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pctj8404.arc
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TONESET.ASM
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Assembly Source File
|
1986-09-14
|
512b
|
15 lines
; ROUTINE TO SELECT TONE;
toneset proc far
;
push ax ; save registers
; load the time period into the timer
mov al,cl ; lower byte
out 42h,al ; out to timer
mov al,ch ; upper byte
out 42h,al ; out to timer
;
pop ax ; restore registers
ret
;
toneset endp