120 lines
4.5 KiB
Plaintext
120 lines
4.5 KiB
Plaintext
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'' HIVE - Soundadapter zu Regnatix/Administra
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CON
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'signaldefinitionen bellatrix
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#0, D0,D1,D2,D3,D4,D5,D6,D7 'datenbus
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#8, BEL_VGABASE 'vga-signale (8pin)
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#16, BEL_KEYBC,BEL_KEYBD 'keyboard-signale
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#18, BEL_MOUSEC,BEL_MOUSED 'maus-signale
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#20, BEL_VIDBASE 'video-signale(3pin)
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#23, BEL_SELECT 'belatrix-auswahlsignal
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#24, HBEAT 'front-led
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BUSCLK 'bustakt
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BUS_WR '/wr - schreibsignal
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BUS_HS ' '/hs - quittungssignal
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VAR
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byte sndfx ' Kommando für Administra
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byte fcCog ' Flag ob cCog gestartet
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long cStack[32] ' Stack für cCog
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long hsspeek[4] ' Registerwerte Musikplayer
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PUB start: Pass
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Pass := (fcCog := cognew(cCog, @cStack)+1) > 0
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PUB cCog | cmd,i
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bus_init
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repeat
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repeat
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bus_putchar(0)
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repeat i from 0 to 3
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hsspeek[i] := sub_getlong ' soundregister einlesen
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until sndfx > 0 'warte bis fx gesendet werden soll
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bus_putchar(sndfx~) 'sndfx-Kommando senden und löschen
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repeat i from 0 to 3
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hsspeek[i] := sub_getlong ' soundregister einlesen
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CON 'BUS-Routinen
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'
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' hbeat --------+
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' clk -------+|
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' /wr ------+||
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' /hs -----+||| +------------------------- /cs
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' |||| | -------- d0..d7
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DB_IN = %00001001_00000000_00000000_00000000 'maske: dbus-eingabe
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DB_OUT = %00001001_00000000_00000000_11111111 'maske: dbus-ausgabe
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M1 = %00000010_00000000_00000000_00000000
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M2 = %00000010_10000000_00000000_00000000 'busclk=1? & /cs=0?
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M3 = %00000000_00000000_00000000_00000000
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M4 = %00000010_00000000_00000000_00000000 'busclk=0?
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PUB bus_putchar(zeichen) 'BUS: Ein Byte ?ber BUS ausgeben
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{{ein byte ?ber bus ausgeben Belltrix --> Regnatix}}
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waitpeq(M1,M2,0) 'busclk=1? & prop2=0?
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dira := db_out 'datenbus auf ausgabe stellen
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outa[7..0] := zeichen 'daten ausgeben
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outa[bus_hs] := 0 'daten g?ltig
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waitpeq(M3,M4,0) 'busclk=0?
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dira := db_in 'bus freigeben
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outa[bus_hs] := 1 'daten ung?ltig
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PUB bus_getchar : zeichen 'BUS: Ein Byte ?ber BUS empfangen
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{{ein byte ?ber bus empfangen Regnatix --> Bellatrix}}
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waitpeq(M1,M2,0) 'busclk=1? & prop2=0?
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zeichen := ina[7..0] 'daten einlesen
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outa[bus_hs] := 0 'daten quittieren
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outa[bus_hs] := 1
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waitpeq(M3,M4,0) 'busclk=0?
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PUB bus_init
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{{initialisierung des bussystems}}
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dira := db_in 'datenbus auf eingabe schalten
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outa[bus_hs] := 1 'handshake inaktiv
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PUB sub_getlong:wert 'sub: long empfangen
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''funktionsgruppe : sub
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''funktion : subprotokoll um einen long-wert von regnatix zu empfangen
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''eingabe : -
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''ausgabe : 32bit-wert der empfangen wurde
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''busprotokoll : [get.byte1][get.byte2][get.byte3][get.byte4]
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'' : [ hsb ][ ][ ][ lsb ]
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wert := bus_getchar << 24 '32 bit empfangen hsb/lsb
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wert := wert + bus_getchar << 16
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wert := wert + bus_getchar << 8
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wert := wert + bus_getchar
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CON 'Usersounds
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PUB mus1 ' intro-musik
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sndfx := 1
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PUB mus2 ' ingame-musik
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sndfx := 2
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PUB sfx1
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sndfx := 3
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PUB sfx2
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sndfx := 4
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PUB peek(regnr): wert ' rückgabewert für musikmonitor
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wert := hsspeek[regnr]
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PUB mus_stop
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sndfx := 5
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PUB shoot_exit
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sndfx := 6
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waitcnt(cnt+clkfreq)
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reboot
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