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vendor:yamaha:opl2 [2019/04/02 18:28] lord_nightmare rhythm is dumped already, forgot to remove note. |
vendor:yamaha:opl2 [2019/04/07 23:45] lord_nightmare inline the data from nuke.YKT |
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+ | === YM2413 D0/D1 debug state === | ||
+ | from Nuke.YKT' | ||
+ | YM2413 test data output format(!!not verified on hardware!!). | ||
+ | /CS = 0 | ||
+ | /WE = 1 | ||
+ | A0 = 0 | ||
+ | D0 and D1 serially output test data with internal clock rate | ||
+ | Internal clock rate is MCLK/4 | ||
+ | Clock 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ||
+ | D0: P8 P7 P6 P5 P4 P3 P2 P1 P0 E6 E5 E4 E2 E1 E0 0 0 0 | ||
+ | D1: C8 C7 C6 C5 C4 C3 C2 C1 C0 0 0 0 0 0 0 0 0 0 | ||
+ | |||
+ | Px - Operator 0 phase generator output LSB bits | ||
+ | Ex - Operator 17 envelope generator output | ||
+ | Cx - Channel 6(?) output | ||