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Optimized screen.tal

This commit is contained in:
neauoire 2021-08-02 08:59:16 -07:00
parent de3591c07e
commit 55d0ca4a1e
1 changed files with 19 additions and 22 deletions
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41
projects/examples/devices/screen.tal
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@ -37,21 +37,20 @@ BRK
@draw-table ( -- )
#00 #10
#10 #00
&loop
OVR #08 MUL #00 SWP ;font-hex ADD2 .Screen/addr DEO2
DUP #08 MUL #00 SWP ;font-hex ADD2 .Screen/addr DEO2
( x-axis )
OVR #08 MUL #00 SWP
DUP #08 MUL #00 SWP
.center/x LDZ2 #0040 SUB2 ADD2 .Screen/x DEO2
.center/y LDZ2 #0050 SUB2 .Screen/y DEO2
( draw ) #01 .Screen/sprite DEO
( y-axis )
OVR #08 MUL #00 SWP
DUP #08 MUL #00 SWP
.center/y LDZ2 #0040 SUB2 ADD2 .Screen/y DEO2
.center/x LDZ2 #0050 SUB2 .Screen/x DEO2
( draw ) #01 .Screen/sprite DEO
( incr ) SWP #01 ADD SWP
LTHk ,&loop JCN
#01 ADD GTHk ,&loop JCN
POP2
RTN
@ -61,12 +60,12 @@ RTN
;preview_icn .Screen/addr DEO2
#00 #00
&loop
( move ) OVR #0f AND #40 SFT #02 DIV #00 SWP
( move ) DUP #0f AND #40 SFT #02 DIV #00 SWP
.center/x LDZ2 #0040 SUB2 ADD2 .Screen/x DEO2
( move ) OVR #f0 AND #02 DIV #00 SWP
( move ) DUP #f0 AND #02 DIV #00 SWP
.center/y LDZ2 #0040 SUB2 ADD2 .Screen/y DEO2
( draw ) OVR .Screen/sprite DEO
( incr ) SWP #01 ADD SWP
( draw ) DUP .Screen/sprite DEO
( incr ) #01 ADD
NEQk ,&loop JCN
POP2
@ -74,32 +73,30 @@ RTN
@draw-1bpp ( -- )
#00 #10
#10 #00
&loop
( color ) OVR STH
( y ) OVR #04 DIV [ #00 SWP ] #0010 MUL2
( color ) STHk
( y ) DUP #04 DIV [ #00 SWP ] #0010 MUL2
[ .center/y LDZ2 #0040 SUB2 ADD2 ] STH2
( x ) OVR #03 AND [ #00 SWP ] #0010 MUL2 #0040 ADD2
( x ) DUP #03 AND [ #00 SWP ] #0010 MUL2 #0040 ADD2
[ .center/x LDZ2 #0008 ADD2 ADD2 ]
STH2r STHr #00 ;draw-circle JSR2
SWP #01 ADD SWP
LTHk ,&loop JCN
#01 ADD GTHk ,&loop JCN
POP2
RTN
@draw-2bpp ( -- )
#00 #10
#10 #00
&loop
( color ) OVR STH
( y ) OVR #04 DIV [ #00 SWP ] #0010 MUL2
( color ) STHk
( y ) DUP #04 DIV [ #00 SWP ] #0010 MUL2
[ .center/y LDZ2 ADD2 ] STH2
( x ) OVR #03 AND [ #00 SWP ] #0010 MUL2 #0040 ADD2
( x ) DUP #03 AND [ #00 SWP ] #0010 MUL2 #0040 ADD2
[ .center/x LDZ2 #0008 ADD2 ADD2 ]
STH2r STHr #80 ;draw-circle JSR2
SWP #01 ADD SWP
LTHk ,&loop JCN
#01 ADD GTHk ,&loop JCN
POP2
RTN