Baffa-2 Soundcard Ay-3-8910
Settings
Default Port Z80 : D0h / D8hDefault Port Z180: 60h / 68h
MSX Port : A0h - A2h
Colecovision Port: 50h - 52h
ZX Spectrum Port FFFDh / BFFDh
| JP1 (Use A4 for Enable JP4) | ||
|---|---|---|
| =o (1-2) | VCC | |
| o= (2-3) | A4 | |
| JP4 (CS) | VCC | A4 |
| pin1 |8888888 | 00h | 10h |
| pin2 8|888888 | 80h | 90h |
| pin3 88|88888 | 40h | 50h |
| pin4 888|8888 | C0h | D0h |
| pin5 8888|888 | 20h | 30h |
| pin6 88888|88 | A0h | B0h |
| pin7 888888|8 | 60h | 70h |
| pin8 8888888| | E0h | F0h |
| JP2 (Enable Selector) | ||
| =o (1-2) | CS | |
| o= (2-3) | A15 | |
| JP3 (Reg) | ||
| pin1 |88 | A14 | |
| pin2 8|8 | A3 | |
| pin3 88| | A2 | |
| A2 (JP2 CS/A15) | A3 (JP2 CS/A15) | A14 (JP2 CS/A15) | A15 | A14 | WR | RD | - | BDIR | BC1 |
|---|---|---|---|---|---|---|---|---|---|
| 0000h/8000h | 0000h/8000h | 0000h/8000h | 1 | 0 | 0 | 1 | Y4 | 1 | 0 |
| 0004h/8004h | 0008h/8008h | 4000h/C000h | 1 | 1 | 0 | 1 | Y5 | 1 | 1 |
| 0000h/8000h | 0000h/8000h | 0000h/8000h | 1 | 0 | 1 | 0 | Y2 | 0 | 0 |
| 0004h/8004h | 0008h/8008h | 4000h/C000h | 1 | 1 | 1 | 0 | Y3 | 0 | 1 |
| JP5 (Clock Division) | ||
|---|---|---|
| =o (1-2) | Clock divide by 1/2 | |
| o= (2-3) | Clock divide by 1/4 | |
| JP6 | ||
| = | AY8910 TEST2 | |
| = | YM2149 divides the input clock by 2 | |
| oo | disabled | |
| IOBAR | ||
| pin1 | gnd | vcc |
| pin2 | IOB7 | IOB6 |
| pin3 | IOB5 | IOB4 |
| pin4 | IOB3 | IOB2 |
| pin5 | IOB1 | IOB0 |
| pin6 | IOA7 | IOA6 |
| pin7 | IOA5 | IOA4 |
| pin8 | IOA3 | IOA2 |
| pin9 | IOA1 | IOA0 |
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