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(piano.tal) Faster waveform drawing

This commit is contained in:
Devine Lu Linvega 2023-02-26 20:39:05 -08:00
parent 5d9dc11ec5
commit 612c15e59a
1 changed files with 39 additions and 31 deletions
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70
projects/software/piano.tal
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@ -146,7 +146,8 @@ BRK
@on-touch-wave-view ( -> ) @on-touch-wave-view ( -> )
.Mouse/x DEI2 .wave-view/x1 LDZ2 SUB2 .Audio0/length DEO2 .Mouse/x DEI2 .wave-view/x1 LDZ2 SUB2
( min ) #0010 GTH2k JMP SWP2 POP2 .Audio0/length DEO2
draw-wave draw-wave
BRK BRK
@ -286,20 +287,38 @@ JMP2r
@draw-wave ( -- ) @draw-wave ( -- )
( #01 draw-wave-length ) ( background )
( dotted zero ) .wave-view/x1 LDZ2 .Screen/x DEO2
.wave-view/y1 LDZ2 .Screen/y DEO2
;fill-icn .Screen/addr DEO2
[ LIT2 75 -Screen/auto ] DEO
#e0 &lbg
;dotted-icn .Screen/addr DEO2
[ LIT2 03 -Screen/sprite ] DEO
INC DUP ?&lbg
POP
.wave-view/x1 LDZ2 .Screen/x DEO2 .wave-view/x1 LDZ2 .Screen/x DEO2
( waveform ) ( waveform )
[ LIT2 01 -Screen/auto ] DEO [ LIT2 01 -Screen/auto ] DEO
;sin-pcm/end ;sin-pcm ;sin-pcm/end ;sin-pcm
&loop &loop
LDAk #00 SWP #02 SFT2 .wave-view/y1 LDZ2 ADD2 .Screen/y DEO2
( draw ) DUP2 ;sin-pcm SUB2 NIP .Audio0/length DEI2 NIP GTH INC INC .Screen/pixel DEO DUP2 ;sin-pcm SUB2 .Audio0/length DEI2 DIV2k MUL2 SUB2 ;sin-pcm ADD2 LDA
#00 SWP #02 SFT2 .wave-view/y1 LDZ2 ADD2 .Screen/y DEO2
( draw ) DUP2 ;sin-pcm SUB2 NIP .Audio0/length DEI2 NIP #01 SUB GTH INC .Screen/pixel DEO
INC2 GTH2k ?&loop INC2 GTH2k ?&loop
POP2 POP2 POP2 POP2
( length line )
.wave-view/x1 LDZ2 .Audio0/length DEI2 #0001 SUB2 ADD2 .Screen/x DEO2
.wave-view/y1 LDZ2 .Screen/y DEO2
;line-icn .Screen/addr DEO2
[ LIT2 71 -Screen/auto ] DEO
[ LIT2 05 -Screen/sprite ] DEO
( range ) ( range )
#01 .Screen/auto DEO #01 .Screen/auto DEO
.wave-view/x1 LDZ2 .Screen/x DEO2 .wave-view/x1 LDZ2 .Screen/x DEO2
@ -311,31 +330,6 @@ JMP2r
JMP2r JMP2r
@draw-wave-length ( color -- )
( clear background )
#f2 .Screen/auto DEO
.wave-view/x1 LDZ2 DUP2 .Screen/x DEO2
.wave-view/y1 LDZ2 DUP2 .Screen/y DEO2
,&wipe JSR
.Screen/y DEO2
#0080 ADD2 .Screen/x DEO2
,&wipe JSR
#00 .Screen/auto DEO
STH
.wave-view/x1 LDZ2 .Audio0/length DEI2 ADD2 .Screen/x DEO2
.wave-view/y1 LDZ2 DUP2 #0020 ADD2 SWP2
&loop
DUP2 .Screen/y DEO2
( draw ) STHkr .Screen/pixel DEO
INC2 GTH2k ?&loop
POP2 POP2
POPr
JMP2r
&wipe #00 .Screen/sprite DEOk DEOk DEOk DEO JMP2r
@draw-knob ( x* y* value -- ) @draw-knob ( x* y* value -- )
STH STH
@ -396,6 +390,20 @@ JMP2r
@|assets ) @|assets )
@dotted-icn [
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
aa00 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000 ]
@line-icn [
8080 8080 8080 8080
]
@fill-icn [
ffff ffff ffff ffff ]
@cursor-icn [ @cursor-icn [
80c0 e0f0 f8e0 1000 ] 80c0 e0f0 f8e0 1000 ]
@arrow-icns [ @arrow-icns [