mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-05 13:55:06 +00:00
277 lines
6.9 KiB
Tal
277 lines
6.9 KiB
Tal
( bunnymark.tal )
|
|
|
|
( November 2021, Kira Oakley )
|
|
( March 2022, Devine Lu Linvega )
|
|
|
|
|00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2 &debug $1 &halt $1
|
|
|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
|
|
|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &wheel $1
|
|
|c0 @Date &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
|
|
|
|
|0000
|
|
|
|
@frames $2
|
|
@last $1
|
|
|
|
|0100 ( -> )
|
|
|
|
( set system colors )
|
|
#2ce9 .System/r DEO2
|
|
#01c0 .System/g DEO2
|
|
#2ce5 .System/b DEO2
|
|
|
|
( interrupts )
|
|
;on-frame .Screen/vector DEO2
|
|
|
|
( draw "FPS:" and "BUNNIES:" and instructions labels )
|
|
.Screen/width DEI2 #0046 SUB2 #0008 ;text/fps #42 ;draw-str JSR2
|
|
#0004 #0008 ;text/bunnies #42 ;draw-str JSR2
|
|
.Screen/width DEI2 #01 SFT2 #0050 SUB2 #0008 ;text/instructions #43 ;draw-str JSR2
|
|
#0028 #0008 #0000 ;draw-dec JSR2
|
|
|
|
( seed prng )
|
|
#04 ;rand/a STA
|
|
|
|
BRK
|
|
|
|
@on-frame ( -> )
|
|
|
|
( frames++ )
|
|
.frames LDZ2k INC2 ROT STZ2
|
|
.Date/second DEI .last LDZ EQU ,&post-fps-update JCN
|
|
( fps update )
|
|
( update last-secs ) .Date/second DEI .last STZ
|
|
( update fps label ) .Screen/width DEI2 #002b SUB2 #0008 .frames LDZ2 ;draw-dec JSR2
|
|
( reset frames counter ) #0000 .frames STZ2
|
|
|
|
&post-fps-update
|
|
( mouse input to add/remove bunnies )
|
|
.Mouse/state DEI #01 EQU ,&add JCN
|
|
.Mouse/state DEI #01 GTH ,&remove JCN
|
|
,&done JMP
|
|
&add
|
|
;add-bunny JSR2 ,&done JMP
|
|
&remove
|
|
;remove-bunny JSR2 ,&done JMP
|
|
&done
|
|
|
|
( loop from 0 to ;sprite/length to make all ;draw-bunny calls )
|
|
[ ;sprite/length LDA2 ] #0000
|
|
&loop
|
|
EQU2k ,&bail JCN
|
|
DUP2 ,draw-bunny JSR
|
|
INC2 ,&loop JMP
|
|
&bail
|
|
POP2 POP2
|
|
|
|
BRK
|
|
|
|
@draw-bunny ( idx -- )
|
|
|
|
( compute the offset to the beginning of this bunny's data )
|
|
[ #30 SFT2 ;sprite/array ADD2 ]
|
|
|
|
( clear the old sprite location )
|
|
( top )
|
|
[ LDA2k ] #05 SFT2 .Screen/x DEO2
|
|
[ INC2k INC2 LDA2 ] #05 SFT2 .Screen/y DEO2
|
|
#00 ;draw-sprite JSR2
|
|
|
|
( move the sprite by its velocity )
|
|
[ LDA2k ] [ OVR2 #0004 ADD2 LDA2 ] ADD2 OVR2 STA2
|
|
[ INC2k INC2 LDA2 ] [ OVR2 #0006 ADD2 LDA2 ] ADD2 OVR2 INC2 INC2 STA2
|
|
|
|
( check for right wall collision + bounce x )
|
|
[ DUP2 #0004 ADD2 LDA2 ] #0f SFT2 #0001 EQU2 ,&skip-max-x JCN
|
|
[ LDA2k ] #05 SFT2 #0008 ADD2 [ .Screen/width DEI2 ] LTH2 ,&skip-max-x JCN
|
|
[ DUP2 #0004 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0004 ADD2 STA2 ]
|
|
&skip-max-x
|
|
( check for left wall collision + bounce x )
|
|
[ LDA2k ] #0f SFT2 #0000 EQU2 ,&skip-min-x JCN
|
|
[ DUP2 #0004 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0004 ADD2 STA2 ]
|
|
&skip-min-x
|
|
( check for bottom wall collision + bounce y )
|
|
[ DUP2 #0006 ADD2 LDA2 ] #0f SFT2 #0001 EQU2 ,&skip-max-y JCN
|
|
[ INC2k INC2 LDA2 ] #05 SFT2 #0008 ADD2 [ .Screen/height DEI2 ] LTH2 ,&skip-max-y JCN
|
|
[ DUP2 #0006 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0006 ADD2 STA2 ]
|
|
,&skip-gravity JMP
|
|
&skip-max-y
|
|
( check for top wall collision + bounce x )
|
|
[ INC2k INC2 LDA2 ] #0f SFT2 #0000 EQU2 ,&skip-min-y JCN
|
|
[ DUP2 #0006 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0006 ADD2 STA2 ]
|
|
,&skip-gravity JMP
|
|
&skip-min-y
|
|
|
|
( apply gravity )
|
|
[ DUP2 #0006 ADD2 LDA2 ] #0004 ADD2 OVR2 #0006 ADD2 STA2
|
|
&skip-gravity
|
|
|
|
( draw the sprite )
|
|
( top )
|
|
[ LDA2k ] #05 SFT2 .Screen/x DEO2
|
|
[ INC2 INC2 LDA2 ] #05 SFT2 .Screen/y DEO2
|
|
#85 ,draw-sprite ( .. )
|
|
|
|
JMP
|
|
|
|
@draw-sprite ( color -- )
|
|
|
|
#15 .Screen/auto DEO
|
|
;bunny-chr .Screen/addr DEO2
|
|
.Screen/sprite DEO
|
|
#00 .Screen/auto DEO
|
|
|
|
JMP2r
|
|
|
|
@add-bunny ( -- )
|
|
|
|
;sprite/length LDA2
|
|
( cap bunny count at 65535 )
|
|
DUP2 #ffff EQU2 ,&bail JCN
|
|
( compute the offset to the beginning of this new bunny's data )
|
|
DUP2 #30 SFT2 ;sprite/array ADD2
|
|
( populate the new bunny's x/y/xvel/yvel with random values )
|
|
#00 [ ;rand JSR2 ] OVR2 STA2
|
|
[ ;rand JSR2 #1f AND ] [ ;rand JSR2 ] OVR2 INC2 INC2 STA2
|
|
#00 [ ;rand JSR2 #7f AND ] OVR2 #0004 ADD2 STA2
|
|
#00 [ ;rand JSR2 #7f AND ] OVR2 #0006 ADD2 STA2
|
|
( pop ptr to bunny data ) POP2
|
|
( write new increased array length )
|
|
INC2 DUP2 ;sprite/length STA2
|
|
( update label )
|
|
STH2k #0028 #0008 STH2r ;draw-dec JSR2
|
|
&bail
|
|
( pop sprite/length ) POP2
|
|
|
|
JMP2r
|
|
|
|
@draw-str ( x* y* text* color -- )
|
|
|
|
#01 .Screen/auto DEO
|
|
STH
|
|
SWP2 .Screen/y DEO2
|
|
SWP2 .Screen/x DEO2
|
|
&loop
|
|
LDAk #20 SUB #00 SWP #30 SFT2 ;font ADD2 .Screen/addr DEO2
|
|
STHkr .Screen/sprite DEO
|
|
INC2 LDAk ,&loop JCN
|
|
POP2
|
|
STHr POP
|
|
#00 .Screen/auto DEO
|
|
|
|
JMP2r
|
|
|
|
@draw-dec ( x* y* num* -- )
|
|
|
|
#01 .Screen/auto DEO
|
|
SWP2 .Screen/y DEO2
|
|
SWP2 .Screen/x DEO2
|
|
#2710 DIV2k DUP2 NIP ,&digit JSR MUL2 SUB2
|
|
#03e8 DIV2k DUP2 NIP ,&digit JSR MUL2 SUB2
|
|
#0064 DIV2k DUP2 NIP ,&digit JSR MUL2 SUB2 NIP
|
|
#0a DIVk DUP ,&digit JSR MUL SUB
|
|
,&digit JSR
|
|
#00 .Screen/auto DEO
|
|
|
|
JMP2r
|
|
&digit ( num -- )
|
|
#30 SFT #00 SWP ;font/num ADD2 .Screen/addr DEO2
|
|
#41 .Screen/sprite DEO
|
|
JMP2r
|
|
|
|
@remove-bunny ( -- )
|
|
|
|
;sprite/length LDA2
|
|
( don't let length go below 0 )
|
|
ORAk #00 EQU ,&bail JCN
|
|
( clear the old sprite location )
|
|
DUP2 #0001 SUB2 #30 SFT2 ;sprite/array ADD2
|
|
( top )
|
|
[ LDA2k ] #05 SFT2 .Screen/x DEO2
|
|
[ INC2k INC2 LDA2 ] #05 SFT2 .Screen/y DEO2
|
|
( clear )
|
|
#00 ;draw-sprite JSR2
|
|
POP2
|
|
#0001 SUB2 DUP2 ;sprite/length STA2
|
|
( update label )
|
|
STH2k #0028 #0008 STH2r ;draw-dec JSR2
|
|
&bail
|
|
POP2
|
|
|
|
JMP2r
|
|
|
|
( PRNG code taken from flappy.tal -- thanks! )
|
|
|
|
@rand ( -- number )
|
|
|
|
( local vars )
|
|
#04 JMP
|
|
&x $1 &y $1 &z $1 &a $1
|
|
( 8-bit PRNG https://github.com/edrosten/8bit_rng )
|
|
( t = x ^ (x << 4) )
|
|
,&x LDR DUP #40 SFT EOR
|
|
( x = y )
|
|
,&y LDR ,&x STR
|
|
( y = z )
|
|
,&z LDR ,&y STR
|
|
( z = a )
|
|
,&a LDR DUP ,&z STR
|
|
( a = z ^ t ^ (z >> 1) ^ (t << 1) )
|
|
DUPk ADD EOR SWP DUP #01 SFT EOR EOR
|
|
DUP ,&a STR
|
|
|
|
JMP2r
|
|
|
|
( static string data )
|
|
|
|
@text
|
|
&fps "FPS: 00
|
|
&bunnies "BUNS: 00
|
|
&instructions "CLICK 20 "TO 20 "ADD 20 "BUNNIES! 00
|
|
|
|
@font ( atari8.uf1 )
|
|
0000 0000 0000 0000 6060 6060 6000 6000
|
|
6666 6600 0000 0000 006c fe6c 6cfe 6c00
|
|
183e 603c 067c 1800 0066 6c18 3066 4600
|
|
386c 3870 decc 7600 6060 6000 0000 0000
|
|
0e1c 1818 181c 0e00 7038 1818 1838 7000
|
|
0066 3cff 3c66 0000 0018 187e 1818 0000
|
|
0000 0000 0030 3060 0000 007e 0000 0000
|
|
0000 0000 0018 1800 0206 0c18 3060 4000
|
|
&num
|
|
3c66 6e76 6666 3c00 1838 1818 1818 7e00
|
|
3c66 060c 1830 7e00 7e0c 180c 0666 3c00
|
|
0c1c 3c6c 7e0c 0c00 7e60 7c06 0666 3c00
|
|
3c60 607c 6666 3c00 7e06 0c18 3030 3000
|
|
3c66 663c 6666 3c00 3c66 663e 060c 3800
|
|
0060 6000 6060 0000 0030 3000 3030 6000
|
|
0c18 3060 3018 0c00 0000 7e00 007e 0000
|
|
6030 180c 1830 6000 3c66 060c 1800 1800
|
|
3c66 6e6a 6e60 3e00 183c 6666 7e66 6600
|
|
7c66 667c 6666 7c00 3c66 6060 6066 3c00
|
|
786c 6666 666c 7800 7e60 607c 6060 7e00
|
|
7e60 607c 6060 6000 3e60 606e 6666 3e00
|
|
6666 667e 6666 6600 7830 3030 3030 7800
|
|
0606 0606 0666 3c00 666c 7870 786c 6600
|
|
6060 6060 6060 7e00 c6ee fed6 c6c6 c600
|
|
6676 7e7e 6e66 6600 3c66 6666 6666 3c00
|
|
7c66 667c 6060 6000 3c66 6666 766c 3600
|
|
7c66 667c 6c66 6600 3c66 603c 0666 3c00
|
|
7e18 1818 1818 1800 6666 6666 6666 3e00
|
|
6666 6666 663c 1800 c6c6 c6d6 feee c600
|
|
6666 3c18 3c66 6600 6666 663c 1818 1800
|
|
7e06 0c18 3060 7e00 7860 6060 6060 7800
|
|
|
|
@bunny-chr
|
|
2466 6600 2424 003c 4200 007e 7e7e 7e7e
|
|
1818 3c3c 1800 0000 ff66 4242 667e 4242
|
|
|
|
( beginning of sprite pixel data + array )
|
|
|
|
@sprite
|
|
&length $2
|
|
&array
|
|
&x 0600
|
|
&y 0500
|
|
&xvel 0060
|
|
&yvel 0010
|