static READ16_HANDLER( pkgnshdx_input_r )
{
UINT16 sel = ~realbrk_dsw_select[0];
switch(offset)
{
case 0x00/2: return 0xffff;
case 0x02/2: return input_port_0_word_r(0,0);/*Service buttons*/
/*DSW,same handling as realbrk*/
case 0x04/2:
if (sel & 0x01) return (input_port_1_word_r(0,0) & 0x00ff) << 8; // DSW1 low bits
if (sel & 0x02) return (input_port_2_word_r(0,0) & 0x00ff) << 8; // DSW2 low bits
if (sel & 0x04) return (input_port_3_word_r(0,0) & 0x00ff) << 8; // DSW3 low bits
if (sel & 0x08) return (input_port_4_word_r(0,0) & 0x00ff) << 8; // DSW4 low bits
if (sel & 0x10) return ((input_port_1_word_r(0,0) & 0x0300) << 0) | // DSWs high 2 bits
((input_port_2_word_r(0,0) & 0x0300) << 2) |
((input_port_3_word_r(0,0) & 0x0300) << 4) |
((input_port_4_word_r(0,0) & 0x0300) << 6) ;
return 0xffff;
case 0x06/2: return input_port_6_word_r(0,0);/*Buttons+Handle 2p*/
case 0x08/2: return input_port_5_word_r(0,0);/*Buttons+Handle 1p*/
case 0x0a/2: return 0xffff;
case 0x0c/2: return 0xffff;
case 0x0e/2: return 0xffff;
case 0x10/2: return 0xffff;
case 0x12/2: return 0xffff;
}
return 0xffff;
}
static READ16_HANDLER( ioc_r )
{
/* 20 (only once), 76, a0 are read in log */
switch (offset)
{
case 0x80/2:
return input_port_0_word_r(0,mem_mask); /* DSW */
case 0x84/2:
return input_port_1_word_r(0,mem_mask); /* IN0 */
case 0x86/2:
return input_port_2_word_r(0,mem_mask); /* IN1 */
case 0x50:
case 0x51:
return OKIM6295_status_0_r(0)<<8;
break;
}
/*logerror("CPU #0 PC %06x: warning - read unmapped ioc offset %06x\n",activecpu_get_pc(),offset); */
return gcpinbal_ioc_ram[offset];
}
static READ16_HANDLER( i_port1_r )
{
if (control & 0x0080)
return input_port_0_word_r(0,0);
else
return input_port_1_word_r(0,0);
}
static UINT16 exterm_trackball_port_r(int which, UINT16 mem_mask)
{
UINT16 port;
/* Read the fake input port */
UINT8 trackball_pos = readinputport(3 + which);
/* Calculate the change from the last position. */
UINT8 trackball_diff = trackball_old[which] - trackball_pos;
/* Store the new position for the next comparision. */
trackball_old[which] = trackball_pos;
/* Move the sign bit to the high bit of the 6-bit trackball count. */
if (trackball_diff & 0x80)
trackball_diff |= 0x20;
/* Keep adding the changes. The counters will be reset later by a hardware write. */
aimpos[which] = (aimpos[which] + trackball_diff) & 0x3f;
/* Combine it with the standard input bits */
port = which ? input_port_1_word_r(0, mem_mask) :
input_port_0_word_r(0, mem_mask);
return (port & 0xc0ff) | (aimpos[which] << 8);
}
static READ16_HANDLER( darius_ioc_r )
{
switch (offset)
{
case 0x01:
return (taitosound_comm_r(0) & 0xff); /* sound interface read */
case 0x04:
return input_port_0_word_r(0,mem_mask); /* IN0 */
case 0x05:
return input_port_1_word_r(0,mem_mask); /* IN1 */
case 0x06:
return input_port_2_word_r(0,mem_mask); /* IN2 */
case 0x07:
return coin_word; /* bits 3&4 coin lockouts, must return zero */
case 0x08:
return input_port_3_word_r(0,mem_mask); /* DSW */
}
logerror("CPU #0 PC %06x: warning - read unmapped ioc offset %06x\n",activecpu_get_pc(),offset);
return 0xff;
}
static READ32_HANDLER( superchs_input_r )
{
switch (offset)
{
case 0x00:
return (input_port_0_word_r(0,0) << 16) | input_port_1_word_r(0,0) |
(EEPROM_read_bit() << 7);
case 0x01:
return coin_word<<16;
}
return 0xffffffff;
}
static READ16_HANDLER( pkgnsh_input_r )
{
switch(offset)
{
case 0x00/2: return 0xffff;
case 0x02/2: return 0xffff;
case 0x04/2: return input_port_0_word_r(0,0);/*Service buttons*/
case 0x06/2: return input_port_1_word_r(0,0);/*DIP 2*/
case 0x08/2: return input_port_2_word_r(0,0);/*DIP 1*/
case 0x0a/2: return input_port_3_word_r(0,0);/*DIP 1+2 Hi-Bits*/
case 0x0c/2: return input_port_4_word_r(0,0);/*Handle 1p*/
case 0x0e/2: return input_port_5_word_r(0,0);/*Buttons 1p*/
case 0x10/2: return input_port_6_word_r(0,0);/*Handle 2p*/
case 0x12/2: return input_port_7_word_r(0,0);/*Buttons 2p*/
}
return 0xffff;
}
static READ16_HANDLER( control1_r )
{
int res;
/* bit 8 is EEPROM data */
/* bit 9 is EEPROM ready */
/* bit 10 is service button */
res = (EEPROM_read_bit()<<8) | input_port_1_word_r(0,0);
if (init_eeprom_count)
{
init_eeprom_count--;
res &= 0xfbff;
}
return res;
}
