mirror of https://git.sr.ht/~rabbits/uxn
(bunnymark) Optimizations
This commit is contained in:
Devine Lu Linvega
parent
362dee8b1b
commit
17e6d4df22
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@ -45,22 +45,56 @@
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.Mouse/state DEI
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( ) DUP #01 NEQ ?{ add-bunny }
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( ) #02 LTH ?{ remove-bunny }
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( | clear )
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#0000 DUP2 .Screen/x DEO2
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.Screen/y DEO2
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[ LIT2 80 -Screen/pixel ] DEO
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;sprite/length LDA2 #0000
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&loop ( -- )
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EQU2k ?&bail
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DUP2 draw-bunny INC2 !&loop
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DUP2 <draw-bunny>
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INC2 !&loop
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&bail ( -- )
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POP2 POP2 BRK
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@draw-bunny ( idx -- )
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( compute the offset to the beginning of this bunny's data ) #30 SFT2 ;sprite/array ADD2
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( clear the old sprite location )
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( top ) LDA2k #05 SFT2 .Screen/x DEO2
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INC2k INC2 LDA2 #05 SFT2 .Screen/y DEO2
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<clear-sprite>
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( move the sprite by its velocity ) LDA2k OVR2 #0004 ADD2 LDA2 ADD2 OVR2 STA2
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@add-bunny ( -- )
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;sprite/length LDA2
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( | cap bunny count at 65535 )
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DUP2 #ffff EQU2 ?&bail
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( | compute the offset to the beginning of this new bunny's data )
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DUP2 #30 SFT2 ;sprite/array ADD2
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( | populate the new bunny's x/y/xvel/yvel with random values )
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#00 rand OVR2 STA2
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rand #1f AND rand OVR2 INC2 INC2 STA2
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#00 rand #7f AND OVR2 #0004 ADD2 STA2
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#00 rand #7f AND OVR2 #0006 ADD2 STA2
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( | pop ptr to bunny data )
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POP2
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( | write new increased array length )
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INC2 DUP2 ;sprite/length STA2
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( | update label )
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STH2k #0028 #0008 STH2r <draw-dec>
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&bail ( pop sprite/length )
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POP2 JMP2r
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@remove-bunny ( -- )
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;sprite/length LDA2
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( don't let length go below 0 ) ORAk #00 EQU ?&bail
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#0001 SUB2 DUP2 ;sprite/length STA2
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( update label ) STH2k #0028 #0008 STH2r <draw-dec>
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&bail POP2 JMP2r
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(
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@|drawing )
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@<draw-bunny> ( idx -- )
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( | compute the offset to the beginning of this bunny's data )
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#30 SFT2 ;sprite/array ADD2
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( | move the sprite by its velocity )
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LDA2k OVR2 #0004 ADD2 LDA2 ADD2 OVR2 STA2
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INC2k INC2 LDA2 OVR2 #0006 ADD2 LDA2 ADD2 OVR2 INC2 INC2 STA2
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( check for right wall collision + bounce x ) DUP2 #0004 ADD2 LDA2 #0f SFT2 #0001 EQU2 ?&skip-max-x
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( | check for right wall collision + bounce x )
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DUP2 #0004 ADD2 LDA2 #0f SFT2 #0001 EQU2 ?&skip-max-x
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LDA2k #05 SFT2 #0008 ADD2 .Screen/width DEI2 LTH2 ?&skip-max-x
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DUP2 #0004 ADD2 LDA2 #ffff MUL2 OVR2 #0004 ADD2 STA2
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&skip-max-x ( check for left wall collision + bounce x )
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@ -68,7 +102,7 @@
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DUP2 #0004 ADD2 LDA2 #ffff MUL2 OVR2 #0004 ADD2 STA2
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&skip-min-x ( check for bottom wall collision + bounce y )
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DUP2 #0006 ADD2 LDA2 #0f SFT2 #0001 EQU2 ?&skip-max-y
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INC2k INC2 LDA2 #05 SFT2 #0008 ADD2 .Screen/height DEI2 LTH2 ?&skip-max-y
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INC2k INC2 LDA2 #05 SFT2 #0010 ADD2 .Screen/height DEI2 LTH2 ?&skip-max-y
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DUP2 #0006 ADD2 LDA2 #ffff MUL2 OVR2 #0006 ADD2 STA2
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!&skip-gravity
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&skip-max-y ( check for top wall collision + bounce x )
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@ -86,27 +120,6 @@
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[ LIT2 00 -Screen/auto ] DEO
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JMP2r
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@<clear-sprite> ( -- )
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;fill-icn .Screen/addr DEO2
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[ LIT2 11 -Screen/auto ] DEO
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[ LIT2 00 -Screen/sprite ] DEO
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[ LIT2 00 -Screen/auto ] DEO
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JMP2r
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@add-bunny ( -- )
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;sprite/length LDA2
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( cap bunny count at 65535 ) DUP2 #ffff EQU2 ?&bail
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( compute the offset to the beginning of this new bunny's data ) DUP2 #30 SFT2 ;sprite/array ADD2
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( populate the new bunny's x/y/xvel/yvel with random values ) #00 [ rand ] OVR2 STA2
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[ rand #1f AND ] [ rand ] OVR2 INC2 INC2 STA2
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#00 [ rand #7f AND ] OVR2 #0004 ADD2 STA2
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#00 [ rand #7f AND ] OVR2 #0006 ADD2 STA2
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( pop ptr to bunny data ) POP2
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( write new increased array length ) INC2 DUP2 ;sprite/length STA2
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( update label ) STH2k #0028 #0008 STH2r <draw-dec>
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&bail ( pop sprite/length )
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POP2 JMP2r
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@<draw-str> ( x* y* text* color -- )
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,&t STR
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[ LIT2 01 -Screen/auto ] DEO
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@ -120,9 +133,9 @@
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[ LIT2 01 -Screen/auto ] DEO
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SWP2 .Screen/y DEO2
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SWP2 .Screen/x DEO2
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#2710 DIV2k DUP2 NIP <draw-digit>
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MUL2 SUB2 #03e8 DIV2k DUP2 NIP <draw-digit>
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MUL2 SUB2 #0064 DIV2k DUP2 NIP <draw-digit>
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#2710 DIV2k DUP <draw-digit>
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MUL2 SUB2 #03e8 DIV2k DUP <draw-digit>
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MUL2 SUB2 #0064 DIV2k DUP <draw-digit>
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MUL2 SUB2 NIP #0a DIVk DUP <draw-digit>
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MUL SUB <draw-digit>
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[ LIT2 00 -Screen/auto ] DEO
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@ -130,20 +143,9 @@
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@<draw-digit> ( num -- )
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#30 SFT #00 SWP ;font/num ADD2 .Screen/addr DEO2
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#41 .Screen/sprite DEO
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[ LIT2 41 -Screen/sprite ] DEO
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JMP2r
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@remove-bunny ( -- )
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;sprite/length LDA2
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( don't let length go below 0 ) ORAk #00 EQU ?&bail
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( clear the old sprite location ) DUP2 #0001 SUB2 #30 SFT2 ;sprite/array ADD2
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( top ) LDA2k #05 SFT2 .Screen/x DEO2
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INC2k INC2 LDA2 #05 SFT2 .Screen/y DEO2
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( clear ) <clear-sprite>
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POP2 #0001 SUB2 DUP2 ;sprite/length STA2
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( update label ) STH2k #0028 #0008 STH2r <draw-dec>
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&bail POP2 JMP2r
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(
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@|random )
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@ -205,7 +207,9 @@
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@bunny-chr [
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2466 6600 2424 003c 4200 007e 7e7e 7e7e
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1818 3c3c 1800 0000 ff66 4242 667e 4242 ]
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( beginning of sprite pixel data + array )
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(
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@|memory )
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@sprite &length $2
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&array &x 0600 &y 0500 &xvel 0060 &yvel 0010
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