void keyboard_pcjr_write(uint16_t port, uint8_t val, void *priv)
{
// pclog("keyboard_pcjr : write %04X %02X %02X\n", port, val, keyboard_pcjr.pb);
/* if (ram[8] == 0xc3)
{
output = 3;
}*/
switch (port)
{
case 0x60:
keyboard_pcjr.pa = val;
break;
case 0x61:
keyboard_pcjr.pb = val;
timer_process();
timer_update_outstanding();
speaker_update();
speaker_gated = val & 1;
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(2, val & 1);
sn76489_mute = speaker_mute = 1;
switch (val & 0x60)
{
case 0x00:
speaker_mute = 0;
break;
case 0x60:
sn76489_mute = 0;
break;
}
break;
case 0xa0:
nmi_mask = val & 0x80;
pit_set_using_timer(1, !(val & 0x20));
break;
}
}
void keyboard_pcjr_write(uint16_t port, uint8_t val, void *priv)
{
switch (port)
{
case 0x60:
keyboard_pcjr.pa = val;
break;
case 0x61:
keyboard_pcjr.pb = val;
timer_process();
timer_update_outstanding();
speaker_update();
speaker_gated = val & 1;
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 1);
sn76489_mute = speaker_mute = 1;
switch (val & 0x60)
{
case 0x00:
speaker_mute = 0;
break;
case 0x60:
sn76489_mute = 0;
break;
}
break;
case 0xa0:
nmi_mask = val & 0x80;
pit_set_using_timer(&pit, 1, !(val & 0x20));
break;
}
}