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uxn/projects/demos/polycat.usm

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( polycat )
%RTN { JMP2r }
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%+ { ADD2 } %- { SUB2 }
%* { MUL2 } %/ { DIV2 }
%> { GTH2 }
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( devices )
|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &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 ]
( variables )
|0000
@cat [ &x $2 &y $2 &timer $1 ]
@pointer [ &x $2 &y $2 ]
( program )
|0100 ( -> )
( theme )
#0a3f .System/r DEO2
#05df .System/g DEO2
#0caf .System/b DEO2
( find center )
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.Screen/width DEI2 #0002 / #0008 - .cat/x POK2
.Screen/height DEI2 #0004 / #0003 * #0018 - .cat/y POK2
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( vectors )
;on-mouse .Mouse/vector DEO2
;on-frame .Screen/vector DEO2
;draw-polycat JSR2
;draw-ground JSR2
BRK
@on-mouse ( -> )
;draw-cursor JSR2
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.Mouse/x DEI2 .cat/x PEK2 > #20 MUL
.Mouse/y DEI2 .cat/y PEK2 > #40 MUL
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ADD #00 SWP ;draw-eye JSR2
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BRK
@on-frame ( -> )
.cat/timer PEK #01 ADD [ DUP ] .cat/timer POK
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DUP #00 NEQ ,&skip0 JNZ #0000 ;draw-tail JSR2 &skip0
DUP #10 NEQ ,&skip1 JNZ #0001 ;draw-tail JSR2 &skip1
DUP #20 NEQ ,&skip2 JNZ #0002 ;draw-tail JSR2 &skip2
DUP #30 NEQ ,&skip3 JNZ #0003 ;draw-tail JSR2 &skip3
DUP #40 NEQ ,&skip4 JNZ #0002 ;draw-tail JSR2 &skip4
DUP #50 NEQ ,&skip5 JNZ #0001 ;draw-tail JSR2 &skip5
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POP
BRK
@draw-polycat ( -- )
( ears )
.cat/y PEK2 .Screen/y DEO2
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.cat/x PEK2 DUP2 STH2 #0008 - .Screen/x DEO2
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;ears .Screen/addr DEO2
#41 .Screen/color DEO
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STH2r .Screen/x DEO2
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;ears #0010 + .Screen/addr DEO2
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#41 .Screen/color DEO
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#0000 ,draw-eye JSR
#0000 ,draw-tail JSR
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RTN
@draw-eye ( quad* -- )
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.cat/y PEK2 #0008 + .Screen/y DEO2
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.cat/x PEK2 DUP2 STH2 #0008 - .Screen/x DEO2
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DUP2 ;eye + .Screen/addr DEO2
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( draw ) #41 .Screen/color DEO
STH2r .Screen/x DEO2
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;eye #0010 + + .Screen/addr DEO2
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( draw ) #41 .Screen/color DEO
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RTN
@draw-tail ( frame* -- )
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.cat/y PEK2 #0010 + .Screen/y DEO2
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.cat/x PEK2 DUP2 STH2 #0008 - .Screen/x DEO2
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;body .Screen/addr DEO2
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( draw ) #41 .Screen/color DEO
STH2r .Screen/x DEO2
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#0010 * ;body #0010 + + .Screen/addr DEO2
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( draw ) #41 .Screen/color DEO
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RTN
@draw-cursor ( -- )
( clear last cursor )
#fff8 .Screen/addr DEO2
.pointer/x PEK2 .Screen/x DEO2
.pointer/y PEK2 .Screen/y DEO2
#30 .Screen/color DEO
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( record pointer positions )
.Mouse/x DEI2 .pointer/x POK2
.Mouse/y DEI2 .pointer/y POK2
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( draw new cursor )
;cursor .Screen/addr DEO2
.pointer/x PEK2 .Screen/x DEO2
.pointer/y PEK2 .Screen/y DEO2
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( colorize on state )
#31 [ .Mouse/state DEI #00 NEQ ] ADD .Screen/color DEO
RTN
@draw-ground ( -- )
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.cat/y PEK2 #0018 + .Screen/y DEO2
.cat/x PEK2 #0010 - .Screen/x DEO2
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;ground .Screen/addr DEO2
#00 #10
&loop
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( draw ) #21 .Screen/color DEO
( sety ) .Screen/addr DEI2 #0008 + .Screen/addr DEO2
( setx ) .Screen/x DEI2 #0008 + .Screen/x DEO2
( incr ) SWP #01 ADD SWP
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DUP2 LTH ,&loop JNZ
POP2
RTN
@cursor [
80c0 e0f0 f8e0 1000 ]
@ears [
081c 3e3e 7f7f ffff 081c 3e3e 7f7f fffc
081c 3c3e 7e7e ffff 081c 3c3e 7e7e ff1f ]
@eye [
ffff ffff ff7f 3f0f f7ef cfe7 f07c 3f0f
ffff ffff fffe fcf0 87c3 c183 071e fcf0
ffff ffff ff7f 3f0f f0e1 c1e0 f07c 3f0f
ffff ffff fffe fcf0 f7fb f9f3 071e fcf0
ffff ffff ff7f 3f0f f0e7 cfef f77c 3f0f
ffff ffff fffe fcf0 0783 c1c3 871e fcf0
ffff ffff ff7f 3f0f f0e0 c1e1 f07c 3f0f
ffff ffff fffe fcf0 07f3 f9fb f71e fcf0
]
@body [
0707 0707 0302 0200 0107 0707 0300 0000
e0f0 f0e0 e080 8000 c0f2 f9f9 fef8 b000
e0f0 f0e0 e080 8000 c0f2 f9f9 fef8 b000
e0f0 f0e0 e080 8000 c0f2 faf9 fef8 b000
e0f0 f0e0 e080 8000 c0f1 faf9 fef8 b000
0707 0707 0f08 1000 0307 0707 0f00 0000
e0e0 e0e0 e080 8000 f2f9 f9fe b884 8400 ]
@ground [
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bf00 5c02 0202 020c ef10 6f90 8080 8074
ff00 fe01 0100 0116 fd00 3c40 4040 4028 ]