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(Snake) Improved formatting

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This commit is contained in:
Devine Lu Linvega 2024-03-24 09:54:15 -07:00
parent 370c3a60c9
commit 641872fe21
1 changed files with 55 additions and 66 deletions
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121
projects/examples/demos/snake.tal
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@ -1,17 +1,11 @@
( uxnasm projects/examples/demos/snake.tal bin/snake.rom && uxnemu bin/snake.rom )
( uxnemu snake.rom )
( devices )
|00 @System &vector $2 &expansion $2 &wst $1 &rst $1 &metadata $2 &r $2 &g $2 &b $2 &debug $1 &state $1
|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
|80 @Controller &vector $2 &button $1 &key $1
|c0 @DateTime &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &debug $1 &halt $1 ]
|10 @Console [ &vector $2 &read $1 &pad $5 &write $1 &error $1 ]
|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ]
|30 @Audio0 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1 ]
|80 @Controller [ &vector $2 &button $1 &key $1 ]
|c0 @DateTime [ &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1 ]
( variables )
|0000
|000
( program )
@ -24,26 +18,26 @@
&x $1 &y $1
&tail
|0100 ( -> )
|100 @on-reset ( -> )
( theme )
#0f7e .System/r DEO2
#0fe6 .System/g DEO2
( | theme )
#0f7e .System/r DEO2
#0fe6 .System/g DEO2
#0f62 .System/b DEO2
( vectors )
( | vectors )
;on-frame .Screen/vector DEO2
;on-button .Controller/vector DEO2
( resize )
( | resize )
#00c8 .Screen/width DEO2
#0100 .Screen/height DEO2
( set arena )
( | set arena )
.Screen/width DEI2 #03 SFT2 NIP .arena/w STZ
.Screen/height DEI2 #03 SFT2 NIP .arena/h STZ
;reset JSR2
reset
BRK
@ -53,97 +47,92 @@ BRK
#06 ( difficulty - lower value produces faster gameplay )
EQU JMP BRK
( clear ) #00 ;draw-snake JSR2
( update ) ;move JSR2
( draw ) #02 .snake/dead LDZ ADD ;draw-snake JSR2
#83 ;draw-apple JSR2
( score ) .snake/length LDZ #41 ;draw-score JSR2
( clear ) #00 draw-snake
( update ) move
( draw ) #02 .snake/dead LDZ ADD draw-snake
#83 draw-apple
( score ) .snake/length LDZ #41 draw-score
( reset ) #00 .arena/timer STZ
BRK
@on-button ( -> )
.Controller/button DEI
DUP #08 NEQ ,&no-escape JCN
;reset JSR2
&no-escape
#04 SFT DUP #00 EQU ,&skip JCN
.Controller/button DEI
DUP #08 NEQ ?{
reset }
#04 SFT DUP #00 EQU ?{
DUP .snake/direction STZ
&skip
}
POP
BRK
@reset ( -- )
#00 ;draw-snake JSR2
#00 ;draw-apple JSR2
#00 draw-snake
#00 draw-apple
.arena/w LDZ #01 SFT #01 SUB .snake/x STZ
.arena/h LDZ #01 SFT #01 SUB .snake/y STZ
#00 .snake/dead STZ
#00 .snake/length STZ
#00 .snake/direction STZ
#03 ;draw-snake JSR2
;add-apple JSR2
JMP2r
#03 draw-snake
!add-apple
@move ( -- )
( tail )
.snake/x LDZ2 STH2
.snake/length LDZ #00
&loop
&>loop ( -- )
( pop ) DUPk ADD .snake/tail ADD LDZ2 STH2 SWP2r
( push ) DUPk ADD .snake/tail ADD STH2r ROT STZ2
INC GTHk ,&loop JCN
INC GTHk ?&>loop
POP2
POP2r
.snake/dead LDZ #00 EQU JMP JMP2r
.snake/direction LDZ
DUP #01 NEQ ,&no-up JCN
DUP #01 NEQ ?&no-up
.snake/y LDZ #01 SUB
.arena/h LDZ LTHk JMP SWP POP
.snake/y STZ
&no-up
DUP #02 NEQ ,&no-down JCN
DUP #02 NEQ ?&no-down
.snake/y LDZ INC
.arena/h LDZ DIVk MUL SUB
.snake/y STZ
&no-down
DUP #04 NEQ ,&no-left JCN
DUP #04 NEQ ?&no-left
.snake/x LDZ #01 SUB
.arena/w LDZ LTHk JMP SWP POP
.snake/x STZ
&no-left
DUP #08 NEQ ,&no-right JCN
.snake/x LDZ INC
DUP #08 NEQ ?&no-right
.snake/x LDZ INC
.arena/w LDZ DIVk MUL SUB
.snake/x STZ
&no-right
POP
( detect collision with apple )
.snake/x LDZ2 .apple/x LDZ2 NEQ2 ,&no-collision-apple JCN
#00 ;draw-apple JSR2
.snake/x LDZ2 .apple/x LDZ2 NEQ2 ?{
#00 draw-apple
.snake/length LDZ INC .snake/length STZ
;add-apple JSR2
;move JSR2
&no-collision-apple
add-apple
move
}
.snake/length LDZ #01
&loop-body
&loop-body ( -- )
( pop ) DUPk ADD .snake/tail ADD LDZ2
.snake/x LDZ2 NEQ2 ,&no-collision-body JCN
.snake/x LDZ2 NEQ2 ?{
#01 .snake/dead STZ
#03 ;draw-snake JSR2
&no-collision-body
INC GTHk ,&loop-body JCN
#03 draw-snake
}
INC GTHk ?&loop-body
POP2
JMP2r
@ -163,11 +152,11 @@ JMP2r
( draw tail )
;snake-icns .Screen/addr DEO2
.snake/length LDZ #00
&loop
&>loop ( -- )
DUPk ADD .snake/tail ADD LDZ #0005 SFT2 .Screen/x DEO2
DUPk ADD .snake/tail ADD INC LDZ #0005 SFT2 .Screen/y DEO2
STHkr .Screen/sprite DEO
INC GTHk ,&loop JCN
INC GTHk ?&>loop
POP2
( draw head )
.snake/x LDZ #0005 SFT2 .Screen/x DEO2
@ -202,14 +191,14 @@ JMP2r
( assets )
@snake-icns
7eff ffff ffff ff7e
&face
7eff ffdb ffe7 ff7e
@apple-chr
@snake-icns [
7eff ffff ffff ff7e ]
&face [
7eff ffdb ffe7 ff7e ]
@apple-chr [
0000 76ff ffff 7e3c
1008 0000 0000 0000
@font-hex ( 0-F )
1008 0000 0000 0000 ]
@font-hex [
007c 8282 8282 827c 0030 1010 1010 1010
007c 8202 7c80 80fe 007c 8202 1c02 827c
000c 1424 4484 fe04 00fe 8080 7c02 827c
@ -217,5 +206,5 @@ JMP2r
007c 8282 7c82 827c 007c 8282 7e02 827c
007c 8202 7e82 827e 00fc 8282 fc82 82fc
007c 8280 8080 827c 00fc 8282 8282 82fc
007c 8280 f080 827c 007c 8280 f080 8080
007c 8280 f080 827c 007c 8280 f080 8080 ]