uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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bifurcan.tal (3487B)


      1 ( Bifurcan )
      2 
      3 |00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
      4 |20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
      5 |90 @Mouse &vector $2 &x $2 &y $2 &state $1 &wheel $1
      6 |c0 @DateTime &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
      7 |80 @Controller &vector $2 &button $1 &key $1
      8 
      9 |0000
     10 
     11 	@last $1
     12 	@style $1
     13 	@center &x $2 &y $2
     14 
     15 |0100
     16 
     17 @on-reset ( -> )
     18 	( | theme )
     19 	#0f3a .System/r DEO2
     20 	#0fda .System/g DEO2
     21 	#0faa .System/b DEO2
     22 	( | vectors )
     23 	;on-frame .Screen/vector DEO2
     24 	;on-mouse .Mouse/vector DEO2
     25 	;on-button .Controller/vector DEO2
     26 	( | find center )
     27 	.Screen/width DEI2 #01 SFT2 .center/x STZ2
     28 	.Screen/height DEI2 #01 SFT2 .center/y STZ2
     29 	( | background )
     30 	;tiles <cover-pattern>
     31 	<redraw>
     32 	BRK
     33 
     34 @on-frame ( -> )
     35 	( | only draw once per second )
     36 	.DateTime/second DEI .last LDZ NEQk ?{ POP2 BRK }
     37 	.last STZ
     38 	POP <redraw>
     39 	BRK
     40 
     41 @on-mouse ( -> )
     42 	[ LIT2 00 -Mouse/state ] DEI NEQ #41 ADD ;cursor-icn <update-cursor>
     43 	.Mouse/state DEI ?{ BRK }
     44 	select [ LIT2 00 -Mouse/state ] DEO
     45 	BRK
     46 
     47 @on-button ( -> )
     48 	.Controller/button DEI ?{ BRK }
     49 	select [ LIT2 00 -Controller/button ] DEO
     50 	BRK
     51 
     52 @select ( -- )
     53 	.style LDZ INC #03 DIVk MUL SUB .style STZ
     54 	;tiles [ LIT2 00 -style ] LDZ #40 SFT ADD2 <cover-pattern>
     55 	( >> )
     56 
     57 @<redraw> ( -- )
     58 	( | hrs )
     59 	[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0048 SUB2 ] .DateTime/hour DEI #0a DIV <draw-number>
     60 	[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0048 SUB2 ] .DateTime/hour DEI #0a DIVk MUL SUB <draw-number>
     61 	( | min )
     62 	[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0018 SUB2 ] .DateTime/minute DEI #0a DIV <draw-number>
     63 	[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0018 SUB2 ] .DateTime/minute DEI #0a DIVk MUL SUB <draw-number>
     64 	( | sec )
     65 	[ .center/x LDZ2 #0018 SUB2 ] [ .center/y LDZ2 #0018 ADD2 ] .DateTime/second DEI #0a DIV <draw-number>
     66 	[ .center/x LDZ2 #0008 ADD2 ] [ .center/y LDZ2 #0018 ADD2 ] .DateTime/second DEI #0a DIVk MUL SUB
     67 
     68 @<draw-number> ( x* y* n -- )
     69 	,&digit STR
     70 	,&y STR2
     71 	,&x STR2
     72 	#0f00
     73 	&loop ( -- )
     74 		( save-x ) DUP #03 DIVk MUL SUB #00 SWP #30 SFT2 [ LIT2 &x $2 ] ADD2 .Screen/x DEO2
     75 		( save-y ) DUP #03 DIV #00 SWP #30 SFT2 [ LIT2 &y $2 ] ADD2 .Screen/y DEO2
     76 		( get digit* ) DUP [ LIT &digit $1 ] DUP ADD #00 SWP ;digits ADD2 LDA2
     77 		( get bit ) ROT #0e SWP SUB SFT2 #0001 AND2
     78 		( set tile ) #30 SFT2 ;tiles ADD2
     79 		( set style ) .style LDZ #40 SFT #00 SWP ADD2 .Screen/addr DEO2
     80 		( draw ) [ LIT2 01 -Screen/sprite ] DEO
     81 		INC GTHk ?&loop
     82 	POP2 JMP2r
     83 
     84 @<cover-pattern> ( addr* -- )
     85 	.Screen/addr DEO2
     86 	.Screen/height DEI2 #03 SFT2 NIP ,&h STR
     87 	.Screen/width DEI2 #03 SFT2 NIP ,&w STR
     88 	[ LIT &h $1 ] #00
     89 	&ver ( -- )
     90 		#00 OVR #30 SFT2 .Screen/y DEO2
     91 		[ LIT &w $1 ] #00
     92 	&hor ( -- )
     93 		#00 OVR #30 SFT2 .Screen/x DEO2
     94 		[ LIT2 01 -Screen/sprite ] DEO
     95 		INC GTHk ?&hor
     96 	POP2 INC GTHk ?&ver
     97 	POP2 JMP2r
     98 
     99 @<update-cursor> ( color addr* -- )
    100 	[ LIT2 00 -Screen/auto ] DEO
    101 	;fill-icn .Screen/addr DEO2
    102 	#40 <draw-cursor>
    103 	.Mouse/x DEI2 ,<draw-cursor>/x STR2
    104 	.Mouse/y DEI2 ,<draw-cursor>/y STR2
    105 	.Screen/addr DEO2
    106 
    107 @<draw-cursor> ( color -- )
    108 	[ LIT2 &x $2 ] .Screen/x DEO2
    109 	[ LIT2 &y $2 ] .Screen/y DEO2
    110 	.Screen/sprite DEO
    111 	JMP2r
    112 
    113 @cursor-icn [ 80c0 e0f0 f8e0 1000 ]
    114 
    115 @fill-icn [ ffff ffff ffff ffff ]
    116 
    117 @digits [
    118 	7b6f 2492 73e7 73cf 5bc9 79cf 49ef 7249
    119 	7bef 7bc9 ]
    120 
    121 @tiles [
    122 	0102 0408 1020 4080 8040 2010 0804 0201
    123 	0718 2040 4080 8080 0101 0102 0204 18e0
    124 	0808 0810 e304 0808 0808 0804 e310 0808 ]
    125