38 lines
788 B
Plaintext
Executable file
38 lines
788 B
Plaintext
Executable file
:asm >spk ( div -- )
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MOV AL 0xb6 #
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OUT 0x43 # AL
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POP AX
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OUT 0x42 # AL
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MOV AL AH
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OUT 0x42 # AL
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IN AL 0x61 #
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OR AL 0x03 #
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OUT 0x61 # AL
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NEXT
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:asm freq>div ( f -- d )
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MOV AX 0x34df #
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MOV DX 0x12 #
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POP BX
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DIV BX
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PUSH AX
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NEXT
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:asm silence ( -- )
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IN AL 0x61 #
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AND AL 0xfc #
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OUT 0x61 # AL
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NEXT
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: slide ( freq count + -- )
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>r swap freq>div swap begin over >spk 2 sleep-csec swap r@ + swap 1- dup not until
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rdrop drop drop silence ;
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: divboop ( count div ) >spk sleep-csec silence ;
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: boop ( freq count -- ) swap freq>div divboop ;
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: noise ( count -- )
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begin rand >spk 1 sleep-csec 1- dup not until drop silence ;
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: spk-arp ( f1 f2 count -- ) times each dup 1 boop swap next drop drop ;
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deferred arp spk-arp
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