board118.c

REG8 control118;
static REG8 IOINPCALL csctrl_i148f(UINT port) {
TRACEOUT(("%x read",port));
(void)port;
if(sound118 == 0) return(0xf3);//PC-9801-118は3だけどYMFは0xff 2000はこれだけじゃまだダメ
if(sound118 == 0x05){
if(control118==4)return 4;
if(control118==0x0c) return 4;
if(control118==0)return 0;
}
if(sound118 == 0x04) return (0x00);
if(sound118 == 0x21){
switch(10/*mpu98.irqnum2*/){//MIDI割り込み 00:IRQ10　01:IRQ6 02:IRQ5 03:IRQ3
case 10:return 0;
case 6: return 1;
case 5: return 2;
case 3: return 3;
default: return 0;
}
}
if(sound118 == 0xff) return (0x05);//bit0 MIDI割り込みあり bit1:Cb Na7 bit2:Mate-X bit3:A-Mate Ce2
else
return(0xff);
}