Yamaha OPL3-SA3 Stereo System User Manual


 
YMF715E
May 21, 1997
-18-
IRQ-A: high-active, edge-sense
Index Best Acceptable1 Acceptable2 Acceptable3
IRQ 10 7,9,10,11 5,7,9,10,11 <-
IRQ-B: high-active, edge-sense
Index Best Acceptable1 Acceptable2 Acceptable3
IRQ 5 5,7 5,7,9,10,11 <-
DMA-A: 8bit, count by byte, type-A, B, F
Index Best Acceptable1 Acceptable2 Acceptable3
DMA 0 0,1,3 0,1,3 <-
DMA-B: 8bit, count by byte, type-A, B, F
Index Best Acceptable1 Acceptable2 Acceptable3
DMA 1 0,1,3 0,1,3 <-
(2) LDN=1:Joystick
I/O (Game Port): 16bit address decode
Index Best Acceptable1 Acceptable2 Acceptable3
I/O 201h 202h 203h 204-20Fh
Length 1 1 1 1
Alignment - - - 1
(3) LDN=2:MODEM
I/O (/MCS): 16bit address decode
Index Best Acceptable1 Acceptable2 Acceptable3
I/O 2F8h 100-FF8h <- <-
Length 8 8 <- <-
Alignment - 8 - -
IRQ: high-active, edge-sense
Index Best Acceptable1 Acceptable2 Acceptable3
IRQ 3 <- <- <-