C++ (Cpp) M_RDRAM Examples

Example #1

File: pic16c62x.c Project: BrandoCommando/mame

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;
}

Example #2

File: tms32010.c Project: broftkd/historic-mess

INLINE void getdata(UINT8 shift,UINT8 signext)
{
	GET_MEM_ADDR(DMA_DP);
	R.ALU.d = (UINT16)M_RDRAM(memaccess);
	if (signext) R.ALU.d = (INT16)R.ALU.d;
	R.ALU.d <<= shift;
	if (R.opcode.b.l & 0x80) {
		UPDATE_AR();
		UPDATE_ARP();
	}
}

Example #3

File: pic16c5x.c Project: BirchJD/xmame-0.103-RPi

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 = M_RDRAM(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 = M_RDRAM(addr);
					}
					break;
		default:	data = M_RDRAM(addr); break;
	}

	return data;
}

Example #4

File: tms32010.cpp Project: RalfVB/mame

void tms32010_device::getdata(UINT8 shift,UINT8 signext)
{
	if (m_opcode.b.l & 0x80)
		m_memaccess = IND;
	else
		m_memaccess = DMA_DP;

	m_ALU.d = (UINT16)M_RDRAM(m_memaccess);
	if (signext) m_ALU.d = (INT16)m_ALU.d;
	m_ALU.d <<= shift;
	if (m_opcode.b.l & 0x80) {
		UPDATE_AR();
		UPDATE_ARP();
	}
}

Example #5

File: tms32010.cpp Project: Robbbert/store1

void tms32010_device::getdata(uint8_t shift,uint8_t signext)
{
	if (m_opcode.b.l & 0x80)
		m_memaccess = IND;
	else
		m_memaccess = DMA_DP;

	m_ALU.d = (uint16_t)M_RDRAM(m_memaccess);
	if (signext) m_ALU.d = (int16_t)m_ALU.d;
	m_ALU.d <<= shift;
	if (m_opcode.b.l & 0x80) {
		UPDATE_AR();
		UPDATE_ARP();
	}
}

Example #6

File: tms32010.c Project: stuartcarnie/MAME-OS-X

INLINE void getdata(tms32010_state *cpustate, UINT8 shift,UINT8 signext)
{
    if (cpustate->opcode.b.l & 0x80)
        cpustate->memaccess = IND;
    else
        cpustate->memaccess = DMA_DP;

    cpustate->ALU.d = (UINT16)M_RDRAM(cpustate->memaccess);
    if (signext) cpustate->ALU.d = (INT16)cpustate->ALU.d;
    cpustate->ALU.d <<= shift;
    if (cpustate->opcode.b.l & 0x80) {
        UPDATE_AR(cpustate);
        UPDATE_ARP(cpustate);
    }
}

Example #7

File: tms32010.c Project: OS2World/APP-EMULATION-MAME

INLINE void getdata_lar(void)
{
	if (opcode_minor & 0x80) memaccess = ind;
	else memaccess = dma;
	R.ALU = M_RDRAM(memaccess);
	if (opcode_minor & 0x80) {
		if ((opcode_minor & 0x20) || (opcode_minor & 0x10)) {
			if ((opcode_major & 1) != ARP) {
				UINT16 tmpAR = R.AR[ARP];
				if (opcode_minor & 0x20) tmpAR++ ;
				if (opcode_minor & 0x10) tmpAR-- ;
				R.AR[ARP] = (R.AR[ARP] & 0xfe00) | (tmpAR & 0x01ff);
			}
		}
		if (~opcode_minor & 0x08) {
			if (opcode_minor & 1) SET(ARP_REG);
			else CLR(ARP_REG);
		}
	}
}

Example #8

File: tms32010.c Project: OS2World/APP-EMULATION-MAME

INLINE void getdata(UINT8 shift,UINT8 signext)
{
	if (opcode_minor & 0x80) memaccess = ind;
	else memaccess = dma;
	R.ALU = M_RDRAM(memaccess);
	if ((signext) && (R.ALU & 0x8000)) R.ALU |= 0xffff0000;
	else R.ALU &= 0x0000ffff;
	R.ALU <<= shift;
	if (opcode_minor & 0x80) {
		if ((opcode_minor & 0x20) || (opcode_minor & 0x10)) {
			UINT16 tmpAR = R.AR[ARP];
			if (opcode_minor & 0x20) tmpAR++ ;
			if (opcode_minor & 0x10) tmpAR-- ;
			R.AR[ARP] = (R.AR[ARP] & 0xfe00) | (tmpAR & 0x01ff);
		}
		if (~opcode_minor & 0x08) {
			if (opcode_minor & 1) SET(ARP_REG);
			else CLR(ARP_REG);
		}
	}
}