Yamaha OPL3-SA3 specifications YMF715E, Logical Device Number = 0 SA3 Sound System, May

YMF715E

Logical Device Number = 0 : SA3 Sound System

30h	R/W	Activate
60h	R/W	I/O port base address[15..8], Descriptor 0 (SB base)
61h	R/W	I/O port base address[7..0], Descriptor 0 (SB base)
62h	R/W	I/O port base address[15..8], Descriptor 1 (WSS base)
63h	R/W	I/O port base address[7..0], Descriptor 1 (WSS base)
64h	R/W	I/O port base address[15..8], Descriptor 2 (AdLib base)
65h	R/W	I/O port base address[7..0], Descriptor 2 (AdLib base)
66h	R/W	I/O port base address[15..8], Descriptor 3 (MPU base)
67h	R/W	I/O port base address[7..0], Descriptor 3 (MPU base)
68h	R/W	I/O port base address[15..8], Descriptor 4 (CTRL base)
69h	R/W	I/O port base address[7..0], Descriptor 4 (CTRL base)
70h	R/W	Interrupt request level select 0 (for IRQ-A)
71h	R	Interrupt request type select 0 (for IRQ-A)
72h	R/W	Interrupt request level select 1 (for IRQ-B)
73h	R	Interrupt request type select 1 (for IRQ-B)
74h	R/W	DMA channel select 0 (for DMA-A)
75h	R/W	DMA channel select 1 (for DMA-B)

Logical Device Number = 1 : Joystick

30h	R/W	Activate
60h	R/W	I/O port base address[15..8]
61h	R/W	I/O port base address[7..0]

Logical Device Number = 2 : MODEM (Optional)

30h	R/W	Activate
60h	R/W	I/O port base address[15..8]
61h	R/W	I/O port base address[7..0]
70h	R/W	Interrupt request level select
71h	R	Interrupt request type select

May 21, 1997

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