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https://github.com/irmen/prog8.git
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added SID registers and sound example program
This commit is contained in:
Irmen de Jong
parent
f08c2828e9
commit
fc67ef8f21
@ -45,7 +45,7 @@
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memory ubyte[8] SPRPTR = 2040 ; the 8 sprite pointers as an array.
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memory ubyte[8] SPRPTR = 2040 ; the 8 sprite pointers as an array.
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; ---- VIC-II registers ----
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; ---- VIC-II 6567/6569/856x registers ----
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memory ubyte SP0X = $d000
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memory ubyte SP0X = $d000
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memory ubyte SP0Y = $d001
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memory ubyte SP0Y = $d001
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@ -103,20 +103,20 @@
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; ---- end of VIC-II registers ----
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; ---- end of VIC-II registers ----
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; ---- CIA 1 & 2 registers ----
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; ---- CIA 6526 1 & 2 registers ----
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memory ubyte CIA1PRA = $DC00 ; CIA 1 DRA, keyboard column drive
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memory ubyte CIA1PRA = $DC00 ; CIA 1 DRA, keyboard column drive
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memory ubyte CIA1PRB = $DC01 ; CIA 1 DRB, keyboard row port
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memory ubyte CIA1PRB = $DC01 ; CIA 1 DRB, keyboard row port
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memory ubyte CIA1DDRA = $DC02 ; CIA 1 DDRA, keyboard column
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memory ubyte CIA1DDRA = $DC02 ; CIA 1 DDRA, keyboard column
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memory ubyte CIA1DDRB = $DC03 ; CIA 1 DDRB, keyboard row
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memory ubyte CIA1DDRB = $DC03 ; CIA 1 DDRB, keyboard row
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memory ubyte CIA1TALO = $DC04 ; CIA 1 timer A low byte
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memory ubyte CIA1TAL = $DC04 ; CIA 1 timer A low byte
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memory ubyte CIA1TAHI = $DC05 ; CIA 1 timer A high byte
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memory ubyte CIA1TAH = $DC05 ; CIA 1 timer A high byte
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memory ubyte CIA1TBLO = $DC06 ; CIA 1 timer B low byte
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memory ubyte CIA1TBL = $DC06 ; CIA 1 timer B low byte
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memory ubyte CIA1TBHI = $DC07 ; CIA 1 timer B high byte
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memory ubyte CIA1TBH = $DC07 ; CIA 1 timer B high byte
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memory ubyte CIA1TOD10 = $DC08 ; time of day, 1/10 sec.
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memory ubyte CIA1TOD10 = $DC08 ; time of day, 1/10 sec.
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memory ubyte CIA1TODS = $DC09 ; time of day, seconds
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memory ubyte CIA1TODSEC = $DC09 ; time of day, seconds
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memory ubyte CIA1TODM = $DC0A ; time of day, minutes
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memory ubyte CIA1TODMMIN = $DC0A ; time of day, minutes
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memory ubyte CIA1TODH = $DC0B ; time of day, hours
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memory ubyte CIA1TODHR = $DC0B ; time of day, hours
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memory ubyte CIA1SDR = $DC0C ; Serial Data Register
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memory ubyte CIA1SDR = $DC0C ; Serial Data Register
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memory ubyte CIA1ICR = $DC0D
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memory ubyte CIA1ICR = $DC0D
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memory ubyte CIA1CRA = $DC0E
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memory ubyte CIA1CRA = $DC0E
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@ -126,14 +126,14 @@
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memory ubyte CIA2PRB = $DD01 ; CIA 2 DRB, RS232 port / USERPORT
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memory ubyte CIA2PRB = $DD01 ; CIA 2 DRB, RS232 port / USERPORT
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memory ubyte CIA2DDRA = $DD02 ; CIA 2 DDRA, serial port and video address
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memory ubyte CIA2DDRA = $DD02 ; CIA 2 DDRA, serial port and video address
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memory ubyte CIA2DDRB = $DD03 ; CIA 2 DDRB, RS232 port / USERPORT
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memory ubyte CIA2DDRB = $DD03 ; CIA 2 DDRB, RS232 port / USERPORT
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memory ubyte CIA2TALO = $DD04 ; CIA 2 timer A low byte
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memory ubyte CIA2TAL = $DD04 ; CIA 2 timer A low byte
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memory ubyte CIA2TAHI = $DD05 ; CIA 2 timer A high byte
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memory ubyte CIA2TAH = $DD05 ; CIA 2 timer A high byte
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memory ubyte CIA2TBLO = $DD06 ; CIA 2 timer B low byte
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memory ubyte CIA2TBL = $DD06 ; CIA 2 timer B low byte
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memory ubyte CIA2TBHI = $DD07 ; CIA 2 timer B high byte
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memory ubyte CIA2TBH = $DD07 ; CIA 2 timer B high byte
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memory ubyte CIA2TOD10 = $DD08 ; time of day, 1/10 sec.
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memory ubyte CIA2TOD10 = $DD08 ; time of day, 1/10 sec.
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memory ubyte CIA2TODS = $DD09 ; time of day, seconds
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memory ubyte CIA2TODSEC = $DD09 ; time of day, seconds
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memory ubyte CIA2TODM = $DD0A ; time of day, minutes
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memory ubyte CIA2TODMIN = $DD0A ; time of day, minutes
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memory ubyte CIA2TODH = $DD0B ; time of day, hours
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memory ubyte CIA2TODHR = $DD0B ; time of day, hours
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memory ubyte CIA2SDR = $DD0C ; Serial Data Register
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memory ubyte CIA2SDR = $DD0C ; Serial Data Register
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memory ubyte CIA2ICR = $DD0D
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memory ubyte CIA2ICR = $DD0D
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memory ubyte CIA2CRA = $DD0E
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memory ubyte CIA2CRA = $DD0E
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@ -141,7 +141,46 @@
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; ---- end of CIA registers ----
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; ---- end of CIA registers ----
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; @todo SID sound chip registers
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; ---- SID 6581/8580 registers ----
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memory ubyte FREQLO1 = $D400 ; channel 1 freq lo
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memory ubyte FREQHI1 = $D401 ; channel 1 freq hi
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memory uword FREQ1 = $D400 ; channel 1 freq (word)
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memory ubyte PWLO1 = $D402 ; channel 1 pulse width lo (7-0)
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memory ubyte PWHI1 = $D403 ; channel 1 pulse width hi (11-8)
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memory uword PW1 = $D402 ; channel 1 pulse width (word)
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memory ubyte CR1 = $D404 ; channel 1 voice control register
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memory ubyte AD1 = $D405 ; channel 1 attack & decay
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memory ubyte SR1 = $D406 ; channel 1 sustain & release
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memory ubyte FREQLO2 = $D407 ; channel 2 freq lo
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memory ubyte FREQHI2 = $D408 ; channel 2 freq hi
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memory uword FREQ2 = $D407 ; channel 2 freq (word)
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memory ubyte PWLO2 = $D409 ; channel 2 pulse width lo (7-0)
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memory ubyte PWHI2 = $D40A ; channel 2 pulse width hi (11-8)
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memory uword PW2 = $D409 ; channel 2 pulse width (word)
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memory ubyte CR2 = $D40B ; channel 2 voice control register
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memory ubyte AD2 = $D40C ; channel 2 attack & decay
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memory ubyte SR2 = $D40D ; channel 2 sustain & release
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memory ubyte FREQLO3 = $D40E ; channel 3 freq lo
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memory ubyte FREQHI3 = $D40F ; channel 3 freq hi
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memory uword FREQ3 = $D40E ; channel 3 freq (word)
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memory ubyte PWLO3 = $D410 ; channel 3 pulse width lo (7-0)
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memory ubyte PWHI3 = $D411 ; channel 3 pulse width hi (11-8)
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memory uword PW3 = $D410 ; channel 3 pulse width (word)
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memory ubyte CR3 = $D412 ; channel 3 voice control register
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memory ubyte AD3 = $D413 ; channel 3 attack & decay
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memory ubyte SR3 = $D414 ; channel 3 sustain & release
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memory ubyte FCLO = $D415 ; filter cutoff lo (2-0)
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memory ubyte FCHI = $D416 ; filter cutoff hi (10-3)
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memory uword FC = $D415 ; filter cutoff (word)
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memory ubyte RESFILT = $D417 ; filter resonance and routing
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memory ubyte MVOL = $D418 ; filter mode and main volume control
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memory ubyte POTX = $D419 ; potentiometer X
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memory ubyte POTY = $D41A ; potentiometer Y
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memory ubyte OSC3 = $D41B ; channel 3 oscillator value read
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memory ubyte ENV3 = $D41C ; channel 3 envelope value read
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; ---- end of SID registers ----
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87
examples/bdmusic.p8
Normal file
87
examples/bdmusic.p8
Normal file
@ -0,0 +1,87 @@
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%import c64utils ; @todo make this import automatic if output is basic prg
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~ main {
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sub start() {
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const ubyte waveform = %0001 ; triangle
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c64.AD1 = %00011010
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c64.SR1 = %00000000
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c64.AD2 = %00011010
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c64.SR2 = %00000000
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c64.MVOL = 15
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c64scr.print("will play the music from boulderdash,\nmade in 1984 by peter liepa.\npress enter to start: ")
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c64.CHRIN()
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c64.CLEARSCR()
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while(true) {
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for uword note in notes {
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ubyte n1 = lsb(note)
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ubyte n2 = msb(note)
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c64.FREQ1 = music_freq_table[n1] ; set lo+hi freq of voice 1
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c64.FREQ2 = music_freq_table[n2] ; set lo+hi freq of voice 2
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; retrigger voice 1 and 2 ADSR
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c64.CR1 = waveform <<4 | 0
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c64.CR2 = waveform <<4 | 0
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c64.CR1 = waveform <<4 | 1
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c64.CR2 = waveform <<4 | 1
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print_notes(n1, n2)
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delay()
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}
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}
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sub delay() {
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for ubyte d in 0 to 12 {
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while(c64.RASTER!=0) {
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; tempo delay synced to screen refresh
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}
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}
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}
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sub print_notes(ubyte n1, ubyte n2) {
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c64.CHROUT('\n')
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c64.PLOT(0, n1/2, 24)
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c64.COLOR=7
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c64.CHROUT('Q')
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c64.PLOT(0, n2/2, 24)
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c64.COLOR=4
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c64.CHROUT('Q')
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}
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}
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; details about the boulderdash music can be found here:
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; https://www.elmerproductions.com/sp/peterb/sounds.html#Theme%20tune
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uword[128] notes = [
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$1622, $1d26, $2229, $252e, $1424, $1f27, $2029, $2730,
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$122a, $122c, $1e2e, $1231, $202c, $3337, $212d, $3135,
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$1622, $162e, $161d, $1624, $1420, $1430, $1424, $1420,
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$1622, $162e, $161d, $1624, $1e2a, $1e3a, $1e2e, $1e2a,
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$142c, $142c, $141b, $1422, $1c28, $1c38, $1c2c, $1c28,
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$111d, $292d, $111f, $292e, $0f27, $0f27, $1633, $1627,
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$162e, $162e, $162e, $162e, $222e, $222e, $162e, $162e,
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$142e, $142e, $142e, $142e, $202e, $202e, $142e, $142e,
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$162e, $322e, $162e, $332e, $222e, $322e, $162e, $332e,
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$142e, $322e, $142e, $332e, $202c, $302c, $142c, $312c,
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$162e, $163a, $162e, $3538, $222e, $2237, $162e, $3135,
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$142c, $1438, $142c, $1438, $202c, $2033, $142c, $1438,
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$162e, $322e, $162e, $332e, $222e, $322e, $162e, $332e,
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$142e, $322e, $142e, $332e, $202c, $302c, $142c, $312c,
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$2e32, $292e, $2629, $2226, $2c30, $272c, $2427, $1420,
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$3532, $322e, $2e29, $2926, $2730, $242c, $2027, $1420
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]
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uword[59] music_freq_table = [
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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732, 778, 826, 876, 928, 978, 1042, 1100, 1170, 1238, 1312, 1390, 1464, 1556,
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1652, 1752, 1856, 1956, 2084, 2200, 2340, 2476, 2624, 2780, 2928, 3112, 3304,
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3504, 3712, 3912, 4168, 4400, 4680, 4952, 5248, 5560, 5856, 6224, 6608, 7008,
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7424, 7824, 8336, 8800, 9360, 9904, 10496, 11120, 11712
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]
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}
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BIN
examples/compiled/bdmusic.prg
Normal file
BIN
examples/compiled/bdmusic.prg
Normal file
Binary file not shown.
Binary file not shown.
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