mirror of
https://github.com/deater/dos33fsprogs.git
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75 lines
1.0 KiB
Plaintext
75 lines
1.0 KiB
Plaintext
AYemul converted:
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5952 lines * 14 bytes worst case = 83k
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5952 = 31 * 192, and 14 unique patterns so 14*192 = 2688 * 14 = 37k
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Patterns: 31?
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0 1 2 3 4 5 4 6 7 8 9 A 4 5 4 6 7 8 9 A 4 5 B C 7 8 9 A 9 A D
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R0/R1 = A Fine/Coarse
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R2/R3 = B Fine/Coarse
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R4/R5 = C Fine/Coarse
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R6 = Noise period
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R7 = Enable (noise/tone)
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R8 = A amp
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R9 = B amp
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R10 = C amp
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R11/R12 = Envelope Period
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R13 = Envelope Shape
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AF,AC+AAmp
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BF,BC+BAmp
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CF,CC+CAmp
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We don't use envelope here, so we can get by with
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8 bytes/frame
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2688*8=21k
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Converting MOD to PT3
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Effects:
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MOD PT3
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~~~ ~~~
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F02 Temp 100 Tone up
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C0A Volume 200 Tone Down
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A20 Vol slide up 300 Portamendo
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400 Vibrato 400 Sample offset
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3FF Tone Portamendo 500 Ornament offset
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600 Vibrato
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900 Envelope slide up
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A00 Envelope slide down
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B00 Speed
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PT3 fields:
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Note
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Sample#
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Envelope Type
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Ornament Number
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Channel Volume
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Volume: On AY-3-8910 this is logarithmic
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MOD PT3
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$40 f
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$35- e
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$26- d
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$1b- c
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$13- b
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$e- a
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$9- 9
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$7- 8
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$4 7
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$3 6
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$2 5
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$1 3
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