mirror of https://git.sr.ht/~rabbits/uxn
Added game reset
This commit is contained in:
Devine Lu Linvega
parent
1bf6eaeec0
commit
a2f826121d
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@ -10,10 +10,10 @@
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%RTN { JMP2r }
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%TOS { #00 SWP }
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%SWP? { #01 JCN SWP }
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%RTN? { #01 JCN RTN }
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%BRK? { #01 JCN BRK }
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%DEBUG { ;print-hex JSR2 #0a .Console/write DEO }
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%DEBUG2 { SWP ;print-hex JSR2 ;print-hex JSR2 #0a .Console/write DEO }
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%DIFFICULTY { #06 }
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( devices )
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@ -35,72 +35,89 @@
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@apple
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&x $1 &y $1
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@snake
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&direction $1 &length $1
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&direction $1 &length $1 &dead $1
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&x $1 &y $1
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&tail
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|0100 ( -> )
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( theme )
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#0f2f .System/r DEO2
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#0ff2 .System/g DEO2
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#0022 .System/b DEO2
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#0f7e .System/r DEO2
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#0fe6 .System/g DEO2
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#0f62 .System/b DEO2
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( vectors )
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;on-frame .Screen/vector DEO2
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;on-button .Controller/vector DEO2
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( resize )
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#00c0 .Screen/width DEO2
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#00c8 .Screen/width DEO2
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#0100 .Screen/height DEO2
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( set arena )
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.Screen/width DEI2 8// NIP .arena/w STZ
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.Screen/height DEI2 8// NIP .arena/h STZ
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( put snake )
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.arena/w LDZ 2/ #01 - .snake/x STZ
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.arena/h LDZ 2/ #01 - .snake/y STZ
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;add-apple JSR2
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;reset JSR2
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BRK
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@on-frame ( -> )
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.arena/timer LDZ INC DUP .arena/timer STZ
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#06 = BRK?
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#00 ;draw-snake JSR2
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;move JSR2
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#02 ;draw-snake JSR2
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DIFFICULTY = BRK?
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( clear ) #00 ;draw-snake JSR2
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( update ) ;move JSR2
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( draw ) #02 .snake/dead LDZ + ;draw-snake JSR2
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( score ) .snake/length LDZ #01 ;draw-score JSR2
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( reset ) #00 .arena/timer STZ
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BRK
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@on-button ( -> )
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.Controller/button DEI #04 SFT
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DUP #00 = ,&skip JCN
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.Controller/button DEI
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DUP #08 ! ,&no-escape JCN
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;reset JSR2
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&no-escape
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#04 SFT DUP #00 = ,&skip JCN
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DUP .snake/direction STZ
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&skip
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POP
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BRK
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@reset ( -- )
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#00 ;draw-snake JSR2
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#00 ;draw-apple JSR2
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.arena/w LDZ 2/ #01 - .snake/x STZ
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.arena/h LDZ 2/ #01 - .snake/y STZ
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#00 .snake/dead STZ
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#00 .snake/length STZ
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#00 .snake/direction STZ
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#03 ;draw-snake JSR2
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;add-apple JSR2
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RTN
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@move ( -- )
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( tail )
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.snake/x LDZ2 STH2
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.snake/length LDZ #00
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&loop
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DUP 2* .snake/tail + LDZ2 STH2
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SWP2r
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DUP 2* .snake/tail + STH2r ROT STZ2
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( pop ) DUP 2* .snake/tail + LDZ2 STH2 SWP2r
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( push ) DUP 2* .snake/tail + STH2r ROT STZ2
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INC GTHk ,&loop JCN
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POP2
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POP2r
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.snake/dead LDZ #00 = RTN?
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.snake/direction LDZ
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DUP #01 ! ,&no-up JCN
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.snake/y LDZ #01 -
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@ -124,37 +141,42 @@ BRK
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&no-right
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POP
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( detect collision )
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.snake/x LDZ .apple/x LDZ ! ,&no-collision JCN
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.snake/y LDZ .apple/y LDZ ! ,&no-collision JCN
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( detect collision with apple )
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.snake/x LDZ2 .apple/x LDZ2 [ ROT = ROT ROT = #0101 !! ] ,&no-collision-apple JCN
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#00 ;draw-apple JSR2
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.snake/length LDZ INC DUP DEBUG .snake/length STZ
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.snake/length LDZ INC .snake/length STZ
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;add-apple JSR2
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;move JSR2
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&no-collision
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&no-collision-apple
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.snake/length LDZ #01
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&loop-body
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( pop ) DUP 2* .snake/tail + LDZ2
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.snake/x LDZ2 [ ROT = ROT ROT = #0101 !! ] ,&no-collision-body JCN
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#01 .snake/dead STZ
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#03 ;draw-snake JSR2
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&no-collision-body
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INC GTHk ,&loop-body JCN
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POP2
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RTN
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@add-apple ( -- )
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( seed )
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.DateTime/hour DEI2 .DateTime/minute DEI2 MUL2 #1234 MUL2 +
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.arena/w LDZ MOD .apple/x STZ
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.DateTime/hour DEI2 .DateTime/minute DEI2 MUL2 #abcd MUL2 +
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.arena/h LDZ MOD .apple/y STZ
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#03 ;draw-apple JSR2
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#83 ;draw-apple JSR2
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RTN
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@draw-snake ( color -- )
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.snake/x LDZ TOS 8** .Screen/x DEO2
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.snake/y LDZ TOS 8** .Screen/y DEO2
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;snake-icns .Screen/addr DEO2
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STHk .Screen/sprite DEO
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STH
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( draw tail )
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;snake-icns .Screen/addr DEO2
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.snake/length LDZ #00
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&loop
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DUP 2* .snake/tail + LDZ TOS 8** .Screen/x DEO2
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@ -162,33 +184,53 @@ RTN
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STHkr .Screen/sprite DEO
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INC GTHk ,&loop JCN
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POP2
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POPr
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( draw head )
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.snake/x LDZ TOS 8** .Screen/x DEO2
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.snake/y LDZ TOS 8** .Screen/y DEO2
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;snake-icns/face .Screen/addr DEO2
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STHr .Screen/sprite DEO
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RTN
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@draw-apple ( color -- )
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.apple/x LDZ TOS 8** .Screen/x DEO2
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.apple/y LDZ TOS 8** .Screen/y DEO2
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;apple-icn .Screen/addr DEO2
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.Screen/sprite DEO
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RTN
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.apple/x LDZ TOS 8** .Screen/x DEO2
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.apple/y LDZ TOS 8** .Screen/y DEO2
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;apple-chr .Screen/addr DEO2
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.Screen/sprite DEO
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RTN
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@print-hex ( value -- )
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STHk #04 SFT ,&parse JSR .Console/write DEO
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STHr #0f AND ,&parse JSR .Console/write DEO
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RTN
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&parse ( value -- char )
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DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN
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@draw-score ( score color -- )
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STH
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#0010 .Screen/x DEO2
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#0010 .Screen/y DEO2
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DUP #04 SFT TOS 8** ;font-hex ++ .Screen/addr DEO2
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.Screen/x DEI2 #0008 ++ .Screen/x DEO2
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( draw ) STHkr .Screen/sprite DEO
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#0f AND TOS 8** ;font-hex ++ .Screen/addr DEO2
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.Screen/x DEI2 #0008 ++ .Screen/x DEO2
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( draw ) STHr .Screen/sprite DEO
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RTN
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( assets )
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@snake-icns
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ffff ffff ffff ffff
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@apple-icn
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ffff ffff ffff ffff
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7eff ffff ffff ff7e
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&face
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7eff ffdb ffe7 ff7e
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@apple-chr
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0000 76ff ffff 7e3c
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1008 0000 0000 0000
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@font-hex ( 0-F )
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007c 8282 8282 827c 0030 1010 1010 1010
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007c 8202 7c80 80fe 007c 8202 1c02 827c
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000c 1424 4484 fe04 00fe 8080 7c02 827c
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007c 8280 fc82 827c 007c 8202 1e02 0202
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007c 8282 7c82 827c 007c 8282 7e02 827c
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007c 8202 7e82 827e 00fc 8282 fc82 82fc
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007c 8280 8080 827c 00fc 8282 8282 82fc
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007c 8280 f080 827c 007c 8280 f080 8080
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