base:ntsc_frequency_table
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— | base:ntsc_frequency_table [2023-07-07 20:52] – acrouzet | ||
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+ | ====== NTSC frequency table ====== | ||
+ | Note by Frantic: Strictly speaking, this table is A4 = 440 Hz on C64s with the 6567R8 VIC, used in most NTSC machines. It is slightly incorrect for the 6567R56A VIC (which has 262 lines with 64 cycles per line instead of 263 lines with 65 cycles per line). Nevertheless, | ||
+ | |||
+ | < | ||
+ | FreqTableNtscLo: | ||
+ | ; C | ||
+ | .byte $0c, | ||
+ | .byte $18, | ||
+ | .byte $31, | ||
+ | .byte $62, | ||
+ | .byte $c4, | ||
+ | .byte $88, | ||
+ | .byte $0f, | ||
+ | .byte $1e, | ||
+ | |||
+ | 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