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decouple editor from specific channel, start working on polyphony

This commit is contained in:
Nico 2021-06-18 11:09:20 +01:00
parent e2a22c7789
commit df8bfc1d4c
1 changed files with 22 additions and 11 deletions
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main.tal
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@ -70,9 +70,19 @@
( speed - how many ticks we play a note every )
#10 .Playback/speed STZ
( for the sake of testing, play pattern 0-3 on ch 0-3 )
#00 .Channel0/pattern-index STZ
.Channel0/pattern-index LDZ .Channel0/pattern-addr ;alloc-load-pattern JSR2
#01 .Channel1/pattern-index STZ
.Channel1/pattern-index LDZ .Channel1/pattern-addr ;alloc-load-pattern JSR2
#02 .Channel2/pattern-index STZ
.Channel2/pattern-index LDZ .Channel2/pattern-addr ;alloc-load-pattern JSR2
#03 .Channel3/pattern-index STZ
.Channel3/pattern-index LDZ .Channel3/pattern-addr ;alloc-load-pattern JSR2
( init editor to pattern 0 )
#00 .Edit/pattern-index STZ
.Edit/pattern-index LDZ .Edit/pattern-addr ;alloc-load-pattern JSR2
( display/audio init )
;on-frame .Screen/vector DEO2
@ -97,11 +107,9 @@
BRK
@get-selected-addr ( -- addr* ) ( get the address of the current selection in the pattern )
.Channel0/pattern-addr LDZ2 #00 .Edit/selection-x LDZ ADD2 #00 .Edit/selection-y LDZ PTN_WIDTH MUL2 ADD2
.Edit/pattern-addr LDZ2 #00 .Edit/selection-x LDZ ADD2 #00 .Edit/selection-y LDZ PTN_WIDTH MUL2 ADD2
RTN
( TODO make these relative to the channel alloc/loading to )
@alloc-load-pattern ( index addr -- ) ( alloc a pattern and load it )
STH ( stash target addr )
DUP ( leave the index number on the stack )
@ -210,7 +218,7 @@ RTN
&end
RTN
@on-button ( -> ) ( TODO fix stack overflow when doing directional inputs )
@on-button ( -> )
.Controller/button DEI ( get button )
;handle-cursor JSR2
.Controller/key DEI DUP
@ -224,13 +232,13 @@ RTN
BRK
&next
POP
.Channel0/pattern-index LDZ #01 ADD .Channel0/pattern-index STZ
.Channel0/pattern-index LDZ .Channel0/pattern-addr ;alloc-load-pattern JSR2
.Edit/pattern-index LDZ #01 ADD .Edit/pattern-index STZ
.Edit/pattern-index LDZ .Edit/pattern-addr ;alloc-load-pattern JSR2
BRK
&prev
POP
.Channel0/pattern-index LDZ #01 SUB .Channel0/pattern-index STZ
.Channel0/pattern-index LDZ .Channel0/pattern-addr ;alloc-load-pattern JSR2
.Edit/pattern-index LDZ #01 SUB .Edit/pattern-index STZ
.Edit/pattern-index LDZ .Edit/pattern-addr ;alloc-load-pattern JSR2
BRK
&pause
POP
@ -256,6 +264,9 @@ BRK
@pause ( pause playback )
#00 .Playback/tick STZ
#ff .Audio0/pitch DEO
#ff .Audio1/pitch DEO
#ff .Audio2/pitch DEO
#ff .Audio3/pitch DEO ( kill audio output on all channels )
#0000 .Playback/position STZ2
RTN
@ -374,10 +385,10 @@ RTN
;draw-playhead JSR2
#0000 .Screen/x DEO2
#0000 .Screen/y DEO2
.Channel0/pattern-index LDZ ;draw-byte JSR2
.Edit/pattern-index LDZ ;draw-byte JSR2
.Draw/pattern-x LDZ2 .Screen/x DEO2
.Draw/pattern-y LDZ2 .Screen/y DEO2
.Channel0/pattern-addr LDZ2 ;draw-pattern JSR2
.Edit/pattern-addr LDZ2 ;draw-pattern JSR2
RTN
@play-line ( addr ch ) ( plays the pattern line at addr on the channel ch )