BYTE cia2_read(WORD addr)
{
BYTE retval = 0xff;
if ((addr & 0x1f) == 1) {
/* FIXME: in the upcoming userport system this call needs to be conditional */
retval = userport_joystick_read_pbx(retval);
if (ps2mouse_enabled) {
retval &= (ps2mouse_read() | 0x3f);
}
if (c64dtv_hummer_adc_enabled) {
retval &= (hummeradc_read() | 0xf8);
}
return retval;
}
/* disable TOD & serial */
if (((addr & 0xf) >= 8) && ((addr & 0xf) <= 0xc)) {
return 0xff;
}
return ciacore_read(machine_context.cia2, addr);
}
BYTE cia2_read(WORD addr)
{
BYTE retval = 0xff;
if ((addr & 0x1f) == 1) {
retval = read_userport_pbx(0x1f, retval);
/* The functions below will gradually be removed as the functionality is added to the new userport system. */
if (ps2mouse_enabled) {
retval &= (ps2mouse_read() | 0x3f);
}
if (c64dtv_hummer_adc_enabled) {
retval &= (hummeradc_read() | 0xf8);
}
return retval;
}
/* disable TOD & serial */
if (((addr & 0xf) >= 8) && ((addr & 0xf) <= 0xc)) {
return 0xff;
}
return ciacore_read(machine_context.cia2, addr);
}