>
[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0018 ADD2 ] .DateTime/second DEI #0a DIVk MUL SUB
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@<draw-number> ( x* y* n -- )
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,&digit STR
,&y STR2
,&x STR2
#0f00
&loop ( -- )
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( save-x ) DUP #03 DIVk MUL SUB #00 SWP #30 SFT2 [ LIT2 &x $2 ] ADD2 .Screen/x DEO2
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( save-y ) DUP #03 DIV #00 SWP #30 SFT2 [ LIT2 &y $2 ] ADD2 .Screen/y DEO2
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( get digit* ) DUP [ LIT &digit $1 ] DUP ADD #00 SWP ;digits ADD2 LDA2
( get bit ) ROT #0e SWP SUB SFT2 #0001 AND2
( set tile ) #30 SFT2 ;tiles ADD2
( set style ) .style LDZ #40 SFT #00 SWP ADD2 .Screen/addr DEO2
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( draw ) [ LIT2 01 -Screen/sprite ] DEO
INC GTHk ?&loop
POP2 JMP2r
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@<cover-pattern> ( addr* -- )
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.Screen/addr DEO2
.Screen/height DEI2 #03 SFT2 NIP ,&h STR
.Screen/width DEI2 #03 SFT2 NIP ,&w STR
[ LIT &h $1 ] #00
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&ver ( -- )
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#00 OVR #30 SFT2 .Screen/y DEO2
[ LIT &w $1 ] #00
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&hor ( -- )
#00 OVR #30 SFT2 .Screen/x DEO2
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[ LIT2 01 -Screen/sprite ] DEO
INC GTHk ?&hor
POP2 INC GTHk ?&ver
POP2 JMP2r
@<update-cursor> ( color addr* -- )
[ LIT2 00 -Screen/auto ] DEO
;fill-icn .Screen/addr DEO2
#40 <draw-cursor>
.Mouse/x DEI2 ,<draw-cursor>/x STR2
.Mouse/y DEI2 ,<draw-cursor>/y STR2
.Screen/addr DEO2
@<draw-cursor> ( color -- )
[ LIT2 &x $2 ] .Screen/x DEO2
[ LIT2 &y $2 ] .Screen/y DEO2
.Screen/sprite DEO
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JMP2r
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@cursor-icn [ 80c0 e0f0 f8e0 1000 ]
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@fill-icn [ ffff ffff ffff ffff ]
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@digits [
7b6f 2492 73e7 73cf 5bc9 79cf 49ef 7249
7bef 7bc9 ]
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@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 ]
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