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|
/* Modern device for the MCF5206e Peripherals
this can be hooked properly to the CPU once the CPU is a modern device too
*/
#include "emu.h"
#include "mcf5206e.h"
void CLIB_DECL nolog(const char *format, ...) {}
//#define debuglog printf
#define debuglog logerror
#define invalidlog printf
//#define invalidlog logerror
//#define debuglogtimer printf
//#define debuglogtimer logerror
#define debuglogtimer nolog
static ADDRESS_MAP_START( coldfire_regs_map, AS_0, 32, mcf5206e_peripheral_device )
AM_RANGE(0x014, 0x017) AM_READWRITE8(ICR1_ICR2_ICR3_ICR4_r, ICR1_ICR2_ICR3_ICR4_w, 0xffffffff)
AM_RANGE(0x01c, 0x01f) AM_READWRITE8(ICR9_ICR10_ICR11_ICR12_r, ICR9_ICR10_ICR11_ICR12_w, 0xffffffff)
AM_RANGE(0x020, 0x023) AM_READWRITE8(ICR13_r, ICR13_w, 0xffffffff)
AM_RANGE(0x034, 0x037) AM_READWRITE16(IMR_r, IMR_w, 0xffffffff)
/* Chip Select registers */
AM_RANGE(0x064, 0x067) AM_READWRITE16(CSAR0_r, CSAR0_w, 0xffffffff)
AM_RANGE(0x068, 0x06b) AM_READWRITE (CSMR0_r, CSMR0_w)
AM_RANGE(0x06c, 0x06f) AM_READWRITE16(CSCR0_r, CSCR0_w, 0xffffffff)
AM_RANGE(0x070, 0x073) AM_READWRITE16(CSAR1_r, CSAR1_w, 0xffffffff)
AM_RANGE(0x074, 0x077) AM_READWRITE (CSMR1_r, CSMR1_w)
AM_RANGE(0x078, 0x07b) AM_READWRITE16(CSCR1_r, CSCR1_w, 0xffffffff)
AM_RANGE(0x07c, 0x07f) AM_READWRITE16(CSAR2_r, CSAR2_w, 0xffffffff)
AM_RANGE(0x080, 0x083) AM_READWRITE (CSMR2_r, CSMR2_w)
AM_RANGE(0x084, 0x087) AM_READWRITE16(CSCR2_r, CSCR2_w, 0xffffffff)
AM_RANGE(0x088, 0x08b) AM_READWRITE16(CSAR3_r, CSAR3_w, 0xffffffff)
AM_RANGE(0x08c, 0x08f) AM_READWRITE (CSMR3_r, CSMR3_w)
AM_RANGE(0x090, 0x093) AM_READWRITE16(CSCR3_r, CSCR3_w, 0xffffffff)
AM_RANGE(0x094, 0x097) AM_READWRITE16(CSAR4_r, CSAR4_w, 0xffffffff)
AM_RANGE(0x098, 0x09b) AM_READWRITE (CSMR4_r, CSMR4_w)
AM_RANGE(0x09c, 0x09f) AM_READWRITE16(CSCR4_r, CSCR4_w, 0xffffffff)
AM_RANGE(0x0a0, 0x0a3) AM_READWRITE16(CSAR5_r, CSAR5_w, 0xffffffff)
AM_RANGE(0x0a4, 0x0a7) AM_READWRITE (CSMR5_r, CSMR5_w)
AM_RANGE(0x0a8, 0x0ab) AM_READWRITE16(CSCR5_r, CSCR5_w, 0xffffffff)
AM_RANGE(0x0ac, 0x0af) AM_READWRITE16(CSAR6_r, CSAR6_w, 0xffffffff)
AM_RANGE(0x0b0, 0x0b3) AM_READWRITE (CSMR6_r, CSMR6_w)
AM_RANGE(0x0b4, 0x0b7) AM_READWRITE16(CSCR6_r, CSCR6_w, 0xffffffff)
AM_RANGE(0x0b8, 0x0bb) AM_READWRITE16(CSAR7_r, CSAR7_w, 0xffffffff)
AM_RANGE(0x0bc, 0x0bf) AM_READWRITE (CSMR7_r, CSMR7_w)
AM_RANGE(0x0c0, 0x0c3) AM_READWRITE16(CSCR7_r, CSCR7_w, 0xffffffff)
AM_RANGE(0x0c4, 0x0c7) AM_READWRITE16(DMCR_r, DMCR_w, 0xffffffff)
AM_RANGE(0x0c8, 0x0cb) AM_READWRITE16(PAR_r, PAR_w, 0xffffffff)
AM_RANGE(0x100, 0x103) AM_READWRITE16(TMR1_r, TMR1_w, 0xffffffff)
AM_RANGE(0x104, 0x107) AM_READWRITE16(TRR1_r, TRR1_w, 0xffffffff)
AM_RANGE(0x10c, 0x10f) AM_READWRITE16(TCN1_r, TCN1_w, 0xffffffff)
AM_RANGE(0x110, 0x113) AM_READWRITE8(TER1_r, TER1_w, 0xffffffff)
AM_RANGE(0x1c4, 0x1c7) AM_READWRITE8(PPDDR_r, PPDDR_w, 0xffffffff)
AM_RANGE(0x1c8, 0x1cb) AM_READWRITE8(PPDAT_r, PPDAT_w, 0xffffffff)
AM_RANGE(0x1e4, 0x1e7) AM_READWRITE8(MFDR_r, MFDR_w, 0xffffffff)
AM_RANGE(0x1e8, 0x1eb) AM_READWRITE8(MBCR_r, MBCR_w, 0xffffffff)
AM_RANGE(0x1ec, 0x1ef) AM_READWRITE8(MBSR_r, MBSR_w, 0xffffffff)
AM_RANGE(0x1f0, 0x1f3) AM_READWRITE8(MBDR_r, MBDR_w, 0xffffffff)
ADDRESS_MAP_END
READ8_MEMBER( mcf5206e_peripheral_device::ICR1_ICR2_ICR3_ICR4_r )
{
switch (offset)
{
case 0: // 0x014
debuglog("%s: (External IRQ1/IPL1 Interrupt Vector) ICR1_r\n", this->machine().describe_context());
return m_ICR[ICR1];
case 1: // 0x015
debuglog("%s: (External IPL2 Interrupt Vector) ICR2_r\n", this->machine().describe_context());
return m_ICR[ICR2];
case 2: // 0x016
debuglog("%s: (External IPL3 Interrupt Vector) ICR3_r\n", this->machine().describe_context());
return m_ICR[ICR3];
case 3: // 0x017
debuglog("%s: (External IRQ4/IPL4 Interrupt Vector) ICR4_r\n", this->machine().describe_context());
return m_ICR[ICR4];
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::ICR1_ICR2_ICR3_ICR4_w )
{
switch (offset)
{
case 0: // 0x014
m_ICR[ICR1] = data;
debuglog("%s: (External IRQ1/IPL1 Interrupt Vector) ICR1_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR1]);
break;
case 1: // 0x015
m_ICR[ICR2] = data;
debuglog("%s: (External IPL2 Interrupt Vector) ICR2_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR2]);
break;
case 2: // 0x016
m_ICR[ICR3] = data;
debuglog("%s: (External IPL3 Interrupt Vector) ICR3_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR3]);
break;
case 3: // 0x017
m_ICR[ICR4] = data;
debuglog("%s: (External IRQ4/IPL4 Interrupt Vector) ICR4_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR4]);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::ICR9_ICR10_ICR11_ICR12_r )
{
switch (offset)
{
case 0: // 0x01c
debuglog("%s: (Timer 1 Interrupt Vector) ICR9_r\n", this->machine().describe_context());
return m_ICR[ICR9];
case 1: // 0x01d
debuglog("%s: (Timer 2 Interrupt Vector) ICR10_r\n", this->machine().describe_context());
return m_ICR[ICR10];
case 2: // 0x01e
debuglog("%s: (MBUS Interrupt Vector) ICR11_r\n", this->machine().describe_context());
return m_ICR[ICR11];
case 3: // 0x01f
debuglog("%s: (UART1 Interrupt Vector) ICR12_r\n", this->machine().describe_context());
return m_ICR[ICR12];
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::ICR9_ICR10_ICR11_ICR12_w )
{
switch (offset)
{
case 0: // 0x01c
m_ICR[ICR9] = data;
debuglog("%s: (Timer 1 Interrupt Vector) ICR9_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR9]);
break;
case 1: // 0x01d
m_ICR[ICR10] = data;
debuglog("%s: (Timer 2 Interrupt Vector) ICR10_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR10]);
break;
case 2: // 0x01e
m_ICR[ICR11] = data;
debuglog("%s: (MBUS Interrupt Vector) ICR11_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR11]);
break;
case 3: // 0x01f
m_ICR[ICR12] = data;
debuglog("%s: (UART1 Interrupt Vector) ICR12_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR12]);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::ICR13_r )
{
switch (offset)
{
case 0: // 0x020
debuglog("%s: (UART2 Interrupt Vector) ICR13_r\n", this->machine().describe_context());
return m_ICR[ICR13];
case 1:
case 2:
case 3:
invalidlog("%s: invalid ICR13_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::ICR13_w )
{
switch (offset)
{
case 0: // 0x020
m_ICR[ICR13] = data;
debuglog("%s: (UART2 Interrupt Vector) ICR13_w %02x\n", this->machine().describe_context(), data);
ICR_info(m_ICR[ICR13]);
break;
case 1:
case 2:
case 3:
invalidlog("%s: invalid ICR13_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
inline UINT16 mcf5206e_peripheral_device::CSAR_r(int which, int offset, UINT16 mem_mask)
{
if (offset==0)
{
debuglog("%s: CSAR%d_r\n", this->machine().describe_context(), which);
return m_CSAR[which];
}
else
{
invalidlog("%s: invalid CSAR%d_r with offset %d\n", this->machine().describe_context(), which, offset);
return 0;
}
}
inline void mcf5206e_peripheral_device::CSAR_w(int which, int offset, UINT16 data, UINT16 mem_mask)
{
if (offset==0)
{
COMBINE_DATA( &m_CSAR[which] );
debuglog("%s: CSAR%d_w %04x\n", this->machine().describe_context(), which, data);
}
else
{
invalidlog("%s: invalid CSAR%d_w with offset %d %04x\n", this->machine().describe_context(), which, offset, data);
}
}
inline UINT32 mcf5206e_peripheral_device::CSMR_r(int which, UINT32 mem_mask)
{
debuglog("%s: CSMR%d_r\n", this->machine().describe_context(), which);
return m_CSMR[0];
}
inline void mcf5206e_peripheral_device::CSMR_w(int which, UINT32 data, UINT32 mem_mask)
{
COMBINE_DATA( &m_CSMR[0] );
debuglog("%s: CSMR%d_w %08x\n", this->machine().describe_context(), which, data);
}
inline UINT16 mcf5206e_peripheral_device::CSCR_r(int which, int offset, UINT16 mem_mask)
{
if (offset==1)
{
debuglog("%s: CSCR%d_r\n", this->machine().describe_context(), which);
return m_CSCR[which];
}
else
{
invalidlog("%s: invalid CSCR%d_r with offset %d\n", this->machine().describe_context(), which, offset);
return 0;
}
}
inline void mcf5206e_peripheral_device::CSCR_w(int which, int offset, UINT16 data, UINT16 mem_mask)
{
if (offset==1)
{
COMBINE_DATA( &m_CSCR[which] );
debuglog("%s: CSCR%d_w %04x\n", this->machine().describe_context(), which, data);
}
else
{
invalidlog("%s: invalid CSCR%d_r with offset %d %04x\n", this->machine().describe_context(), which, offset, data);
}
}
READ16_MEMBER( mcf5206e_peripheral_device::CSAR0_r) { return CSAR_r(0, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR0_w) { CSAR_w(0, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR0_r) { return CSMR_r(0, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR0_w) { CSMR_w(0, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR0_r) { return CSCR_r(0, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR0_w) { CSCR_w(0, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR1_r) { return CSAR_r(1, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR1_w) { CSAR_w(1, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR1_r) { return CSMR_r(1, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR1_w) { CSMR_w(1, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR1_r) { return CSCR_r(1, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR1_w) { CSCR_w(1, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR2_r) { return CSAR_r(2, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR2_w) { CSAR_w(2, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR2_r) { return CSMR_r(2, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR2_w) { CSMR_w(2, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR2_r) { return CSCR_r(2, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR2_w) { CSCR_w(2, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR3_r) { return CSAR_r(3, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR3_w) { CSAR_w(3, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR3_r) { return CSMR_r(3, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR3_w) { CSMR_w(3, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR3_r) { return CSCR_r(3, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR3_w) { CSCR_w(3, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR4_r) { return CSAR_r(4, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR4_w) { CSAR_w(4, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR4_r) { return CSMR_r(4, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR4_w) { CSMR_w(4, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR4_r) { return CSCR_r(4, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR4_w) { CSCR_w(4, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR5_r) { return CSAR_r(5, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR5_w) { CSAR_w(5, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR5_r) { return CSMR_r(5, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR5_w) { CSMR_w(5, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR5_r) { return CSCR_r(5, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR5_w) { CSCR_w(5, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR6_r) { return CSAR_r(6, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR6_w) { CSAR_w(6, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR6_r) { return CSMR_r(6, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR6_w) { CSMR_w(6, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR6_r) { return CSCR_r(6, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR6_w) { CSCR_w(6, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSAR7_r) { return CSAR_r(7, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSAR7_w) { CSAR_w(7, offset, data, mem_mask); };
READ32_MEMBER( mcf5206e_peripheral_device::CSMR7_r) { return CSMR_r(7, mem_mask); };
WRITE32_MEMBER( mcf5206e_peripheral_device::CSMR7_w) { CSMR_w(7, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::CSCR7_r) { return CSCR_r(7, offset, mem_mask); };
WRITE16_MEMBER( mcf5206e_peripheral_device::CSCR7_w) { CSCR_w(7, offset, data, mem_mask); };
READ16_MEMBER( mcf5206e_peripheral_device::DMCR_r)
{
switch (offset)
{
case 1:
debuglog("%s: DMCR_r %04x\n", this->machine().describe_context(), mem_mask);
return m_DMCR;
case 0:
invalidlog("%s: invalid DMCR_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::DMCR_w)
{
switch (offset)
{
case 1:
COMBINE_DATA(&m_DMCR);
debuglog("%s: DMCR_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
break;
case 0:
invalidlog("%s: invalid DMCR_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
READ16_MEMBER( mcf5206e_peripheral_device::PAR_r)
{
switch (offset)
{
case 1:
debuglog("%s: PAR_r %04x\n", this->machine().describe_context(), mem_mask);
return m_PAR;
case 0:
invalidlog("%s: invalid PAR_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::PAR_w)
{
switch (offset)
{
case 1:
COMBINE_DATA(&m_PAR);
debuglog("%s: PAR_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
break;
case 0:
invalidlog("%s: invalid PAR_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::PPDDR_r)
{
switch (offset)
{
case 0:
case 2:
case 3:
invalidlog("%s: invalid PPDDR_r %d\n", this->machine().describe_context(), offset);
return 0;
case 1: // '$1C5'
debuglog("%s: (Port A Data Direction Register) PPDDR_r\n", this->machine().describe_context());
return m_PPDDR;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::PPDDR_w)
{
switch (offset)
{
case 0:
case 2:
case 3:
invalidlog("%s: invalid PPDDR_w %d %02x\n", this->machine().describe_context(), offset, data);
break;
case 1: // '$1C5'
m_PPDDR = data;
debuglog("%s: (Port A Data Direction Register) PPDDR_w %02x\n", this->machine().describe_context(), data);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::PPDAT_r)
{
switch (offset)
{
case 0:
case 2:
case 3:
invalidlog("%s: invalid PPDAT_r %d\n", this->machine().describe_context(), offset);
return 0;
case 1: // '$1C9'
debuglog("%s: (Port A Data Register) PPDAT_r\n", this->machine().describe_context());
return m_PPDAT; // should use a callback.
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::PPDAT_w)
{
switch (offset)
{
case 0:
case 2:
case 3:
invalidlog("%s: invalid PPDAT_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
case 1: // '$1C9'
m_PPDAT = data; // should use a callback.
debuglog("%s: (Port A Data Register) PPDAT_w %02x\n", this->machine().describe_context(), data);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::MBCR_r)
{
switch (offset)
{
case 0:
debuglog("%s: (M-Bus Control Register) MBCR_r\n", this->machine().describe_context());
return m_MBCR;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBCR_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::MBCR_w)
{
switch (offset)
{
case 0:
m_MBCR = data;
debuglog("%s: (M-Bus Control Register) MBCR_w %02x\n", this->machine().describe_context(), data);
break;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBCR_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::MFDR_r)
{
switch (offset)
{
case 0:
debuglog("%s: (M-Bus Frequency Divider Register) MFDR_r\n", this->machine().describe_context());
return m_MFDR;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MFDR_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::MFDR_w)
{
switch (offset)
{
case 0:
m_MFDR = data;
debuglog("%s: (M-Bus Frequency Divider Register) MFDR_w %02x\n", this->machine().describe_context(), data);
break;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MFDR_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::MBSR_r)
{
int hack = 0x00;
switch (offset)
{
case 0:
{
hack ^= (machine().rand()&0xff);
debuglog("%s: (M-Bus Status Register) MBSR_r\n", this->machine().describe_context());
return m_MBSR ^ hack; // will loop on this after a while
}
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBSR_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::MBSR_w)
{
switch (offset)
{
case 0:
m_MBSR = data;
debuglog("%s: (M-Bus Status Register) MBSR_w %02x\n", this->machine().describe_context(), data);
break;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBSR_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::MBDR_r)
{
int hack = 0x00;
switch (offset)
{
case 0:
{
hack ^= (machine().rand()&0xff);
debuglog("%s: (M-Bus Data I/O Register) MBDR_r\n", this->machine().describe_context());
return m_MBDR ^ hack;
}
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBDR_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::MBDR_w)
{
switch (offset)
{
case 0:
m_MBDR = data;
debuglog("%s: (M-Bus Data I/O Register) MBDR_w %02x\n", this->machine().describe_context(), data);
break;
case 1:
case 2:
case 3:
invalidlog("%s: invalid MBDR_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
READ16_MEMBER( mcf5206e_peripheral_device::IMR_r)
{
switch (offset)
{
case 1:
debuglog("%s: (Interrupt Mask Register) IMR_r %04x\n", this->machine().describe_context(), mem_mask);
return m_IMR;
case 0:
invalidlog("%s: invalid IMR_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::IMR_w)
{
switch (offset)
{
case 1:
COMBINE_DATA(&m_IMR);
debuglog("%s: (Interrupt Mask Register) IMR_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
break;
case 0:
invalidlog("%s: invalid IMR_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
void mcf5206e_peripheral_device::ICR_info(UINT8 ICR)
{
debuglog(" (AutoVector) AVEC : %01x | ", (ICR&0x80)>>7);
debuglog("(Interrupt Level) IL : %01x | ", (ICR&0x1c)>>2); // if autovector (AVEC) is used then the vectors referenced are at +24 (+0x18) + IL, ie the standard 68k autovectors, otherwise vector must be provided by device
debuglog("(Interrupt Priority) IP : %01x |", (ICR&0x03)>>0);
debuglog("(Unused bits) : %01x\n", (ICR&0x60)>>5);
}
TIMER_CALLBACK_MEMBER(mcf5206e_peripheral_device::timer1_callback)
{
UINT8 ICR = m_ICR[ICR9];
// technically we should do the vector check in the IRQ callback as well as various checks based on the IRQ masks before asserting the interrupt
if (ICR & 0x80) // AVEC
{
if (!(m_IMR & 0x0200)) m_cpu->set_input_line((ICR&0x1c)>>2, HOLD_LINE);
}
debuglogtimer("timer1_callback\n");
m_TER1 |= 0x02;
timer1->adjust(attotime::from_msec(10)); // completely made up value just to fire our timers for now
}
READ16_MEMBER( mcf5206e_peripheral_device::TMR1_r)
{
switch (offset)
{
case 0:
debuglogtimer("%s: (Timer 1 Mode Register) TMR1_r %04x\n", this->machine().describe_context(), mem_mask);
return m_TMR1;
case 1:
invalidlog("%s: invalid TMR1_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::TMR1_w)
{
switch (offset)
{
case 0:
COMBINE_DATA(&m_TMR1);
debuglogtimer("%s: (Timer 1 Mode Register) TMR1_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
debuglogtimer(" (Prescale) PS : %02x (Capture Edge/Interrupt) CE : %01x (Output Mode) OM : %01x (Output Reference Interrupt En) ORI : %01x Free Run (FRR) : %01x Input Clock Source (ICLK) : %01x (Reset Timer) RST : %01x \n", (m_TMR1 & 0xff00)>>8, (m_TMR1 & 0x00c0)>>6, (m_TMR1 & 0x0020)>>5, (m_TMR1 & 0x0010)>>4, (m_TMR1 & 0x0008)>>3, (m_TMR1 & 0x0006)>>1, (m_TMR1 & 0x0001)>>0);
if (m_TMR1 & 0x0001)
{
timer1->adjust(attotime::from_seconds(1)); // completely made up value just to fire our timers for now
}
else
{
timer1->adjust(attotime::never);
}
break;
case 1:
invalidlog("%s: invalid TMR1_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
READ16_MEMBER( mcf5206e_peripheral_device::TRR1_r)
{
switch (offset)
{
case 0:
debuglogtimer("%s: (Timer 1 Reference Register) TRR1_r %04x\n", this->machine().describe_context(), mem_mask);
return m_TRR1;
case 1:
invalidlog("%s: invalid TRR1_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::TRR1_w)
{
switch (offset)
{
case 0:
COMBINE_DATA(&m_TRR1);
debuglogtimer("%s: (Timer 1 Reference Register) TRR1_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
break;
case 1:
debuglog("%s: invalid TRR1_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
READ8_MEMBER( mcf5206e_peripheral_device::TER1_r)
{
switch (offset)
{
case 1:
debuglogtimer("%s: TER1_r\n", this->machine().describe_context());
return m_TER1; // set on timer events, cleared by writing below
case 0:
case 2:
case 3:
invalidlog("%s: invalid TER1_r %d\n", this->machine().describe_context(), offset);
return 0;
}
return 0;
}
WRITE8_MEMBER( mcf5206e_peripheral_device::TER1_w)
{
switch (offset)
{
case 1:
m_TER1 &= ~data; // writes should clear the bits..
debuglogtimer("%s: TER1_w %02x\n", this->machine().describe_context(), data);
break;
case 0:
case 2:
case 3:
invalidlog("%s: invalid TER1_w %d, %02x\n", this->machine().describe_context(), offset, data);
break;
}
}
READ16_MEMBER( mcf5206e_peripheral_device::TCN1_r)
{
switch (offset)
{
case 0:
debuglogtimer("%s: (Timer 1 Counter) TCN1_r %04x\n", this->machine().describe_context(), mem_mask);
// return 0x9c40;
return 0x8ca0 -1;// m_TCN1; // this should be the counter, code has a hardcoded >= check against 8ca0.
case 1:
invalidlog("%s: invalid TCN1_r %d %04x\n", this->machine().describe_context(), offset, mem_mask);
return 0;
}
return 0;
}
WRITE16_MEMBER( mcf5206e_peripheral_device::TCN1_w)
{
switch (offset)
{
case 0:
COMBINE_DATA(&m_TCN1);
debuglogtimer("%s: (Timer 1 Counter) TCN1_w %04x %04x\n", this->machine().describe_context(), data, mem_mask);
break;
case 1:
invalidlog("%s: invalid TCN1_w %d, %04x %04x\n", this->machine().describe_context(), offset, data, mem_mask);
break;
}
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
// device type definition
const device_type MCF5206E_PERIPHERAL = &device_creator<mcf5206e_peripheral_device>;
//-------------------------------------------------
// mcf5206e_peripheral_device - constructor
//-------------------------------------------------
mcf5206e_peripheral_device::mcf5206e_peripheral_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, MCF5206E_PERIPHERAL, "MCF5206E Peripheral", tag, owner, clock, "mcf5206e_peripheral", __FILE__),
device_memory_interface(mconfig, *this),
m_space_config("coldfire_regs", ENDIANNESS_BIG, 32,10, 0, NULL, *ADDRESS_MAP_NAME(coldfire_regs_map))
{
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void mcf5206e_peripheral_device::device_config_complete()
{
}
const address_space_config *mcf5206e_peripheral_device::memory_space_config(address_spacenum spacenum) const
{
return (spacenum == AS_0) ? &m_space_config : NULL;
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void mcf5206e_peripheral_device::device_start()
{
init_regs(true);
timer1 = machine().scheduler().timer_alloc( timer_expired_delegate( FUNC( mcf5206e_peripheral_device::timer1_callback ), this) );
}
void mcf5206e_peripheral_device::device_reset()
{
m_cpu = (cpu_device*)machine().device(":maincpu"); // hack. this device should really be attached to a modern CPU core
init_regs(false);
timer1->adjust(attotime::never);
}
READ32_MEMBER(mcf5206e_peripheral_device::dev_r)
{
address_space ®_space = this->space();
return reg_space.read_dword(offset*4, mem_mask);
}
WRITE32_MEMBER(mcf5206e_peripheral_device::dev_w)
{
address_space ®_space = this->space();
reg_space.write_dword(offset*4, data, mem_mask);
}
// ColdFire peripherals
enum {
CF_PPDAT = 0x1c8/4,
CF_MBSR = 0x1ec/4
};
WRITE32_MEMBER(mcf5206e_peripheral_device::seta2_coldfire_regs_w)
{
COMBINE_DATA( &m_coldfire_regs[offset] );
}
READ32_MEMBER(mcf5206e_peripheral_device::seta2_coldfire_regs_r)
{
switch( offset )
{
case CF_MBSR:
return machine().rand();
case CF_PPDAT:
return ioport(":BATTERY")->read() << 16;
}
return m_coldfire_regs[offset];
}
#define UNINIT 0
#define UNINIT_NOTE 0
void mcf5206e_peripheral_device::init_regs(bool first_init)
{
m_ICR[ICR1] = 0x04;
m_ICR[ICR2] = 0x08;
m_ICR[ICR3] = 0x0C;
m_ICR[ICR4] = 0x10;
m_ICR[ICR5] = 0x14;
m_ICR[ICR6] = 0x18;
m_ICR[ICR7] = 0x1C;
m_ICR[ICR8] = 0x1C;
m_ICR[ICR9] = 0x80;
m_ICR[ICR10] = 0x80;
m_ICR[ICR11] = 0x80;
m_ICR[ICR12] = 0x00;
m_ICR[ICR13] = 0x00;
m_CSAR[0] = 0x0000;
m_CSMR[0] = 0x00000000;
m_CSCR[0] = 0x3C1F; /* 3C1F, 3C5F, 3C9F, 3CDF, 3D1F, 3D5F, 3D9F, 3DDF | AA set by IRQ 7 at reset, PS1 set by IRQ 4 at reset, PS0 set by IRQ 1 at reset*/
if (first_init)
{
for (int x=1;x<8;x++)
{
m_CSAR[1] = UNINIT;
m_CSMR[1] = UNINIT;
m_CSCR[1] = UNINIT_NOTE; // except BRST=ASET=WRAH=RDAH=WR=RD=0
}
}
m_DMCR = 0x0000;
m_PAR = 0x0000;
m_TMR1 = 0x0000;
m_TRR1 = 0xffff;
m_TER1 = 0x00;
m_TCN1 = 0x0000;
m_PPDDR = 0x00;
m_PPDAT = 0x00;
m_IMR = 0x3FFE;
m_MFDR = 0x00;
m_MBCR = 0x00;
m_MBSR = 0x00;
m_MBDR = 0x00;
}
/*
ADDRESS (LE) REG WIDTH NAME/DESCRIPTION INIT VALUE (MR=Master Reset, NR=Normal Reset) Read or Write access
* = inited
- = skeleton handler
op MOVEC with $C0F MBAR 32 Module Base Address Register uninit (except V=0) W
$003 SIMR 8 SIM Configuration Register C0 R/W
$014*- ICR1 8 Interrupt Control Register 1 - External IRQ1/IPL1 04 R/W
$015*- ICR2 8 Interrupt Control Register 2 - External IPL2 08 R/W
$016*- ICR3 8 Interrupt Control Register 3 - External IPL3 0C R/W
$017*- ICR4 8 Interrupt Control Register 4 - External IRQ4/IPL4 10 R/W
$018* ICR5 8 Interrupt Control Register 5 - External IPL5 14 R/W
$019* ICR6 8 Interrupt Control Register 6 - External IPL6 18 R/W
$01A* ICR7 8 Interrupt Control Register 7 - External IRQ7/IPL7 1C R/W
$01B* ICR8 8 Interrupt Control Register 8 - SWT 1C R/W
$01C*- ICR9 8 Interrupt Control Register 9 - Timer 1 Interrupt 80 R/W
$01D*- ICR10 8 Interrupt Control Register 10 - Timer 2 Interrupt 80 R/W
$01E*- ICR11 8 Interrupt Control Register 11 - MBUS Interrupt 80 R/W
$01F*- ICR12 8 Interrupt Control Register 12 - UART 1 Interrupt 00 R/W
$020*- ICR13 8 Interrupt Control Register 13 - UART 2 Interrupt 00 R/W
$036*- IMR 16 Interrupt Mask Register 3FFE R/W
$03A IPR 16 Interrupt Pending Register 0000 R
$040 RSR 8 Reset Status Register 80 / 20 R/W
$041 SYPCR 8 System Protection Control Register 00 R/W
$042 SWIVR 8 Software Watchdog Interrupt Vector Register 0F R/W
$043 SWSR 8 Software Watchdog Service Register uninit W
$046 DCRR 16 DRAM Controller Refresh MR 0000 - NR uninit R/W
$04A DCTR 16 DRAM Controller Timing Register MR 0000 - NR uninit R/W
$04C DCAR0 16 DRAM Controller 0 Address Register MR uninit - NR uninit R/W
$050 DCMR0 32 DRAM Controller 0 Mask Register MR uninit - NR uninit R/W
$057 DCCR0 8 DRAM Controller 0 Control Register MR 00 - NR 00 R/W
$058 DCAR1 16 DRAM Controller 1 Address Register MR uninit - NR uninit R/W
$05C DCMR1 32 DRAM Controller 1 Mask Register MR uninit - NR uninit R/W
$063 DCCR1 8 DRAM Controller 1 Control Register MR 00 - NR 00 R/W
--------- CHIP SELECTS -----------
$064*- CSAR0 16 Chip-Select 0 Address Register 0000 R/W
$068*- CSMR0 32 Chip-Select 0 Mask Register 00000000 R/W
$06E*- CSCR0 16 Chip-Select 0 Control Register 3C1F, 3C5F, 3C9F, 3CDF, 3D1F, 3D5F, 3D9F, 3DDF R/W
AA set by IRQ 7 at reset
PS1 set by IRQ 4 at reset
PS0 set by IRQ 1 at reset
$070*- CSAR1 16 Chip-Select 1 Address Register uninit R/W
$074*- CSMR1 32 Chip-Select 1 Mask Register uninit R/W
$07A*- CSCR1 16 Chip-Select 1 Control Register uninit *1 R/W
$07C*- CSAR2 16 Chip-Select 2 Address Register uninit R/W
$080*- CSMR2 32 Chip-Select 2 Mask Register uninit R/W
$086*- CSCR2 16 Chip-Select 2 Control Register uninit *1 R/W
$088*- CSAR3 16 Chip-Select 3 Address Register uninit R/W
$08C*- CSMR3 32 Chip-Select 3 Mask Register uninit R/W
$092*- CSCR3 16 Chip-Select 3 Control Register uninit *1 R/W
$094*- CSAR4 16 Chip-Select 4 Address Register uninit R/W
$098*- CSMR4 32 Chip-Select 4 Mask Register uninit R/W
$09E*- CSCR4 16 Chip-Select 4 Control Register uninit *1 R/W
$0A0*- CSAR5 16 Chip-Select 5 Address Register uninit R/W
$0A4*- CSMR5 32 Chip-Select 5 Mask Register uninit R/W
$0AA*- CSCR5 16 Chip-Select 5 Control Register uninit *1 R/W
$0AC*- CSAR6 16 Chip-Select 6 Address Register uninit R/W
$0B0*- CSMR6 32 Chip-Select 6 Mask Register uninit R/W
$0B6*- CSCR6 16 Chip-Select 6 Control Register uninit *1 R/W
$0B8*- CSAR7 16 Chip-Select 7 Address Register uninit R/W
$0BC*- CSMR7 32 Chip-Select 7 Mask Register uninit R/W
$0C2*- CSCR7 16 Chip-Select 7 Control Register uninit *1 R/W
$0C6*- DMCR 16 Default Memory Control Register 0000 R/W
$0CA*- PAR 16 Pin Assignment Register 00 R/W
--------- TIMER MODULE -----------
$100*- TMR1 16 Timer 1 Mode Register 0000 R/W
$104*- TRR1 16 Timer 1 Reference Register FFFF R/W
$108 TCR1 16 Timer 1 Capture Register 0000 R
$10C*- TCN1 16 Timer 1 Counter 0000 R/W
$111*- TER1 8 Timer 1 Event Register 00 R/W
$120 TMR2 16 Timer 2 Mode Register 0000 R/W
$124 TRR2 16 Timer 2 Reference Register FFFF R/W
$128 TCR2 16 Timer 2 Capture Register 0000 R
$12C TCN2 16 Timer 2 Counter 0000 R/W
$131 TER2 8 Timer 2 Event Register 00 R/W
------------ UART SERIAL PORTS -----------
$140 UMR1,2 8 UART 1 Mode Registers 00 R/W
$144 USR 8 UART 1 Status Register 00 R
UCSR 8 UART 1 Clock-Select Register DD W
$148 UCR 8 UART 1 Command Register 00 W
$14C URB 8 UART 1 Receive Buffer FF R
UTB 8 UART 1 Transmit Buffer 00 W
$150 UIPCR 8 UART Input Port Change Register 0F R
UACR 8 UART 1 Auxilary Control Register 00 W
$154 UISR 8 UART 1 Interrupt Status Register 00 R
UIMR 8 UART 1 Interrupt Mask Register 00 W
$158 UBG1 8 UART 1 Baud Rate Generator Prescale MSB uninit W
$15C UBG2 8 UART 1 Baud Rate Generator Prescale LSB uninit W
$170 UIVR 8 UART 1 Interrupt Vector Register 0F R/W
$174 UIP 8 UART 1 Input Port Register FF R
$178 UOP1 8 UART 1 Output Port Bit Set CMD UOP1[7-1]=undef; UOP1=0 W
$17C UOP0 8 UART 1 Output Port Bit Reset CMD uninit W
$180 UMR1,2 8 UART 2 Mode Registers 00 R/W
$184 USR 8 UART 2 Status Register 00 R
UCSR 8 UART 2 Clock-Select Register DD W
$188 UCR 8 UART 2 Command Register 00 W
$18C URB 8 UART 2 Receive Buffer FF R
UTB 8 UART 2 Transmit Buffer 00 W
$190 UIPCR 8 UART 2 Input Port Change Register 0F R
UACR 8 UART 2 Auxilary Control Register 00 W
$194 UISR 8 UART 2 Interrupt Status Register 00 R
UIMR 8 UART 2 Interrupt Mask Register 00 W
$198 UBG1 8 UART 2 Baud Rate Generator Prescale MSB uninit R/W
$19C UBG2 8 UART 2 Barud Rate Generator Prescale LSB uninit R/W
$1B0 UIVR 8 UART 2 Interrupt Vector Register 0F R/W
$1B4 UIP 8 UART 2 Input Port Register FF R
$1B8 UOP1 8 UART 2 Output Port Bit Set CMD UOP1[7-1]=undef; UOP1=0 W
$1BC UOP0 8 UART 2 Output Port Bit Reset CMD uninit W
$1C5*- PPDDR 8 Port A Data Direction Register 00 R/W
$1C9*- PPDAT 8 Port A Data Register 00 R/W
------------ MBUS -----------
$1E0 MADR 8 M-Bus Address Register 00 R/W
$1E4*- MFDR 8 M-Bus Frequency Divider Register 00 R/W
$1E8*- MBCR 8 M-Bus Control Register 00 R/W
$1EC*- MBSR 8 M-Bus Status Register 00 R/W
$1F0*- MBDR 8 M-Bus Data I/O Register 00 R/W
------------ DMA Controller -----------
$200 DMASAR0 32 Source Address Register 0 00 R/W
$204 DMADAR0 32 Destination Address Register 0 00 R/W
$208 DCR0 16 DMA Control Register 0 00 R/W
$20C BCR0 16 Byte Count Register 0 00 R/W
$210 DSR0 8 Status Register 0 00 R/W
$214 DIVR0 8 Interrupt Vector Register 0 0F R/W
$240 DMASAR1 32 Source Address Register 1 00 R/W
$244 DMADAR1 32 Destination Address Register 1 00 R/W
$248 DCR1 16 DMA Control Register 1 00 R/W
$24C BCR1 16 Byte Count Register 1 00 R/W
$250 DSR1 8 Status Register 1 00 R/W
$254 DIVR1 8 Interrupt Vector Register 1 0F R/W
*1 - uninit except BRST=ASET=WRAH=RDAH=WR=RD=0
*/
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