UINT8 pic16c62x_device::GET_REGFILE(offs_t addr) /* Read from internal memory */
{
UINT8 data;
if (addr == 0) { /* Indirect addressing */
addr = (FSR & m_picRAMmask);
}
switch(addr)
{
case 0x00: /* Not an actual register, so return 0 */
case 0x80:
data = 0;
break;
case 0x02:
case 0x03:
case 0x0b:
case 0x82:
case 0x83:
case 0x8b:
data = M_RDRAM(addr & 0x7f);
break;
case 0x84:
case 0x04: data = (FSR | (UINT8)(~m_picRAMmask));
break;
case 0x05: data = P_IN(0);
data &= m_TRISA;
data |= ((UINT8)(~m_TRISA) & PORTA);
data &= 0x1f; /* 5-bit port (only lower 5 bits used) */
break;
case 0x06: data = P_IN(1);
data &= m_TRISB;
data |= ((UINT8)(~m_TRISB) & PORTB);
break;
case 0x8a:
case 0x0a: data = m_PCLATH;
break;
case 0x81: data = m_OPTION;
break;
case 0x85: data = m_TRISA;
break;
case 0x86: data = m_TRISB;
break;
default: data = M_RDRAM(addr);
break;
}
return data;
}
INLINE UINT8 GET_REGFILE(offs_t addr) /* Read from internal memory */
{
UINT8 data;
if ((picmodel == 0x16C57) || (picmodel == 0x16C58))
{
addr |= (R.FSR & 0x60); /* FSR used for banking */
}
if ((addr & 0x10) == 0) addr &= 0x0f;
switch(addr)
{
case 00: addr = (R.FSR & picRAMmask);
if (addr == 0) { data = 0; break; }
if ((addr & 0x10) == 0) addr &= 0x0f;
data = R.picRAM[addr]; /* Indirect address */
break;
case 04: data = (R.FSR | (~picRAMmask)); break;
case 05: data = P_IN(0);
data &= R.TRISA;
data |= (~R.TRISA & R.PORTA);
data &= 0xf; /* 4-bit port (only lower 4 bits used) */
break;
case 06: data = P_IN(1);
data &= R.TRISB;
data |= (~R.TRISB & R.PORTB);
break;
case 07: if ((picmodel == 0x16C55) || (picmodel == 0x16C57)) {
data = P_IN(2);
data &= R.TRISC;
data |= (~R.TRISC & R.PORTC);
}
else { /* PIC16C54, PIC16C56, PIC16C58 */
data = R.picRAM[addr];
}
break;
default: data = R.picRAM[addr]; break;
}
return data;
}
static void in_p(void)
{
R.ALU.w.l = P_IN( (R.opcode.b.h & 7) );
putdata(R.ALU.w.l);
}
void tms32010_device::in_p()
{
m_ALU.w.l = P_IN( (m_opcode.b.h & 7) );
putdata(m_ALU.w.l);
}
static void in_p(tms32010_state *cpustate)
{
cpustate->ALU.w.l = P_IN( (cpustate->opcode.b.h & 7) );
putdata(cpustate, cpustate->ALU.w.l);
}