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pic16: added pic1655 (nw)

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This commit is contained in:
hap 2017-02-11 05:01:03 +01:00
parent 56a8b5a73b
commit bc695d75da
3 changed files with 54 additions and 22 deletions
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63
src/devices/cpu/pic16c5x/pic16c5x.cpp
View File

@ -75,6 +75,7 @@
const device_type PIC16C54 = &device_creator<pic16c54_device>;
const device_type PIC16C55 = &device_creator<pic16c55_device>;
const device_type PIC1655 = &device_creator<pic1655_device>;
const device_type PIC16C56 = &device_creator<pic16c56_device>;
const device_type PIC16C57 = &device_creator<pic16c57_device>;
const device_type PIC16C58 = &device_creator<pic16c58_device>;
@ -143,6 +144,11 @@ pic16c55_device::pic16c55_device(const machine_config &mconfig, const char *tag,
{
}
pic1655_device::pic1655_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: pic16c5x_device(mconfig, PIC1655, "PIC1655", tag, owner, clock, "pic1655", 9, 5, 0x1655)
{
}
pic16c56_device::pic16c56_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: pic16c5x_device(mconfig, PIC16C56, "PIC16C56", tag, owner, clock, "pic16c56", 10, 5, 0x16C56)
{
@ -322,7 +328,7 @@ void pic16c5x_device::PUSH_STACK(uint16_t data)
uint8_t pic16c5x_device::GET_REGFILE(offs_t addr) /* Read from internal memory */
{
uint8_t data;
uint8_t data = 0;
if (addr == 0) { /* Indirect addressing */
addr = (FSR & m_picRAMmask);
@ -341,21 +347,31 @@ uint8_t pic16c5x_device::GET_REGFILE(offs_t addr) /* Read from internal memory *
break;
case 4: data = (FSR | (uint8_t)(~m_picRAMmask));
break;
case 5: data = m_read_a(PIC16C5x_PORTA, 0xff);
data &= m_TRISA;
data |= ((uint8_t)(~m_TRISA) & PORTA);
data &= 0x0f; /* 4-bit port (only lower 4 bits used) */
case 5: if (m_picmodel == 0x1655) {
data = m_read_a(PIC16C5x_PORTA, 0xff) & 0x0f;
}
else {
data = m_read_a(PIC16C5x_PORTA, 0xff);
data &= m_TRISA;
data |= ((uint8_t)(~m_TRISA) & PORTA);
data &= 0x0f; /* 4-bit port (only lower 4 bits used) */
}
break;
case 6: data = m_read_b(PIC16C5x_PORTB, 0xff);
data &= m_TRISB;
data |= ((uint8_t)(~m_TRISB) & PORTB);
case 6: if (m_picmodel != 0x1655) { /* B is output-only on 1655 */
data = m_read_b(PIC16C5x_PORTB, 0xff);
data &= m_TRISB;
data |= ((uint8_t)(~m_TRISB) & PORTB);
}
break;
case 7: if ((m_picmodel == 0x16C55) || (m_picmodel == 0x16C57)) {
case 7: if (m_picmodel == 0x1655) {
data = m_read_c(PIC16C5x_PORTC, 0xff) & PORTC;
}
else if ((m_picmodel == 0x16C55) || (m_picmodel == 0x16C57)) {
data = m_read_c(PIC16C5x_PORTC, 0xff);
data &= m_TRISC;
data |= ((uint8_t)(~m_TRISC) & PORTC);
}
else { /* PIC16C54, PIC16C56, PIC16C58 */
else { /* PIC16C54, PIC16C56, PIC16C58 */
data = M_RDRAM(addr);
}
break;
@ -381,8 +397,8 @@ void pic16c5x_device::STORE_REGFILE(offs_t addr, uint8_t data) /* Write to in
{
case 0: /* Not an actual register, nothing to save */
break;
case 1: m_delay_timer = 2; /* Timer starts after next two instructions */
if (PSA == 0) m_prescaler = 0; /* Must clear the Prescaler */
case 1: m_delay_timer = 2; /* Timer starts after next two instructions */
if (PSA == 0) m_prescaler = 0; /* Must clear the Prescaler */
TMR0 = data;
break;
case 2: PCL = data;
@ -392,18 +408,27 @@ void pic16c5x_device::STORE_REGFILE(offs_t addr, uint8_t data) /* Write to in
break;
case 4: FSR = (data | (uint8_t)(~m_picRAMmask));
break;
case 5: data &= 0x0f; /* 4-bit port (only lower 4 bits used) */
m_write_a(PIC16C5x_PORTA, data & (uint8_t)(~m_TRISA), 0xff);
PORTA = data;
case 5: if (m_picmodel != 0x1655) { /* A is input-only on 1655 */
data &= 0x0f; /* 4-bit port (only lower 4 bits used) */
m_write_a(PIC16C5x_PORTA, data & (uint8_t)(~m_TRISA), 0xff);
PORTA = data;
}
break;
case 6: m_write_b(PIC16C5x_PORTB, data & (uint8_t)(~m_TRISB), 0xff);
case 6: if (m_picmodel == 0x1655)
m_write_b(PIC16C5x_PORTB, data, 0xff);
else
m_write_b(PIC16C5x_PORTB, data & (uint8_t)(~m_TRISB), 0xff);
PORTB = data;
break;
case 7: if ((m_picmodel == 0x16C55) || (m_picmodel == 0x16C57)) {
case 7: if (m_picmodel == 0x1655) {
m_write_c(PIC16C5x_PORTC, data, 0xff);
PORTC = data;
}
else if ((m_picmodel == 0x16C55) || (m_picmodel == 0x16C57)) {
m_write_c(PIC16C5x_PORTC, data & (uint8_t)(~m_TRISC), 0xff);
PORTC = data;
}
else { /* PIC16C54, PIC16C56, PIC16C58 */
else { /* PIC16C54, PIC16C56, PIC16C58 */
M_WRTRAM(addr, data);
}
break;
@ -1089,7 +1114,7 @@ void pic16c5x_device::execute_run()
m_PC++;
PCL++;
if ((m_opcode.w.l & 0xff0) != 0x000) { /* Do all opcodes except the 00? ones */
if (m_picmodel == 0x1655 || (m_opcode.w.l & 0xff0) != 0x000) { /* Do all opcodes except the 00? ones */
m_inst_cycles = s_opcode_main[((m_opcode.w.l >> 4) & 0xff)].cycles;
(this->*s_opcode_main[((m_opcode.w.l >> 4) & 0xff)].function)();
}

10
src/devices/cpu/pic16c5x/pic16c5x.h
View File

@ -56,6 +56,7 @@ enum
extern const device_type PIC16C54;
extern const device_type PIC16C55;
extern const device_type PIC1655;
extern const device_type PIC16C56;
extern const device_type PIC16C57;
extern const device_type PIC16C58;
@ -230,7 +231,6 @@ private:
void pic16c5x_soft_reset();
void pic16c5x_update_watchdog(int counts);
void pic16c5x_update_timer(int counts);
};
@ -250,6 +250,14 @@ public:
};
class pic1655_device : public pic16c5x_device
{
public:
// construction/destruction
pic1655_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
class pic16c56_device : public pic16c5x_device
{
public:

3
src/mame/drivers/hh_pic16.cpp
View File

@ -263,11 +263,10 @@ static const s16 maniac_speaker_levels[] = { 0, 0x7fff, -0x8000, 0 };
static MACHINE_CONFIG_START( maniac, maniac_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", PIC16C55, 850000) // RC osc. R=13.4K, C=470pf, but unknown RC curve - measured 800-890kHz
MCFG_CPU_ADD("maincpu", PIC1655, 850000) // RC osc. R=13.4K, C=470pf, but unknown RC curve - measured 800-890kHz
MCFG_PIC16C5x_READ_A_CB(IOPORT("IN.0"))
MCFG_PIC16C5x_WRITE_B_CB(WRITE8(maniac_state, output_w))
MCFG_PIC16C5x_WRITE_C_CB(WRITE8(maniac_state, output_w))
MCFG_PIC16C5x_SET_CONFIG(0) // ?
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_pic16_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_maniac)