358 lines
8.5 KiB
Plaintext
358 lines
8.5 KiB
Plaintext
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var
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long vsync_addr
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long random_addr
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long stack[40]
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byte music
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byte mute
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byte amoeba
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byte magic_wall
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byte v1cnt, v1ctl
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byte v2cnt, v2ctl
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byte v3cnt, v3ctl
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obj
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sd : "SIDemu"
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pub start(video_params, pin, rnd_addr)
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vsync_addr := long[video_params + constant(6 * 4)]
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random_addr := rnd_addr
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v1cnt := 0
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v2cnt := 0
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v3cnt := 0
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mute := false
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music := false
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amoeba := false
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magic_wall := false
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cognew(process, @stack)
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sd.start(pin)
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sd.set_register(23, $07) 'turn main volume half-up
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pub music_on
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v1cnt := 0
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v2cnt := 0
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v3cnt := 0
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music_init
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music := true
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pub music_off
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sd.set_register(4, sd#CREG_TRIANGLE) 'gate off
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sd.set_register(11, sd#CREG_TRIANGLE) 'gate off
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music := false
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pub moving_sound(surface)
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if mute
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return
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if surface == $00
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sd.set_register(7, $00) 'freq
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sd.set_register(8, $35)
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else ' $01
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sd.set_register(7, $00) 'freq
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sd.set_register(8, $A5)
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sd.set_register(12, $30) 'attack/decay
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sd.set_register(13, $C0) 'sustain/release
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sd.set_register(11, sd#CREG_NOISE | sd#CREG_GATE)
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v2ctl := sd#CREG_NOISE
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v2cnt := 2
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pub boulder_sound
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if mute
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return
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if v1cnt
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return
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sd.set_register(0, $32) 'freq
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sd.set_register(1, $09)
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sd.set_register(5, $00) 'attack/decay
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sd.set_register(6, $F9) 'sustain/release
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sd.set_register(4, sd#CREG_NOISE | sd#CREG_GATE)
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v1ctl := sd#CREG_NOISE
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v1cnt := 1
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pub diamond_sound
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if mute
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return
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if v1cnt
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return
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sd.set_register(0, byte[random_addr]) 'freq
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sd.set_register(1, $86 + byte[random_addr] & $07)
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sd.set_register(5, $00) 'attack/decay
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sd.set_register(6, $F0) 'sustain/release
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sd.set_register(4, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v1ctl := sd#CREG_TRIANGLE
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v1cnt := 2
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pub pick_sound
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if mute
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return
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if v1cnt
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return
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sd.set_register(0, $78) 'freq
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sd.set_register(1, $14)
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sd.set_register(5, $00) 'attack/decay
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sd.set_register(6, $F9) 'sustain/release
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sd.set_register(4, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v1ctl := sd#CREG_TRIANGLE
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v1cnt := 1
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pub explosion_sound
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if mute
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return
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if v1cnt
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return
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sd.set_register(0, $32) 'freq
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sd.set_register(1, $14)
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sd.set_register(5, $19) '$1D 'attack/decay
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sd.set_register(6, $00) 'sustain/release
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sd.set_register(4, sd#CREG_NOISE | sd#CREG_GATE)
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v1ctl := sd#CREG_NOISE
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v1cnt := 200
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pub crack_sound
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if mute
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return
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if v3cnt
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return
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sd.set_register(19, $19) 'attack/decay
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sd.set_register(20, $01) 'sustain/release
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sd.set_register(14, $32) 'freq
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sd.set_register(15, $2F)
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sd.set_register(18, sd#CREG_NOISE | sd#CREG_GATE)
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v3ctl := sd#CREG_NOISE
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v3cnt := 80
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pub magic_wall_sound_on
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if not magic_wall
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magic_wall := true
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sd.set_register(18, sd#CREG_TRIANGLE)
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pub magic_wall_sound_off
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if magic_wall
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magic_wall := false
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v3ctl := sd#CREG_TRIANGLE
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v3cnt := 1
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pub amoeba_sound_on
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if not amoeba
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amoeba := true
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sd.set_register(18, sd#CREG_TRIANGLE)
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pub amoeba_sound_off
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if amoeba
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amoeba := false
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v3ctl := sd#CREG_TRIANGLE
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v3cnt := 1
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var
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byte last_val
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pub time_ending_sound(sec_left)
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mute := true
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if sec_left == last_val
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return
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last_val := sec_left
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if sec_left == 0
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mute := false
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sd.set_register(4, sd#CREG_TRIANGLE)
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waitcnt(clkfreq / 1000 + cnt)
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sd.set_register(0, $00)
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sd.set_register(1, $27 - sec_left)
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sd.set_register(5, $0A) 'attack/decay
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sd.set_register(6, $00) 'sustain/release
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sd.set_register(4, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v1cnt := 0
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pub bonus_point_sound(pts) | i
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sd.set_register(5, $00) 'attack/decay
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sd.set_register(6, $A0) 'sustain/release
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sd.set_register(4, sd#CREG_TRIANGLE | sd#CREG_GATE)
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repeat i from 2 to 30 step 2
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sd.set_register(0, $00)
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sd.set_register(1, $B0 - pts + i)
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waitcnt(clkfreq / 500 + cnt)
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sd.set_register(4, sd#CREG_TRIANGLE)
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pub cover_sound
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if v2cnt
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return
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sd.set_register(12, $05) 'attack/decay
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sd.set_register(13, $00) 'sustain/release
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sd.set_register(7, $00)
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sd.set_register(8, $64 + byte[random_addr] & $7F) 'freq
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sd.set_register(11, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v2ctl := sd#CREG_TRIANGLE
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v2cnt := 1
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pub process | r
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repeat
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'wait for vsync
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repeat while byte[vsync_addr] == 0
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repeat while byte[vsync_addr] <> 0
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if music
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play_note
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if v1cnt
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if --v1cnt == 0
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sd.set_register(4, v1ctl)
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if v2cnt
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if --v2cnt == 0
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sd.set_register(11, v2ctl)
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if v3cnt
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if --v3cnt == 0
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sd.set_register(18, v3ctl)
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if amoeba
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if mute
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sd.set_register(18, sd#CREG_TRIANGLE)
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else
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sd.set_register(19, $00) 'attack/decay
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sd.set_register(20, $40) 'sustain/release
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repeat
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r := byte[random_addr] & $1F
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while r < $07
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sd.set_register(14, $00) 'freq
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sd.set_register(15, r)
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sd.set_register(18, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v3cnt := 2
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elseif magic_wall
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if mute
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sd.set_register(18, sd#CREG_TRIANGLE)
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else
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sd.set_register(19, $00) 'attack/decay
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sd.set_register(20, $A0) 'sustain/release
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r := byte[random_addr] & $03
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sd.set_register(14, $00) 'freq
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sd.set_register(15, $86 + (r << 3))
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sd.set_register(18, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v3cnt := 2
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dat
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notes
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byte $16, $22, $1D, $26, $22, $29, $25, $2E, $14, $24, $1F, $27, $20, $29, $27, $30
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byte $12, $2A, $12, $2C, $1E, $2E, $12, $31, $20, $2C, $33, $37, $21, $2D, $31, $35
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byte $16, $22, $16, $2E, $16, $1D, $16, $24, $14, $20, $14, $30, $14, $24, $14, $20
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byte $16, $22, $16, $2E, $16, $1D, $16, $24, $1E, $2A, $1E, $3A, $1E, $2E, $1E, $2A
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byte $14, $20, $14, $2C, $14, $1B, $14, $22, $1C, $28, $1C, $38, $1C, $2C, $1C, $28
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byte $11, $1D, $29, $2D, $11, $1F, $29, $2E, $0F, $27, $0F, $27, $16, $33, $16, $27
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byte $16, $2E, $16, $2E, $16, $2E, $16, $2E, $22, $2E, $22, $2E, $16, $2E, $16, $2E
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byte $14, $2E, $14, $2E, $14, $2E, $14, $2E, $20, $2E, $20, $2E, $14, $2E, $14, $2E
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byte $16, $2E, $32, $2E, $16, $2E, $33, $2E, $22, $2E, $32, $2E, $16, $2E, $33, $2E
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byte $14, $2E, $32, $2E, $14, $2E, $33, $2E, $20, $2C, $30, $2C, $14, $2C, $31, $2C
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byte $16, $2E, $16, $3A, $16, $2E, $35, $38, $22, $2E, $22, $37, $16, $2E, $31, $35
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byte $14, $2C, $14, $38, $14, $2C, $14, $38, $20, $2C, $20, $33, $14, $2C, $14, $38
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byte $16, $2E, $32, $2E, $16, $2E, $33, $2E, $22, $2E, $32, $2E, $16, $2E, $33, $2E
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byte $14, $2E, $32, $2E, $14, $2E, $33, $2E, $20, $2C, $30, $2C, $14, $2C, $31, $2C
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byte $2E, $32, $29, $2E, $26, $29, $22, $26, $2C, $30, $27, $2C, $24, $27, $14, $20
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byte $35, $32, $32, $2E, $2E, $29, $29, $26, $27, $30, $24, $2C, $20, $27, $14, $20
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freqs
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word $02DC, $030A, $033A, $036C, $03A0, $03D2, $0412, $044C
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word $0492, $04D6, $0520, $056E, $05B8, $0614, $0674, $06D8
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word $0740, $07A4, $0824, $0898, $0924, $09AC, $0A40, $0ADC
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word $0B70, $0C28, $0CE8, $0DB0, $0E80, $0F48, $1048, $1130
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word $1248, $1358, $1480, $15B8, $16E0, $1850, $19D0, $1B60
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word $1D00, $1E90, $2090, $2260, $2490, $26B0, $2900, $2B70
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word $2DC0, $0100, $0200, $0101, $0105, $0100, $0101, $0306
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word $0101, $0102, $0101
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var
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long note
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byte v1sr
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pri music_init
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note := 0
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v1sr := $B0
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sd.set_register(4, sd#CREG_TRIANGLE)
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sd.set_register(5, $4F)
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sd.set_register(6, $00)
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sd.set_register(11, sd#CREG_TRIANGLE)
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sd.set_register(12, $24) '$78)
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sd.set_register(13, $75) '$78)
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pub play_note | n, f
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if v1sr == $B0
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sd.set_register(4, sd#CREG_TRIANGLE)
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sd.set_register(11, sd#CREG_TRIANGLE)
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n := notes.byte[note++]
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f := word[@freqs + 2*n - $14]
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sd.set_register(0, f & $FF)
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sd.set_register(1, f >> 8)
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n := notes.byte[note++]
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f := word[@freqs + 2*n - $14]
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sd.set_register(7, f & $FF)
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sd.set_register(8, f >> 8)
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v1sr := $A0
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return
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if note == 256
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note := 0
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sd.set_register(6, v1sr | $01)
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sd.set_register(4, sd#CREG_TRIANGLE | sd#CREG_GATE)
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sd.set_register(11, sd#CREG_TRIANGLE | sd#CREG_GATE)
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v1sr -= $10
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if v1sr < $40
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v1sr := $B0
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