add command system, add V and I commands
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37
engine.tal
37
engine.tal
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@ -1,5 +1,10 @@
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( TODO
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commmands )
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* 0x03 (A) - set attack to argument 1-0f
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* 0x04 (D) - set decay to argument 1-0f
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* 0x05 (S) - set sustain to argument 1-0f
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* 0x06 (R) - set release to argument 1-0f
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* 0x07 (T) - set song speed to argument 1-0f
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* 0x08 (L) - set sample loop 00: off, otherwise: on )
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@k-tick
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&run
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@ -16,7 +21,7 @@ commmands )
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( don't play if song pos is ffff aka song is stopped or over )
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#ffff EQU2 ;&no-play JCN2 ( songpos* )
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#0005 ADD2 .kalama/module LDZ2 ADD2 ( songposinmod* )
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DUP2 LDA ;k-get-pattern/run JSR2 ;&lineaddr LDA2 ADD2 #00 ;k-play-line/run JSR2
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DUP2 LDA ;k-get-pattern/run JSR2 ;&lineaddr LDA2 ADD2 #00 ;k-play-line/run JSR2
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DUP2 #0001 ADD2 LDA ;k-get-pattern/run JSR2 ;&lineaddr LDA2 ADD2 #01 ;k-play-line/run JSR2
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DUP2 #0002 ADD2 LDA ;k-get-pattern/run JSR2 ;&lineaddr LDA2 ADD2 #02 ;k-play-line/run JSR2
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#0003 ADD2 LDA ;k-get-pattern/run JSR2 ;&lineaddr LDA2 ADD2 #03 ;k-play-line/run JSR2
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@ -91,9 +96,10 @@ RTN
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&chan $1
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&run
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,&chan STR
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DUP2 #0001 ADD2 LDA2 ,&chan LDR ;k-run-command/run JSR2
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LDA DUP
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#00 EQU ,&rest JCN
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.kalama/loopflags LDZ ,&chan LDR #01 SWP SFT AND
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.kalama/loopflags LDZ ,&chan LDR #10 MUL #01 SWP SFT AND
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#00 NEQ ,&noloop JCN
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#80 ORA
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&noloop
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@ -103,6 +109,19 @@ LDA DUP
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POP
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RTN
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@k-run-command ( c arg channel )
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&chan $1
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&run
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,&chan STR
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SWP ( get command )
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DUP #01 EQU ,&vol JCN ( set instrument )
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DUP #02 EQU ,&instr JCN ( set instrument )
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POP2 RTN
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&vol POP ,&chan LDR #10 MUL .Audio0/volume ADD DEO
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RTN
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&instr POP ,&chan LDR ;k-load-instrument JSR2
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RTN
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( loads instrument with number into specified audio channel, 0-indexed )
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@k-load-instrument ( number channel -- )
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&run
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@ -113,16 +132,16 @@ RTN
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#0002 ADD2 ( move to volume value )
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DUP2 LDA STHrk .Audio0/volume ADD DEO ( copy volume value )
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#0001 ADD2 DUP2 ( move to flags value )
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LDA #07 SFT ( MSB is set for looping sample, turn it into 0/1 )
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DUP ( set or clear loop bit )
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LDA #07 SFT ( MSB is set for looping sample, turn it into 0/1 )
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( set or clear loop bit )
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#00 EQU ,&clear JCN
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STHrk SFT .kalama/loopflags LDZ ORA .kalama/loopflags STZ ( set bit on )
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#01 STHrk SFT .kalama/loopflags LDZ ORA .kalama/loopflags STZ ( set bit on )
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,&end JMP
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&clear
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STHrk SFT #ff EOR .kalama/loopflags LDZ AND .kalama/loopflags STZ ( set bit off )
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#01 STHrk SFT #ff EOR .kalama/loopflags LDZ AND .kalama/loopflags STZ ( set bit off )
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&end
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#0001 ADD2 LDA2k STHrk .Audio0/adsr ADD DEO2 ( copy ADSR value )
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#0002 ADD2 STHrk .Audio0/addr ADD DEO2
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@ -65,6 +65,7 @@ More soon probably
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* 0x06 (R) - set release to argument (1-0f)
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* 0x07 (T) - set song speed to argument (1-0f)
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* 0x08 (L) - set sample loop ( 00: off, otherwise: on )
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## Instruments
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Instruments contain a sample and some default parameters for that sample. Everything is in the same format expected by the audio device.
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40
player.tal
40
player.tal
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@ -1,4 +1,3 @@
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( a blank file )
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%DEBUG { ;print-hex/byte JSR2 #0a18 DEO }
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@ -43,9 +42,6 @@
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#0f25 .System/b DEO2
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;module ;k-init-module JSR2
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#00 #00 ;k-load-instrument JSR2
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#01 #01 ;k-load-instrument JSR2
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;on-frame/run .Screen/vector DEO2
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BRK
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@ -98,13 +94,13 @@ ff 02 ff ff ( song table, 2 rows )
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@DEBUG-patterns
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( pattern 00 )
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54 02 00 ( C-3 I00 )
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52 00 00
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54 00 00
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4f 00 00
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4b 00 00
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4f 00 00
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48 00 00
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ff 00 00
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52 01 80
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54 01 08
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4f 01 80
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4b 01 08
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4f 01 22
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48 01 cc
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ff 01 88
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54 02 00
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52 00 00
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54 00 00
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@ -114,34 +110,34 @@ ff 00 00
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48 00 00
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ff 00 00
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( pattern 01 )
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54 00 00
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56 02 00 ( C-3 I00 )
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54 02 01
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56 00 00
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57 00 00
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56 00 00
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57 00 00
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54 00 00
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56 00 00
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56 02 00
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54 00 00
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56 00 00
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52 00 00
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54 00 00
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54 02 01
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52 00 00
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54 00 00
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50 00 00
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54 00 00
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54 02 00
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ff 00 00
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( pattern 02 )
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3c 02 01
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00 01 f0
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3c 00 00
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00 00 00
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3c 00 00
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3c 01 0f
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00 00 00
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3c 00 00
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3c 01 ff
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00 00 00
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3c 00 00
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3c 01 44
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00 00 00
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3c 00 00
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00 00 00
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3c 00 00
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3c 01 ff
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00 00 00
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3c 00 00
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00 00 00
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