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uxn/projects/examples/devices/screen.tal
2022-11-10 09:21:02 -08:00

143 lines
3 KiB
Tal

( Screen:
Draws a table of all possible sprite arrangements. )
|00 @System &vector $2 &wst $1 &rst $1 &pad $4 &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
|0000
@count $2
@center &x $2 &y $2
|0100 ( -> )
( vector )
;on-frame .Screen/vector DEO2
( theme )
#f07f .System/r DEO2
#f0e0 .System/g DEO2
#f0c0 .System/b DEO2
( gba screen size 00f0 x 00a0 )
( nds screen size 0100 x 00c0 )
#00f0 .Screen/width DEO2
#00a0 .Screen/height DEO2
( find screen center )
.Screen/width DEI2 #01 SFT2 .center/x STZ2
.Screen/height DEI2 #01 SFT2 .center/y STZ2
( draw )
;draw-sprites JSR2
;draw-1bpp JSR2
;draw-2bpp JSR2
#00 .Screen/auto DEO
BRK
@on-frame ( -> )
#01 .Screen/auto DEO
.count LDZ2 INC2 [ DUP2 ] .count STZ2
.center/x LDZ2 #0050 ADD2 .Screen/x DEO2
.center/y LDZ2 #0048 SUB2 .Screen/y DEO2
;draw-short JSR2
BRK
@draw-sprites ( -- )
( horizontal )
.center/x LDZ2 #0060 SUB2 .Screen/x DEO2
.center/y LDZ2 #0048 SUB2 .Screen/y DEO2
;font-hex .Screen/addr DEO2
#f6 .Screen/auto DEO
#01 .Screen/sprite DEO
( vertical )
.center/x LDZ2 #0070 SUB2 .Screen/x DEO2
.center/y LDZ2 #0038 SUB2 .Screen/y DEO2
;font-hex .Screen/addr DEO2
#f5 .Screen/auto DEO
#01 .Screen/sprite DEO
#00 .Screen/auto DEO
( table )
;preview_icn .Screen/addr DEO2
#0000
&loop
( move ) #00 OVR #0f AND [ #40 SFT #01 SFT ]
.center/x LDZ2 #0060 SUB2 ADD2 .Screen/x DEO2
( move ) #00 OVR #f0 AND #01 SFT
.center/y LDZ2 #0038 SUB2 ADD2 .Screen/y DEO2
( draw ) DUP .Screen/sprite DEO
INC NEQk ,&loop JCN
POP2
JMP2r
@draw-1bpp ( -- )
#1000
&loop
( color ) STHk
( y ) #00 OVR #42 SFT2
.center/y LDZ2 #0038 SUB2 ADD2 STH2
( x ) #00 OVR #03 AND #40 SFT2 #0040 ADD2
.center/x LDZ2 #0010 SUB2 ADD2
STH2r STHr #00 ,draw-circle JSR
INC GTHk ,&loop JCN
POP2
JMP2r
@draw-2bpp ( -- )
#1000
&loop
( color ) STHk
( y ) #00 OVR #42 SFT2
.center/y LDZ2 #0008 ADD2 ADD2 STH2
( x ) #00 OVR #03 AND #40 SFT2 #0040 ADD2
.center/x LDZ2 #0010 SUB2 ADD2
STH2r STHr #80 ,draw-circle JSR
INC GTHk ,&loop JCN
POP2
JMP2r
@draw-circle ( x* y* color depth -- )
ADD STH
;preview_icn .Screen/addr DEO2
.Screen/y DEO2
.Screen/x DEO2
#01 .Screen/auto DEO
STHr .Screen/sprite DEOk
#02 .Screen/auto DEO
SWP #10 ADD SWP DEOk
.Screen/x DEI2k #0008 SUB2 ROT DEO2
#01 .Screen/auto DEO
SWP #10 ADD SWP DEOk
SWP #10 ADD SWP DEO
JMP2r
@draw-short ( short* -- )
SWP ,&byte JSR
&byte ( byte -- ) DUP #04 SFT ,&hex JSR #0f AND
&hex ( char -- )
#00 SWP #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
#01 .Screen/sprite DEO
JMP2r
@preview_icn
0f38 675f dfbf bfbf 0007 1820 2344 4848
@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
007c 8280 fc82 827c 007c 8202 1e02 0202
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