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poking around with taitojc dangcurv

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This commit is contained in:
Michaël Banaan Ananas 2014-09-09 18:31:51 +00:00
parent 892de8e04a
commit 449ff1bb6c
3 changed files with 49 additions and 41 deletions
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74
src/emu/cpu/tms32051/tms32051.c
View File

@ -8,16 +8,6 @@
#include "debugger.h"
#include "tms32051.h"
#define INTERRUPT_INT1 0
#define INTERRUPT_INT2 1
#define INTERRUPT_INT3 2
#define INTERRUPT_TINT 3
#define INTERRUPT_RINT 4
#define INTERRUPT_XINT 5
#define INTERRUPT_TRNT 6
#define INTERRUPT_TXNT 7
#define INTERRUPT_INT4 8
enum
{
TMS32051_PC = 1,
@ -55,7 +45,7 @@ const device_type TMS32051 = &device_creator<tms32051_device>;
**************************************************************************/
static ADDRESS_MAP_START( internal_pgm, AS_PROGRAM, 16, tms32051_device )
AM_RANGE(0x0000, 0x1fff) AM_ROM // ROM TODO: is off-chip if MP/_MC = 0
// AM_RANGE(0x0000, 0x1fff) AM_ROM // ROM TODO: is off-chip if MP/_MC = 0
AM_RANGE(0x2000, 0x23ff) AM_RAM AM_SHARE("saram") // SARAM TODO: is off-chip if RAM bit = 0
AM_RANGE(0xfe00, 0xffff) AM_RAM AM_SHARE("daram_b0") // DARAM B0 TODO: is off-chip if CNF = 0
ADDRESS_MAP_END
@ -251,11 +241,9 @@ void tms32051_device::device_reset()
void tms32051_device::check_interrupts()
{
int i;
if (m_st0.intm == 0 && m_ifr != 0)
{
for (i=0; i < 16; i++)
for (int i = 0; i < 16; i++)
{
if (m_ifr & (1 << i))
{
@ -274,14 +262,14 @@ void tms32051_device::check_interrupts()
void tms32051_device::save_interrupt_context()
{
m_shadow.acc = m_acc;
m_shadow.accb = m_accb;
m_shadow.arcr = m_arcr;
m_shadow.indx = m_indx;
m_shadow.preg = m_preg;
m_shadow.treg0 = m_treg0;
m_shadow.treg1 = m_treg1;
m_shadow.treg2 = m_treg2;
m_shadow.acc = m_acc;
m_shadow.accb = m_accb;
m_shadow.arcr = m_arcr;
m_shadow.indx = m_indx;
m_shadow.preg = m_preg;
m_shadow.treg0 = m_treg0;
m_shadow.treg1 = m_treg1;
m_shadow.treg2 = m_treg2;
memcpy(&m_shadow.pmst, &m_pmst, sizeof(TMS32051_PMST));
memcpy(&m_shadow.st0, &m_st0, sizeof(TMS32051_ST0));
memcpy(&m_shadow.st1, &m_st1, sizeof(TMS32051_ST1));
@ -289,14 +277,14 @@ void tms32051_device::save_interrupt_context()
void tms32051_device::restore_interrupt_context()
{
m_acc = m_shadow.acc;
m_accb = m_shadow.accb;
m_arcr = m_shadow.arcr;
m_indx = m_shadow.indx;
m_preg = m_shadow.preg;
m_treg0 = m_shadow.treg0;
m_treg1 = m_shadow.treg1;
m_treg2 = m_shadow.treg2;
m_acc = m_shadow.acc;
m_accb = m_shadow.accb;
m_arcr = m_shadow.arcr;
m_indx = m_shadow.indx;
m_preg = m_shadow.preg;
m_treg0 = m_shadow.treg0;
m_treg1 = m_shadow.treg1;
m_treg2 = m_shadow.treg2;
memcpy(&m_pmst, &m_shadow.pmst, sizeof(TMS32051_PMST));
memcpy(&m_st0, &m_shadow.st0, sizeof(TMS32051_ST0));
memcpy(&m_st1, &m_shadow.st1, sizeof(TMS32051_ST1));
@ -304,7 +292,7 @@ void tms32051_device::restore_interrupt_context()
void tms32051_device::execute_set_input(int irq, int state)
{
if ( state == ASSERT_LINE )
if (state == ASSERT_LINE)
{
if ((m_imr & (1 << irq)) != 0)
{
@ -318,7 +306,7 @@ void tms32051_device::execute_set_input(int irq, int state)
void tms32051_device::execute_run()
{
while(m_icount > 0)
while (m_icount > 0)
{
UINT16 ppc;
@ -370,7 +358,7 @@ void tms32051_device::execute_run()
// reset timer
m_timer.tim = m_timer.prd;
execute_set_input(INTERRUPT_TINT, ASSERT_LINE);
execute_set_input(TMS32051_TINT, ASSERT_LINE);
}
}
}
@ -409,6 +397,12 @@ READ16_MEMBER( tms32051_device::cpuregs_r )
case 0x15: return m_ar[5];
case 0x16: return m_ar[6];
case 0x17: return m_ar[7];
case 0x18: return m_indx;
case 0x19: return m_arcr;
case 0x1a: return m_cbsr1;
case 0x1b: return m_cber1;
case 0x1c: return m_cbsr2;
case 0x1d: return m_cber2;
case 0x1e: return m_cbcr;
case 0x1f: return m_bmar;
case 0x24: return m_timer.tim;
@ -423,9 +417,10 @@ READ16_MEMBER( tms32051_device::cpuregs_r )
}
case 0x28: return 0; // PDWSR
default:
if(!space.debugger_access())
fatalerror("32051: cpuregs_r: unimplemented memory-mapped register %02X at %04X\n", offset, m_pc-1);
if (!space.debugger_access())
fatalerror("32051: cpuregs_r: unimplemented memory-mapped register %02X at %04X\n", offset, m_pc-1);
}
return 0;
@ -439,8 +434,7 @@ WRITE16_MEMBER( tms32051_device::cpuregs_w )
case 0x04: m_imr = data; break;
case 0x06: // IFR
{
int i;
for (i=0; i < 16; i++)
for (int i = 0; i < 16; i++)
{
if (data & (1 << i))
{
@ -499,15 +493,15 @@ WRITE16_MEMBER( tms32051_device::cpuregs_w )
}
case 0x28: break; // PDWSR
default:
if(!space.debugger_access())
fatalerror("32051: cpuregs_w: unimplemented memory-mapped register %02X, data %04X at %04X\n", offset, data, m_pc-1);
if (!space.debugger_access())
fatalerror("32051: cpuregs_w: unimplemented memory-mapped register %02X, data %04X at %04X\n", offset, data, m_pc-1);
}
}
bool tms32051_device::memory_read(address_spacenum spacenum, offs_t offset, int size, UINT64 &value)
{
/* TODO: alignment if offset is odd */
if (spacenum == AS_PROGRAM)

13
src/emu/cpu/tms32051/tms32051.h
View File

@ -4,6 +4,19 @@
#define __TMS32051_H__
enum
{
TMS32051_INT1 = 0,
TMS32051_INT2,
TMS32051_INT3,
TMS32051_TINT,
TMS32051_RINT,
TMS32051_XINT,
TMS32051_TRNT,
TMS32051_TXNT,
TMS32051_INT4
};
struct TMS32051_PMST
{
UINT16 iptr;

3
src/mame/drivers/taitojc.c
View File

@ -893,7 +893,8 @@ WRITE16_MEMBER(taitojc_state::dsp_unk2_w)
}
static ADDRESS_MAP_START( tms_program_map, AS_PROGRAM, 16, taitojc_state )
AM_RANGE(0x4000, 0x7fff) AM_RAM
AM_RANGE(0x0000, 0x1fff) AM_RAM AM_MIRROR(0x4000)
AM_RANGE(0x6000, 0x7fff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( tms_data_map, AS_DATA, 16, taitojc_state )