Difference between revisions of "Z80 Routines:Sound:Beep"
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| − | By Joe Wingbermuehle (joewing@calc.org). This routine was written for the ZLib library for the SOS shell. | + | [[Category:Z80 Routines:Sound|beep]] |
| + | [[Category:Z80 Routines|beep]] | ||
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| + | By Joe Wingbermuehle (joewing@calc.org). This routine was written for the ZLib library for the SOS | ||
| + | shell. | ||
<nowiki> | <nowiki> | ||
Revision as of 05:37, 13 July 2005
By Joe Wingbermuehle (joewing@calc.org). This routine was written for the ZLib library for the SOS
shell.
;---------= Make a sound =--------- ; c=frequency, b=duration beep: di ld e,$D0 beepl1: ld a,c beepl2: dec a jr nz,beepl2 ld a,e xor %00000011 ld e,a out (0),a djnz beepl1 ei error: ret
