base:ntsc_frequency_table
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base:ntsc_frequency_table [2015-04-17 04:33] – created - external edit 127.0.0.1 | base:ntsc_frequency_table [2023-07-08 05:21] (current) – acrouzet | ||
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- | ====== NTSC frequency table ====== | + | ====== NTSC A440 frequency table ====== |
- | Note by Frantic: Strictly speaking, this table correct for the 6567R8 VIC, used in most NTSC machines. It is slightly incorrect | + | Note: Strictly speaking, this table corresponds to A440 tuning on C64s with the 6567R8 VIC, used in most NTSC machines. It is slightly incorrect |
< | < | ||
FreqTableNtscLo: | FreqTableNtscLo: | ||
- | ; C | + | |
- | .byte $0c, | + | |
- | .byte $18, | + | |
- | .byte $31,$71,$b5, | + | |
- | .byte $62,$e2,$6a, | + | |
- | .byte $c4,$c4,$d4,$f0,$20,$60,$b8,$20,$a4,$34,$e4,$a8 ; | + | |
- | .byte $88,$88,$a8,$e0,$40,$c0,$70,$40,$48,$68,$c8,$50 ; | + | |
- | .byte $10,$10,$50,$c0,$80,$80,$e0,$80,$90,$d0,$90,$a0 ; | + | |
- | .byte $20,$20,$a0,$80,$00,$00,$c0,$00,$20,$a0,$20,$40 ; | + | |
- | | + | |
FreqTableNtscHi: | FreqTableNtscHi: | ||
- | ; C | + | |
- | .byte $01, | + | |
- | .byte $02, | + | |
- | .byte $04, | + | |
- | .byte $08, | + | |
- | .byte $10, | + | |
- | .byte $21, | + | |
- | .byte $43, | + | |
- | .byte $86, | + | |
</ | </ |
base/ntsc_frequency_table.txt · Last modified: 2023-07-08 05:21 by acrouzet