Browse code
Add 100r animated logo demo.
Andrew Alderwick authored on 11/12/2021 16:28:14
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+( devices ) |
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+ |
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+|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &debug $1 &halt $1 ] |
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+|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ] |
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+|b0 @DateTime [ &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1 ] |
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+ |
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+( variables ) |
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+ |
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+|0000 |
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+ |
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+( program ) |
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+ |
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+|0100 @Reset ( -> ) |
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+ ( seed prng (must be nonzero) ) |
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+ #00 .DateTime/second DEI |
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+ #00 .DateTime/minute DEI #60 SFT2 EOR2 |
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+ #00 .DateTime/hour DEI #c0 SFT2 EOR2 ;prng/x STA2 |
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+ #00 .DateTime/hour DEI #04 SFT2 |
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+ #00 .DateTime/day DEI #10 SFT2 EOR2 |
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+ #00 .DateTime/month DEI #60 SFT2 EOR2 |
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+ .DateTime/year DEI2 #a0 SFT2 EOR2 ;prng/y STA2 |
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+ ;prng/x LDA2 ;prng/y LDA2 EOR2 |
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+ |
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+ ;rabbits STH2 #0f05 &loop-x |
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+ #0f05 &loop-y |
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+ ROTk SWP STH2kr STA2 POP |
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+ INC2r INC2r |
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+ INC |
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+ GTHk ,&loop-y JCN |
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+ POP2 |
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+ INC |
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+ GTHk ,&loop-x JCN |
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+ POP2 POP2r |
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+ ( fall through ) |
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+ |
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+@repeat |
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+ ;init-occupancy JSR2 |
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+ #00 ;precalc-frame STA |
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+ ;precalculate-vector .Screen/vector DEO2 |
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+ BRK |
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+ |
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+@init-occupancy ( -- ) |
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+ #1400 &loop-y |
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+ #1400 &loop-x |
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+ ROTk #00 ;set-occupied JSR2 POP |
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+ INC |
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+ GTHk ,&loop-x JCN |
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+ POP2 |
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+ INC |
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+ GTHk ,&loop-y JCN |
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+ POP2 |
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+ ;rabbits |
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+ DUP2 #00c8 ADD2 SWP2 &loop-rabbits |
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+ LDA2k #01 ;set-occupied JSR2 |
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+ INC2 INC2 |
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+ GTH2k ,&loop-rabbits JCN |
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+ POP2 POP2 |
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+ JMP2r |
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+ |
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+@precalculate-vector ( -> ) |
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+ ,precalculate JSR BRK |
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+ |
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+@precalculate ( -- ) |
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+ ;rabbits #00c8 OVR ,precalc-frame LDR MUL2 ADD2 ( first rabbit address ) |
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+ DUP2 #00c8 ADD2 SWP2 &loop-rabbits |
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+ DUP2 ,move-rabbit JSR |
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+ INC2 INC2 |
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+ GTH2k ,&loop-rabbits JCN |
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+ POP2 POP2 |
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+ ,precalc-frame LDR INC DUP ,precalc-frame STR |
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+ #05 EQU JMP JMP2r |
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+ ;display-init JSR2 |
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+ ;display .Screen/vector DEO2 |
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+ JMP2r |
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+ |
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+@precalc-frame $1 |
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+ |
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+@set-occupied ( x y value -- ) |
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+ STH |
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+ #00 SWP #0014 MUL2 ( x yoffset* / value ) |
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+ ROT #00 SWP ADD2 ( offset* / value ) |
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+ ;occupied ADD2 STH2 STAr |
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+ JMP2r |
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+ |
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+@move-rabbit ( addr* -- ) |
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+ STH2k LDA2 ( x y / addr* ) |
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+ DUP2 #00 ,set-occupied JSR |
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+ ;&possible-moves ( x y possible* / addr* ) |
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+ OVR2 #01 SUB ,&check-move JSR ( up ) |
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+ OVR2 #01 ADD ,&check-move JSR ( down ) |
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+ OVR2 #0100 SUB2 ,&check-move JSR ( left ) |
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+ OVR2 #0100 ADD2 ,&check-move JSR ( right ) |
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+ ;&possible-moves SUB2 ( x y num-possible-times-2* / addr* ) |
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+ DUP ,&can-move JCN |
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+ POP2 |
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+ &write ( x y / addr* ) |
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+ DUP2 #01 ,set-occupied JSR |
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+ STH2r #00c8 ADD2 STA2 |
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+ JMP2r |
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+ |
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+ &can-move ( x y num-possible-times-2* / addr* ) |
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+ NIP2 ( num-possible-times-2* / addr* ) |
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+ ,prng JSR SWP2 DIV2k MUL2 SUB2 #fe AND ( chosen-move* / addr* ) |
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+ ;&possible-moves ADD2 LDA2 |
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+ ,&write JMP |
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+ |
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+ &check-move ( possible* new-x new-y -- possible'* ) |
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+ DUP2 ,get-occupied JSR ,&blocked JCN |
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+ OVR2r LIT2r 00c8 SUB2r ( possible* new-x new-y / previous-frame-addr* ) |
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+ &check-history-loop |
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+ ;rabbits INC2 STH2kr GTH2 ,&history-okay JCN |
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+ DUP2 STH2kr LDA2 EQU2 ,&history-clash JCN |
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+ LIT2r 00c8 SUB2r |
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+ ,&check-history-loop JMP |
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+ &history-okay |
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+ POP2r |
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+ OVR2 STA2 INC2 INC2 |
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+ JMP2r |
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+ &history-clash ( possible* new-x new-y / previous-frame-addr* ) |
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+ POP2r |
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+ &blocked ( possible* new-x new-y ) |
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+ POP2 |
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+ JMP2r |
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+ |
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+ &possible-moves $10 |
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+ |
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+@get-occupied ( x y -- value ) |
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+ #00 SWP #0014 MUL2 ( x yoffset* ) |
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+ ROT #00 SWP ADD2 ( offset* ) |
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+ ;occupied ADD2 LDA |
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+ JMP2r |
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+ |
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+@prng ( -- number* ) |
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+ LIT2 &x $2 |
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+ DUP2 #50 SFT2 EOR2 |
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+ DUP2 #03 SFT2 EOR2 |
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+ LIT2 &y $2 DUP2 ,&x STR2 |
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+ DUP2 #01 SFT2 EOR2 EOR2 |
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+ ,&y STR2k POP |
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+ JMP2r |
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+ |
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+@display-init ( -- ) |
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+ .Screen/width DEI2 #01 SFT2 #0050 SUB2 ;display-rabbit/xoffset STA2 |
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+ .Screen/height DEI2 #01 SFT2 #0050 SUB2 ;display-rabbit/yoffset STA2 |
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+ ;rabbit-sprite .Screen/addr DEO2 |
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+ JMP2r |
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+ |
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+@display-rabbit ( color n counter -- ) |
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+ OVR LTHk ,&finish JCN |
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+ SUB ( color n timeline ) |
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+ DUP #63 GTH ,&start JCN |
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+ #17 DIVk STHk MUL SUB ( color n stage-timeline / frame ) |
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+ DUP #07 GTH ,&static JCN |
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+ ( rabbit is in-between two frames ) |
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+ #08 OVR SUB ,&from-weight STR |
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+ ,&to-weight STR ( color n / frame ) |
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+ #00 SWP #10 SFT2 ;rabbits ADD2 #00c8 #00 STHr MUL2 ADD2 ( color from-addr* ) |
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+ LDA2k STH2 #00c8 ADD2 LDA2 |
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+ &draw ( color to-x to-y / from-x from-y ) |
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+ STHr ,&mix JSR LIT2 &yoffset $2 ADD2 .Screen/y DEO2 |
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+ STHr ,&mix JSR LIT2 &xoffset $2 ADD2 .Screen/x DEO2 |
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+ .Screen/sprite DEO |
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+ JMP2r |
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+ |
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+ &mix ( to-z from-z -- mixed* ) |
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+ #00 SWP LIT2 00 &from-weight 00 MUL2 ( to-n from-mixed* ) |
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+ ROT #00 SWP LIT2 00 &to-weight 00 MUL2 ADD2 |
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+ JMP2r |
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+ |
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+ &finish ( color n counter n ) |
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+ POP |
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+ LITr ff ,&static JMP |
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+ &start ( color n counter ) |
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+ LITr 04 |
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+ &static ( color n counter / frame ) |
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+ INCr |
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+ POP |
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+ #00 SWP #10 SFT2 ;rabbits ADD2 #00c8 #00 STHr MUL2 ADD2 |
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+ LDA2 STH2k |
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+ ,&draw JMP |
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+ |
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+@display-counter $1 |
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+ |
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+@display ( -> ) |
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+ ,display-counter LDR #01 SUB DUP ,display-counter STR |
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+ DUP #f0 LTH ,&skip-palette JCN |
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+ #ff OVR SUB #00 |
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+ DUP2 .System/r DEO2 |
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+ DUP2 .System/g DEO2 |
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+ .System/b DEO2 |
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+ &skip-palette |
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+ INCk #0000 &clear-loop |
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+ ROTk ;display-rabbit JSR2 |
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+ INC |
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+ DUP #64 LTH ,&clear-loop JCN |
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+ POP2 POP |
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+ #0500 &draw-loop |
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+ ROTk ;display-rabbit JSR2 |
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+ INC |
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+ DUP #64 LTH ,&draw-loop JCN |
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+ POP2 |
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+ ,&no-finish JCN |
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+ ;sunset .Screen/vector DEO2 |
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+ &no-finish |
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+ BRK |
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+ |
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+@sunset ( -> ) |
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+ ;display-counter LDA #02 SUB DUP ;display-counter STA |
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+ DUP #1f GTH ,&skip-palette JCN |
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+ DUP #01 SFT #00 |
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+ DUP2 .System/r DEO2 |
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+ DUP2 .System/g DEO2 |
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+ .System/b DEO2 |
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+ #6400 &draw-loop |
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+ #05 OVR #00 ;display-rabbit JSR2 |
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+ INC |
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+ GTHk ,&draw-loop JCN |
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+ POP2 |
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+ &skip-palette |
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+ ,&no-finish JCN |
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+ ;repeat JMP2 |
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+ &no-finish |
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+ BRK |
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+ |
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+@rabbit-sprite 003c 7e7e 7e7e 3c00 |
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+ |
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+@occupied $190 |
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+ |
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+@rabbits |
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+ |